Checklist of lichens of Nunavut (Canada)
Version 31 December 2018
- Acarospora glaucocarpa (Wahlenb. ex Ach.) Körb. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 393)
- Acarospora sinopica (Wahlenb. in Ach.) Körb. - Thomson & Weber (1992: 393)
- Adelolecia pilati (Hepp) Hertel & Hafellner - Thomson & Weber (1992: 393)
- Agonimia gelatinosa (Ach.) Th. Fr. - Barrett & Thomson (1975: 163 as Polyblastia gelatinosa)
- Alectoria nigricans (Ach.) Nyl. - Barrett & Thomson (1975: 163), Thomson & Weber (1992: 393), Gould (1994: 44)
- Alectoria ochroleuca (Hoffm.) A. Massal. - Barrett & Thomson (1975: 163), Thomson & Weber (1992: 393), Gould (1994: 44)
- Alectoria vexillifera (Nyl.) Stizenb. - Thomson & Weber (1992: 394)
- Allantoparmelia almquistii (Vain.) Essl. - Thomson & Weber (1992: 394)
- Allantoparmelia alpicola (Th. Fr.) Essl. - Thomson & Weber (1992: 394)
- Allocetraria madreporiformis (Ach.) Tuck. - Thomson & Weber (1992: 397 as Dactylina madreporiformis), Gould (1994: 45 as Dactylina madreporiformis)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Thomson & Weber (1992: 395 as Buellia punctata incl. f. muscicola Hepp ex Körb.)
- Amygdalaria panaeola (Ach.) Hertel & Brodo - Thomson & Weber (1992: 394)
- Anaptychia crinalis (Schaer.) Vezda - Thomson & Weber (1992: 394 erroneously as Anaptychia setifera)
- Arctomia interfixa (Nyl.) Vain. - Thomson & Weber (1992: 394)
- Arctocetraria andrejevii (Oxner) Kärnefelt & A. Thell - Gould (1994: 44 as Cetraria andrejevii)
- Arctocetraria nigricascens (Nyl. in Kihlman) Elenkin - Thomson & Weber (1992: 396 as Cetraria nigricascens), Gould (1994: 45 as Cetraria nigricascens), Thell et al. (2002: 286 ITS)
- Arctoparmelia centrifuga (L.) Hale - Barrett & Thomson (1975: 162 as Parmelia centrifuga), Thomson & Weber (1992: 394), Gould (1994: 44)
- Arctoparmelia incurva (Pers.) Hale - Barrett & Thomson (1975: 162 as Parmelia incurva), Thomson & Weber (1992: 394), Gould (1994: 44)
- Arctoparmelia separata (Th. Fr.) Hale - Barrett & Thomson (1975: 163 as Parmelia separata), Thomson & Weber (1992: 394), Gould (1994: 44)
- Arctoparmelia subcentrifuga (Oxner) Hale - Gould (1994: 44)
- Arthonia atomaria (Lynge) Kilias - Thomson & Weber (1992: 394) akzeptiert von Esslinger Version 20, Nom. illeg. fide IF überprüfen
- Arthrorhaphis alpina (Schaer.) R. Sant. - Thomson & Weber (1992: 394)
- Asahinea chrysantha (Tuck.) W. L. Culb. & C. F. Culb. - Thomson & Weber (1992: 394), Gould (1994: 44)
- Asahinea scholanderi (Llano) W. L. Culb. & C. F. Culb. - Gould (1994: 44)
- Aspicilia aliena (Zahlbr.) Oxner - Thomson & Weber (1992: 394)
- Aspicilia anseris (Lynge) J.W. Thomson - Thomson & Weber (1992: 394)
- Aspicilia candida (Anzi) Hue - Thomson & Weber (1992: 394)
- Aspicilia cinerea (L.) Körb. - Thomson & Weber (1992: 394)
- Aspicilia disserpens (Zahlbr.) Räsänen - Thomson & Weber (1992: 394)
- Aspicilia nikrapensis Darb. - Barrett & Thomson (1975: 162 as Lecanora candida var. nikrapensis)
- Aspicilia perradiata (Nyl.) Hue - Thomson & Weber (1992: 394)
- Aspicilia plicigera (Zahlbr.) Räsänen - Thomson & Weber (1992: 394)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Barrett & Thomson (1975: 163 as Caloplaca holocarpa), Thomson & Weber (1992: 395 as Caloplaca holocarpa)
- Athallia saxifragarum (Poelt) Arup, Frödén & Søchting - Thomson & Weber (1992: 395 as Caloplaca saxifragarum)
- Bacidia bagliettoana (A. Massal. & De Not.) Jatta - Barrett & Thomson (1975: 161), Thomson & Weber (1992: 394)
- Bacidia coprodes (Körb.) Lettau - Thomson & Weber (1992: 394 erroneously as Bacidia trachona)
- Bacidia herbarum (Stizenb.) Arnold - Thomson & Weber (1992: 394)
- Baeomyces carneus (Retz.) Flörke - Barrett & Thomson (1975: 162)
- Baeomyces rufus (Huds.) Rebent. - Thomson & Weber (1992: 394)
- Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux - Thomson & Weber (1992: 394)
- Biatora cuprea (Sommerf.) Fr. - Thomson & Weber (1992: 398 as Lecidea cuprea)
- Biatora vernalis (L.) Fr. - Barrett & Thomson (1975: 162 as Lecidea vernalis), Thomson & Weber (1992: 395)
- Bilimbia lobulata (Sommerf.) Hafellner & Coppins - Barrett & Thomson (1975: 162 as Toninia lobulata)
- Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Barrett & Thomson (1975: 163 as Caloplaca cinnamomea), Thomson & Weber (1992: 395 as Caloplaca ammiospila)
- Blennothallia crispa (Weber ex F.H. Wigg.) Otálora, P.M. Jørg. & Wedin - Gould (1994: 45 as Collema crispum)
- Brodoa oroarctica (Krog) Goward - Thomson & Weber (1992: 395), Gould (1994: 45 as Hypogymnia oroarctica)
- Bryobilimbia diapensiae (Th. Fr.) Fryday, Printzen & S. Ekman - Thomson & Weber (1992: 398 as Lecidea diapensiae)
- Bryobilimbia hypnorum (Lib.) Fryday, Printzen & S. Ekman - Thomson & Weber (1992: 398 as Lecidea hypnorum)
- Bryocaulon divergens (Ach.) Kärnef. - Barrett & Thomson (1975: 163 as Cornicularia divergens), Thomson & Weber (1992: 395), Gould (1994: 44)
- Bryonora castanea (Hepp) Poelt - Barrett & Thomson (1975: 162 as Lecanora castanea), Thomson & Weber (1992: 395)
- Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Barrett & Thomson (1975: 163 as Caloplaca jungermanniae), Thomson & Weber (1992: 395 as Caloplaca jungermanniae)
- Bryoplaca sinapisperma (Lam. & DC.) Søchting, Frödén & Arup - Thomson & Weber (1992: 395 as Caloplaca sinapisperma)
- Bryoplaca tetraspora (Nyl.) Oliv. - Barrett & Thomson (1975: 163 as Caloplaca tetraspora), Thomson & Weber (1992: 395 as Caloplaca tetraspora)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Barrett & Thomson (1975: 163 as Alectoria chalybeiformis), Thomson & Weber (1992: 395), Gould (1994: 44)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Gould (1994: 44), Gould (1994: 44 as Bryoria lanestris)
- Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw. - Gould (1994: 44 Northernmost locality in North America)
- Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Barrett & Thomson (1975: 163 as Alectoria nitidula), Thomson & Weber (1992: 395), Gould (1994: 44)
- Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Gould (1994: 44)
- Bryoria tenuis (Å.E. Dahl) Brodo & D. Hawksw. - Barrett & Thomson (1975: 163 as Alectoria tenuis), Thomson & Weber (1992: 395), Gould (1994: 44)
- Caloplaca celata Th. Fr. - Thomson & Weber (1992: 395)
- Caloplaca cerina (Ehrh. ex Hedwig) Th. Fr. - Carmer (1975: 51), Thomson & Weber (1992: 395)
- Caloplaca diphyodes (Nyl.) Jatta - Thomson & Weber (1992: 398 as Lecania arctica)
- Caloplaca fraudans (Th. Fr.) H. Olivier - Thomson & Weber (1992: 395)
- Caloplaca stillicidiorum (Vahl) Lynge - Barrett & Thomson (1975: 163), Thomson & Weber (1992: 395)
- Calvitimela armeniaca (DC.) Hafellner - Barrett & Thomson (1975: 161 as Lecidea armeniaca)
- Candelariella arctica (Körb.) R. Sant. - Barrett & Thomson (1975: 162)
- Candelariella aurella (Hoffm.) Zahlbr. - Thomson & Weber (1992: 395)
- Candelariella canadensis H. Magn. - Hakulinen (1954: 49 as Candelariella hudsonica Type), Barrett & Thomson (1975: 162 erroneously as Candelariella terrigena), Thomson & Weber (1992: 395 erroneously as Candelariella terrigena), Westberg (2010: 121)
- Candelariella placodizans (Nyl.) H. Magn. - Thomson & Weber (1992: 395)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Thomson & Weber (1992: 395)
- Carbonea vorticosa (Flörke) Hertel - Barrett & Thomson (1975: 162 as Lecidea vorticosa)
- Catapyrenium cinereum (Pers.) Körb. - Thomson & Weber (1992: 395)
- Cephalophysis leucospila (Anzi) H. Kilias & Scheid. - Thomson & Weber (1992: 396)
- Cetraria aculeata (Schreb.) Fr. - Barrett & Thomson (1975: 163 as Cornicularia aculeata), Thomson & Weber (1992: 396 as Coelocaulon aculeatum), Gould (1994: 45 as Coelocaulon aculeatum)
- Cetraria ericetorum Opiz subsp. ericetorum - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396)
- Cetraria ericetorum Opiz subsp. reticulata (Räsänen) Kärnefelt - Gould (1994: 45 as Cetraria ericetorum var. reticulata)
- Cetraria islandica (L.) Ach. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cetraria laevigata Rass. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cetraria muricata (Ach.) Eckfeldt - Barrett & Thomson (1975: 163 as Cornicularia muricata)
- Cetraria nigricans Nyl. - Thomson & Weber (1992: 396), Gould (1994: 45), Thell et al. (2002: 286 DNA: ITS)
