Checklist of lichens of Finland
Version 31 December 2018
- Absconditella lignicola Vězda & Pišút - Vitikainen et al. (1997: 6)
- Absconditella sphagnorum Vězda & Poelt - Vitikainen et al. (1997: 6)
- Acarospora admissa (Nyl.) Kullh. - Nylander (1867: 370 as Lecanora admissa Type), Vitikainen et al. (1997: 6)
- Acarospora amphibola Wedd. - Vitikainen et al. (1997: 6)
- Acarospora anomala H. Magn. - Vitikainen et al. (1997: 6)
- Acarospora badiofusca (Nyl.) Th. Fr. - Nylander (xx: xx as Lecanora badiofusca Type), Vitikainen et al. (1997: 6)
- Acarospora cervina A. Massal. - Vitikainen et al. (1997: 6)
- Acarospora discreta (Ach.) Arnold - Vitikainen et al. (1997: 6)
- Acarospora fennica H. Magn. - Magnusson (xx: xx Type), Vitikainen et al. (1997: 6)
- Acarospora fuscata (Nyl.) Arnold - Vitikainen et al. (1997: 6)
- Acarospora glaucocarpa (Ach.) Körb. - Vitikainen et al. (1997: 6)
- Acarospora impressula Th. Fr. - Vitikainen et al. (1997: 6)
- Acarospora macrospora (Hepp) A. Massal. ex Bagl. - Vitikainen et al. (1997: 6)
- Acarospora moenium (Vain.) Räsänen - Vainio (xx: xx as Endocarpon moenium Type), Vitikainen et al. (1997: 10 as Aspicilia moenium)
- Acarospora nitrophila H. Magn. - Vitikainen et al. (1997: 6)
- Acarospora oligospora (Nyl.) Arnold - Vitikainen et al. (1997: 6)
- Acarospora pelioscypha (Wahlenb.) Th. Fr. - Vitikainen et al. (1997: 6)
- Acarospora rugulosa Körb. - Vitikainen et al. (1997: 6)
- Acarospora scyphulifera Vain. - Vitikainen et al. (1997: 6)
- Acarospora sinopica (Wahlenb.) Körb. - Vitikainen et al. (1997: 6)
- Acarospora veronensis A. Massal. - Vitikainen et al. (1997: 6)
- Acarospora versicolor Bagl. & Carestia - Vitikainen et al. (1997: 6)
- Acrocordia cavata (Ach.) R. C. Harris - Vitikainen et al. (1997: 6)
- Acrocordia conoidea (Fr.) Körb. - Pykälä (2007: 18)
- Acrocordia gemmata (Ach.) A. Massal. - Vitikainen et al. (1997: 6)
- Acrocordia subglobosa (Vezda) Poelt & Vězda - Pykälä (2008: 19)
- Adelolecia kolaensis (Nyl.) Hertel & Rambold - Magnusson (xx: xx as Catillaria tavastiana Type), Vitikainen et al. (1997: 7)
- Adelolecia pilati (Hepp) Hertel & Hafellner - Vitikainen et al. (1997: 7)
- Agonimia gelatinosa (Ach.) M. Brand & Diederich - Pykälä (2007: 18)
- Agonimia globulifera M. Brand & Diederich - Pykälä (2007: 19)
- Agonimia tristicula (Nyl.) Zahlbr. - Vitikainen et al. (1997: 7)
- Agonimia vouauxii (B. de Lesd.) M. Brand & Diederich - Pykälä (2007: 19)
- Agyrium rufum (Pers.) Fr. - Vitikainen et al. (1997: 7)
- Alectoria nigricans (Ach.) Nyl. - Vitikainen et al. (1997: 7)
- Alectoria ochroleuca (Hoffm.) A. Massal. - Vitikainen et al. (1997: 7)
- Alectoria sarmentosa (Ach.) Ach. - Räsänen (1946: 1 as Alectoria albida Protologue), Vitikainen et al. (1997: 7)
- Alectoria vexillifera (Nyl.) Stizenb. - Vitikainen et al. (1997: 7 as Alectoria sarmentosa subsp. vexillifera)
- Allantoparmelia alpicola (Th. Fr.) Essl. - Vitikainen et al. (1997: 7)
- Amandinea cacuminum (Th. Fr.) H. Mayrhofer & Sheard - Vitikainen et al. (1997: 56 as Rinodina cacuminum)
- Amandinea coniops (Wahlenb.) M. Choisy ex Scheid. & H. Mayrhofer - Vitikainen et al. (1997: 7)
- Amandinea lecideina (H. Mayrhofer & Poelt) Scheid. - Vitikainen et al. (1997: 7)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Vitikainen et al. (1997: 7)
- Amygdalaria elegantior (H. Magn.) Hertel & Brodo - Vitikainen et al. (1997: 7)
- Amygdalaria panaeola (Ach.) Hertel & Brodo - Vitikainen et al. (1997: 7)
- Anaptychia ciliaris (L.) Körb. ex A. Massal. subsp. ciliaris - Vitikainen et al. (1997: 7)
- Anaptychia ciliaris (L.) Körb. ex A. Massal. subsp. mamillata (Taylor) D. Hawksw. & P. James - Vitikainen et al. (1997: 7 as Anaptychia ciliaris var. melanosticta)
- Anaptychia runcinata (With.) J. R. Laundon - Vitikainen et al. (1997: 7)
- Anisomeridium carinthiacum (J. Steiner) R. C. Harris - Pykälä (2008: 19)
- Anisomeridium polypori (Ellis & Everh.) M. E. Barr - Vitikainen et al. (1997: 7 as Anisomeridium nyssigenum)
- Anzina carneonivea (Anzi) Scheid. - Vitikainen et al. (1997: 7)
- Aphanopsis coenosa (Nyl.) Coppins & P. James - Vitikainen et al. (1997: 7)
- Arctomia delicatula Th. Fr. var. acutior (Nyl.) Henssen - Vitikainen et al. (1997: 8)
- Arctomia interfixa (Nyl.) Vain. - Vitikainen et al. (1997: 8)
- Arctoparmelia centrifuga (L.) Hale - Vitikainen et al. (1997: 8)
- Arctoparmelia incurva (Pers.) Hale - Vitikainen et al. (1997: 8)
- Arthonia apatetica (A. Massal.) Th. Fr. - Vitikainen et al. (1997: 8)
- Arthonia boreella (Vain.) Zahlbr. - Vainio (xx: xx as Arthonia punctiformis subsp. boreella Type), Vitikainen et al. (1997: 8)
- Arthonia caesiolivens Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 8)
- Arthonia cinereopruinosa Schaer. - Vitikainen et al. (1997: 8)
- Arthonia clemens (Tul.) Th. Fr. - Vitikainen et al. (1997: 8)
- Arthonia didyma Körb. - Vitikainen et al. (1997: 8)
- Arthonia dispersa (Schrad.) Nyl. - Vitikainen et al. (1997: 8)
- Arthonia dispuncta Nyl. - Vitikainen et al. (1997: 8)
- Arthonia efflorescens Räsänen - Vitikainen et al. (1997: 8)
- Arthonia epiphyscia Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 8)
- Arthonia excipienda (Nyl.) Leight. - Nylander (xx: xx as Arthonia astroidea var. excipienda Type), Vitikainen et al. (1997: 8)
- Arthonia farinacea (H. Olivier) R. Sant. - Vitikainen et al. (1997: 8)
- Arthonia fusca (A. Massal.) Hepp - Vitikainen et al. (1997: 8 as Arthonia lapidicola)
- Arthonia fuscopurpurea (Tul.) R. Sant. - Vitikainen et al. (1997: 8)
- Arthonia gelida R. Sant. - Vitikainen et al. (1997: 8)
- Arthonia glaucomaria Nyl. - Vitikainen et al. (1997: 8)
- Arthonia helvola (Nyl.) Nyl. - Vitikainen et al. (1997: 8)
- Arthonia incarnata Th. Fr. ex Almq. - Almquist (xx: xx Type), Vitikainen et al. (1997: 8)
- Arthonia intexta Almq. - Vitikainen et al. (1997: 8)
- Arthonia leucopellaea (Ach.) Almq. - Vitikainen et al. (1997: 8)
- Arthonia mediella Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 8)
- Arthonia molendoi (Heufl. ex Frauenf.) R. Sant. - Vitikainen et al. (1997: 8)
- Arthonia neglectula Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 8)
- Arthonia patellulata Nyl. - Vitikainen et al. (1997: 8)
- Arthonia phaeobaea (Norman) Norman - Vitikainen et al. (1997: 8)
- Arthonia punctiformis Ach. - Vitikainen et al. (1997: 8)
- Arthonia radiata (Pers.) Ach. - Vitikainen et al. (1997: 8)
- Arthonia ruana A. Massal. - Vitikainen et al. (1997: 9 as Arthothelium ruanum)
- Arthonia spadicea Leight. - Vitikainen et al. (1997: 9)
- Arthonia subfuscicola (Linds.) Triebel - Vitikainen et al. (1997: 9)
- Arthonia tenellula Nyl. - Vitikainen et al. (1997: 9)
- Arthonia vinosa Leight. - Vitikainen et al. (1997: 9)
- Arthopyrenia analepta (Ach.) A. Massal. - Vitikainen et al. (1997: 9)
- Arthopyrenia cerasi (Schrad.) A. Massal. - Vitikainen et al. (1997: 9)
- Arthopyrenia cinereopruinosa (Schaer.) A. Massal. - Vitikainen et al. (1997: 9)
- Arthopyrenia didymelloides Zahlbr. - Vitikainen et al. (1997: 9)
- Arthopyrenia intersistens (Nyl.) Zahlbr. - Nylander (xx: xx as Verrucaria intersistens Type), Vitikainen et al. (1997: 9)
- Arthopyrenia salicis A. Massal. - Vitikainen et al. (1997: 9)
- Arthopyrenia subcerasi (Vain.) Zahlbr. - Vainio (xx: xx as Verrucaria subcerasi Type), Vitikainen et al. (1997: 9)
- Arthothelium scandinavicum Th. Fr. - Vitikainen et al. (1997: 9)
- Arthrorhaphis alpina (Schaer.) R. Sant. - Vitikainen et al. (1997: 9)
- Arthrorhaphis citrinella (Ach.) Poelt - Vitikainen et al. (1997: 9)
- Arthrorhaphis grisea Th. Fr. - Vitikainen et al. (1997: 9)
- Arthrosporum populorum A. Massal. - Vitikainen et al. (1997: 9)
- Aspicilia aquatica Körb. - Vitikainen et al. (1997: 9), Vitikainen et al. (1997: 10 as Aspicilia griseopallida)
- Aspicilia cinerea (L.) Körb. - Vitikainen et al. (1997: 9)
- Aspicilia conglomerans (Nyl.) Kernst. - Nylander (xx: xx as Lecanora conglomerans Type), Vitikainen et al. (1997: 10)
- Aspicilia cupreogrisea (Th. Fr.) Hue - Vitikainen et al. (1997: 10)
- Aspicilia curvabilis (Nyl.) Hue - Nylander (xx: xx as Lecanora curvabilis Type), Vitikainen et al. (1997: 10)
- Aspicilia disserpens (Zahlbr.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia epiglypta (Norrl. ex Nyl.) Hue - Nylander (xx: xx as Lecanora epiglypta Type), Vitikainen et al. (1997: 10)
- Aspicilia gibbosa (Ach.) Körb. - Räsäsnen (xx: xx as Aspicilia elfvingii Type), Vitikainen et al. (1997: 10 as Aspicilia elfvingii)
- Aspicilia gyrodes (Nyl.) Hue - Nylander (xx: xx as Lecanora gyrode Type), Vitikainen et al. (1997: 10)
- Aspicilia haeyrenii (H. Magn.) Creveld - Vitikainen et al. (1997: 10)
- Aspicilia inconspicua (H. Magn.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia indissimilis (H. Magn.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia laevata (Ach.) Arnold - Vitikainen et al. (1997: 10)
- Aspicilia laevatoides (H. Magn.) Oxner - Vitikainen et al. (1997: 10)
- Aspicilia lapponica Hue - Hue (xx: xx Type), Vitikainen et al. (1997: 10)
- Aspicilia leprosescens (Sandst.) Hav. - Vitikainen et al. (1997: 10)
- Aspicilia litorea (H. Magn.) Räsänen - Magnusson (xx: xx Type), Vitikainen et al. (1997: 10)
- Aspicilia littoralis (Vain.) Hue - Vainio (xx: xx as Partusaria littoralis Type), Vitikainen et al. (1997: 10)
- Aspicilia malmeana (H. Magn.) Ozenda & Clauzade - Vitikainen et al. (1997: 10)
- Aspicilia mastrucata (Wahlenb.) Th. Fr. - Vitikainen et al. (1997: 10)
- Aspicilia myrinii (Fr.) Stein - Vitikainen et al. (1997: 10)
- Aspicilia njuljae (H. Magn.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia obscurata (Fr.) Arnold - Vitikainen et al. (1997: 10)
- Aspicilia obvallata H. Magn. ined. - Vitikainen et al. (1997: 10)
- Aspicilia pergibbosa (H. Magn.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia plicigera (Zahlbr.) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia polychroma Anzi - Vitikainen et al. (1997: 10)
- Aspicilia protuberans Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia pruinosa (Vain.) Motyka - Vitikainen et al. (1997: 10)
- Aspicilia recedens (Taylor) Arnold - Vitikainen et al. (1997: 10)
- Aspicilia rimulosa H. Magn., ined. - Magnusson (xx: xx as Lecanora rimulosa Type), Vitikainen et al. (1997: 10)
- Aspicilia serpentinicola (Suza) Räsänen - Vitikainen et al. (1997: 10)
- Aspicilia simoensis Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 10)
- Aspicilia supertegens Arnold - Vitikainen et al. (1997: 11)
- Aspicilia tenebrica H. Magn., ined. - Vitikainen et al. (1997: 11)
- Aspicilia verrucigera Hue - Vitikainen et al. (1997: 11)
- Aspicilia xyloxena H. Magn., ined. - Vitikainen et al. (1997: 11)
- Bacidia arceutina (Ach.) Arnold - Vitikainen et al. (1997: 11)
- Bacidia arthonizella (Nyl.) Zahlbr. - Vitikainen et al. (1997: 11)
- Bacidia atrolivida (Vain.) Zahlbr. - Vainio (xx: xx as Lecidea atrolivida Type), Vitikainen et al. (1997: 11)
- Bacidia bagliettoana Körb. - Vitikainen et al. (1997: 11)
- Bacidia beckhausii Körb. - Vitikainen et al. (1997: 11)
- Bacidia calcariella (Nyl.) Blomb. & Forssell - Nylander (xx: xx as Lecidea calcariella Type), Vitikainen et al. (1997: 11)
- Bacidia circumspecta (Nyl. ex Vain.) Malme - Vainio (xx: xx as Lecidea bacillifera var. circumspecta Type), Vitikainen et al. (1997: 11)
- Bacidia dolera (Nyl.) Blomb. Forssell - Vitikainen et al. (1997: 11)
- Bacidia fraxinea Lönnr. - Vitikainen et al. (1997: 11)
- Bacidia friesiana (Hepp) Körb. - Vitikainen et al. (1997: 11)
- Bacidia globulosa (Flörke) Hafellner & V. Wirth - Vitikainen et al. (1997: 11)
- Bacidia hemipolia (Nyl.) Malme - Vitikainen et al. (1997: 11)
- Bacidia herbarum (Stiz.) Arnold - Vitikainen et al. (1997: 11)
- Bacidia igniarii (Nyl.) Oxner - Nylander (xx: xx as Lecidea igniarii Type), Vitikainen et al. (1997: 11)
- Bacidia illudens (Nyl.) Oxner - Vitikainen et al. (1997: 11)
- Bacidia incompta (Borrer ex Hook.) Anzi - Vitikainen et al. (1997: 11)
- Bacidia inornata (Nyl.) Blomb. & Forssell - Nylander (xx: xx as Lecidea inornata Type), Vitikainen et al. (1997: 11)
- Bacidia invertens Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 11)
- Bacidia laurocerasi (Delise ex Duby) Zahlbr. - Vitikainen et al. (1997: 11)
- Bacidia pallens (Kullh.) Zahlbr. - Kullhem (xx: xx as Bilimbia pallens Type), Vitikainen et al. (1997: 11)
- Bacidia polychroa (Th. Fr.) Körb. - Vitikainen et al. (1997: 11)
- Bacidia propinqua (Stiz.) Arnold - Vitikainen et al. (1997: 11)
- Bacidia pycnidiata Czarnota & Coppins - Pykälä (2008: 20)
- Bacidia rivulicola (Vain.) Zahlbr. - Vainio (xx: xx as Lecidea rivulicola Type), Vitikainen et al. (1997: 11)
- Bacidia rubella (Hoffm.) A. Massal. - Vitikainen et al. (1997: 11)
- Bacidia sabuletorum (Schreb.) Lettau - Vitikainen et al. (1997: 11)
- Bacidia scopulicola (Nyl.) A. L. Sm. - Vitikainen et al. (1997: 11)
- Bacidia sparsa Kullh. - Kullhem (xx: xx Type), Vitikainen et al. (1997: 12)
- Bacidia subincompta (Nyl.) Arnold - Vitikainen et al. (1997: 12)
- Bacidia tenella Kullh. - Kullhem (xx: xx Type), Vitikainen et al. (1997: 12)
- Bacidia trachona (Ach.) Lettau - Vitikainen et al. (1997: 12)
- Bacidia vegeta Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 12)
- Bacidia vermifera (Nyl.) Th. Fr. - Vitikainen et al. (1997: 12)
- Bacidina arnoldiana (Körb.) V. Wirth & Vězda - Pykälä (2007: 19)
- Bacidina delicata (Larbal. ex Leight.) V. Wirth & Vězda - Pykälä (2007: 19)
- Bacidina egenula (Nyl.) Vězda - Pykälä (2007: 19)
- Bacidina inundata (Fr. ) Vězda - Vitikainen et al. (1997: 12)
- Bacidina phacodes (Körb.) Vězda - Vitikainen et al. (1997: 12)
- Bactrospora brodoi Egea & Torrente - Vitikainen et al. (1997: 12)
- Baeomyces carneus Flörke - Vitikainen et al. (1997: 12)
- Baeomyces placophyllus Ach. - Vitikainen et al. (1997: 12)
- Baeomyces rufus (Huds.) Rebent. - Vitikainen et al. (1997: 12)
- Bagliettoa baldensis (A. Massal.) Vězda - Vainio (1921: xx as Verrucaria pycnosticta Protologue), Vitikainen et al. (1997: 66 as Verrucaria pycnosticta), Pykälä (2007: 19) Type
- Bellemerea alpina (Sommerf.) Clauzade & Roux - Vitikainen et al. (1997: 12)
- Bellemerea cinereorufescens (Ach.) Clauzade & Roux - Vitikainen et al. (1997: 12)
- Bellemerea diamarta (Ach.) Hafellner & Roux - Vitikainen et al. (1997: 12)
- Bellemerea subsorediza (Lynge) R. Sant. - Vitikainen et al. (1997: 12)
- Belonia incarnata Th. Fr. - Vitikainen et al. (1997: 12)
- Belonia russula Nyl. - Vitikainen et al. (1997: 12)
- Biatora chrysantha (Zahlbr.) Printzen - Vitikainen et al. (1997: 12)
- Biatora cuprea (Sommerf.) Fr. - Vitikainen et al. (1997: 12)
- Biatora efflorescens (Hedl.) Räsänen - Vitikainen et al. (1997: 12)
- Biatora fallax Hepp - Vitikainen et al. (1997: 12)
- Biatora helvola Körb. ex Hellb. - Vitikainen et al. (1997: 13)
- Biatora ocelliformis (Nyl.) Arnold - Nylander (xx: xx as Lecidea ocelliformis Type), Vitikainen et al. (1997: 13)
- Biatora sphaeroidiza (Vain.) Printzen & Holien - Vainio (xx: xx as Lecidea sphaeroidiza Type), Vitikainen et al. (1997: 13)
- Biatora subduplex (Nyl.) Printzen - Vitikainen et al. (1997: 13)
- Biatora vernalis (L.) Fr. - Vitikainen et al. (1997: 13)