- Cetrariella commixta (Nyl.) A. Thell & Kärnefelt - Gould (1994: 44 as Cetraria commixta)
- Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Barrett & Thomson (1975: 162 as Cetraria delisei), Thomson & Weber (1992: 396 as Cetraria delisei), Gould (1994: 44 as Cetraria delisei)
- Cetrariella fastigiata (Del. ex Nyl. in Norrlin) Kärnef. - Gould (1994: 45 as Cetraria fastigiata)
- Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, Savic & Tibell - Thomson & Weber (1992: 394 as Aspicilia caesiocinerea)
- Cladonia acuminata (Ach.) Norrl. - Gould (1994: 45)
- Cladonia alaskana A. Evans - Gould (1994: 45)
- Cladonia amaurocraea (Flörke) Schaer. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia arbuscula (Wallr.) Flot. subsp. arbuscula - Thomson & Weber (1992: 396 as Cladina arbuscula), Gould (1994: 45 as Cladina arbuscula)
- Cladonia arbuscula
(Wallr.) Flot. subsp. mitis (Sandst.) Ruoss - Barrett & Thomson (1975: 162 as Cladonia mitis), Thomson & Weber (1992: 396 as Cladina mitis), Gould (1994: 45 as Cladina mitis)
- Cladonia bellidiflora
(Ach.) Schaer. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia cariosa (Ach.) Sprengel - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia carneola (Fr.) Fr. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia cenotea (Ach.) Schaer. - Gould (1994: 45)
- Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel - Gould (1994: 45)
- Cladonia coccifera (L.) Willd. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia cornuta (L.) Hoffm. subsp. cornuta - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia cryptochlorophaea Asahina - Gould (1994: 45)
- Cladonia cyanipes (Sommerf.) Nyl. - Gould (1994: 45)
- Cladonia deformis (L.) Hoffm. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia digitata (L.) Hoffm. - Gould (1994: 45)
- Cladonia ecmocyna Leight. subsp. ecmocyna - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia fimbriata (L.) Fr. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia gracilis (L.) Willd. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia grayi G. K. Merr. - Gould (1994: 45)
- Cladonia kanewskii Oxner - Ahti & Brodo (1981: 240)
- Cladonia macrophylla (Schaer.) Stenh. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia macrophyllodes Nyl. - Gould (1994: 45)
- Cladonia maxima (Asahina) Ahti - Gould (1994: 45)
- Cladonia merochlorophaea Asahina - Gould (1994: 45)
- Cladonia pleurota (Flörke) Schaer. - Gould (1994: 45)
- Cladonia pocillum (Ach.) O. Rich. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia pyxidata (L.) Hoffm. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia rangiferina (L.) Nyl. - Thomson & Weber (1992: 396 as Cladina rangiferina), Gould (1994: 45 as Cladina rangiferina)
- Cladonia scabriuscula (Delise in Duby) Nyl. - Gould (1994: 45)
- Cladonia squamosa (Scop.) Hoffm. - Gould (1994: 45)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Thomson & Weber (1992: 396 as Cladina stellaris), Gould (1994: 45 as Cladina stellaris)
- Cladonia straminea xxx - , Gould (1994: 45 as Cladonia metacorallifera)
- Cladonia stricta (Nyl.) Nyl. - Thomson & Weber (1992: 396), Gould (1994: 45)
- Cladonia stygia (Fr.) Ruoss - Gould (1994: 45 as Cladina stygia)
- Cladonia subfurcata (Nyl.) Arnold - Gould (1994: 45)
- Cladonia sulphurina (Michx.) Fr. - Gould (1994: 45)
- Cladonia symphycarpa (Ach.) Fr. - Gould (1994: 45)
- Cladonia trassii Ahti - Barrett & Thomson (1975: 162 erroneously Cladonia lepidota)
- Cladonia uncialis (L.) Weber ex Wigg. - Gould (1994: 45)
- Cladonia verticillata (Hoffm.) Schaer. - Gould (1994: 45)
- Clauzadea monticola (Ach. in Schaer.) Hafellner & Bellem. - Thomson & Weber (1992: 396)
- Collema glebulentum (Nyl. ex Crombie) Degel. - Thomson & Weber (1992: 397), Gould (1994: 45)
- Dactylina arctica (Hook. f.) Nyl. - Barrett & Thomson (1975: 163), Thomson & Weber (1992: 397), Gould (1994: 45)
- Dactylina beringica C. D. Bird & J. W. Thomson - Gould (1994: 45)
- Dactylina ramulosa (Hook.) Tuck. - Barrett & Thomson (1975: 163), Thomson & Weber (1992: 397), Gould (1994: 45)