- Biatorella conspurcans Norman - Vitikainen et al. (1997: 13)
- Biatorella extensa (Vain.) Räsänen - Vitikainen et al. (1997: 13)
- Biatorella fossarum xxx - Pykälä (2010: 54 First record 2009)
- Biatorella hemisphaerica xxx - Pykälä (2010: 54 First record 2009)
- Biatoridium monasteriense J. Lahm ex Körb. - Vitikainen et al. (1997: 13)
- Blastenia ammiospila (Wahlenb.) xxx - Vitikainen et al. (1997: 15 as Caloplaca ammiospila)
- Brodoa intestiniformis (Vill.) Goward - Vitikainen et al. (1997: 13)
- Brodoa oroarctica (Krog) Goward - Vitikainen et al. (1997: 13)
- Bryocaulon divergens (Ach.) Kärnefelt - Vitikainen et al. (1997: 13)
- Bryonora curvescens (Mudd) Poelt - Vitikainen et al. (1997: 13)
- Bryonora pruinosa (Th. Fr.) Holt.-Hartw. - Vitikainen et al. (1997: 13)
- Bryonora septentrionalis Holt.-Hartw. - Vitikainen et al. (1997: 13)
- Bryoria americana (Motyka) Holien - Myllys et al. (2006: 23)
- Bryoria bicolor (Ehrh.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 13)
- Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 13)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 13)
- Bryoria fremontii (Tuck.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 13)
- Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 13)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Gyelnik (xx: xx as Alectoria fuscescens Type), Vitikainen et al. (1997: 13)
- Bryoria glabra (Motyka) Brodo & D. Hakwsw. - Myllys et al. (2006: 24)
- Bryoria implexa (Hoffm.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Vainio (xx: xx as Alectoria nidulifera f. simplicior Type), Vitikainen et al. (1997: 14)
- Bryoria smithii (Du Rietz) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria subcana (Nyl. ex Stizenb.) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14)
- Bryoria tenuis (E. Dahl) Brodo & D. Hawksw. - Vitikainen et al. (1997: 14), Myllys et al. (2006: 26)
- Bryoria tortuosa (G. Merr.) Brodo & D. Hawksw. - Myllys et al. (2006: 25)
- Buellia aethalea (Ach.) Th. Fr. - Vitikainen et al. (1997: 14)
- Buellia alboatra (Hoffm.) Th. Fr. - Vitikainen et al. (1997: 14)
- Buellia ambigua (Ach.) Malme - Vitikainen et al. (1997: 14)
- Buellia badia (Fr.) A. Massal. - Vitikainen et al. (1997: 14)
- Buellia concinna Th. Fr. - Vitikainen et al. (1997: 14)
- Buellia disciformis (Fr.) Mudd - Vitikainen et al. (1997: 14)
- Buellia dispersa A. Massal. - Vitikainen et al. (1997: 14)
- Buellia epigaea (Pers.) Tuck. - Vitikainen et al. (1997: 14)
- Buellia erubescens Arnold - Vitikainen et al. (1997: 14)
- Buellia geophila (Sommerf.) Lynge - Vitikainen et al. (1997: 14)
- Buellia griseovirens (Turner & Borrer ex Sm.) Almb. - Vitikainen et al. (1997: 14)
- Buellia insignis (Nägeli ex Hepp) Th. Fr. - Vitikainen et al. (1997: 14)
- Buellia leptocline (Flot.) A. Massal. - Vitikainen et al. (1997: 14)
- Buellia mougeotii (Hepp) Lojka - Vitikainen et al. (1997: 14)
- Buellia pharcidia (Ach.) Malme - Vitikainen et al. (1997: 14)
- Buellia polyporina (Nyl.) Zahlbr. - Nylander (xx: xx as Lecidea polyporina Type), Vitikainen et al. (1997: 14)
- Buellia polysporella (Nyl.) Arnold - Nylander (xx: xx as Lecidea polysporella Type), Vitikainen et al. (1997: 14)
- Buellia populorum (A. Massal.) Clauzade & Roux - Vitikainen et al. (1997: 14)
- Buellia pyrenopsoides (Vain.) Zahlbr. - Vainio (xx: xx as Lecidea pyrenopsoides Type), Vitikainen et al. (1997: 14)
- Buellia schaereri De Not. - Vitikainen et al. (1997: 14)
- Buellia stigmatea Körb. - Vitikainen et al. (1997: 14)
- Buellia tesserata Körb. - Vitikainen et al. (1997: 14)
- Buellia triphragmioides Anzi - Vitikainen et al. (1997: 15)
- Buellia venusta (Körb.) Lettau - Vitikainen et al. (1997: 15)
- Caeruleum heppii (Nägeli in Hepp) K. Knudsen & B. Abbott - Vitikainen et al. (1997: 6 as Acarospora heppii)
- Calicium abietinum Pers. - Vitikainen et al. (1997: 15)
- Calicium adaequatum Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 15)
- Calicium adspersum Pers. - Vitikainen et al. (1997: 15)
- Calicium corynellum (Ach.) Ach. - Vitikainen et al. (1997: 15)
- Calicium denigratum (Vain.) Tibell - Vainio (xx: xx as Calicium curtum var. denigratum Type), Vitikainen et al. (1997: 15)
- Calicium glaucellum Ach. - Vitikainen et al. (1997: 15)
- Calicium lenticulare Ach. - Vitikainen et al. (1997: 15)
- Calicium parvum Tibell - Vitikainen et al. (1997: 15)
- Calicium pinastri Tibell - Tibell (1999: 436 Protologue) Type
- Calicium quercinum Pers. - Vitikainen et al. (1997: 15)
- Calicium salicinum Pers. - Vitikainen et al. (1997: 15)
- Calicium trabinellum (Ach.) Ach. - Vitikainen et al. (1997: 15)
- Calicium viride Pers. - Vitikainen et al. (1997: 15)
- Calogaya biatorina (A. Massal.) Arup, Frödén & Søchting - Vitikainen et al. (1997: 15 as Caloplaca biatorina)
- Caloplaca ahtii Søchting - Søchting (1994: 173 Type), Vitikainen et al. (1997: 15)
- Caloplaca aractina (Fr.) Häyrén - Vitikainen et al. (1997: 15)
- Caloplaca atrocyanescens (Th. Fr.) H. Olivier - Vitikainen et al. (1997: 15)
- Caloplaca atroflava (Turner) Mong. - Vitikainen et al. (1997: 15)
- Caloplaca borealis (Vain.) Poelt - Vitikainen et al. (1997: 15)
- Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr. - Vitikainen et al. (1997: 15)
- Caloplaca cerinella (Nyl.) Flagey - Vitikainen et al. (1997: 15)
- Caloplaca cerinelloides (Erichsen) Poelt - Vitikainen et al. (1997: 15)
- Caloplaca chlorina (Flot.) Sandst. - Vitikainen et al. (1997: 15)
- Caloplaca citrina (Hoffm.) Th. Fr. - Vitikainen et al. (1997: 15)
- Caloplaca coronata (Kremp. ex Körb.) J. Steiner - Vitikainen et al. (1997: 15)
- Caloplaca crenularia (With.) J. R. Laundon - Vitikainen et al. (1997: 15)
- Caloplaca decipiens (Arnold) Blomb. & Forssell - Vitikainen et al. (1997: 15)
- Caloplaca diphyes (Nyl.) H. Olivier - Vitikainen et al. (1997: 15)
- Caloplaca diphyodes (Nyl.) Jatta - Vitikainen et al. (1997: 15)
- Caloplaca ferruginea (Huds.) Th. Fr. - Vitikainen et al. (1997: 15)
- Caloplaca flavorubescens (Huds.) J. R. Laundon - Vitikainen et al. (1997: 16)
- Caloplaca flavovirescens (Wulfen) Dalla Torre & Sarnth. - Vitikainen et al. (1997: 16)
- Caloplaca holocarpa (Hoffm.) A. E. Wade - Vitikainen et al. (1997: 16)
- Caloplaca jungermanniae (Vahl) Th. Fr. - Vitikainen et al. (1997: 16)
- Caloplaca leucospilodes (Nyl.) H. Olivier - Nylander (xx: xx as Lecanora leucospilodes Type), Vitikainen et al. (1997: 16)
- Caloplaca lucifuga G. Thor - Vitikainen et al. (1997: 16)
- Caloplaca marina (Wedd.) Zahlbr. - Vitikainen et al. (1997: 16)
- Caloplaca microthallina (Wedd.) Zahlbr. - Vitikainen et al. (1997: 16)
- Caloplaca obliterans (Nyl.) Blomb. & Forssell - Vitikainen et al. (1997: 16)
- Caloplaca obscurella (J. Lahm & Körb.) Th. Fr. - Vitikainen et al. (1997: 16)
- Caloplaca oxfordiensis xxx - Pykälä (2008: 21)
- Caloplaca pleiophora (Nyl.) Th. Fr. - Nylander (xx: xx as Lecanora pleiophora Type), Vitikainen et al. (1997: 16)
- Caloplaca pyracea (Ach.) Th. Fr. - Vitikainen et al. (1997: 16)
- Caloplaca saxicola (Hoffm.) Nordin - Vitikainen et al. (1997: 16)
- Caloplaca scopularis (Nyl.) H. Magn. - Vitikainen et al. (1997: 16)
- Caloplaca sinapisperma (Lam. & DC.) Maheu & Gillet - Vitikainen et al. (1997: 16)
- Caloplaca suspiciosa (Nyl.) H. Magn. - Nylander (xx: xx as Lecanora suspiciosa Type), Vitikainen et al. (1997: 16)
- Caloplaca tetraspora (Nyl.) H. Olivier - Vitikainen et al. (1997: 16)
- Caloplaca thallincola (Wedd.) Du Rietz - Vitikainen et al. (1997: 16)
- Caloplaca tiroliensis Zahlbr. - Vitikainen et al. (1997: 16)
- Caloplaca tromsoeensis H. Magn. - Vitikainen et al. (1997: 16)
- Caloplaca turkuensis (Vain.) Zahlbr. - Vainio (xx: xx as Placodium turkuense Type), Vitikainen et al. (1997: 16)
- Caloplaca variabilis (Pers.) Müll. Arg. - Vitikainen et al. (1997: 16)
- Caloplaca verruculifera (Vain.) Zahlbr. - Vitikainen et al. (1997: 16)
- Caloplaca vitellinula auct. - Vitikainen et al. (1997: 16)
- Calvitimela armeniaca (DC.) Hertel & Rambold - Vitikainen et al. (1997: 61 as Tephromela armeniaca)
- Candelaria concolor (Dickson) Stein - Vitikainen et al. (1997: 16)
- Candelariella athallina (Wedd.) Du Rietz - Vitikainen et al. (1997: 16)
- Candelariella aurella (Hoffm.) Zahlbr. - Vitikainen et al. (1997: 16)
- Candelariella coralliza (Nyl.) H. Magn. - Vitikainen et al. (1997: 16)
- Candelariella kuusamoensis Räsänen - Vitikainen et al. (1997: 16)
- Candelariella lutella (Vain.) Räsänen - Vainio (xx: xx as Lecanora xanthostigma var. lutella Type), Vitikainen et al. (1997: 16)
- Candelariella placodizans (Nyl.) H. Magn. - Vitikainen et al. (1997: 16)
- Candelariella reflexa (Nyl.) Lettau - Vitikainen et al. (1997: 16)
- Candelariella superdistans (Nyl.) Malme - Vitikainen et al. (1997: 16)
- Candelariella vainioana Hakul. - Hakulinen (xx: xx Type), Vitikainen et al. (1997: 16)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Vitikainen et al. (1997: 17)
- Candelariella xanthostigma (Ach.) Lettau - Vitikainen et al. (1997: 17)
- Carbonea intrusa (Th. Fr.) Rambold & Triebel - Fries (xx: xx as Lecidea intrusa Type), Vitikainen et al. (1997: 17)
- Carbonea supersparsa (Nyl.) Hertel - Vitikainen et al. (1997: 17)
- Carbonea vorticosa (Flörke) Hertel - Vitikainen et al. (1997: 17)
- Catapyrenium cinereum (Pers.) Körb. - Vitikainen et al. (1997: 17)
- Catapyrenium daedaleum (Kremp.) Stein - Vitikainen et al. (1997: 17)
- Catapyrenium lachneum (Ach.) R. Sant. - Vitikainen et al. (1997: 17)
- Catapyrenium psoromoides (Borrer) R. Sant. - Vitikainen et al. (1997: 17)
- Catapyrenium rufescens (Ach.) O. Breuss - Vitikainen et al. (1997: 17)
- Catapyrenium squamulosum (Ach.) O. Breuss - Vitikainen et al. (1997: 17)
- Catillaria ameibospora (Hedl.) Zahlbr. - Vitikainen et al. (1997: 17)
- Catillaria atomarioides xxx - Pykälä (2008: 21)
- Catillaria chalybeia (Borrer) A. Massal. - Vitikainen et al. (1997: 17)
- Catillaria chloroticella (Nyl.) Zahlbr. - Nylander (xx: xx as Lecidea chloroticella Type), Vitikainen et al. (1997: 17)
- Catillaria contristans (Nyl.) Zahlbr. - Vitikainen et al. (1997: 17)
- Catillaria erysiboides (Nyl.) Th. Fr. - Nylander (xx: xx as Lecidea erysiboides Type), Vitikainen et al. (1997: 17)
- Catillaria heeri (Hepp) H. Olivier - Vitikainen et al. (1997: 17)
- Catillaria lenticularis (Ach.) Th. Fr. - Vitikainen et al. (1997: 17)
- Catillaria leucophaeotera (Nyl.) Vain. - Vitikainen et al. (1997: 17)
- Catillaria nigroclavata (Nyl.) Schuler - Vitikainen et al. (1997: 17)
- Catillaria tristis (Müll. Arg.) Arnold - Vitikainen et al. (1997: 17)
- Catinaria atropurpurea (Schaer.) Vězda & Poelt - Vitikainen et al. (1997: 17)
- Catinaria neuschildii (Körb.) P. James - Vitikainen et al. (1997: 17)
- Catolechia wahlenbergii (Ach.) Körb. - Vitikainen et al. (1997: 17)
- Cetraria aculeata (Schreb.) Fr. - Vitikainen et al. (1997: 18), Thell et al. (2002: 286 DNA: ITS)
- Cetraria ericetorum Opiz - Vitikainen et al. (1997: 18)
- Cetraria islandica (L.) Ach. subsp. crispiformis (Räsänen) Kärnefelt - Vitikainen et al. (1997: 18)
- Cetraria islandica (L.) Ach. subsp. islandica - Vitikainen et al. (1997: 18)
- Cetraria muricata (Ach.) Eckfeldt - Vitikainen et al. (1997: 18)
- Cetraria nigricans Nyl. - Vitikainen et al. (1997: 18)
- Cetraria odontella (Ach.) Ach. - Vitikainen et al. (1997: 18), Thell et al. (2002: 286 DNA: ITS)
- Cetraria sepincola (Ehrh.) Ach. - Vitikainen et al. (1997: 18)
- Cetrariella commixta (Nyl.) A. Thell & Kärnefelt - Vitikainen et al. (1997: 38 as Melanelia commixta)
- Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Vitikainen et al. (1997: 18)
- Cetrariella fastigiata (Delise ex Nyl.) Kärnefelt & A. Thell - Nylander (xx: xx as Cetraria delisei subsp. fastigiata Type), Vitikainen et al. (1997: 18)
- Cetrelia olivetorum (Nyl.) W. L. Culb. & C. F. Culb. - Vitikainen et al. (1997: 18)
- Chaenotheca brachypoda (Ach.) Tibell - Vitikainen et al. (1997: 18)
- Chaenotheca brunneola (Ach.) Müll. Arg. - Vitikainen et al. (1997: 18)
- Chaenotheca chlorella (Ach.) Müll. Arg. - Vitikainen et al. (1997: 18)
- Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr. - Vitikainen et al. (1997: 18)
- Chaenotheca cinerea (Pers.) Tibell - Vitikainen et al. (1997: 18)
- Chaenotheca ferruginea (Turner & Borre) Mig. - Vitikainen et al. (1997: 18)
- Chaenotheca furfuracea (L.) Tibell - Vitikainen et al. (1997: 19)
- Chaenotheca gracillima (Vain.) Tibell - Vainio (xx: xx as Coniocybe gracillima Type), Vitikainen et al. (1997: 19)
- Chaenotheca hispidula (Ach.) Zahlbr. - Vitikainen et al. (1997: 19)
- Chaenotheca laevigata Nádv. - Vitikainen et al. (1997: 19)
- Chaenotheca phaeocephala (Turner) Th. Fr. - Vitikainen et al. (1997: 19)
- Chaenotheca stemonea (Ach.) Müll. Arg. - Acharius (xx: xx as Chaenotheca trichialis subsp. stemonea Type), Vitikainen et al. (1997: 19)
- Chaenotheca subroscida (Eitner) Zahlbr. - Vitikainen et al. (1997: 19)
- Chaenotheca trichialis (Ach.) Th. Fr. - Vitikainen et al. (1997: 19)
- Chaenotheca xyloxena Nádv. - Vitikainen et al. (1997: 19)
- Chromatochlamys muscorum (Fr.) H. Mayrhofer & Poelt - Vitikainen et al. (1997: 19)
- Chrysothrix candelaris (L.) J. R. Laundon - Vitikainen et al. (1997: 20)
- Chrysothrix chlorina (Ach.) J. R. Laundon - Vitikainen et al. (1997: 20)
- Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, S. Savić & Tibell - Vitikainen et al. (1997: 9 as Aspicilia caesiocinerea)
- Circinaria calcarea (L.) A. Nordin, S. Savić & Tibell - Vitikainen et al. (1997: 9 as Aspicilia calcarea)
- Circinaria contorta (Hoffm.) A. Nordin, S. Savić & Tibell subsp. contorta - Vitikainen et al. (1997: 10 as Aspicilia contorta subsp. contorta)
- Circinaria gibbosa (Ach.) A. Nordin, S. Savić & Tibell - Vitikainen et al. (1997: 10 as Aspicilia gibbosa)
- Circinaria hoffmanniana (S. Ekman & Fröberg ex R. Sant.) A. Nordin - Vitikainen et al. (1997: 10 as Aspicilia contorta subsp. hoffmanniana)
- Cladonia acuminata (Ach.) Norrl. - Vitikainen et al. (1997: 20)
- Cladonia amaurocraea (Flörke) Schaer. - Vitikainen et al. (1997: 20)
- Cladonia arbuscula (Wallr.) Flot. subsp. squarrosa (Wallr.) Ruoss - Vitikainen et al. (1997: 20 as Cladina arbuscula subsp. squarrosa)
- Cladonia asahinae J. W. Thomson - Vitikainen et al. (1997: 20)
- Cladonia bacilliformis (Nyl.) Sarnth. - Vitikainen et al. (1997: 20 "(Nyl.) Glück")
- Cladonia bellidiflora (Ach.) Schaer. - Vitikainen et al. (1997: 20)
- Cladonia borealis S. Stenroos - Vitikainen et al. (1997: 20)
- Cladonia botrytes (K. G. Hagen) Willd. - Vitikainen et al. (1997: 20)
- Cladonia caespiticia (Pers.) Flörke - Vitikainen et al. (1997: 20)
- Cladonia cariosa (Ach.) Spreng. - Vitikainen et al. (1997: 20)
- Cladonia carneola (Fr.) Fr. - Vitikainen et al. (1997: 20)
- Cladonia cenotea (Ach.) Schaer. - Vitikainen et al. (1997: 20)
- Cladonia cervicornis (Ach.) Flot. subsp. verticilliata (Hoffm.) Ahti - Vitikainen et al. (1997: 20)
- Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Vitikainen et al. (1997: 20)
- Cladonia ciliata Stirt. - Vitikainen et al. (1997: 20 as Cladina ciliata f. tenuis)
- Cladonia coccifera (L.) Willd. - Vitikainen et al. (1997: 20)
- Cladonia coniocraea (Flörke) Spreng. - Vitikainen et al. (1997: 20)