- Dermatocarpon rivulorum (Arnold) Dalla Torre & Sarnth. - Gould (1994: 45)
- Dimelaena oreina (Ach.) Norman - Thomson & Weber (1992: 397)
- Diplotomma alboatra (Hoffm.) Flot. - Thomson & Weber (1992: 397)
- Diplotomma nivalis (Bagl. & Car.) Hertel ex Hafellner - Thomson & Weber (1992: 395 as Buellia nivalis)
- Enchylium tenax (A. Massal.) Degel. - Thomson & Weber (1992: 397 as Collema tenax var. crustaceum), Gould (1994: 45 as Collema tenax)
- Endocarpon tortuosum Herre - Gould (1994: 45)
- Ephebe hispidula (Ach.) Horw. - Thomson & Weber (1992: 397), Gould (1994: 45)
- Ephebe lanata (L.) Vain. - Gould (1994: 45)
- Euopsis pulvinata (Schaer.) Nyl. - Barrett & Thomson (1975: 161 as Pyrenopsis pulvinata)
- Evernia mesomorpha Nyl. - Gould (1994: 45)
- Evernia perfragilis Llano - Thomson & Weber (1992: 397), Gould (1994: 45)
- Farnoldia hypocrita (A. Massal.) Frøberg - Thomson & Weber (1992: 398 as Lecidea hypocrita)
- Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Barrett & Thomson (1975: 162 as Cetraria cucullata), Thomson & Weber (1992: 396 as Cetraria cucullata), Gould (1994: 44 as Cetraria cucullata)
- Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Barrett & Thomson (1975: 162 as Cetraria nivalis), Thomson & Weber (1992: 396 as Cetraria nivalis), Gould (1994: 45 as Cetraria nivalis)
- Fuscidea mollis (Wahlenb.) Wirth & Vezda - Thomson & Weber (1992: 397)
- Fuscopannaria praetermissa (Nyl.) P. James - Barrett & Thomson (1975: 161 as Parmeliella praetermissa)
- Gyalecta foveolaris (Ach.) Schaer. - Barrett & Thomson (1975: 161), Thomson & Weber (1992: 397)
- Gyalecta geoica (Wahlenb. ex Ach.) Ach. - Thomson & Weber (1992: 397)
- Gyalecta peziza (Mont.) Anzi - Barrett & Thomson (1975: 161)
- Gyalolechia bracteata (Hoffm.) A. Massal. subsp. bracteata - Barrett & Thomson (1975: 163 as Fulgensia bracteata), Thomson & Weber (1992: 397 as Fulgensia bracteata)
- Gyalolechia xanthostigmoidea (Räsänen) Søchting, Frödén & Arup - Zhurbenko & Daniels (2003: 100 as Caloplaca xanthostigmoidea)
- Gypsoplaca macrophylla (Zahlbr.) Timdal - Zhurbenko & Daniels (2003: 101)
- Halecania alpivaga (Th. Fr.) M. Mayrh. - Thomson & Weber (1992: 397)
- Helocarpon crassipes Th. Fr. - Barrett & Thomson (1975: 161 as Lecidea crassipes)
- Hypogymnia austerodes (Nyl.) Räsänen - Thomson & Weber (1992: 397), Gould (1994: 45)
- Hypogymnia bitteri (Lynge) Ahti - Gould (1994: 45)
- Hypogymnia physodes (L.) W. Wats. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 397), Gould (1994: 45)
- Hypogymnia subobscura (Vain.) Poelt - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 397), Gould (1994: 45)
- Hypogymnia vittata (Ach.) Parr - Thomson & Weber (1992: 397)
- Hymenelia epulotica (Ach.) Blomb. & Forss. - Thomson & Weber (1992: 398 as Ionaspis epulotica)
- Hymenelia arctica (Lynge) Lutzoni - Barrett & Thomson (1975: 162 as Ionaspis epulotica var. arctica)
- Hymenelia melanocarpa (Kremp.) Arnold - Thomson & Weber (1992: 398 as Ionaspis melanocarpa)
- Hymenelia heteromorpha (Kremp.) Lutzoni - Thomson & Weber (1992: 398 as Ionaspis schismatopis)
- Ionaspis lacustris (With.) Lutzoni - Thomson & Weber (1992: 397 as Hymenelia lacustris)
- Ionaspis suaveolens (Fr.) Th. Fr. ex Stein - Thomson & Weber (1992: 398)
- Lasallia pensylvanica (Hoffm.) Llano - Gould (1994: 45)
- Lathagrium undulatum (Laurer ex Flot.) Poetsch - Barrett & Thomson (1975: 161 as Collema undulatum)
- Lecania erysibe (Ach.) Mudd - Thomson & Weber (1992: 398)
- Lecanora allophana (Ach.) Nyl. - Thomson & Weber (1992: 398)
- Lecanora argopholis (Ach.) Ach. - Thomson & Weber (1992: 398)
- Lecanora beringii Nyl. - Barrett & Thomson (1975: 162)
- Lecanora cenisia Ach. - Thomson & Weber (1992: 398)
- Lecanora contractula Nyl. - Thomson & Weber (1992: 398)
- Lecanora dispersa (Pers.) Somm. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 398)
- Lecanora epibryon (Ach.) Ach. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 398)
- Lecanora geophila (Th. Fr.) Poelt - Zhurbenko & Daniels (2003: 101)
- Lecanora hagenii (Ach.) Ach. - Thomson & Weber (1992: 398)
- Lecanora intricata (Schrad.) Ach. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 398)