- Cladonia cornuta (L.) Hoffm. subsp. cornuta - Vitikainen et al. (1997: 21)
- Cladonia cornuta (L.) Hoffm. subsp. groenlandica (E. Dahl) Ahti - Vitikainen et al. (1997: 21)
- Cladonia crispata (Ach.) Flot. var. cetrariiformis (Delise) Vain. - Vitikainen et al. (1997: 21)
- Cladonia crispata (Ach.) Flot. var. crispata - Vitikainen et al. (1997: 21)
- Cladonia cryptochlorophaea Asahina - Vitikainen et al. (1997: 21)
- Cladonia cyanipes (Sommerf.) Nyl. - Vitikainen et al. (1997: 21)
- Cladonia decorticata (Flörke) Spreng. - Vitikainen et al. (1997: 21)
- Cladonia deformis (L.) Hoffm. - Vitikainen et al. (1997: 21)
- Cladonia digitata (L.) Hoffm. - Vitikainen et al. (1997: 21)
- Cladonia diversa Asperges - Vitikainen et al. (1997: 21)
- Cladonia ecmocyna Leight. - Vitikainen et al. (1997: 21)
- Cladonia fimbriata (L.) Fr. - Vitikainen et al. (1997: 21)
- Cladonia floerkeana (Fr.) Sommerf. - Vitikainen et al. (1997: 21)
- Cladonia foliacea (Willd.) Schaer. - Vitikainen et al. (1997: 21)
- Cladonia furcata (Huds.) Schrad. - Vitikainen et al. (1997: 21)
- Cladonia glauca Flörke - Vitikainen et al. (1997: 21)
- Cladonia gracilis subsp. elongata (Wulfen) Vain. - Vitikainen et al. (1997: 21)
- Cladonia gracilis subsp. gracilis - Vitikainen et al. (1997: 21)
- Cladonia gracilis subsp. turbinata (Ach.) Ahti - Vitikainen et al. (1997: 21)
- Cladonia grayi G. Merr. ex Sandst. - Vitikainen et al. (1997: 21)
- Cladonia humilis (With.) J. R. Laundon - Vitikainen et al. (1997: 21)
- Cladonia imbricarica Kristinsson - Vitikainen et al. (1997: 21)
- Cladonia incrassata Flörke - Vitikainen et al. (1997: 21)
- Cladonia luteoalba Wheldon & A. Wilson - Vitikainen et al. (1997: 21)
- Cladonia macilenta Hoffm. - Vitikainen et al. (1997: 21)
- Cladonia macroceras (Delise) Hav. - Vitikainen et al. (1997: 21)
- Cladonia macrophyllodes Nyl. - Vitikainen et al. (1997: 21)
- Cladonia maxima (Asahina) Ahti - Vitikainen et al. (1997: 21)
- Cladonia merochlorophaea Asahina - Vitikainen et al. (1997: 21)
- Cladonia metacorallifera Asahina - Vitikainen et al. (1997: 21)
- Cladonia mitis (Sandst.) xxx - Vitikainen et al. (1997: 20 as Cladina mitis)
- Cladonia monomorpha Aptroot, Sipman & Herk - Aptroot et al. (2001: 277)
- Cladonia norvegica Tønsberg & Holien - Vitikainen et al. (1997: 21)
- Cladonia novochlorophaea (Sipman) Brodo & Ahti - Vitikainen et al. (1997: 21)
- Cladonia ochrochlora Flörke - Vitikainen et al. (1997: 21)
- Cladonia parasitica (Hoffm.) Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia phyllophora Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia pleurota (Flörke) Spreng. - Vitikainen et al. (1997: 22)
- Cladonia pocillum (Ach.) Grognot - Vitikainen et al. (1997: 22)
- Cladonia polycarpoides Nyl. - Vitikainen et al. (1997: 22)
- Cladonia polydactyla (Flörke) Spreng. - Vitikainen et al. (1997: 22)
- Cladonia portentosa (Dufour) Coem. - Vitikainen et al. (1997: 20 as Cladina portentosa)
- Cladonia pyxidata (L.) Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia ramulosa (With.) J. R. Laundon - Vitikainen et al. (1997: 22)
- Cladonia rangiferina (L.) Weber ex F. H. Wigg. - Vitikainen et al. (1997: 20 as Cladina rangiferina)
- Cladonia rangiformis Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia rei Schaer. - Vitikainen et al. (1997: 22)
- Cladonia scabriuscula (Delise) Nyl. - Vitikainen et al. (1997: 22)
- Cladonia squamosa (Scop.) Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia stellaris (Opiz) Pouzar & Vězda - Vitikainen et al. (1997: 20 as Cladina stellaris)
- Cladonia strepsilis (Ach.) Vain. - Vitikainen et al. (1997: 22)
- Cladonia stricta xxx var. stricta - Vitikainen et al. (1997: 22)
- Cladonia stricta xxx var. uliginosa Ahti - Vitikainen et al. (1997: 22)
- Cladonia stygia (Fr.) Ruoss - Vitikainen et al. (1997: 20 as Cladina stygia)
- Cladonia subcervicornis (Vain.) Kernst. - Vitikainen et al. (1997: 22)
- Cladonia subfurcata (Nyl.) Arnold - Vitikainen et al. (1997: 22)
- Cladonia subrangiformis Sandst. - Vitikainen et al. (1997: 22)
- Cladonia subulata (L.) Weber ex F. H. Wigg. - Vitikainen et al. (1997: 22)
- Cladonia sulphurina (Michx.) Fr. - Vitikainen et al. (1997: 22)
- Cladonia symphycarpia (Flörke) Fr. - Vitikainen et al. (1997: 22)
- Cladonia turgida Hoffm. - Vitikainen et al. (1997: 22)
- Cladonia uncialis (L.) Weber ex F. H. Wigg. var. biuncialis (Hoffm.) M. Choisy - Vitikainen et al. (1997: 22)
- Cladonia uncialis (L.) Weber ex F. H. Wigg. var. uncialis - Vitikainen et al. (1997: 22)
- Claurouxia chalybeioides (Nyl.) D. Hawksw. - Nylander (xx: xx as Lecidea chalybeioides Type), Vitikainen et al. (1997: 22)
- Clauzadea delincta (Nyl.) Pietschm. - Nylander (xx: xx as Lecidea delincta Type), Vitikainen et al. (1997: 22)
- Clauzadea metzleri xxx - Pykälä (2008: 21)
- Clauzadea monticola (Schaer.) Hafellner & Bellem. - Vitikainen et al. (1997: 22), Pykälä (2010: 56)
- Cliostomum corrugatum (Ach.: Fr.) Fr. - Vitikainen et al. (1997: 22)
- Cliostomum griffithii (Sm.) Coppins - Vitikainen et al. (1997: 23)
- Cliostomum leprosum (Räsänen) Holien & Tønsberg - Räsänen (xx: xx as Catillaria leprosa Type), Vitikainen et al. (1997: 23)
- Collema bachmanianum var. bachmanianum - Vitikainen et al. (1997: 23)
- Collema bachmanianum var. millegranum Degel. - Vitikainen et al. (1997: 23)
- Collema ceraniscum Nyl. - Vitikainen et al. (1997: 23)
- Collema cristatum var. cristatum - Vitikainen et al. (1997: 23)
- Collema curtisporum Degel. - Vitikainen et al. (1997: 23)
- Collema faccidum (Ach.) Ach. - Vitikainen et al. (1997: 23)
- Collema fragrans (Sm.) Ach. - Vitikainen et al. (1997: 23)
- Collema furfuraceum (Arnold) Du Rietz - Vitikainen et al. (1997: 23)
- Collema fuscovirens (With.) J. R. Laundon - Vitikainen et al. (1997: 23)
- Collema glebulentum (Nyl. ex Cromb.) Degel. - Vitikainen et al. (1997: 23)
- Collema limosum (Ach.) Ach. - Vitikainen et al. (1997: 23)
- Collema multipartitum Sm. - Vitikainen et al. (1997: 23), Pykälä (2010: 56)
- Collema nigrescens (Huds.) DC. - Vitikainen et al. (1997: 23)
- Collema occulatum var. occulatum - Vitikainen et al. (1997: 23)
- Collema occulatum var. populinum (Th. Fr.) Degel. - Vitikainen et al. (1997: 23)
- Collema parvum Degel. - Vitikainen et al. (1997: 23)
- Collema polycarpon Hoffm. - Vitikainen et al. (1997: 23)
- Collema subnigrescens Degel. - Vitikainen et al. (1997: 23)
- Collema tenax (Sw.) Ach. - Vitikainen et al. (1997: 23)
- Collema undulatum var. granulosum xxx - Pykälä (2010: 55 First record 2009)
- Conotrema populorum Gilenstam - Vitikainen et al. (1997: 23)
- Cresponea chloroconia (Tuck.) Egea & Torrente - Vitikainen et al. (1997: 23)
- Cresporhaphis wienkampii xxx - Pykälä (2008: 21)
- Cryptothele granuliformis (Nyl.) Henssen - Nylander (xxx: xx as Collema granuliforme Type), Henssen & Büdel (1984: 382), Vitikainen et al. (1997: 23) Type
- Cybebe gracilenta (Ach.) Tibell - Vitikainen et al. (1997: 23)
- Cyphelium inquinans (Sm.) Trevis. - Vitikainen et al. (1997: 24)
- Cyphelium karelicum (Vain.) Räsänen - Vitikainen et al. (1997: 24)
- Cyphelium notarisii (Tul.) Blomb. & Forssell - Vitikainen et al. (1997: 24)
- Cyphelium sessile (Pers.) Trevis. - Vitikainen et al. (1997: 24)
- Cyphelium tigillare (Ach.) Ach. - Vitikainen et al. (1997: 24)
- Cyrtopsis fumosa Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 24)
- Dacampia hookeri (Borrer) A. Massal. - Vitikainen et al. (1997: 24)
- Dactylina ramulosa (Hook.) Tuck. - Vitikainen et al. (1997: 24)
- Dermatocarpon arnoldianum Degel. - Vitikainen et al. (1997: 24)
- Dermatocarpon bachmannii Anders - Vitikainen et al. (1997: 24)
- Dermatocarpon caesium Räsänen - Vitikainen et al. (1997: 24)
- Dermatocarpon deminuens Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 24)
- Dermatocarpon intestiniforme (Körb.) Hasse - Vitikainen et al. (1997: 24)
- Dermatocarpon linkolae Räsänen - Vitikainen et al. (1997: 24)
- Dermatocarpon luridum (With.) J. R. Laundon - Vitikainen et al. (1997: 24)
- Dermatocarpon meiophyllizum Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 24)
- Dermatocarpon miniatum (L.) Mann - Vitikainen et al. (1997: 24)
- Dermatocarpon polyphllizum (Nyl.) Blomb. & Forssell - Vitikainen et al. (1997: 25)
- Dermatocarpon rivulorum (Arnold) Dalla Torre & Sarnth. - Vitikainen et al. (1997: 25)
- Dibaeis baeomyces (L. fil.) Rambold & Hertel - Vitikainen et al. (1997: 25)
- Didymocyrtis consimilis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 25)
- Dimelaena oreina (Ach.) Norman - Vitikainen et al. (1997: 25)
- Coenogonium luteum (Dicks.) Kalb & Lücking - Vitikainen et al. (1997: 25 as Dimerella lutea)
- Coenogonium pineti (Schrad.) Lücking & Lumbsch - Vitikainen et al. (1997: 25 as Dimerella pineti)
- Diploschistes gypsaceus (Ach.) Zahlbr. - Vitikainen et al. (1997: 25)
- Diploschistes muscorum (Scop.) R. Sant. - Vitikainen et al. (1997: 25)
- Diploschistes srcuposus (Schreb.) Norman - Vitikainen et al. (1997: 25)
- Diplotomma pharcidium (Ach.) M. Choisy - Nordin (2000: 83 as Buellia pharcidia)
- Endocarpon adscendens (Anzi) Müll. Arg. - Vitikainen et al. (1997: 25)
- Endocarpon adsurgens Vain. - Vitikainen et al. (1997: 25)
- Endocarpon psorodeum (Nyl.) Blomb. & Forssell - Vitikainen et al. (1997: 25)
- Endocarpon pulvinatum Th. Fr. - Vitikainen et al. (1997: 25)
- Endocarpon pusillum Hedw. - Vitikainen et al. (1997: 25)
- Enterographa zonata (Körb.) Källsten - Vitikainen et al. (1997: 25)
- Eopyrenula leucoplaca (Wallr.) R. C. Harris - Vitikainen et al. (1997: 25)
- Ephebe hispidula (Ach.) Horw. - Vitikainen et al. (1997: 25)
- Ephebe lanata (L.) Vain. - Vitikainen et al. (1997: 25)
- Ephebe perspinulosa Nyl. - Vitikainen et al. (1997: 26)
- Euopsis granatina (Sommerf.) Nyl. - Vitikainen et al. (1997: 26)
- Euopsis pulvinata (Schaer.) Vain. - Vitikainen et al. (1997: 26)
- Evernia divaricata (L.) Ach. - Vitikainen et al. (1997: 26)
- Evernia mesomorpha Nyl. - Nylander (1861: 74 Type), Vitikainen et al. (1997: 26)
- Evernia prunastri (L.) Ach. - Vitikainen et al. (1997: 26)
- Farnoldia jurana (Schaer.) Hertel - Vitikainen et al. (1997: 26)
- Fellhanera bouteillei (Desm.) Vězda - Vitikainen et al. (1997: 26)
- Fellhanera subtilis (Vezda) Diederich & Sérusiaux - Vitikainen et al. (1997: 26)
- Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Vitikainen et al. (1997: 26)
- Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Vitikainen et al. (1997: 26)
- Flavoparmelia caperata (L.) Hale - Vitikainen et al. (1997: 26)
- Frutidella caesioatra (Schaer.) Kalb. - Vitikainen et al. (1997: 26)
- Fulgensia bracteata (Hoffm.) Räsänen - Vitikainen et al. (1997: 26)
- Fuscidea arboricola Coppins & Tønsberg - Vitikainen et al. (1997: 26)
- Fuscidea cyathoides (Ach.) V. Wirth & Vězda - Vitikainen et al. (1997: 27)
- Fuscidea gothoburgensis (H. Magn.) V. Wirth & Vězda - Vitikainen et al. (1997: 27)
- Fuscidea kochiana (Hepp) V. Wirth & Vězda - Vitikainen et al. (1997: 27)
- Fuscidea mollis var. caesioalbescens (H. Magn.) Clauzade & Roux - Vitikainen et al. (1997: 27)
- Fuscidea mollis var. mollis - Vitikainen et al. (1997: 27)
- Fuscidea praeruptorum (Du Rietz & H. Magn.) V. Wirth & Vězda - Vitikainen et al. (1997: 27)
- Fuscidea pusilla Tønsberg - Vitikainen et al. (1997: 27)
- Fuscidea tenebrica (Nyl.) V. Wirth & Vězda - Vitikainen et al. (1997: 27)
- Fuscopannaria confusa (P. M. Jørg.) P. M. Jørg. - Jørgensen (xx: xx as Pannaria confusa Type), Vitikainen et al. (1997: 27)
- Fuscopannaria leucophaea (Vahl) P. M. Jørg. - Vitikainen et al. (1997: 27)
- Fuscopannaria mediterranea (C. Tavares) P. M. Jørg. - Vitikainen et al. (1997: 27)
- Graphis scripta (L.) Ach. - Vitikainen et al. (1997: 27)
- Guignardia fimbriata (Vain.) Keissl. - Vainio (xx: xx as Paralaestadia fimbriatae Type), Vitikainen et al. (1997: 27)
- Guignardia olivieri (Vouaux) Sacc. - Vitikainen et al. (1997: 27)
- Gyalecta erythrozona Lettau - Vitikainen et al. (1997: 27)
- Gyalecta foveolaris (Ach.) Schaer. - Vitikainen et al. (1997: 27)
- Gyalecta friesii Flot. ex Körb. - Vitikainen et al. (1997: 27)
- Gyalecta geoica (Wahlenb. ex Ach.) Ach. - Vitikainen et al. (1997: 27)
- Gyalecta jenensis (Batsch) Zahlbr. - Vitikainen et al. (1997: 27)
- Gyalecta kukriensis (Räsänen) Räsänen - Vitikainen et al. (1997: 27)
- Gyalecta peziza (Mont.) Anzi - Vitikainen et al. (1997: 27)
- Gyalecta rhodinula (Nyl.) H. Olivier - Nylander (xx: xx as Lecidea rhodinula Type), Vitikainen et al. (1997: 27)
- Gyalecta subclausa Anzi - Vitikainen et al. (1997: 27)
- Gyalecta truncigena (Ach.) Hepp - Vitikainen et al. (1997: 27)
- Gyalecta ulmi (Sw.) Zahlbr. - Vitikainen et al. (1997: 27)
- Gyalidea diaphana (Körb. ex Nyl.) Vězda - Vitikainen et al. (1997: 27)
- Gyalidea fruticola M. Svensson & G. Thor - Pykälä (2008: 21)
- Gyalidea roseola xxx - Pykälä (2010: 55 First record 2009)
- Haematomma ochroleucum var. ochroleucum - Vitikainen et al. (1997: 28)
- Haematomma ochroleucum var. porphyrium (Pers.) J. R. Laundon - Vitikainen et al. (1997: 28)
- Hafellnera parasemella (Nyl.) Houmeau & Roux - Nylander (xx: xx as Lecidea parasemella Type), Vitikainen et al. (1997: 28)
- Halecania alpivaga (Th. Fr.) M. Mayrhofer - Vitikainen et al. (1997: 28)
- Helocarpon crassipes Th. Fr. - Vitikainen et al. (1997: 28)
- Henrica theleodes (Sommerf.) S. Savic, Tibell & Nav.-Ros. - Pykälä (2010: 55 First record 2009)
- Heppia lutosa (Ach.) Nyl. - Pykälä (2010: 55 First record 2009)
- Heterodermia speciosa (Wulfen) Trevis - Vitikainen et al. (1997: 28)
- Homostegia piggotii (Berk. & Broome) P. Karst. - Vitikainen et al. (1997: 28)
- Hymenelia arctica xxx - Pykälä (2008: 21)
- Hymenelia lacustris (With.) M. Choisy - Vitikainen et al. (1997: 28)
- Hymenelia obtecta (Vain.) Poelt & Vězda - Vainio (xx: xx as Lecanora obtecta Type), Vitikainen et al. (1997: 28)
- Hymenelia ochrolemma (Vain.) Gowan & Ahti - Vainio (xx: xx as Pertusaria ochrolemma Type), Vitikainen et al. (1997: 28)
- Hymenelia phaeops (Nyl.) Motyka - Vitikainen et al. (1997: 28)
- Hypocenomyce anthracophila (Nyl.) P. James & Gotth. Schneid. - Nylander (xx: xx as Lecidea anthracophila Type), Vitikainen et al. (1997: 28)
- Hypocenomyce castanocinerea (Räsänen) Timdal - Räsänen (xx: xx as Psora cladonioides var. castaneocinerea Type), Vitikainen et al. (1997: 28)
- Hypocenomyce friesii (Ach.) P. James & Gotth. Schneid. - Vitikainen et al. (1997: 28)
- Hypocenomyce scalaris (Ach.) Choisy - Vitikainen et al. (1997: 28)
- Hypogymnia austerodes (Nyl.) Räsänen - Vitikainen et al. (1997: 28)
- Hypogymnia bitteri (Lynge) Ahti - Vitikainen et al. (1997: 28)
- Hypogymnia farinacea Zopf - Vitikainen et al. (1997: 29)
- Hypogymnia physodes (L.) Nyl. - Vitikainen et al. (1997: 29)
- Hypogymnia tubulosa (Schaer.) Hav. - Vitikainen et al. (1997: 29)
- Hypogymnia vittata (Ach.) Parrique - Vitikainen et al. (1997: 29)
- Icmadophila ericetorum (L.) Zahlbr. - Vitikainen et al. (1997: 29)
- Immersaria athroocarpa (Ach.) Rambold & Pietsch - Vitikainen et al. (1997: 29)
- Imshaugia aleurites (Ach.) S. L. F. Mey. - Vitikainen et al. (1997: 29)
- Involucropyrenium muriense (Nav.-Ros. & Breuss) Breuss - Pykälä (2010: 56 First record 2009)
- Ionapsis chrysophana (Körb.) Stein - Vitikainen et al. (1997: 29)
- Ionapsis epulotica (Ach.) Arnold - Vitikainen et al. (1997: 29)
- Ionapsis heteromorpha (Kremp.) Arnold - Vitikainen et al. (1997: 29)
- Ionapsis odora (Ach.) Stein - Vitikainen et al. (1997: 29)
- Japewia subaurifera Muhr & & Tønsberg - Vitikainen et al. (1997: 29)
- Japewia tornoensis (Nyl.) Tønsberg - Nylander (xx: xx as Lecidea tornoensis Type), Vitikainen et al. (1997: 29)
- Julella fallaciosa (Arnold) R. C. Harris - Vitikainen et al. (1997: 29)
- Karschia talcophila (Ach.) Körb. - Vitikainen et al. (1997: 29)
- Koerberiella wimmeriana (Körb.) Stein - Vitikainen et al. (1997: 29)
- Lasallia pustulata (L.) Mérat - Vitikainen et al. (1997: 29)
- Lecanactis abietina (Ach.) Körb. - Vitikainen et al. (1997: 29)
- Lecanactis dilleniana (Ach.) Körb. - Vitikainen et al. (1997: 30)
- Lecania aipospila (Wahlenb.) Th. Fr. - Vitikainen et al. (1997: 30)
- Lecania cyrtella (Ach.) Th. Fr. - Vitikainen et al. (1997: 30)
- Lecania dubitans (Nyl.) A. L. Sm. - Vitikainen et al. (1997: 30)
- Lecania erysibe (Ach.) Mudd - Vitikainen et al. (1997: 30)
- Lecania fuscella (Schaer.) A. Massal. - Vitikainen et al. (1997: 30)
- Lecania koerberiana J. Lahm - Vitikainen et al. (1997: 30)
- Lecania naegelii (Hepp) Diederich & Boom - Vitikainen et al. (1997: 30)
- Lecania nylanderiana A. Massal. - Vitikainen et al. (1997: 30)
- Lecania prasinoides Elenkin - Pykälä (2008: 22)
- Lecania rabenhorstii xxx - Pykälä (2008: 22)
- Lecania suavis (Müll. Arg.) Mig. - Vitikainen et al. (1997: 30)
- Lecania subfuscula (Nyl.) S. Ekman - Vitikainen et al. (1997: 30)
- Lecanora achariana A. L. Sm. - Vitikainen et al. (1997: 30)
- Lecanora actophila Wedd. - Vitikainen et al. (1997: 30)
- Lecanora albella (Pers.) Ach. - Vitikainen et al. (1997: 30)
- Lecanora albescens (Hoffm.) Branth & Rostr. - Vitikainen et al. (1997: 30)
- Lecanora allophana Nyl. - Vitikainen et al. (1997: 30)
- Lecanora anopta Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 30)
- Lecanora apochroeoides Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 30)
- Lecanora argentata (Ach.) Malme - Vitikainen et al. (1997: 30)
- Lecanora argopholis (Ach.) Ach. - Vitikainen et al. (1997: 30)
- Lecanora atriuscula Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 30)
- Lecanora atrosulphurea (Wahlenb.) Ach. - Vitikainen et al. (1997: 30)
- Lecanora attingens (Nyl.) Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 30)
- Lecanora boligera (Norman ex Th. Fr.) Hedl. - Vitikainen et al. (1997: 30), Fryday (2009: 59)
- Lecanora bormiensis Nyl. - Vitikainen et al. (1997: 30)
- Lecanora cacadubriae (A. Massal.) Hedl. - Vitikainen et al. (1997: 30)
- Lecanora caesiosora Poelt - Vitikainen et al. (1997: 30)
- Lecanora campestris (Schaer.) Hue - Vitikainen et al. (1997: 30)
- Lecanora carpinea (L.) Vain. - Vitikainen et al. (1997: 30)
- Lecanora cateilea (Ach.) A. Massal. - Vitikainen et al. (1997: 30)
- Lecanora cenisia Ach. - Vitikainen et al. (1997: 31)
- Lecanora chlarotera Nyl. - Vitikainen et al. (1997: 31)
- Lecanora chloroleprosa (Vain.) H. Magn. - Vainio (xx: xx as Lecanora chlorophaeodes subsp. chloroleprosa Type), Vitikainen et al. (1997: 31)
- Lecanora chlorophaeodes Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora circumborealis Brodo & Vitik. - Brodo & Vitikainen (1984: 288 Type), Vitikainen et al. (1997: 31)
- Lecanora conizaeoides Nyl. ex Cromb. - Vitikainen et al. (1997: 31)
- Lecanora crenulata Hook. - Vitikainen et al. (1997: 31)
- Lecanora detrusa (Th. Fr.) Vain. - Vitikainen et al. (1997: 31)
- Lecanora dispersa (Pers.) Sommerf. - Vitikainen et al. (1997: 31)
- Lecanora epanora (Ach.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora epibryon (Ach.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora erysibantha Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora expallens Ach. - Vitikainen et al. (1997: 31)
- Lecanora frustulosa (Dicks.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora fuscescens (Sommerf.) Nyl. - Vitikainen et al. (1997: 31)
- Lecanora hagenii (Ach.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora helicopis (Wahlenb.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora hypopta (Ach.) Vain. - Vitikainen et al. (1997: 31)
- Lecanora hypoptella (Nyl.) Grummann - Vitikainen et al. (1997: 31)
- Lecanora hypoptoides (Nyl.) Nyl. - Nylander (xx: xx as Lecidea hypoptoides Type), Vitikainen et al. (1997: 31)
- Lecanora intricata (Ach.) Ach. - Vitikainen et al. (1997: 31)
- Lecanora intumescens (Rebent.) Rabenh. - Vitikainen et al. (1997: 31)
- Lecanora kariana Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora laatokkaensis (Räsänen) Poelt - Vitikainen et al. (1997: 31)
- Lecanora leptacina Sommerf. - Vitikainen et al. (1997: 31)
- Lecanora leptacinella Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora leptyrodes (Nyl.) Degel. - Vitikainen et al. (1997: 31)
- Lecanora lygopis Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora macrocyclos (H. Magn.) Degel. - Vitikainen et al. (1997: 31)
- Lecanora marginata (Schaer.) Hertel & Rambold - Vitikainen et al. (1997: 31)
- Lecanora muralis (Schreb.) Rabenh. - Vitikainen et al. (1997: 31)
- Lecanora nivescens Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 31)
- Lecanora orae-frigidae R. Sant. - Vitikainen et al. (1997: 31)
- Lecanora orosthea (Ach.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora paroptoides Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 32)
- Lecanora phaeostigma (Körb.) Almq. - Vitikainen et al. (1997: 32)
- Lecanora piniperda Körb. - Vitikainen et al. (1997: 32)
- Lecanora polytropa (Hoffm.) Rabenh. - Vitikainen et al. (1997: 32)
- Lecanora populicola (DC.) Duby - Vitikainen et al. (1997: 32)
- Lecanora pseudohypopta Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 32)
- Lecanora pulicaris (Pers.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora reagens Norman - Vitikainen et al. (1997: 32)
- Lecanora rugosella Zahlbr. - Vitikainen et al. (1997: 32)
- Lecanora rupicola (L.) Zahlbr. - Vitikainen et al. (1997: 32)
- Lecanora saligna (Schrad.) Zahlbr. - Vitikainen et al. (1997: 32)
- Lecanora salina H. Magn. - Vitikainen et al. (1997: 32)
- Lecanora sambuci (Pers.) Nyl. - Vitikainen et al. (1997: 32)
- Lecanora sarcopidoides (A. Massal.) A. L. Sm. - Vitikainen et al. (1997: 32)
- Lecanora septentrionalis H. Magn. - Vitikainen et al. (1997: 32)
- Lecanora sorediata (Räsänen ex Vain.) Räsänen - Räsänen (xx: xx as Lecanora coilocarpa var. sorediata Type), Vitikainen et al. (1997: 32)
- Lecanora stenotropa Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 32)
- Lecanora subcarnea (Lilj.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora subintricata (Nyl.) Th. Fr. - Vitikainen et al. (1997: 32)
- Lecanora sulphurea (Hoffm.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora swartzii (Ach.) Ach. subsp. nylanderi (Räsänen) Leuckert & Poelt - Vitikainen et al. (1997: 32)
- Lecanora swartzii (Ach.) Ach. subsp. swartzii - Vitikainen et al. (1997: 32)
- Lecanora symmicta (Ach.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora tanaensis Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 32)
- Lecanora umbricolor H. Magn. - Vitikainen et al. (1997: 32)
- Lecanora umbrina (Ach.) A. Massal. - Vitikainen et al. (1997: 32)
- Lecanora umbrosa Degel. - Vitikainen et al. (1997: 32)
- Lecanora varia (Hoffm.) Ach. - Vitikainen et al. (1997: 32)
- Lecanora vicaria (Th. Fr.) Vain. - Vitikainen et al. (1997: 32)
- Lecanora viridicans Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 32)
- Lecidea albofuscescens Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea albohyalina (Nyl.) Th. Fr. - Vitikainen et al. (1997: 33)
- Lecidea alpestris Sommerf. - Vitikainen et al. (1997: 33)
- Lecidea amphoteroides Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea apochroeella Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. - Vitikainen et al. (1997: 33)
- Lecidea auriculata Th. Fr. - Vitikainen et al. (1997: 33)
- Lecidea aviaria Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea betulicola (Kullh.) H. Magn. - Vitikainen et al. (1997: 33)
- Lecidea botryosa (Fr.) Th. Fr. - Vitikainen et al. (1997: 33)
- Lecidea cavernarum (Räsänen) H. Magn. - Vitikainen et al. (1997: 33)
- Lecidea commaculans Nyl. - Vitikainen et al. (1997: 33)
- Lecidea conferenda Nyl. - Vitikainen et al. (1997: 33)
- Lecidea confluens (Weber) Ach. - Vitikainen et al. (1997: 33)
- Lecidea confluentula Müll. Arg. - Vitikainen et al. (1997: 33)
- Lecidea consimilis Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea cuculi Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea cupuliformis (Räsänen) H. Magn. - Vitikainen et al. (1997: 33)
- Lecidea demolita Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea diapensiae Th. Fr. - Vitikainen et al. (1997: 33)
- Lecidea diducens Nyl. - Vitikainen et al. (1997: 33)
- Lecidea distensa Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea dolosula (Nyl.) Vain. - Vitikainen et al. (1997: 33)
- Lecidea enclitica Nyl. - Vitikainen et al. (1997: 33)
- Lecidea enterophaea Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea erythrophaea Sommerf. - Vitikainen et al. (1997: 33)
- Lecidea extenuata Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea fuliginosa Taylor - Vitikainen et al. (1997: 33)
- Lecidea fuscoatra (L.) Ach. - Vitikainen et al. (1997: 33)
- Lecidea globulispora Nyl. - Vainio (1883: 100 as Lecidea antiloga subsp. infralapponica Protologue), Olivier (1915: 168 as Lecidea infralapponica), Vitikainen et al. (1997: 33 as Lecidea antiloga), Fryday (2009: 58)
- Lecidea haemensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea heliophila Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea helsinkiensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea hypochlorella Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea insequens Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea insidiosa Th. Fr. - Vitikainen et al. (1997: 33)
- Lecidea ivalensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea keimioeensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 33)
- Lecidea koskinenii (Räsänen) H. Magn. - Vitikainen et al. (1997: 33)
- Lecidea lapicida var. lapicida (Ach.) Ach. - Vitikainen et al. (1997: 33)
- Lecidea lapicida var. pantherina Ach. - Vitikainen et al. (1997: 33)
- Lecidea lapillicola Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea laxula Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea leprarioides Tønsberg - Vitikainen et al. (1997: 34)
- Lecidea limosa Ach. - Vitikainen et al. (1997: 34)
- Lecidea lithophila (Ach.) Ach. - Vitikainen et al. (1997: 34)
- Lecidea luteoatra Nyl. - Vitikainen et al. (1997: 34)
- Lecidea margaritella Hulting - Vitikainen et al. (1997: 34)
- Lecidea meiocarpa Nyl. - Vitikainen et al. (1997: 34)
- Lecidea melaphanoides Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea microphaea Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea microsphaeroides Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea montanella Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea nugaria Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea nylanderi (Anzi) Th. Fr. - Vitikainen et al. (1997: 34)
- Lecidea olivascens Th. Fr. - Fries (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea paraclitica Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea paupercula Th. Fr. - Vitikainen et al. (1997: 34)
- Lecidea perlata H. Magn. - Vitikainen et al. (1997: 34)
- Lecidea phaeopelidna Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea phaeostigmella Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea phaeotera Nyl. - Vitikainen et al. (1997: 34)
- Lecidea plana (J. Lahm) Nyl. - Vitikainen et al. (1997: 34)
- Lecidea plebeja Nyl. - Vitikainen et al. (1997: 34)
- Lecidea polycocca Sommerf. - Vitikainen et al. (1997: 34)
- Lecidea porphyrospoda (Anzi) Th. Fr. - Vitikainen et al. (1997: 34)
- Lecidea praenubila Nyl. - Vitikainen et al. (1997: 34)
- Lecidea prasinolepis -
- Lecidea pullata (Norman) Th. Fr. - Vitikainen et al. (1997: 34)
- Lecidea pycnocarpa (Körb.) Ohlert - Vitikainen et al. (1997: 34)
- Lecidea ramulosa Th. Fr. - Vitikainen et al. (1997: 34)
- Lecidea rhagadiella (Nyl.) Th. Fr. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea rhizocarpoides Malme - Vitikainen et al. (1997: 34)
- Lecidea rufofusca (Anzi) Nyl. - Vitikainen et al. (1997: 34)
- Lecidea satakuntensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea silacea Ach. - Vitikainen et al. (1997: 34)
- Lecidea sphaerella Hedl. - Vitikainen et al. (1997: 34)
- Lecidea subfuscescens Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea subhumida Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea subinsequens Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea submilvina Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea sudetica Körb. - Vitikainen et al. (1997: 34)
- Lecidea swartzioidea Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea sylvestris Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 34)
- Lecidea symmictella Nyl. - Vitikainen et al. (1997: 34)
- Lecidea tenebricans Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 35)
- Lecidea tesselata var. tesselata - Vitikainen et al. (1997: 35)
- Lecidea tianensis Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 35)
- Lecidea turficola (Hellb.) Th. Fr. - Vitikainen et al. (1997: 35)
- Lecidea umbonata (Hepp) Mudd - Vitikainen et al. (1997: 35)
- Lecidea verruca Poelt - Vitikainen et al. (1997: 35)
- Lecidella anomaloides (A. Massal.) Hertel & Kilias - Vitikainen et al. (1997: 35)
- Lecidella asema (Nyl.) Knoph & Hertel - Vitikainen et al. (1997: 35)
- Lecidella atrosanguinea (Flörke) R. Sant., ined. - Vitikainen et al. (1997: 35)
- Lecidella bullata Körb. - Vitikainen et al. (1997: 35)
- Lecidella carpathica Körb. - Vitikainen et al. (1997: 35)
- Lecidella effugiens (Nilson) Knoph & Hertel - Vitikainen et al. (1997: 35)
- Lecidella elaeochroma (Ach.) M. Choisy - Vitikainen et al. (1997: 35)
- Lecidella euphorea (Flörke) Hertel - Vitikainen et al. (1997: 35)
- Lecidella laureri (Hepp) Körb. - Vitikainen et al. (1997: 35)
- Lecidella scabra (Taylor) Hertel & Leuckert - Vitikainen et al. (1997: 35)
- Lecidella stigmatea (Ach.) Hertel & Leuckert - Vitikainen et al. (1997: 35)
- Lecidella subcongrua Vain., ined - Vitikainen et al. (1997: 35)
- Lecidella wufenii (Hepp) Körb. - Vitikainen et al. (1997: 35)
- Lecidoma demissum (Rutstr.) Gotth. Schneid. & Hertel - Vitikainen et al. (1997: 35)
- Leciophysma finmarkicum Th. Fr. - Vitikainen et al. (1997: 35)
- Leciophysma furfurascens (Nyl.) Gyeln. - Pykälä (2010: 56 First record 2009)
- Lemmopsis arnoldiana (Hepp) Zahlbr. - Vitikainen et al. (1997: 35)
- Lempholemma chalazanum (Ach.) B. de Lesd. - Vitikainen et al. (1997: 35)
- Lempholemma cladodes (Tuck.) Zahlbr. - Vitikainen et al. (1997: 35)
- Lempholemma degelianum P.M. Jørg. - Pykälä (2010: 56 First record 2009)
- Lempholemma dispansum H. Magn. - Pykälä (2010: 56 First record 2009)
- Lempholemma intricatum (Arnold) Zahlbr. - Vitikainen et al. (1997: 35)