- Lecanora luteovernalis Brodo - Thomson & Weber (1992: 398)
- Lecanora marginata (Schaer.) Hertel & Rambold - Barrett & Thomson (1975: 162 as Lecidea purissima), Thomson & Weber (1992: 398)
- Lecanora nordenskioeldii Vain. - Thomson & Weber (1992: 398)
- Lecanora polytropa (Ehrh.) Rabenh. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 398)
- Lecanora proserpens Nyl. - Barrett & Thomson (1975: 162)
- Lecanora rupicola (L.) Zahlbr. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 398)
- Lecanora urceolaria (Fr.) Wetm. - Barrett & Thomson (1975: 162)
- Lecanora zosterae (Ach.) Nyl. var. zosterae - Thomson & Weber (1992: 398)
- Lecidea alpestris Sommerf. - Thomson & Weber (1992: 398)
- Lecidea atrobrunnea (Ramond in Lam. & DC.) Schaer. - Thomson & Weber (1992: 398)
- Lecidea auriculata Th. Fr. - Barrett & Thomson (1975: 161), Thomson & Weber (1992: 398)
- Lecidea confluens (Weber) Ach. - Thomson & Weber (1992: 398)
- Lecidea ementiens Nyl. - Thomson & Weber (1992: 398)
- Lecidea lapicida (Ach.) Ach. - Barrett & Thomson (1975: 161), Thomson & Weber (1992: 398 as Lecidea lactea), Thomson & Weber (1992: 398)
- Lecidea lapicida (Ach.) Ach. var. pantherina Ach. - Barrett & Thomson (1975: 162 as Lecidea pantherina)
- Lecidea ramulosa Th. Fr. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 399)
- Lecidea tessellata (Ach.) Flörke - Barrett & Thomson (1975: 162 as Lecidea tessellata), Thomson & Weber (1992: 399 as Lecidea tessellata)
- Lecidea umbonata (Hepp) Mudd - Thomson & Weber (1992: 399 as Lecidea umbonata)
- Lecidella elaeochroma (Ach.) M. Choisy - Thomson & Weber (1992: 399)
- Lecidella euphorea (Flörke) Hertel - Thomson & Weber (1992: 399)
- Lecidella patavina (A. Massal.) Knoph & Leuckert in Knoph - Thomson & Weber (1992: 399 as Lecidella alaiensis), Thomson & Weber (1992: 399)
- Lecidella stigmatea (Ach.) Hert. & Leuck. - Barrett & Thomson (1975: 162 as Lecidea micacea), Barrett & Thomson (1975: 162), Thomson & Weber (1992: 399)
- Lecidella wulfenii (Hepp) Körb. - Barrett & Thomson (1975: 162) - Thomson & Weber (1992: 399)
- Lecidoma demissum (Rutstr.) Gotth. Schneider - Thomson & Weber (1992: 399)
- Leciophysma finmarkicum Th. Fr. - Barrett & Thomson (1975: 161), Thomson & Weber (1992: 399)
- Lempholemma cladodes (Tuck.) Zahlbr. - Thomson & Weber (1992: 399)
- Leproplaca cirrochroa (Ach.) Arup, Frödén & Søchting - Thomson & Weber (1992: 395 as Caloplaca cirrochroa)
- Lepraria neglecta (Nyl.) Lettau - Barrett & Thomson (1975: 163)
- Leptogium saturninum (Dicks.) Nyl. - Gould (1994: 45)
- Lichenomphalia hudsoniana (H. S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - Barrett & Thomson (1975: 163 as Coriscium viride)
- Lobaria linita (Ach.) Rabenh. - Gould (1994: 45)
- Lobothallia alphoplaca (Wahlenb. in Ach.) Hafellner - Thomson & Weber (1992: 394 as Aspicilia alphoplaca)
- Lopadium coralloideum (Nyl.) Lynge - Thomson & Weber (1992: 399)
- Lopadium pezizoideum (Ach.) Körb. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 399)
- Masonhalea richardsonii (Hook.) Kärnef. - Gould (1994: 45)
- Massalongia carnosa (Dicks.) Körb. - Thomson & Weber (1992: 399), Gould (1994: 45)
- Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Thomson & Weber (1992: 399)
- Melanelia hepatizon (Ach.) A. Thell - Gould (1994: 45 as Cetraria hepatizon)
- Melanelia stygia (L.) Essl. - Barrett & Thomson (1975: 163 as Parmelia stygia), Thomson & Weber (1992: 399), Gould (1994: 45)
- Melanohalea elegantula (Zahlbr.) O. Blanco et al. - Thomson & Weber (1992: 399 as Melanelia elegantula)
- Melanohalea exasperatula (Nyl.) O. Blanco et al. - Barrett & Thomson (1975: 162 as Parmelia exasperatula), Gould (1994: 45 as Melanelia exasperatula)
- Melanohalea infumata (Nyl.) O. Blanco et al. - Barrett & Thomson (1975: 162 as Parmelia infumata), Thomson & Weber (1992: 399 as Melanelia infumata), Gould (1994: 45 as Melanelia infumata)
- Melanohalea olivaceoides (Krog) xxx - Gould (1994: 45 as Melanelia olivaceoides)
- Melanohalea septentrionalis (Lynge) xxx - ,Gould (1994: 45 as Melanelia septentrionalis)