- Lempholemma isidiodes (Nyl. ex Arnold) H. Magn. - Pykälä (2010: 57 First record 2009)
- Lempholemma polyanthes (Bernh.) Malme - Vitikainen et al. (1997: 36)
- Lempholemma radiatum (Sommerf.) Henssen - Vitikainen et al. (1997: 36)
- Lepraria borealis Lohtander & Tønsberg - Vitikainen et al. (1997: 36)
- Lepraria cacuminum (A. Massal.) Lohtander - Vitikainen et al. (1997: 36)
- Lepraria caesioalba (de Lesd.) J. R. Laundon - Vitikainen et al. (1997: 36)
- Lepraria diffusa (J. R. Laundon) Kukwa var. diffusa - Laundon (xx: xx as Leproloma diffusum var. diffusum Type), Vitikainen et al. (1997: 36 as Leproloma diffusum var. diffusum)
- Lepraria diffusa (J. R. Laundon) Kukwa var. chrysodetoides (J. R. Laundon) xxx - Vitikainen et al. (1997: 36 as Leproloma diffusum var. chrysodetoides)
- Lepraria eburnea J. R. Laundon - Vitikainen et al. (1997: 36)
- Lepraria elobata Tønsberg - Vitikainen et al. (1997: 36)
- Lepraria frigida J. R. Laundon - Vitikainen et al. (1997: 36)
- Lepraria incana (L.) Ach. - Vitikainen et al. (1997: 36)
- Lepraria jackii Tønsberg - Vitikainen et al. (1997: 36)
- Lepraria lesdainii (Hue) R. C. Harris - Vitikainen et al. (1997: 36)
- Lepraria lobificans Nyl. - Vitikainen et al. (1997: 36)
- Lepraria membranacea (Dicks.) Vain. - Vitikainen et al. (1997: 36 as Leproloma membranaceum)
- Lepraria neglecta (Nyl.) Erichsen - Vitikainen et al. (1997: 36)
- Lepraria rigidula (de Lesd.) Tønsberg - Vitikainen et al. (1997: 36)
- Lepraria vouauxii (Hue) R. C. Harris - Vitikainen et al. (1997: 36 as Leproloma vouauxii)
- Leprocaulon microscopicum (Vill.) Gams ex D. Hawksw. - Vitikainen et al. (1997: 36)
- Leproplaca chrysodeta (Vain. ex Räsänen) xxx - Vitikainen et al. (1997: 15 as Caloplaca chrysodeta)
- Leproplaca cirrochroa (Ach.) Arup, Frödén & Søchting - Vitikainen et al. (1997: 15 as Caloplaca cirrochroa)
- Leptochidium albociliatum (Desm.) M. Choisy - Vitikainen et al. (1997: 36)
- Leptogium biatorinum (Nyl.) Leight. - Vitikainen et al. (1997: 36)
- Leptogium byssinum (Hoffm.) Nyl. - Vitikainen et al. (1997: 36)
- Leptogium cyanescens (Rabenh.) Körb. - Vitikainen et al. (1997: 36)
- Leptogium gelatinosum (With.) J. R. Laundon - Vitikainen et al. (1997: 36)
- Leptogium imbricatum P. M. Jørg. - Vitikainen et al. (1997: 36)
- Leptogium intermedium (Arnold) Arnold - Vitikainen et al. (1997: 37)
- Leptogium lichenoides (L.) Zahlbr. - Vitikainen et al. (1997: 37)
- Leptogium plicatile (Ach.) Leight. - Vitikainen et al. (1997: 37)
- Leptogium rivulare (Ach.) Mont. - Vitikainen et al. (1997: 37)
- Leptogium saturninum (Dickson) Nyl. - Vitikainen et al. (1997: 37)
- Leptogium schraderi (Bernh.) Nyl. - Pykälä (2010: 57 First record 2009)
- Leptogium tenuissimum (Dicks.) Körb. - Vitikainen et al. (1997: 37)
- Leptogium teretiusculum (Wallr.) Arnold - Vitikainen et al. (1997: 37)
- Leptorhaphis atomaria (Ach.) Szatala - Vitikainen et al. (1997: 37)
- Leptorhaphis epidermidis (Ach.) Th. Fr. - Vitikainen et al. (1997: 37)
- Leptorhaphis psilotera (Nyl.) Arnold - Vitikainen et al. (1997: 37)
- Leptorhaphis tremulae Körb. - Vitikainen et al. (1997: 37)
- Letharia vulpina (L.) Hue - Vitikainen et al. (1997: 37)
- Leucocarpia biatorella (Arnold) Vězda - Vitikainen et al. (1997: 37)
- Lichina confinis (O. F. Müller) C. Agardh - Vitikainen et al. (1997: 37)
- Lichinodium sirosiphoideum Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 38)
- Lithographa tesserata (DC.) Nyl. - Vitikainen et al. (1997: 38)
- Llimoniella neglecta (Vain.) Triebel & Rambold - Vitikainen et al. (1997: 38)
- Lobaria linita (Ach.) Rabenh. - Vitikainen et al. (1997: 38)
- Lobaria pulmonaria (L.) Hoffm. - Vitikainen et al. (1997: 38)
- Lobaria scrobiculata (Scop.) DC. - Vitikainen et al. (1997: 24 as Dendriscocaulon umhausense), Vitikainen et al. (1997: 38)
- Lobothallia melanaspis (Ach.) Hafellner - Vitikainen et al. (1997: 38)
- Lopadium coralloideum (Nyl.) Lynge - Vitikainen et al. (1997: 38)
- Lopadium pezizoideum (Ach.) Körb. - Vitikainen et al. (1997: 38)
- Loxospora elatina (Ach.) A. Massal. - Vitikainen et al. (1997: 38)
- Macentina abscondita Coppins & Vězda - Vitikainen et al. (1997: 38)
- Massalongia carnosa (Dicks.) Körb. - Vitikainen et al. (1997: 38)
- Megalaria grossa (Pers. ex Nyl.) Hafellner - Vitikainen et al. (1997: 38)
- Megaspora verrucosa (Ach.) Hafellner & V. Wirth. - Vitikainen et al. (1997: 38)
- Melanelia hepatizon (Ach.) A. Thell - Vitikainen et al. (1997: 39 as Melanelia hepatizon)
- Melanelia stygia (L.) Essl. - Vitikainen et al. (1997: 39 as Melanelia stygia)
- Melanelixia fuliginosa (Fr. ex Duby) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia fuliginosa)
- Melanelixia californica A. Crespo & Divakar - Vitikainen et al. (1997: 39 erroneously as Melanelia glabra)
- Melanelixia subargentifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia subargentifera)
- Melanelixia subaurifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia subaurifera)
- Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 38 as Melanelia exasperata)
- Melanohalea exasperatula (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia exasperatula)
- Melanohalea infumata (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia infumata)
- Melanohalea olivacea (L.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia olivacea)
- Melanohalea septentrionalis (Lynge) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Vitikainen et al. (1997: 39 as Melanelia septentrionalis)
- Melaspilea granitophila (Th. Fr.) Coppins - Vitikainen et al. (1997: 39)
- Melaspilea proximella (Nyl.) Nyl. - Vitikainen et al. (1997: 39)
- Menegazzia terebrata (Hoffm.) A. Massal. - Vitikainen et al. (1997: 39)
- Merismatium coccisporum (Norman) Vouaux - Vitikainen et al. (1997: 39)
- Merismatium decolorans (Rehm ex Arnold) Triebel - Vitikainen et al. (1997: 39)
- Merismatium heterophractum (Nyl.) Vouaux - Vitikainen et al. (1997: 39)
- Micarea anterior (Nyl.) Hedl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 39)
- Micarea assimilata (Nyl.) Coppins - Vitikainen et al. (1997: 39)
- Micarea bauschiana (Körb.) V. Wirth & Vězda - Vitikainen et al. (1997: 39)
- Micarea botryoides (Nyl.) Coppins - Nylander (xx: xx Type), Vitikainen et al. (1997: 39)
- Micarea denigrata (Fr.) Hedl. - Vitikainen et al. (1997: 39)
- Micarea elachista (Körb.) Coppins & R. Sant. - Vitikainen et al. (1997: 40)
- Micarea erratica (Körb.) Hertel, Rambold & Pietschm. - Vitikainen et al. (1997: 40)
- Micarea eximia Hedl. - Vitikainen et al. (1997: 40)
- Micarea globulosella (Nyl.) Coppins - Vitikainen et al. (1997: 40)
- Micarea hedlundii Coppins - Vitikainen et al. (1997: 40)
- Micarea lignaria (Ach.) Hedl. - Vitikainen et al. (1997: 40)
- Micarea lithinella (Nyl.) Hedl. - Vitikainen et al. (1997: 40)
- Micarea lutulata (Nyl.) Coppins - Vitikainen et al. (1997: 40)
- Micarea melanea (Nyl.) Hedl. - Vitikainen et al. (1997: 40)
- Micarea melanobola (Nyl.) Coppins - Vitikainen et al. (1997: 40)
- Micarea misella (Nyl.) Hedl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 40)
- Micarea myriocarpa xxx - Pykälä (2008: 22)
- Micarea nitschkeana (J. Lahm ex Rabenh.) Harm. - Vitikainen et al. (1997: 40)
- Micarea peliocarpa (Anzi) Coppins & R. Sant. - Vitikainen et al. (1997: 40)
- Micarea prasina Fr. - Vitikainen et al. (1997: 40)
- Micarea submilliaria (Nyl.) Coppins - Nylander (xx: xx Type), Vitikainen et al. (1997: 40)
- Micarea sylvicola (Flot.) Vězda & Wirth - Flotow (xx: xx Type), Vitikainen et al. (1997: 40)
- Micarea tuberculata (Sommerf.) R. A. Anderson - Vitikainen et al. (1997: 40)
- Micarea turfosa (A. Massal.) Du Rietz - Vitikainen et al. (1997: 40)
- Micarea vulpinaris (Nyl.) Muhr - Nylander (xx: xx Type), Vitikainen et al. (1997: 40)
- Microcalicium ahlneri Tibell - Vitikainen et al. (1997: 40)
- Microcalicium arenarium (A. Massal.) Tibell - Vitikainen et al. (1997: 41)
- Microcalicium disseminatum (Ach.) Vain. - Vitikainen et al. (1997: 41)
- Miriquidica atrofulva (Sommerf.) Rambold & A. J. Schwab - Vitikainen et al. (1997: 41)
- Miriquidica complanata (Körb.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica deusta (Stenh.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica garovaglii (Schaer.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica griseoatra (Flot.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica leucophaea (Rabenh.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica liljenstroemii (Du Rietz) R. Sant., ined. - Vitikainen et al. (1997: 41)
- Miriquidica lulensis (Hellb.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica nigroleprosa (Vain.) Hertel & Rambold - Vainio (xx: xx as Lecanora nigroleprosa Type), Vitikainen et al. (1997: 41)
- Miriquidica obnubila (Th. Fr. & Hell.) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica plumbeoatra (Vain.) A. J. Schwab & Rambold - Vainio (xx: xx as Lecidea plumbeoatra Type), Vitikainen et al. (1997: 41)
- Miriquidica pulvinatula (Arnold ) Hertel & Rambold - Vitikainen et al. (1997: 41)
- Miriquidica ventosa (Vain.) Timdal - Vainio (xx: xx as Lecidea ventosa Type), Vitikainen et al. (1997: 41)
- Moelleropsis humida (Kullh.) Coppins & P. M. Jørg. - Kullhem (xx: xx as Biatora humida Type), Vitikainen et al. (1997: 41)
- Montanelia disjuncta (Erichsen) xxx - Vitikainen et al. (1997: 38 as Melanelia disjuncta)
- Montanelia panniformis (Nyl.) xxx - Vitikainen et al. (1997: 39 as Melanelia panniformis)
- Montanelia sorediata (Ach.) xxx - Vitikainen et al. (1997: 39 as Melanelia sorediata)
- Multiclavula corynoides (Peck) R. H. Petersen - Vitikainen et al. (1997: 41)
- Multiclavula mucida (Pers.) R. H. Petersen - Vitikainen et al. (1997: 41)
- Multiclavula vernalis (Schwein.) R. H. Petersen - Vitikainen et al. (1997: 41)
- Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Vitikainen et al. (1997: 41)
- Mycobilimbia carneoalbida Müll. Arg., ined - Vitikainen et al. (1997: 42)
- Mycobilimbia epixanthoides Nyl., ined. - Vitikainen et al. (1997: 42)
- Mycobilimbia hypnorum (Lib.) Kalb. & Hafellner - Vitikainen et al. (1997: 42)
- Mycobilimbia lobulata (Sommerf.) Hafellner - Vitikainen et al. (1997: 42)
- Mycobilimbia microcarpa (Th. Fr.) Brunnb. - Vitikainen et al. (1997: 42)
- Mycobilimbia tetramera De Not. - Vitikainen et al. (1997: 42 ined.)
- Mycoblastus affinis (Schaer.) T. Schauer - Vitikainen et al. (1997: 42)
- Mycoblastus alpinus (Fr.) Kernst. - Vitikainen et al. (1997: 42)
- Mycoblastus fucatus (Stirt.) Zahlbr. - Vitikainen et al. (1997: 42)
- Mycoblastus sanguinarius (L.) Norman - Vitikainen et al. (1997: 42)
- Mycocalicium pallescens (Nyl.) Vain. - Nylander (xx: xx as Calicium pallescens Type), Vitikainen et al. (1997: 42)
- Mycocalicium subtile (Pers.) Szatala - Vitikainen et al. (1997: 42)
- Mycoglaena acuminans (Nyl.) Vain. - Vitikainen et al. (1997: 42)
- Mycoglaena myricae (Nyl.) R. C. Harris - Vitikainen et al. (1997: 42)
- Mycoglaena subcoerulescens (Nyl.) Vain. - Vitikainen et al. (1997: 42)
- Mycomicrothelia confusa D. Hawksw. - Vitikainen et al. (1997: 42)
- Mycomicrothelia macularis (A. Massal.) Keissl. - Vitikainen et al. (1997: 42)
- Mycomicrothelia wallrothii (Hepp) D. Hawksw. - Vitikainen et al. (1997: 42)
- Mycoporellum naevium (Vain.) Zahlbr. - Vainio (xx: xx as Mycoporum naevium Type), Vitikainen et al. (1997: 42)
- Mycoporum antecellens (Nyl.) R. C. Harris - Vitikainen et al. (1997: 42)
- Mycoporum elachistoterum Nyl. - Vitikainen et al. (1997: 42)
- Mycoporum hippocastani (DC.) Coppins - Vitikainen et al. (1997: 43)
- Mycoporum pineum Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 43)
- Mycoporum populnellum Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 43)
- Naetrocymbe punctiformis (Pers.) R. C. Harris - Vitikainen et al. (1997: 43)
- Naetrocymbe rhyponta (Ach.) R. C. Harris - Vitikainen et al. (1997: 43)
- Nephroma arcticum (L.) Torss. - Vitikainen et al. (1997: 43)
- Nephroma bellum (Spreng.) Tuck. - Vitikainen et al. (1997: 43)
- Nephroma expallidum (Nyl.) Nyl. - Vitikainen et al. (1997: 43)
- Nephroma helveticum Ach. - Vitikainen et al. (1997: 43)
- Nephroma laevigatum Ach. - Vitikainen et al. (1997: 43)
- Nephroma parile (Ach.) Ach. - Vitikainen et al. (1997: 43)
- Nephroma resupinatum (L.) Ach. - Vitikainen et al. (1997: 43)
- Ochrolechia alboflavescens (Wulfen) Zahlbr. - Vitikainen et al. (1997: 43)
- Ochrolechia androgyna (Hoffm.) Arnold - Vitikainen et al. (1997: 44)
- Ochrolechia arborea (Kreyer) Almb. - Vitikainen et al. (1997: 44)
- Ochrolechia frigida (Sw.) Lynge - Vitikainen et al. (1997: 44), xx (xx: xx Epitype), Kukwa (2009: 43)
- Ochrolechia grimmiae Lynge - Vitikainen et al. (1997: 44)
- Ochrolechia inaequatula (Nyl.) Zahlbr. - Vitikainen et al. (1997: 44)
- Ochrolechia lactea (L.) Hafellner & Matzer - Vitikainen et al. (1997: 44)
- Ochrolechia microstictoides Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 44)
- Ochrolechia pallescens (L.) A. Massal. - Vitikainen et al. (1997: 44)
- Ochrolechia subviridis (Høeg) Erichsen - Vitikainen et al. (1997: 44)
- Ochrolechia tartarea (L.) A. Massal. - Vitikainen et al. (1997: 44)
- Ochrolechia turneri (Sm.) Hasselrot - Vitikainen et al. (1997: 44)
- Ochrolechia upsaliensis (L.) A. Massal. - Vitikainen et al. (1997: 44)
- Omphalina alpina (Britzelm.) Bresinsky & Stangl - Vitikainen et al. (1997: 44 as Omphalina alpina)
- Omphalina cupulatoides Orton - Vitikainen et al. (1997: 44 as Omphalina cupulatoides)
- Omphalina hudsoniana (H. S. Jenn.) H. E. Bigelow - Vitikainen et al. (1997: 44 as Omphalina hudsoniana)
- Omphalina umbellifera (L.: Fr.) Quélet - Vitikainen et al. (1997: 44 as Omphalina umbellifera)
- Omphalina velutina (Quélet) Quélet - Vitikainen et al. (1997: 44 as Omphalina velutina)
- Opegrapha abscondita Th. Fr. - Vitikainen et al. (1997: 44)
- Opegrapha atra Pers. - Vitikainen et al. (1997: 44)
- Opegrapha catarrapha (Vain.) H. Olivier - Vitikainen et al. (1997: 44)
- Opegrapha dolomitica (Arnold) Körb. - Pykälä (2010: 57 First record 2009)
- Opegrapha gyrocarpa Flot. - Vitikainen et al. (1997: 44)
- Opegrapha lamyi (O. J. Rich. ex Nyl.) Triebel - Vitikainen et al. (1997: 44)
- Opegrapha physciaria (Nyl.) D. Hawksw. & Coppins - Vitikainen et al. (1997: 44)
- Opegrapha rufescens Pers. - Vitikainen et al. (1997: 44)
- Opegrapha rupestris Pers. - Vitikainen et al. (1997: 44)
- Opegrapha subparallela Müll. Arg. - Vitikainen et al. (1997: 44)
- Opegrapha varia Pers. var. varia - Vitikainen et al. (1997: 45)
- Opegrapha vulgata Ach. var. subsiderella Nyl. - Vitikainen et al. (1997: 45)
- Opegrapha vulgata Ach. var. vulgata - Vitikainen et al. (1997: 45)
- Opegrapha xylographiza Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 45)
- Ophioparma lapponica (Räsänen) Hafellner & R. W. Rogers - Vitikainen et al. (1997: 45)
- Ophioparma ventosa (L.) Norman - Vitikainen et al. (1997: 45)
- Orphniospora moriopsis (A. Massal.) D. Hawksw. - Vitikainen et al. (1997: 45)
- Orphniospora moriopsoides (Vain.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen - Vainio (xx: xx as Lecidea atrata subsp. moriopsoides Type), Vitikainen et al. (1997: 45) Nom. inval.
- Pachyphiale fagicola (Arnold) Zwackh - Vitikainen et al. (1997: 45)
- Pannaria hookeri (Borrer ex Sm.) Nyl. - Vitikainen et al. (1997: 45)
- Pannaria pezizoides (G. Weber) Trevis - Vitikainen et al. (1997: 45)
- Pannaria praetermissa (Nyl.) P. M. Jørg. - Vitikainen et al. (1997: 45)
- Parmelia discordans Nyl. - Nylander (1886: 40 Type), Brenner (1886: 40 Type in Helsinki, Finland H), Vitikainen et al. (1997: 45 as Parmelia omphalodes subsp. discordans)
- Parmelia fraudans (Nyl.) Nyl. - Nylander (xx: xx as Parmelia saxatilis subsp. fraudans Type), Nylander (1861: 100), Vitikainen et al. (1997: 45)
- Parmelia omphalodes (L.) Ach. - Vitikainen et al. (1997: 45)
- Parmelia pinnatifida Kurok. - Vitikainen et al. (1997: 45 as Parmelia omphalodes subsp. pinnatifida)
- Parmelia saxatilis (L.) Ach. - Vitikainen et al. (1997: 45), Feuerer & Thell (2002: xx), Thell et al. (2007: 245 DNA: ITS)
- Parmelia sulcata Taylor - Vitikainen et al. (1997: 45)
- Parmeliella arctophila (Th. Fr.) Malme - Vitikainen et al. (1997: 45)
- Parmeliella triptophylla (Ach.) Müll. Arg. - Vitikainen et al. (1997: 45)
- Parmelina pastillifera (Harm.) Hale - Vitikainen et al. (1997: 46)
- Parmelina tiliacea (Hoffm.) Hale - Vitikainen et al. (1997: 46)
- Parmeliopsis ambigua (Wulfen) Nyl. - Vitikainen et al. (1997: 46)
- Parmeliopsis hyperopta (Ach.) Arnold - Vitikainen et al. (1997: 46)
- Peltigera aphthosa (L.) Willd. - Vitikainen et al. (1997: 46)
- Peltigera canina (L.) Willd. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera collina (Ach.) Schrad. - Vitikainen et al. (1997: 46)
- Peltigera degenii Gyeln. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera didactyla (With.) J. R. Laundon - Vitikainen et al. (1997: 46)
- Peltigera elisabethae Gyeln. - Vitikainen et al. (1997: 46)
- Peltigera frippii Holt.-Hartw. - Vitikainen et al. (1997: 46)
- Peltigera horizontalis (Huds.) Baumg. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera hymenina (Ach.) Delise - Vitikainen et al. (1997: 46)
- Peltigera kristinssonii Vitik. - Vitikainen et al. (1997: 46)
- Peltigera lepidophora (Nyl. ex Vain.) Bitter - Vainio (xx: xx as Peltigera canina var. lepidophora Type), Vitikainen et al. (1997: 46)
- Peltigera leucophlebia (Nyl.) Gyeln. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera malacea (Ach.) Funck - Vitikainen et al. (1997: 46)
- Peltigera membranacea (Ach.) Nyl. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera neckeri Hepp ex Müll. Arg. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera neopolydactyla (Gyeln.) Gyeln. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera polydactyla (Neck.) Hoffm. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera ponojensis Gyeln. - Vitikainen et al. (1997: 46)
- Peltigera praetextata (Sommerf.) Zopf - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera retifoveata Vitik. - Vitikainen (1985: 296 Type), Vitikainen et al. (1997: 46)
- Peltigera rufescens (Weiss) Humb. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peltigera scabrosa Th. Fr. - Vitikainen et al. (1997: 46)
- Peltigera scabrosella Holt.-Hartw. - Vitikainen et al. (1997: 46)
- Peltigera venosa (L.) Hoffm. - Vitikainen et al. (1997: 46), Czeczuga et al. (2004: 283)
- Peridiothelia fuliguncta (Norman) D. Hawksw. - Vitikainen et al. (1997: 47)
- Pertusaria albescens (Huds.) M. Choisy - Vitikainen et al. (1997: 47)
- Pertusaria alpina Hepp ex Ahles - Vitikainen et al. (1997: 47)
- Pertusaria amara (Ach.) Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria atropallida Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 47)
- Pertusaria borealis Erichsen - Vitikainen et al. (1997: 47)
- Pertusaria bryontha (Ach.) Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria carneopallida (Nyl.) Anzi - Vitikainen et al. (1997: 47)
- Pertusaria chiodectonoides Bagl. ex Massal. - Vitikainen et al. (1997: 47)
- Pertusaria coccodes (Ach.) Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria corallina (L.) Arnold - Vitikainen et al. (1997: 47)
- Pertusaria coriacea (Th. Fr.) Th. Fr. - Vitikainen et al. (1997: 47)
- Pertusaria coronata (Ach.) Th. Fr. - Vitikainen et al. (1997: 47)
- Pertusaria dactylina (Ach.) Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria excludens Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria flavida (DC.) J. R. Laundon - Vitikainen et al. (1997: 47)
- Pertusaria geminipara (Th. Fr.) Knight ex Brodo - Vitikainen et al. (1997: 47)
- Pertusaria hemisphaerica (Flörke) Erichsen - Vitikainen et al. (1997: 47)
- Pertusaria leucostoma A. Massal. - Vitikainen et al. (1997: 47)
- Pertusaria multipuncta (Turner) Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria octomela (Norman) Erichsen - Vitikainen et al. (1997: 47)
- Pertusaria oculata (Dicks.) Th. Fr. - Vitikainen et al. (1997: 47)
- Pertusaria ophthalmiza (Nyl.) Nyl. - Nylander (xx: xx as Pertusaria multipuncta var. ophthalmiza Type), Vitikainen et al. (1997: 47)
- Pertusaria panyrga (Ach.) A. Massal. - Vitikainen et al. (1997: 47)
- Pertusaria pertusa (Weigel) Tuck. - Vitikainen et al. (1997: 47)
- Pertusaria poriniza Nyl. - Vitikainen et al. (1997: 47)
- Pertusaria pupillaris (Nyl.) Th. Fr. - Vitikainen et al. (1997: 47)
- Pertusaria raesaenenii Erichsen - Erichsen (xx: xx Type), Vitikainen et al. (1997: 47)
- Pertusaria sommerfeltii (Sommerf.) Fr. - Sommerfelt (xx: xx as Endocarpon sommerfeltii Type), Vitikainen et al. (1997: 47)
- Phaeocalicium betulinum (Nyl.) Tibell - Nylander (xx: xx as Calicium pallescens f. betulinum Räsänen), Vitikainen et al. (1997: 48)
- Phaeocalicium interruptum (Nyl.) Tibell - Nylander (xx: xx as Calicium pallescens var. interruptum Type), Vitikainen et al. (1997: 48)
- Phaeocalicium populneum (Brond. Ex Duby) A. F. W. Schmidt - Vitikainen et al. (1997: 48)
- Phaeocalicium praecedens (Nyl.) A. F. W. Schmidt - Nylander (xx: xx as Calicium praecedens Type), Vitikainen et al. (1997: 48)
- Phaeocalicium tremulicola (Norrl. ex Nyl.) Tibell - Nylander (xx: xx as Stenocybe tremulicola), Vitikainen et al. (1997: 48)
- Phaeodotis ribesiella (Nyl. ex Vain.) Aptroot - Vitikainen et al. (1997: 48)
- Phaeophyscia ciliata (Hoffm.) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia sonstipata (Norrl. & Nyl.) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia endococcina (Körb.) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia kairamoi (Vain.) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia nigricans (Flörke) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia orbicularis (Neck.) Moberg - Vitikainen et al. (1997: 48)
- Phaeophyscia sciastra (Ach.) Moberg - Vitikainen et al. (1997: 48)
- Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Vitikainen et al. (1997: 48)
- Phlyctis agelaea (Ach.) Flot. - Vitikainen et al. (1997: 48)
- Phlyctis argena (Spreng.) Flot. - Vitikainen et al. (1997: 48)
- Phyliscum demangeonii (Moug. & Mont.) Nyl. - Henssen & Büdel (1984: 382), Vitikainen et al. (1997: 49)
- Physcia adscendens H. Olivier - Vitikainen et al. (1997: 49)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. var. aipolia - Vitikainen et al. (1997: 49)
- Physcia aipolia (Ehrh. ex Humb.) var. alnophila (Vain.) Lynge - Vitikainen et al. (1997: 49)
- Physcia caesia (Hoffm.) Lettau - Vitikainen et al. (1997: 49)
- Physcia dubia (Hoffm.) Lettau - Vitikainen et al. (1997: 49)
- Physcia leptalea (Ach.) DC. - Vitikainen et al. (1997: 49)
- Physcia phaea (Tuck.) J. W. Thomson - Vitikainen et al. (1997: 49)
- Physcia stellaris (L.) Nyl. - Vitikainen et al. (1997: 49)
- Physcia subalbinea Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 49)
- Physcia tenella (Scop.) DC. var. marina (E. Nyl.) Lynge - Vitikainen et al. (1997: 49)
- Physcia tenella (Scop.) DC. var. tenella - Vitikainen et al. (1997: 49)
- Physconia detersa (Nyl.) Poelt - Vitikainen et al. (1997: 49)
- Physconia distorta (With.) J. R. Laundon - Vitikainen et al. (1997: 49)
- Physconia enteroxantha (Nyl.) Poelt - Vitikainen et al. (1997: 49)
- Physconia muscigena (Ach.) Poelt - Vitikainen et al. (1997: 49)
- Physconia perisidiosa (Erichsen) Moberg - Vitikainen et al. (1997: 49)
- Pilophorus cereolus (Ach.) Th. Fr. - Vitikainen et al. (1997: 49)
- Pilophorus robustus Th. Fr. - Vitikainen et al. (1997: 49)
- Placidiopsis cartilaginea (Nyl.) Vain. - Vitikainen et al. (1997: 49)
- Placidium rufescens xxx - Pykälä (2010: 56 First record 2009 ?)
- Placopsis gelida (L.) Linds. - Vitikainen et al. (1997: 50)
- Placopsis lambii Hertel & V. Wirth - Vitikainen et al. (1997: 50)
- Placynthiella dasaea (Stirt.) Tønsberg - Vitikainen et al. (1997: 50)
- Placynthiella icmalea (Ach.) Coppins & P. James - Vitikainen et al. (1997: 50)
- Placynthiella oligotropha (J. R. Laundon) Coppins & P. James - Vitikainen et al. (1997: 50)
- Placynthiella uliginosa (Schrad.) Coppins & P. James - Vitikainen et al. (1997: 50)
- Placynthium asperellum (Ach.) Trevis. - Vitikainen et al. (1997: 50)
- Placynthium fabellosum (Tuck.) Zahlbr. - Vitikainen et al. (1997: 50)
- Placynthium nigrum (Huds.) Gray - Vitikainen et al. (1997: 50)
- Placynthium pannariellum (Nyl.) H. Magn. - Nylander (xx: xx as Pterygium pannariellum Type), Vitikainen et al. (1997: 50)
- Placynthium rosulans (Th. Fr.) Zahlbr. - Vitikainen et al. (1997: 50)
- Placynthium stenophyllum xxx - Pykälä (2010: 57 First record 2009)
- Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Vitikainen et al. (1997: 50)
- Platismatia norvegica (Lynge) W. L. Culb. & C. F. Culb. - Vitikainen et al. (1997: 50)
- Pleopsidium chlorophanum (Wahlenb.) Zopf. - Vitikainen et al. (1997: 50)
- Pleurosticta acetabulum (Neck.) Elix & Lumbsch - Vitikainen et al. (1997: 50)
- Polyblastia albida Arnold - Vitikainen et al. (1997: 50)
- Polyblastia bryophila xxx - Pykälä (2010: 57 First record 2009)
- Polyblastia cruenta (Körb.) P. James & Swinscow - Vitikainen et al. (1997: 50)
- Polyblastia decipiescens (Vain.) Zschacke - Vainio (xx: xx as Thelidium decipiescens Type), Vitikainen et al. (1997: 50)
- Polyblastia fuscoargillacea Anzi - Vitikainen et al. (1997: 50)
- Polyblastia hyperborea Th. Fr. - Vitikainen et al. (1997: 50)
- Polyblastia intermedia Th. Fr. - Vitikainen et al. (1997: 50)
- Polyblastia melaspora (Taylor) Zahlbr. - Vitikainen et al. (1997: 50)
- Polyblastia sendtneri Th. Fr. - Vitikainen et al. (1997: 50)
- Polyblastia terrestris Th. Fr. - Vitikainen et al. (1997: 50)
- Polyblastia theleodes (Sommerf.) Th. Fr. - Vitikainen et al. (1997: 50)
- Polyblastia velata (Th. Fr.) Vain. - Vitikainen et al. (1997: 50)
- Polychidium muscicola (Sw.) Gray - Vitikainen et al. (1997: 51)
- Polycoccum trypethelioides (Th. Fr.) R. Sant. - Vitikainen et al. (1997: 51)
- Polysporina dubia (H. Magn.) Vězda - Vitikainen et al. (1997: 51)
- Polysporina simplex (Davies) Vězda - Vitikainen et al. (1997: 51)
- Porina aenea (Wallr.) Zahlbr. - Vitikainen et al. (1997: 51)
- Porina chlorotica (Ach.) Müll. Arg. - Vitikainen et al. (1997: 51)
- Porina glaucocinerea (Nyl.) Vain. - Vitikainen et al. (1997: 51)
- Porina lectissima (Fr.) Zahlbr. - Vitikainen et al. (1997: 51)
- Porina leptaleoides (Nyl.) Vain. - Nylander (xx: xx as Verrucaria leptaleoides Type), Vitikainen et al. (1997: 51)
- Porina mammillosa (Th. Fr.) Vain. - Vitikainen et al. (1997: 51)
- Porina nigratula (Nyl.) Vain. - Vitikainen et al. (1997: 51)
- Porina norrlinii Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 51)
- Porocyphus coccodes (Flot.) Körb. - Vitikainen et al. (1997: 51)
- Porocyphus kenmorensis (Nyl.) Henss. - Vitikainen et al. (1997: 51)
- Porocyphus populicola Räsänen - Vitikainen et al. (1997: 51)
- Porpidia cinereoatra (Ach.) Hertel & Knoph - Vitikainen et al. (1997: 51)
- Porpidia contraponenda (Arnold) Knoph & Hertel - Vitikainen et al. (1997: 51)
- Porpidia crustulata (Ach.) Hertel & Knoph - Vitikainen et al. (1997: 51)
- Porpidia flavocaerulescens (Ach.) Hertel & A. J. Schwab. - Vitikainen et al. (1997: 51)
- Porpidia glaucophaea (Körb.) Hertel & Knoph - Vitikainen et al. (1997: 51)
- Porpidia grisea Gowan - Vitikainen et al. (1997: 51)
- Porpidia lowiana Gowan - Vitikainen et al. (1997: 51)
- Porpidia macrocarpa (DC.) Hertel & A. J. Schwab - Vitikainen et al. (1997: 51)
- Porpidia melinodes (Körb.) Gowan & Ahti - Vitikainen et al. (1997: 51)
- Porpidia musiva (Körb.) Hertel & Knoph - Vitikainen et al. (1997: 51)
- Porpidia soredizodes (Lamy ex Nyl.) J. R. Laundon - Vitikainen et al. (1997: 51)
- Porpidia speirea (Ach.) Kremp. - Vitikainen et al. (1997: 51)
- Porpidia superba (Körb.) Hertel & Knoph - Vitikainen et al. (1997: 52)
- Porpidia thomsonii Gowan - Vitikainen et al. (1997: 52)
- Porpidia tuberculosa (Sm.) Hertel & Knoph - Vitikainen et al. (1997: 52)
- Porpidia zeoroides (Anzi) Knoph & Hertel - Vitikainen et al. (1997: 52)
- Protoblastenia calva (Dicks.) Zahlbr. - Vitikainen et al. (1997: 52)
- Protoblastenia incrustans (DC.) J. Steiner - Vitikainen et al. (1997: 52)
- Protoblastenia lilacina Poelt & Vězda - Pykälä (2010: 57 First record 2009)
- Protoblastenia rupestris (Scop.) J. Steiner - Vitikainen et al. (1997: 52)
- Protoblastenia siebenhaariana xxx - Pykälä (2010: 58 First record 2009)
- Protoblastenia terricola xxx - Pykälä (2010: 58 First record 2009)
- Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth - Vitikainen et al. (1997: 52)
- Protoparmelia badia (Hoffm.) Hafellner - Vitikainen et al. (1997: 52)
- Protoparmelia nephaea (Sommerf.) R. Sant. - Vitikainen et al. (1997: 52)
- Protoparmelia oleagina (Harmand) Coppins - Nordin & Hermansson (1999: 18)
- Protothelenella corrosa (Körb.) H. Mayrhofer & Poelt - Vitikainen et al. (1997: 52)
- Protothelenella leucothelia (Nyl.) H. Mayrhofer & Poelt - Vitikainen et al. (1997: 52)
- Protothelenella sphinctrinoidella (Nyl.) H. Mayrhofer & Poelt - Vitikainen et al. (1997: 52)
- Protothelenella sphinctrinoides (Nyl.) H. Mayrhofer & Poelt - Nylander (xx: xx Type), Vitikainen et al. (1997: 52)
- Protothelenella xylina H. Mayrhofer & Poelt - Vitikainen et al. (1997: 52)
- Pseudephebe minuscula (Arnold) Brodo & D. Hawksw. - Vitikainen et al. (1997: 52)
- Pseudephebe pubescens (L.) M. Choisy - Vitikainen et al. (1997: 52)
- Pseudevernia furfuracea (L.) Zopf - Vitikainen et al. (1997: 52)
- Psilolechia clavulifera (Nyl.) Coppins - Nylander (xx: xx as Lecidea clavulifera), Vitikainen et al. (1997: 52)
- Psilolechia lucida (Ach.) M. Choisy - Vitikainen et al. (1997: 53)
- Psora decipiens (Hedw.) Hoffm. - Vitikainen et al. (1997: 53)
- Psora globifera (Ach.) A. Massal. - Vitikainen et al. (1997: 53)
- Psora rubiformis (Ach.) Hook. - Vitikainen et al. (1997: 53)
- Psorinia conglomerata (Ach.) Gotth. Schneid. - Vitikainen et al. (1997: 53)
- Psoroma hypnorum (Vahl) Gray - Vitikainen et al. (1997: 53)
- Psorotichia fuliginascens (Nyl.) Forsell - Nylander (xx: xx as Collemopsis fuliginascens Type), Vitikainen et al. (1997: 53)
- Psorotichia schaereri (A. Massal.) Arnold - Vitikainen et al. (1997: 53)
- Pterygiopsis coracodiza (Nyl.) Henssen - Vitikainen et al. (1997: 53)
- Ptychographa flexella (Ach.) Coppins - Vitikainen et al. (1997: 53)
- Pycnora leucococca (R. Sant. in Moberg) R. Sant. - Moberg (1986: 3), Vitikainen et al. (1997: 28 as Hypocenomyce leucococca)
- Pycnora sorophora (Vain.) xxx - Vainio (xx: xx as Lecidea xanthococca subsp. sorophora Type), Vitikainen et al. (1997: 28 as Hypocenomyce sorophora)
- Pycnora xanthococca (Sommerf.) xxx - Sommerfeld (xx: xx as Lecidea xanthococca Type), Vitikainen et al. (1997: 28 as Hypocenomyce xanthococca)
- Pycnothelia papillaria Dufour - Vitikainen et al. (1997: 53)
- Pyrenidium actinellum Nyl. - Vitikainen et al. (1997: 53)
- Pyrenocarpon flotowianum (Hepp) Trevis - Vitikainen et al. (1997: 53)
- Pyrenocollema argilospilum (Nyl.) Coppins - Nylander (xx: xx as Verrucaria argilospila Type), Vitikainen et al. (1997: 53)