- Micarea assimilata (Nyl.) Coppins - Barrett & Thomson (1975: 161 as Lecidea assimilata), Thomson & Weber (1992: 399)
- Micarea incrassata Hedl. - Thomson & Weber (1992: 399)
- Micarea melaena (Nyl.) Hedl. - Thomson & Weber (1992: 399)
- Micarea ternaria (Nyl.) Vezda - Thomson & Weber (1992: 399)
- Miriquidica lulensis (Hellb.) Hertel & Rambold - Barrett & Thomson (1975: 162 as Lecidea lulensis), Thomson & Weber (1992: 399)
- Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Barrett & Thomson (1975: 162 as Parmelia disjuncta), Thomson & Weber (1992: 399 as Melanelia disjuncta), Gould (1994: 45 as Melanelia disjuncta)
- Montanelia panniformis (Nyl.) Divakar, A. Crespo, Wedin & Essl. - Thomson & Weber (1992: 399 as Melanelia panniformis), Gould (1994: 45 as Melanelia panniformis)
- Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Thomson & Weber (1992: 399 as Melanelia sorediata), Gould (1994: 45 as Melanelia sorediata)
- Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Gould (1994: 45 as Melanelia tominii)
- Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth in V. Wirth - Thomson & Weber (1992: 399)
- Mycoblastus alpinus (Fr.) Kernst. - Barrett & Thomson (1975: 162)
- Mycoblastus sanguinarius (L.) Norm. - Barrett & Thomson (1975: 162), Thomson & Weber (1992: 399)
- Nephroma arcticum (L.) Torss. - Gould (1994: 45)
- Nephroma expallidum (Nyl.) Nyl. - Barrett & Thomson (1975: 161), Gould (1994: 45)
- Nephtroma parile (Ach.) Ach. - Gould (1994: 45)
- Nodobryoria subdivergens (Å. E. Dahl) Common & Brodo - Barrett & Thomson (1975: 163 as Alectoria subdivergens)
- Ochrolechia androgyna (Hoffm.) Arnold - Barrett & Thomson (1975: 162)
- Ochrolechia frigida (Sw.) Lynge - Barrett & Thomson (1975: 162), Barrett & Thomson (1975: 162 as Ochrolechia gonatodes)
- Ochrolechia inaequatula (Nyl.) Zahlbr. - Barrett & Thomson (1975: 162)
- Ochrolechia upsaliensis (L.) A. Massal. - Barrett & Thomson (1975: 162)
- Ophioparma lapponica (Räsänen) Hafellner & R. W. Rogers - Barrett & Thomson (1975: 162 as Haematomma lapponicum)
- Orphniospora moriopsis (A. Massal.) D. Hawksw. - Barrett & Thomson (1975: 163 as Buellia atrata)
- Pachypeltis invadens (Lynge) Søchting, Frödén & Arup - Thomson & Weber (1992: 395 as Caloplaca invadens)
- Pannaria hookeri (Borr. ex Sm.) Nyl. - Barrett & Thomson (1975: 161)
- Parmelia fraudans (Nyl.) Nyl. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Parmelia omphalodes (L.) Ach. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Parmelia saxatilis (L.) Ach. - Barrett & Thomson (1975: 163), Gould (1994: 46)
- Parmelia sulcata Tayl. - Barrett & Thomson (1975: 163), Gould (1994: 46)
- Parmeliopsis ambigua (Wulfen in Jacq.) Nyl. - Gould (1994: 46)
- Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - Barrett & Thomson (1975: 163 as Caloplaca tiroliensis), Thomson & Weber (1992: 395 as Caloplaca tiroliensis)
- Peltigera aphthosa (L.) Willd. - Barrett & Thomson (1975: 161), Gould (1994: 46)
- Peltigera canina (L.) Willd. - Gould (1994: 46)
- Peltigera didactyla (With.) J. R. Laundon - Barrett & Thomson (1975: 161 as Peltigera canina f. sorediata), Gould (1994: 46)
- Peltigera lepidophora (Nyl. ex Vain.) Bitter - Gould (1994: 46)
- Peltigera leucophlebia (Nyl.) Gyeln. - Gould (1994: 46)
- Peltigera malacea (Ach.) Funck. - Barrett & Thomson (1975: 161), Gould (1994: 46)
- Peltigera membranacea (Ach.) Nyl. - Gould (1994: 46)
- Peltigera polydactylon (Necker) Hoffm. - Gould (1994: 46)
- Peltigera rufescens (Weiss) Humb. - Barrett & Thomson (1975: 161 as Peltigera canina var. rufescens), Gould (1994: 46)
- Peltigera scabrosa Th. Fr. - Barrett & Thomson (1975: 161 eronneously as Peltigera pulverulenta), Gould (1994: 46)
- Peltigera venosa (L.) Hoffm. - Gould (1994: 46)
- Pertusaria alaskensis Erichsen - Thomson (1997: 447)
- Pertusaria bryontha (Ach.) Nyl. - Barrett & Thomson (1975: 162)
- Pertusaria coriacea (Th. Fr.) Th. Fr. - Barrett & Thomson (1975: 162)
- Pertusaria dactylina (Ach.) Nyl. - Barrett & Thomson (1975: 162)
- Pertusaria geminipara (Th. Fr.) C. Knight ex Brodo - Barrett & Thomson (1975: 162 as Ochrolechia geminipara)
- Pertusaria glomerata (Ach.) Schaer. - Barrett & Thomson (1975: 162)