- Pyrenopsidium extendens (Nyl.) Forssell - Vitikainen et al. (1997: 53)
- Pyrenopsis concordatula Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 53)
- Pyrenopsis furfurea (Nyl.) Leight. - Vitikainen et al. (1997: 53)
- Pyrenopsis grammulifera Nyl. - Vitikainen et al. (1997: 53)
- Pyrenopsis haemalella (Nyl.) Blomb. & Forssell - Nylander (xx: xx as Euopsis haemalella Type), Vitikainen et al. (1997: 53)
- Pyrenopsis haematina P. M. Jørg. & Henssen - Vitikainen et al. (1997: 53)
- Pyrenopsis pleiobola Nyl. - Vitikainen et al. (1997: 53)
- Pyrenopsis subfuliginea Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 53)
- Pyrenopsis umbilicata Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 53)
- Pyrenula coryli A. Massal. - Vitikainen et al. (1997: 54)
- Pyrrhospora elabens (Fr.) Hafellner - Vitikainen et al. (1997: 54)
- Pyrrhospora quernea (Dicks.) Körb. - Vitikainen et al. (1997: 54)
- Pyrrhospora rubiginans (Nyl.) P. James - Vitikainen et al. (1997: 54)
- Racodium rupestre Pers. - Vitikainen et al. (1997: 54)
- Ramalina baltica Lettau - Vitikainen et al. (1997: 54)
- Ramalina calicaris (L.) Röhl. - Vitikainen et al. (1997: 54)
- Ramalina capitata (Ach.) Nyl. - Vitikainen et al. (1997: 54)
- Ramalina dilacerata (Hoffm.) Hoffm. - Vitikainen et al. (1997: 54)
- Ramalina elegans (Bagl. & Carestia) Stizenb. - Vitikainen et al. (1997: 54)
- Ramalina farinacea (L.) Ach. - Vitikainen et al. (1997: 54)
- Ramalina fastigiata (Pers.) Ach. - Vitikainen et al. (1997: 54)
- Ramalina fraxinea (L.) Ach. - Vitikainen et al. (1997: 54)
- Ramalina intermedia (Delise ex Nyl.) Nyl. - Vitikainen et al. (1997: 54)
- Ramalina obtusata (Arnold) Bitter - Vitikainen et al. (1997: 54)
- Ramalina pollinaria (Westr.) Ach. - Vitikainen et al. (1997: 54)
- Ramalina roesleri (Hochst. ex Schaer.) Hue - Vitikainen et al. (1997: 54)
- Ramalina siliquosa (Huds.) A. L. Sm. - Vitikainen et al. (1997: 54)
- Ramalina sinensis Jatta - Vitikainen et al. (1997: 54)
- Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. - Vitikainen et al. (1997: 54)
- Ramalina thrausta (Ach.) Nyl. - Vitikainen et al. (1997: 54)
- Ramboldia cinnabarina (Sommerf.) Kalb, Lumbsch & Elix - Vitikainen et al. (1997: 54 as Pyrrhospora cinnabarina)
- Ramonia luteola Vezda - Pykälä (2008: 22)
- Rhizocarpon alpicola (Wahlenb.) Rabenh. - Wahlenberg (1812: 474 as Lecidea atrovirens var. alpicola Protologue), Rabenhorst (1861: 618), Vitikainen et al. (1997: 55) Type
- Rhizocarpon anaperum (Vain.) Vain. - Vitikainen et al. (1997: 55)
- Rhizocarpon atroflavescens Lynge - Vitikainen et al. (1997: 55)
- Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Vitikainen et al. (1997: 55)
- Rhizocarpon cinereonigrum Vain. - Vainio (1922: 279 Protologue), Vitikainen et al. (1997: 55) Type
- Rhizocarpon cinereovirens (Müll. Arg.) Vain. - Vitikainen et al. (1997: 55)
- Rhizocarpon copelandii (Körb.) Th. Fr. - Vitikainen et al. (1997: 55)
- Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Vitikainen et al. (1997: 55)
- Rhizocarpon distinctum Th. Fr. - Vitikainen et al. (1997: 55)
- Rhizocarpon eupetraeoides (Nyl.) Blomb. & Forssell - Nylander (xx: xx as Lecidea eupetraeoides Type), Vitikainen et al. (1997: 55)
- Rhizocarpon eupetraeum (Nyl.) Arnold - Nylander (1870: 36 as Lecidea eupetraea Protologue), Vitikainen et al. (1997: 55) Type
- Rhizocarpon expallescens Th. Fr. - Vitikainen et al. (1997: 55)
- Rhizocarpon ferax H. Magn. - Vitikainen et al. (1997: 55)
- Rhizocarpon frigidum Räsänen - Vitikainen et al. (1997: 55)
- Rhizocarpon fuscosquamosum Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 55)
- Rhizocarpon geminatum Körb. - Vitikainen et al. (1997: 55)
- Rhizocarpon geographicum (L.) DC. subsp. arcticum (Runem.) Hertel - Vitikainen et al. (1997: 55)
- Rhizocarpon geographicum (L.) DC. subsp. diabasicum (Räsänen) Poelt & Vězda - Vitikainen et al. (1997: 55)
- Rhizocarpon geographicum (L.) DC. subsp. geographicum - Vitikainen et al. (1997: 55)
- Rhizocarpon geographicum (L.) DC. subsp. kittilense Räsänen, ined. - Vitikainen et al. (1997: 55)
- Rhizocarpon geographicum (L.) DC. subsp. lindsayanum Räsänen, ined. - Vitikainen et al. (1997: 55)
- Rhizocarpon grande (Flörke ex Flot.) Arnold - Vitikainen et al. (1997: 55)
- Rhizocarpon hochstetteri (Körb.) Vain. - Vitikainen et al. (1997: 55)
- Rhizocarpon inarense (Vain.) Vain. - Vainio (xx: xx as Lecidea chionophila subsp. inarensis Type), Vitikainen et al. (1997: 55)
- Rhizocarpon intermediellum Räsänen - Vitikainen et al. (1997: 55)
- Rhizocarpon intersitum Arnold - Vitikainen et al. (1997: 55)
- Rhizocarpon jemtlandicum (Malme) Malme - Vitikainen et al. (1997: 55)
- Rhizocarpon lavatum (Fr.) Hazsl. - Vitikainen et al. (1997: 55)
- Rhizocarpon lecanorinum Anders - Vitikainen et al. (1997: 55)
- Rhizocarpon leptolepis Anzi - Vitikainen et al. (1997: 55)
- Rhizocarpon macrosporum Räsänen - Vitikainen et al. (1997: 55)
- Rhizocarpon obscuratum (Ach.) A. Massal. - Vitikainen et al. (1997: 56)
- Rhizocarpon oederi (Weber) Körb. - Vitikainen et al. (1997: 56)
- Rhizocarpon petraeum (Wulfen) A. Massal. - Vitikainen et al. (1997: 56)
- Rhizocarpon plicatile (Leight.) A. L. Sm. - Vitikainen et al. (1997: 56)
- Rhizocarpon polycarpum (Hepp) Th. Fr. - Vitikainen et al. (1997: 56)
- Rhizocarpon postumum (Nyl.) Arnold - Nylander (xx: xx as Lecidea postuma Type), Vitikainen et al. (1997: 56)
- Rhizocarpon rapax V. Wirth. & Poelt - Vitikainen et al. (1997: 56)
- Rhizocarpon richardii (Lamy ex Nyl.) Zahlbr. - Vitikainen et al. (1997: 56)
- Rhizocarpon rittokense (Hellb.) Th. Fr. - Vitikainen et al. (1997: 56)
- Rhizocarpon rittokense (Hellb.) Th. Fr. - Vitikainen et al. (1997: 56)
- Rhizocarpon saanaense Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 56)
- Rhizocarpon subconglomeratum Räsänen - Räsänen (xx: xx Type), Vitikainen et al. (1997: 56)
- Rhizocarpon subgeminatum Eitner - Vitikainen et al. (1997: 56)
- Rhizocarpon submodestum (Vain.) Vain. - Vainio (xx: xx as Lecidea submodesta Type), Vitikainen et al. (1997: 56)
- Rhizocarpon tetramerum (Vain.) Vain. - Vitikainen et al. (1997: 56)
- Rhizocarpon umbilicatum (Ramond) Flagey - Vitikainen et al. (1997: 56)
- Rhizocarpon viridiatrum (Wulfen) Körb. - Vitikainen et al. (1997: 56)
- Rhizoplaca chrysoleuca (Sm.) Zopf. - Vitikainen et al. (1997: 56)
- Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Vitikainen et al. (1997: 56)
- Rimularia furvella (Nyl. ex Mudd) Hertel & Rambold - Vitikainen et al. (1997: 56)
- Rimularia gyrizans (Nyl.) Hertel & Rambold - Nylander (xx: xx as Lecidea gyrizans Type), Vitikainen et al. (1997: 56)
- Rimularia insularis (Nyl.) Hertel & Rambold - Vitikainen et al. (1997: 56)
- Rimularia limborina Nyl. - Vitikainen et al. (1997: 56)
- Rimularia sphacelata (Th. Fr.) Hertel & Rambold - Vitikainen et al. (1997: 56)
- Rinodina archaea (Ach.) Arnold - Santesson (1993: 196), Vitikainen et al. (1997: 56)
- Rinodina aspersa (Borrer) J. R. Laundon - Vitikainen et al. (1997: 56)
- Rinodina bischoffii (Hepp) A. Massal. - Vitikainen et al. (1997: 56)
- Rinodina calcarea (Arnold) Arnold - Pykälä (2008: 22)
- Rinodina cinereovirens (Vain.) Vain. - Vitikainen et al. (1997: 56)
- Rinodina colobina (Ach.) Th. Fr. - Vitikainen et al. (1997: 56)
- Rinodina confragosa (Ach.) Körb. - Vitikainen et al. (1997: 57)
- Rinodina conradii Körb. - Vitikainen et al. (1997: 57)
- Rinodina consocians H. Magn. - Vitikainen et al. (1997: 57)
- Rinodina convexula H. Magn. - Magnusson (1947: 290 Type in Uppsala, Sweden UPS), Vitikainen et al. (1997: 57)
- Rinodina deflectens (Nyl.) Blomb. & Forssell - Nylander (1875: 8 as Lecanora deflectens Type in Turku, Finland TUR-V), Vitikainen et al. (1997: 57)
- Rinodina degeliana Coppins - Vitikainen et al. (1997: 57)
- Rinodina efflorescens Malme - Vitikainen et al. (1997: 57)
- Rinodina exigua (Ach.) S. Gray - Vitikainen et al. (1997: 57)
- Rinodina fimbriata Körb. - Vitikainen et al. (1997: 57)
- Rinodina gennarii Bagl. - Vitikainen et al. (1997: 57)
- Rinodina granulans Vain. - Vitikainen et al. (1997: 57)
- Rinodina hyperborea H. Magn. - Vitikainen et al. (1997: 57)
- Rinodina immersa (Körb.) Arnold - Vitikainen et al. (1997: 57)
- Rinodina interpolata (Stirt.) Sheard - Vitikainen et al. (1997: 57)
- Rinodina laevigata (Ach.) Malme - Vitikainen et al. (1997: 57)
- Rinodina lignaria H. Magn. - Vitikainen et al. (1997: 57)
- Rinodina metaboliza Vain. - Vitikainen et al. (1997: 57)
- Rinodina milvina (Wahlenb.) Th. Fr. - Vitikainen et al. (1997: 57)
- Rinodina mniaraea (Ach.) Körb. var. cinnamomea Th. Fr. - Vitikainen et al. (1997: 57)
- Rinodina mniaraea (Ach.) Körb. var. mniaraea - Vitikainen et al. (1997: 57)
- Rinodina mniaraea (Ach.) Körb. var. mniaroeiza (Nyl.) H. Magn. - Nylander (xx: xx as Lecanora mniaroeiza Type), Vitikainen et al. (1997: 57)
- Rinodina muscicola H. Magn. - Magnusson (1947: 234 Type in Helsinki, Finland H-NYL)
- Rinodina olivaceobrunnea C. W. Dodge & G. E. Baker - Vitikainen et al. (1997: 57)
- Rinodina oxydata (A. Massal.) A. Massal. - Vitikainen et al. (1997: 57)
- Rinodina parasitica H. Mayrhofer & Poelt - Vitikainen et al. (1997: 57)
- Rinodina polyspora Th. Fr. - Vitikainen et al. (1997: 57)
- Rinodina pyrina (Ach.) Arnold - Vitikainen et al. (1997: 57)
- Rinodina roscida (Sommerf.) Arnold - Vitikainen et al. (1997: 57)
- Rinodina septentrionalis Malme - Vitikainen et al. (1997: 57)
- Rinodina sophodes (Ach.) A. Massal. - Vitikainen et al. (1997: 57)
- Rinodina sophodioides H. Magn. - Vitikainen et al. (1997: 57)
- Rinodina subfusca H. Magn. - Vitikainen et al. (1997: 57)
- Rinodina subobscura H. Magn. - Magnusson (xx: xx Type), Vitikainen et al. (1997: 57)
- Rinodina tephraspis (Tuck.) Herre - Nylander (1861: 151 as Rinodina badiella Type), Vitikainen et al. (1997: 57)
- Rinodina turfacea (Wahlenb.) Körb. - Vitikainen et al. (1997: 57)
- Romjularia lurida (Ach.) Timdal - Vitikainen et al. (1997: 34 as Lecidea lurida)
- Ropalospora atroumbrina (H. Magn.) S. Ekman - Vitikainen et al. (1997: 57)
- Ropalospora lugubris (Sommerf.) Poelt - Vitikainen et al. (1997: 58)
- Ropalospora viridis (Tønsberg) Tønsberg - Vitikainen et al. (1997: 58)
- Rufoplaca arenaria (Pers.) Müll. Arg. - Vitikainen et al. (1997: 15 as Caloplaca arenaria)
- Sagiolechia protuberans (Ach.) A. Massal. - Vitikainen et al. (1997: 58)
- Sagiolechia rhexoblephara (Nyl.) Zahlbr. - Vitikainen et al. (1997: 58)
- Sarcogyne clavus (DC.) Kremp. - Vitikainen et al. (1997: 58)
- Sarcogyne hypophaeoides Vain. ex H. Magn. - Magnusson (1935: 84 Type in TUR-Vainio), Vitikainen et al. (1997: 58), Westberg et al. (2015: 51 Lectotype)
- Sarcogyne privigna (Ach.) A. Massal. - Vitikainen et al. (1997: 58)
- Sarcogyne regularis Körb. - Vitikainen et al. (1997: 58)
- Sarcosagium campestre (Fr.) Poetsch & Schied. - Vitikainen et al. (1997: 58)
- Schaereria cinereorufa (Schaer.) Th. Fr. - Vitikainen et al. (1997: 58)
- Schaereria endocyanea (Stirt.) Hertel & Gotth. Schneid. - Vitikainen et al. (1997: 58)
- Schaereria serenior (Vain.) Vitik. - Vainio (1890: 122 as Lecidea tenebrosa subsp. somphotera var. serenior Type), Vitikainen et al. (1997: 58)
- Schismatomma pericleum (Ach.) Branth & Rostr. - Vitikainen et al. (1997: 58)
- Sclerophora coniophaea (Norman) Mattsson & Middelb. - Vitikainen et al. (1997: 58)
- Sclerophora farinacea (Chevall.) Chevall. - Vitikainen et al. (1997: 58)
- Sclerophora nivea (Hoffm.) Tibell - Vitikainen et al. (1997: 58)
- Sclerophora peronella (Ach.) Tibell - Vitikainen et al. (1997: 58)
- Scoliciosporum chlorococcum (Graewe ex Stenh.) Vězda - Vitikainen et al. (1997: 59)
- Scoliciosporum ophiosporum (Hellb.) Vain. - Vitikainen et al. (1997: 59)
- Scoliciosporum sarothamni (Vain.) Vězda - Vitikainen et al. (1997: 59)
- Scoliciosporum umbrinum (Ach.) Arnold - Vitikainen et al. (1997: 59)
- Silobia scabrida (Hedl. ex H. Magn.) M. Westb. & Wedin - Vitikainen et al. (1997: 6 as Acarospora scabrida)
- Silobia smaragdula (Wahlenb.) M. Westb. & Wedin - Vitikainen et al. (1997: 6 as Acarospora smaragdula)
- Siphula ceratites (Wahlenb.) Fr. - Vitikainen et al. (1997: 59)
- Solorina bispora Nyl. - Vitikainen et al. (1997: 59)
- Solorina crocea (L.) Ach. - Vitikainen et al. (1997: 59)
- Solorina octospora Arnold - Vitikainen et al. (1997: 59)
- Solorina saccata (L.) Ach. - Vitikainen et al. (1997: 59)
- Solorina spongiosa (Sm.) Anzi - Vitikainen et al. (1997: 59)
- Sphaerophorus fragilis (L.) Pers. - Vitikainen et al. (1997: 59)
- Sphaerophorus globosus (Huds.) Vain. - Vitikainen et al. (1997: 59)
- Spilonema paradoxum Bornet - Vitikainen et al. (1997: 59)
- Spilonema proboscideum Nyl. - Vitikainen et al. (1997: 59)
- Spilonema revertens Nyl. - Vitikainen et al. (1997: 59)
- Sporastatia polyspora (Nyl.) Grummann - Vitikainen et al. (1997: 59)
- Sporastatia testudinea (Ach.) A. Massal. - Vitikainen et al. (1997: 59)
- Staurothele areolata (Ach.) Lettau - Vitikainen et al. (1997: 60)
- Staurothele fissa (Taylor) Zwackh - Vitikainen et al. (1997: 60)
- Staurothele frustulenta Vain. - Vitikainen et al. (1997: 60)
- Staurothele fuscocuprea (Nyl.) Zschacke - Vitikainen et al. (1997: 60)
- Staurothele guestphalica (J. Lahm ex Körb.) Arnold - Pykälä (2008: 22)
- Staurothele rupifraga (A. Massal.) Arnold - Pykälä (2010: 58 First record 2009)
- Steinia geophana (Nyl.) Stein - Nylander (xx: xx as Lecidea geophana Type), Vitikainen et al. (1997: 60)
- Stereocaulon alpinum Laurer ex Funck var. alpinum - Vitikainen et al. (1997: 60)
- Stereocaulon alpinum Laurer ex Funck var. erectum Frey - Vitikainen et al. (1997: 60)
- Stereocaulon alpinum Laurer ex Funck var. gracilentum (Th. Fr.) H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon arcticum Lynge - Vitikainen et al. (1997: 60)
- Stereocaulon arenarium (Savicz) Lamb - Vitikainen et al. (1997: 60)
- Stereocaulon botryosum Ach. - Vitikainen et al. (1997: 60)
- Stereocaulon condensatum Hoffm. - Vitikainen et al. (1997: 60)
- Stereocaulon coniophyllum Lamb. - Vitikainen et al. (1997: 60)
- Stereocaulon cumulatum (Sommerf.) Timdal - Timdal (2002: 11)
- Stereocaulon dactylophyllum Flörke - Vitikainen et al. (1997: 60)
- Stereocaulon depressum (Frey) Lamb - Vitikainen et al. (1997: 60)
- Stereocaulon evolutum Graewe ex Th. Fr. - Vitikainen et al. (1997: 60)
- Stereocaulon farinaceum H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon glareosum (Savicz) H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon grande (H. Magn.) H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon incrustatum Flörke - Vitikainen et al. (1997: 60)
- Stereocaulon nanodes Tuck. - Vitikainen et al. (1997: 60)
- Stereocaulon paschale - Vitikainen et al. (1997: 60)
- Stereocaulon pileatum Ach. - Vitikainen et al. (1997: 60)
- Stereocaulon rivulorum H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon saxatile H. Magn. - Vitikainen et al. (1997: 60)
- Stereocaulon spathuliferum Vain. - Vitikainen et al. (1997: 60)
- Stereocaulon subcoralloides (Nyl.) Nyl. - Nylander (xx: xx as Stereocaulon paschale f. subcoralloides Type), Vitikainen et al. (1997: 60)
- Stereocaulon symphycheilum Lamb - Vitikainen et al. (1997: 61)
- Stereocaulom taeniarum (H. Magn.) Kivistö, ined. - Vitikainen et al. (1997: 61)
- Stereocaulon tomentosum Fr. - Vitikainen et al. (1997: 61)
- Stereocaulon vesuvianum Pers. - Vitikainen et al. (1997: 61)
- Strangospora deplanata (Almq.) Clauzade & Roux - Vitikainen et al. (1997: 61)
- Strangospora microhaema (Norman) R. A. Anderson - Vitikainen et al. (1997: 61)
- Strangospora moriformis (Ach.) Stein - Vitikainen et al. (1997: 61)
- Strangospora ochrophora (Nyl.) R. A. Anderson - Nylander (xx: xx as Lecidea ochrophora Type), Vitikainen et al. (1997: 61)
- Strangospora pinicola (A. Massal.) Körb. - Vitikainen et al. (1997: 61)
- Strangospora torvula Nyl. - Nylander (xx: xx as Lecidea torvula Type), Vitikainen et al. (1997: 61 ined.)
- Synalissa symphorea (Ach.) Nyl. - Vitikainen et al. (1997: 61)
- Tephromela aglaea (Sommerf.) Hertel & Rambold - Vitikainen et al. (1997: 61 as Tephromela aglaea)
- Tephromela atra (Huds.) Hafellner ex Kalb - Vitikainen et al. (1997: 61)
- Tephromela grumosa (Pers.) Haffellner & Roux - Vitikainen et al. (1997: 61)
- Tephromela koliensis (Räsänen) Rambold & Triebel - Räsänen (xx: xx as Nesolechia koliensis Type), Vitikainen et al. (1997: 61)
- Tephromela melaleuca (Sommerf.) Haugan & Timdal - Vitikainen et al. (1997: 61)
- Tephromela pertusarioides (Degel.) Hafellner & Roux - Vitikainen et al. (1997: 61)
- Thamnolia vermicularis (Sw.) Schaer. - Vitikainen et al. (1997: 61)
- Thelenella modesta (Nyl.) Nyl. - Vitikainen et al. (1997: 61)
- Thelenella pertusariella (Nyl.) Vain. - Vitikainen et al. (1997: 61)
- Thelidium austriacum Zschacke - Pykälä (2008: 22)
- Thelidium decipiens (Nyl.) Kremp. - Vitikainen et al. (1997: 62)
- Thelidium incinctum (Vain.) Vain. - Vainio (xx: xx as Verrucaria pyrenophora var. incincta Type), Vitikainen et al. (1997: 62)
- Thelidium larianum A. Massal. - Pykälä (2010: 58 First record 2009)
- Thelidium methorium (Nyl.) Hellb. - Pykälä (2010: 59 First record 2009)
- Thelidium microstictum Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 62)
- Thelidium miniatum (A. Massal.) Arnold - Vitikainen et al. (1997: 62)
- Thelidium minutulum Körb. - Vitikainen et al. (1997: 62)
- Thelidium olivaceonitens Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 62)
- Thelidium parvulum Arnold - Pykälä (2008: 23)
- Thelidium umbrosum xxx - Pykälä (2010: 59 First record 2009)
- Thelignya lignyota (Wahlenb.) P. M. Jørg. & Henssen - Vitikainen et al. (1997: 62)
- Thelocarpon depressellum Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 62)
- Thelocarpon epibolum var. epibolum - Vitikainen et al. (1997: 62)
- Thelocarpon epibolum var. epithallinum (Leight.) G. Salisb. - Vitikainen et al. (1997: 62)
- Thelocarpon impressellum Nyl. - Nylander (xx: xx as Ahlesia impressella Type), Vitikainen et al. (1997: 62)
- Thelocarpon intermediellum Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 62)
- Thelocarpon laureri (Flot.) Nyl. - Vitikainen et al. (1997: 62)
- Thelocarpon lichenicola (Fuckel) Poelt & Hafellner - Fuckel (xx: xx as Ahlesia lichenicola Type), Vitikainen et al. (1997: 62)
- Thelocarpon superellum Nyl. - Vitikainen et al. (1997: 62)
- Thelomma ocellatum (Körb.) Tibell - Vitikainen et al. (1997: 62)
- Thelopsis melathelia Nyl. - Vitikainen et al. (1997: 62)
- Thelotrema lepadinum (Ach.) Ach. - Vitikainen et al. (1997: 62)
- Thrombium epigaeum (Pers.) Wallr. - Vitikainen et al. (1997: 62)
- Toninia alutacea (Anzi) Jatta - Vitikainen et al. (1997: 62)
- Toninia aromatica (Sm.) A. Massal. - Vitikainen et al. (1997: 62)
- Toninia athallina (Hepp) Timdal - Vitikainen et al. (1997: 62)
- Toninia cumulata (Sommerf.) Th. Fr. - Vitikainen et al. (1997: 62)
- Toninia physaroides (Opiz) Zahlbr. - Vitikainen et al. (1997: 62)
- Toninia rosulata (Anzi) H. Olivier - Vitikainen et al. (1997: 62)
- Toninia squalida (Ach.) A. Massal. - Vitikainen et al. (1997: 62)
- Trapelia coarcta (Sm.) M. Choisy - Vitikainen et al. (1997: 63)
- Trapelia involuta (Taylor) Hertel - Vitikainen et al. (1997: 63)
- Trapelia obtegens (Th. Fr.) Hertel - Vitikainen et al. (1997: 63)
- Trapelia placodioides Coppins & P. James - Vitikainen et al. (1997: 63)
- Trapeliopsis flexuosa (Fr.) Coppins & P. James - Vitikainen et al. (1997: 63)
- Trapeliopsis gelatinosa (Flörke) Coppins & P. James - Vitikainen et al. (1997: 63)
- Trapeliopsis glaucolepidea (Nyl.) Gotth. Schneid. - Vitikainen et al. (1997: 63)
- Trapeliopsis granulosa (Hoffm.) Lumbsch - Vitikainen et al. (1997: 63)
- Trapeliopsis pseudogranulosa Coppins & P. James - Vitikainen et al. (1997: 63)
- Trapeliopsis viridescens (Schrad.) Coppins & P. James - Vitikainen et al. (1997: 63)
- Tremolecia atrata (Ach.) Hertel - Vitikainen et al. (1997: 63)
- Tuckermannopsis chlorophylla (Willd.) Hale - Vitikainen et al. (1997: 63)
- Tuckermannopsis ciliaris (Ach.) Gyeln. - Vitikainen et al. (1997: 63)
- Umbilicaria arctica (Ach.) Nyl. - Vitikainen et al. (1997: 63)
- Umbilicaria crustulosa (Ach.) Frey - Vitikainen et al. (1997: 63)
- Umbilicaria cylindrica var. cylindrica - Vitikainen et al. (1997: 63)
- Umbilicaria decussata (Vill.) Zahlbr. - Vitikainen et al. (1997: 63)
- Umbilicaria deusta (L.) Baumg. - Vitikainen et al. (1997: 63)
- Umbilicaria grisea Hoffm. - Vitikainen et al. (1997: 63)
- Umbilicaria havaasii Llano - Vitikainen et al. (1997: 64)
- Umbilicaria hirsuta (Westr.) Hoffm. - Vitikainen et al. (1997: 64)
- Umbilicaria hyperborea var. hyperborea - Vitikainen et al. (1997: 64)
- Umbilicaria hyperborea var. radicicula (J. E. Zetterst.) Hasselrot - Vitikainen et al. (1997: 64)
- Umbilicaria leiocarpa DC. - Vitikainen et al. (1997: 64)
- Umbilicaria lyngei Schol. - Vitikainen et al. (1997: 64)
- Umbilicaria nylanderiana (Zahlbr.) H. Magn. - Vitikainen et al. (1997: 64)
- Umbilicaria polyphylla (L.) Baumg. - Vitikainen et al. (1997: 64)
- Umbilicaria polyrrhiza (L.) Fr. - Vitikainen et al. (1997: 64)
- Umbilicaria proboscidea (L.) Schrad. - Vitikainen et al. (1997: 64)
- Umbilicaria rigida (Du Rietz) Frey - Vitikainen et al. (1997: 64)
- Umbilicaria spodochroa (Ach.) Hoffm. - Vitikainen et al. (1997: 64)
- Umbilicaria torrefacta (Lightf.) Schrad. - Vitikainen et al. (1997: 64)
- Umbilicaria vellea (L.) Hoffm. - Vitikainen et al. (1997: 64), Feige & Lumbsch (2003: 11)
- Umbilicaria virginis Schaer. - Vitikainen et al. (1997: 64)
- Usnea barbata (L.) F. H. Wigg. - Vitikainen et al. (1997: 64)
- Usnea chaetophora Stirt. - Vitikainen et al. (1997: 64)
- Usnea diplotypus Vain. - Vitikainen et al. (1997: 64)
- Usnea filipendula Stirt. - Vitikainen et al. (1997: 64)
- Usnea fulvoreagens (Räsänen) Räsänen - Vitikainen et al. (1997: 64)
- Usnea glabrata (Ach.) Vain. - Vitikainen et al. (1997: 64)
- Usnea glabrescens (Vain.) Vain. - Vitikainen et al. (1997: 65)
- Usnea hirta (L.) F. H. Wigg. - Vitikainen et al. (1997: 65)
- Usnea lapponica Vain. - Vitikainen et al. (1997: 65)
- Usnea longissima Ach. - Halonen (1997: 54), Vitikainen et al. (1997: 65)
- Usnea subfloridana Stirt. - Vitikainen et al. (1997: 65)
- Usnea substerilis Motyka - Vitikainen et al. (1997: 65)
- Usnea wasmuthii Räsänen - Vitikainen et al. (1997: 65)
- Varicellaria rhodocarpa (Körb.) Th. Fr. - Vitikainen et al. (1997: 65)
- Verrucaria acrotella Ach. - Vitikainen et al. (1997: 65)
- Verrucaria aethiobola Wahlenb. - Vitikainen et al. (1997: 65)
- Verrucaria andesiatica Servít - Pykälä (2010: 59 First record 2009)
- Verrucaria anziana Garov. - Pykälä (2010: 59 First record 2009)
- Verrucaria apomelaena (A. Massal.) Hepp - Pykälä (2008: 23)
- Verrucaria bryoctona (Th. Fr.) Orange - Vitikainen et al. (1997: 65)
- Verrucaria caesiopsila Anzi - Vitikainen et al. (1997: 65)
- Verrucaria calciseda DC. - Vitikainen et al. (1997: 65)
- Verrucaria cataleptoides (Nyl.) Nyl. - Vitikainen et al. (1997: 65)
- Verrucaria ceuthocarpa Wahlenb. - Vitikainen et al. (1997: 65)
- Verrucaria cinereolurida Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 65)
- Verrucaria deversa Vain. - Vitikainen et al. (1997: 65)
- Verrucaria dolomitica (A. Massal.) Kremp. - Pykälä (2010: 60 First record 2009)
- Verrucaria epilithea Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 65)
- Verrucaria fuscella (Turner) Winch - Vitikainen et al. (1997: 65)
- Verrucaria fuscolurida Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 65)
- Verrucaria glaucina auct. - Vitikainen et al. (1997: 65)
- Verrucaria glaucovirens Grummann - Vitikainen et al. (1997: 65)
- Verrucaria grossa Nyl. - Pykälä (2010: 60 First record 2009)
- Verrucaria halizoa Leight. - Vitikainen et al. (1997: 65)
- Verrucaria hegetschweileri Körb. - Pykälä (2008: 23)
- Verrucaria helsingiensis Vain. - Vaino (xx: xx Type), Vitikainen et al. (1997: 65)
- Verrucaria infumata xxx - Pykälä (2008: 24)
- Verrucaria integra (Nyl.) Nyl. - Vitikainen et al. (1997: 65)
- Verrucaria internigrescens (Nyl.) Erichsen - Vitikainen et al. (1997: 65)
- Verrucaria laevata auct. - Vitikainen et al. (1997: 65)
- Verrucaria latebrosa Körb. - Vitikainen et al. (1997: 65)
- Verrucaria leightonii Hepp - Vitikainen et al. (1997: 65)
- Verrucaria margacea (Wahlenb.) Wahlenb. - Vitikainen et al. (1997: 65)
- Verrucaria maura Wahlenb. - Vitikainen et al. (1997: 66)
- Verrucaria muralis Ach. - Vitikainen et al. (1997: 66)
- Verrucaria nigrescens Pers. - Vitikainen et al. (1997: 66)
- Verrucaria pachyderma xxx - Pykälä (2008: 24)
- Verrucaria parvulum Arnold - Pykälä (2008: 23)
- Verrucaria polystictoides Vain. - Vaino (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria pycnosticta Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria rheithrophila Zschacke - Vitikainen et al. (1997: 66)
- Verrucaria saepincola Vain. - Pykälä (2008: 24)
- Verrucaria sorbinea Breuss - Pykälä (2008: 25)
- Verrucaria subfossans Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria subfuliginea Vain. - Vainio (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria submuralis Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria subviridula Nyl. - Vitikainen et al. (1997: 66)
- Verrucaria tornensis xxx - Pykälä (2010: 60 First record 2009)
- Verrucaria trabalis Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria umbrinula Nyl. - Nylander (xx: xx Type), Vitikainen et al. (1997: 66)
- Verrucaria xyloxena Norman - Vitikainen et al. (1997: 66)
- Vestergrenopsis isidiata (Degel.) E. Dahl - Vitikainen et al. (1997: 66)
- Vulpicida juniperina (L.) J.-E. Mattsson & M. J. Lai - Vitikainen et al. (1997: 66)
- Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Vitikainen et al. (1997: 66)
- Vulpicida tubulosa (Schaer.) J.-E. Mattsson & M. J. Lai - Vitikainen et al. (1997: 66)
- Xanthoparmelia conspersa (Ach.) Hale - Vitikainen et al. (1997: 66)
- Xanthoparmelia loxodes (Nyl.) O. Blanco et al. - Vitikainen et al. (1997: 43 as Neofuscelia loxodes)
- Xanthoparmelia mougeotii (Schaer. ex Dietrich) Hale - Vitikainen et al. (1997: 66)
- Xanthoparmelia pulla (Ach.) O. Blanco et al. - Vitikainen et al. (1997: 43 as Neofuscelia pulla)
- Xanthoparmelia somloensis (Gyeln.) Hale - Vitikainen et al. (1997: 66)
- Xanthoparmelia verruculifera (Nyl.) O. Blanco et al. - Vitikainen et al. (1997: 43 as Neofuscelia verruculifera)
- Xanthoria borealis R. Sant. & Poelt - Vitikainen et al. (1997: 66)
- Xanthoria candelaria (L.) Th. Fr. - Vitikainen et al. (1997: 66)
- Xanthoria elegans (Link) Th. Fr. - Vitikainen et al. (1997: 67)
- Xanthoria fulva (Hoffm.) Poelt & Petutschnig - Vitikainen et al. (1997: 67)
- Xanthoria parietina (L.) Th. Fr. - Vitikainen et al. (1997: 67)
- Xanthoria polycarpa (Hoffm.) Rieber - Vitikainen et al. (1997: 67)
- Xanthoria sorediata (Vain.) Poelt - Vitikainen et al. (1997: 67)
- Xylographa opegraphella Nyl. ex Rothr. - Vitikainen et al. (1997: 67)
- Xylographa parallela (Ach.: Fr.) Behlen & Desberg - Vitikainen et al. (1997: 67)
- Xylographa trunciseda (Th. Fr.) Minks - Vitikainen et al. (1997: 67)
- Xylographa vitiligo (Ach.) J. R. Laundon - Vitikainen et al. (1997: 67)
- Xyloschistes platytropa (Nyl.) Vain. - Nylander (xx: xx as Xylographa platytropa Type), Vitikainen et al. (1997: 67)