- Pertusaria octomela (Norm.) Erichsen - Barrett & Thomson (1975: 162)
- Pertusaria panyrga (Ach.) A. Massal. - Barrett & Thomson (1975: 162)
- Pertusaria subobducens Nyl. - Barrett & Thomson (1975: 162)
- Pertusaria trochiscea Norm. - Barrett & Thomson (1975: 162)
- Phaeophyscia constipata (Norrlin & Nyl.) Moberg - Barrett & Thomson (1975: 163 as Physcia constipata), Gould (1994: 46)
- Phaeophyscia sciastra (Ach.) Du Rietz - Barrett & Thomson (1975: 163 as Physcia sciastra), Gould (1994: 46)
- Phaeophyscia squarrosa Kashiwadani - Barrett & Thomson (1975: 163 as Physcia muscigena f. squarrosa)
- Phaeorrhiza nimbosa (Fr.) Th. Fr. - Barrett & Thomson (1975: 163 as Rinodina nimbosa)
- Physcia adscendens (Fr.) H. Olivier - Gould (1994: 46)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. var. aipolia - Gould (1994: 46)
- Physcia caesia (Hoffm.) Hampe - Barrett & Thomson (1975: 163), Gould (1994: 46)
- Physcia dubia Vain. - Barrett & Thomson (1975: 163 as Physcia intermedia), Gould (1994: 46)
- Physcia phaea (Tuck.) J. W. Thomson - Gould (1994: 46)
- Physconia muscigena (Ach.) Poelt - Barrett & Thomson (1975: 163 as Physcia muscigena), Gould (1994: 46)
- Placopsis gelida (L.) Linds. - Barrett & Thomson (1975: 162)
- Placynthium asperellum (Ach.) Trevisan - Barrett & Thomson (1975: 161 as Placynthium aspratile)
- Placynthium nigrum (Huds.) S. Gray - Barrett & Thomson (1975: 161)
- Polyblastia bryophila Lönnr. - Barrett & Thomson (1975: 163)
- Polyblastia hyperborea Th. Fr. - Barrett & Thomson (1975: 163), Barrett & Thomson (1975: 163 as Polyblastia integrascens)
- Polyblastia theleodes (Sommerf.) Th. Fr. - Barrett & Thomson (1975: 163)
- Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Barrett & Thomson (1975: 163 as Xanthoria candelaria), Gould (1994: 46 as Xanthoria candelaria)
- Porpidia crustulata (Ach.) Hertel & Knoph - Barrett & Thomson (1975: 161 as Lecidea crustulata)
- Porpidia macrocarpa (DC.) Hertel & A. J. Schwab - Barrett & Thomson (1975: 162 as Lecidea macrocarpa)
- Porpidia glaucophaea (Körb.) Hertel & Knoph - Barrett & Thomson (1975: 161 as Lecidea glaucophaea)
- Porpidia melinodes (Körb.) Gowan & Ahti - Barrett & Thomson (1975: 162 as Lecidea melinodes)
- Porpidia speirea (Ach.) Kremp. - Barrett & Thomson (1975: 162 as Lecidea speirea)
- Porpidia thomsonii Gowan - Fryday (2005: 24 Type in WIS)
- Protoblastenia calva (Dickson) Zahlbr. - Barrett & Thomson (1975: 163 as Protoblastenia rupestris var. calva)
- Protomicarea limosa (Ach.) Hafellner - Thomson & Weber (1992: 398 as Lecidea limosa)
- Protoparmelia badia (Hoffm.) Hafellner - Barrett & Thomson (1975: 162 as Lecanora badia)
- Pseudephebe minuscula (Nyl.) Brodo & D. Hawksw. - Barrett & Thomson (1975: 163 as Alectoria minuscula), Gould (1994: 46)
- Pseudephebe pubescens (L.) M. Choisy - Barrett & Thomson (1975: 163 as Alectoria pubescens), Gould (1994: 46)
- Psora luridella (Tuck.) Fink - Zhurbenko & Daniels (2003: 103)
- Psora rubiformis (Wahlenb. ex Ach.) Hook. - Barrett & Thomson (1975: 162 as Lecidea rubiformis)
- Psoroma hypnorum (Vahl) S. Gray - Barrett & Thomson (1975: 161), Gould (1994: 46)
- Racodium rupestre Pers. - Barrett & Thomson (1975: 163)
- Rhizocarpon copelandii (Körb.) Th. Fr. - Barrett & Thomson (1975: 162)
- Rhizocarpon disporum (Naeg. ex Hepp) Müll. Arg. - Barrett & Thomson (1975: 162)
- Rhizocarpon geographicum (L.) DC. - Barrett & Thomson (1975: 162)
- Rhizocarpon jemtlandicum (Malme) Malme - Barrett & Thomson (1975: 162)
- Rhizocarpon polycarpum (Hepp) Th. Fr. - Barrett & Thomson (1975: 162)
- Rhizocarpon rittokense (Hellb.) Th. Fr. - Barrett & Thomson (1975: 162)
- Rhizocarpon superficiale (Schaer.) Vain. subsp. boreale Runem. - Barrett & Thomson (1975: 162 as Rhizocarpon crystalligenum)
- Rinodina calcigena Lynge - Barrett & Thomson (1975: 163 as Rinodina occidentalis)
- Rinodina milvina (Wahlenb. ex Ach.) Th. Fr. - Barrett & Thomson (1975: 163)
- Rinodina roscida (Sommerf.) Arnold - Barrett & Thomson (1975: 163)
- Rinodina turfacea (Wahlenb.) Körb. - Barrett & Thomson (1975: 163)
- Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Barrett & Thomson (1975: 162 as Lecanora melanophthalma)
- Rostania ceranisca (Nyl.) Otálora, P. M. Jørg. & Wedin - Barrett & Thomson (1975: 161 as Collema ceraniscum), Thomson & Weber (1992: 396 as Collema ceraniscum)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Barrett & Thomson (1975: 163 as Xanthoria elegans), Gould (1994: 46 as Xanthoria elegans)
- Rusavskia sorediata (Vain.) xxx - Gould (1994: 46 as Xanthoria sorediata)
- Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Thomson & Weber (1992: 399 as Leptogium lichenoides), Gould (1994: 45 as Leptogium lichenoides)
- Scytinium subtile (Schrad.) Otálora, P. M. Jørg. & Wedin - Barrett & Thomson (1975: 161 as Leptogium minutissimum), Thomson & Weber (1992: 399 as Leptogium minutissimum)
- Scytinium tenuissimum (Dicks.) Körb. - Gould (1994: 45 as Leptogium tenuissimum)
- Solorina bispora Nyl. - Barrett & Thomson (1975: 161), Gould (1994: 46)
- Solorina crocea (L.) Ach. - Gould (1994: 46)
- Solorina octospora Arnold - Barrett & Thomson (1975: 161)
- Solorina saccata (L.) Ach. - Barrett & Thomson (1975: 161), Gould (1994: 46)
- Solorina spongiosa (Sm.) Anzi - Barrett & Thomson (1975: 161)
- Sphaerophorus fragilis (L.) Pers. - Gould (1994: 46)
- Sphaerophorus globosus (Huds.) Vain. - Barrett & Thomson (1975: 163), Gould (1994: 46)
- Spilonema revertens Nyl. - Barrett & Thomson (1975: 161)
- Sporastatia testudinea (Ach.) A. Massal. - Barrett & Thomson (1975: 162)
- Stereocaulon alpinum Laur. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Stereocaulon botryosum Ach. - Barrett & Thomson (1975: 162)
- Stereocaulon paschale (L.) Hoffm. - Gould (1994: 46)
- Stereocaulon rivulorum H. Magn. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Stereocaulon tomentosum Fr. - Gould (1994: 46)
- Tephromela atra (Huds.) Hafellner - Barrett & Thomson (1975: 162 as Lecanora atra)
- Tetramelas papillatus (Sommerf.) Kalb - Barrett & Thomson (1975: 163 as Buellia papillata), Thomson & Weber (1992: 395 as Buellia papillata)
- Thamnolia subuliformis (Ehrh.) W. L. Culb. - Gould (1994: 46)
- Thamnolia vermicularis (Sw.) Ach. ex Schaer. - Barrett & Thomson (1975: 163), Gould (1994: 46)
- Tremolecia atrata (Ach.) Hertel - Barrett & Thomson (1975: 161 as Lecidea atrata)
- Tuckermannopsis sepincola (Ehrh.) Ach. - Gould (1994: 45 as Cetraria sepincola)
- Umbilicaria arctica (Ach.) Nyl. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Umbilicaria deusta (L.) Baumg. - Gould (1994: 46)
- Umbilicaria havaasii Llano - Barrett & Thomson (1975: 162)
- Umbilicaria hyperborea (Ach.) Ach. var. hyperborea - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Umbilicaria lyngei Schol. - Barrett & Thomson (1975: 162 as Agyrophora lyngei), Thomson & Weber (1992: 393 as Agyrophora lyngei), Gould (1994: 46)
- Umbilicaria muehlenbergii (Ach.) Tuck. - Gould (1994: 46)
- Umbilicaria polyphylla (L.) Baumg. - Gould (1994: 46)
- Umbilicaria proboscidea (L.) Schrad. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Umbilicaria torrefacta (Lightf.) Schrad. - Gould (1994: 46)
- Umbilicaria vellea (L.) Ach. - Barrett & Thomson (1975: 162), Gould (1994: 46)
- Umbilicaria virginis Schaer. - Barrett & Thomson (1975: 162 as Omphalodiscus virginis)
- Usnea lapponica Vain. - Gould (1994: 46)
- Usnea sphacelata R. Br. - Zhurbenko & Daniels (2003: 102 as Neuropogon sphacelatus)
- Verrucaria arctica Lynge - Barrett & Thomson (1975: 163)
- Verrucaria divergens Nyl. - Barrett & Thomson (1975: 163)
- Verrucaria deversa Vain. - Barrett & Thomson (1975: 163)
- Verrucaria nigrescens Pers. - Barrett & Thomson (1975: 163)
- Tingiopsidium isidiatum (Degel.) Hafellner & T. Sprib. - Barrett & Thomson (1975: 161 as Vestergrenopsis isidiata)
- Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Gould (1994: 46)
- Vulpicida tilesii (Ach.) J.-E. Mattsson & M. J. Lai - Thomson & Weber (1992: 396 as Cetraria tilesii), Gould (1994: 46)
- Xanthocarpia tominii (Savicz) Frödén, Arup & Søchting - Zhurbenko & Daniels (2003: 100 as Caloplaca tominii)
- Xanthomendoza fallax Søchting, Kärnefelt & S. Y. Kondr. - Gould (1994: 46 as Xanthoria fallax)