Checklist of lichens of Saskatchewan (Canada)
Version 31 December 2018
- Acarospora americana H. Magn. - Freebury (2014: 106)
- Acarospora badiofusca (Nyl.) Th. Fr. - Thomson (1997: 21), Freebury (2014: 106)
- Acarospora chrysops (Tuck.) H. Magn. - Looman (1962: 299)
- Acarospora fuscata (Nyl.) Arnold - Thomson (1997: 24)
- Acarospora glaucocarpa (Wahlenb.) Körb. - Thomson (1997: 25), Freebury (2014: 106)
- Acarospora molybdina (Wahlenb. in Ach.) A. Massal. - Thomson (1997: 28)
- Acarospora rosulata (Th. Fr.) H. Magn. - Freebury (2014: 106 First record for Canada)
- Acarospora schleicheri (Ach.) A. Massal. - Looman (1962: 299), Thomson (1997: 33), Freebury (2014: 106)
- Acarospora stapfiana (Müll. Arg.) Hue - Freebury (2014: 106 on Caloplaca trachyphylla First record)
- Acarospora strigata (Nyl.) Jatta - Looman (1962: 299), Freebury (2014: 106)
- Acarospora veronensis A. Massal. - Looman (1962: 299), Freebury (2014: 107)
- Agonimia vouauxii (B. de Lesd.) M. Brand & Diederich - Freebury (2014: 107 First record for North America)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Looman (1962: 303), Thomson (1997: 138 as Buellia punctata), Freebury (2014: 107)
- Arctoparmelia centrifuga (L.) Hale - Argus (1964: 149 as Parmelia centrifuga), Thomson (1984: 476 as Xanthoparmelia centrifuga)
- Arctoparmelia separata (Th. Fr.) Hale - Thomson (1984: 479 as Xanthoparmelia separata)
- Arthonia glebosa Tuck. - Freebury (2014: 107 First record)
- Arthonia patellulata Nyl. - Thomson (1997: 47), Freebury (2014: 107)
- Aspicilia aliena (Zahlbr.) Oxner - Thomson (1997: 58), Freebury (2014: 107)
- Aspicilia cinerea (L.) Körb. - Thomson (1997: 68) - Freebury (2014: 107)
- Aspicilia determinata (H. Magn.) N. S. Golubk. - Freebury (2014: 107)
- Aspicilia reptans (Looman) Wetmore - Looman (1962: 301 as Lecanora reptans Type in Experimental Farm)
- Aspicilia subradians (Nyl.) Hue - Thomson (1997: 94)
- Aspicilia supertegens Arnold - Thomson (1997: 95)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Thomson (1997: 164 as Caloplaca holocarpa), Freebury (2014: 108 as Caloplaca holocarpa)
- Athallia pyracea (Ach.) Arup, Frödén & Søchting - Freebury (2014: 108 as Caloplaca pyracea)
- Bacidia bagliettoana (A. Massal. & de Not. in A. Massal.) Jatta - Looman (1962: 297 as Bacidia muscorum), Thomson (1997: 99), Freebury (2014: 107)
- Bacidia circumspecta (Nyl. ex Vain.) Malme - Freebury (2014: 107)
- Bacidia igniarii (Nyl.) Oxner - Thomson (1997: 103)
- Baeomyces rufus (Huds.) Rebent. - Thomson (1984: 52)
- Biatora vernalis (L.) Ach. - Looman (1962: 298 as Lecidea vernalis)
- Bilimbia sabuletorum (Schreb.) Arnold - Looman (1962: 297 as Bacidia sabuletorum), Thomson (1997: 422 as Mycobilimbia sabuletorum), Freebury (2014: 107)
- Blennothallia crispa (Huds.) Otálora, P. M. Jørg. & Wedin - Freebury (2014: 107 First record)
- Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Looman (1962: 303 as Caloplaca jungermanniae)
- Bryoplaca sinapisperma (Lam. & DC.) Søchting, Frödén & Arup - Looman (1962: 303 as Blastenia sinapisperma)
- Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 54)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Thomson (1984: 56)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Looman (1962: 302 as Alectoria jubata), Thomson (1984: 57), Freebury (2014: 107)
- Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 59)
- Bryoria nadvornikiana (Gyel.) Brodo & D. Hawksw. - Thomson (1984: 61)
- Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Thomson (1984: 65)
- Bryoria trichodes (Michx.) Brodo & D. Hawksw. subsp. trichodes - Thomson (1984: 68)
- Buellia badia (Fr.) A. Massal. - Looman (1962: 303 as Buellia turgescens)
- Buellia disciformis (Fr.) Mudd - Looman (1962: 303 as Buellia parasema), Thomson (1997: 129)
- Buellia elegans Poelt - Thomson (1997: 130), Freebury (2014: 107)
- Buellia epigaea (Hoffm.) Tuck. - Looman (1962: 303)
- Buellia retrovertens Tuck. - Looman (1962: 303)
- Buellia spuria (Schaer.) Anzi - Thomson (1997: 139)
- Buellia zoharyi Galun - Follmann & Huneck (1977: 177)
- Caeruleum heppii (Nägeli ex Körb.) K. Knudsen & B. Abbott - Freebury (2014: 107)
- Calicium trabinellum (Ach.) Ach. - Thomson (1997: 145)
- Calogaya decipiens (Arnold) Arup, Frödén & Søchting - Freebury (2014: 108 as Caloplaca decipiens First record for Canada)
- Caloplaca atroalba (Tuck.) Zahlbr. - Looman (1962: 303), Freebury (2014: 107)
- Caloplaca cerina (Hedw.) Th. Fr. - Looman (1962: 303), Thomson (1997: 154), Freebury (2014: 107)
- Caloplaca fraudans (Th. Fr.) H. Olivier - Looman (1962: 303), Thomson (1997: 162)
- Caloplaca grimmiae (Nyl.) H. Olivier - Freebury (2014: 108 First record)
- Caloplaca lignicola Wetmore - Freebury (2014: 108 First record for Canada)
- Caloplaca microphyllina (Tuck.) Hasse - Freebury (2014: 108 First record)
- Caloplaca pratensis Wetmore - Freebury (2014: 108 First record for Canada)
- Caloplaca saxicola (Hoffm.) Nordin - Looman (1962: 303 as Caloplaca murorum), Thomson (1997: 169)
- Caloplaca sideritis (Tuck.) Zahlbr. - Looman (1962: 303)
- Caloplaca stillicidiorum (Vahl) Lynge - Looman (1962: 303), Thomson (1997: 172), Freebury (2014: 108)
- Caloplaca ulmorum (Fink) Fink - Looman (1962: 303)
- Candelaria concolor (Dicks.) Arnold - Looman (1962: 301), Freebury (2014: 108)
- Candelariella aggregata M. Westb. - Freebury (2014: 108 First record for Canada)
- Candelariella antennaria Räsänen - Freebury (2014: 108 First record for Canada)
- Candelariella aurella (Hoffm.) Zahlbr. - Looman (1962: 301), Thomson (1997: 182), Freebury (2014: 108)
- Candelariella citrina B. de Lesd. - Thomson (1997: 187 as Candelariella terrigena)
- Candelariella efflorescens R. C. Harris & W. R. Buck - Freebury (2014: 108 First record)
- Candelariella rosulans (Müll. Arg.) Zahlbr. - Freebury (2014: 108 First record)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Looman (1962: 301), Argus (1964: 148), Thomson (1997: 189), Freebury (2014: 108)
- Catillaria chalybeia (Borrer) A. Massal. - Looman (1962: 298), Thomson (1997: 196)
- Catillaria glauconigrans (Tuck.) Hasse - Thomson (1997: 197)
- Catinaria atropurpurea (Schaer.) Vezda & Poelt - Thomson (1997: 201)
- Cetraria aculeata (Schreb.) Fr. - Looman (1962: 302 as Cornicularia aculeata), Thomson (1984: 198 as Cornicularia aculeata), Freebury (2014: 108)
- Cetraria arenaria Kärnefelt - Freebury (2014: 108)
- Cetraria ericetorum Opiz - Looman (1962: 302 as Cetraria crispa), Thomson (1984: 79)
- Cetraria islandica (L.) Ach. - Looman (1962: 302), Thomson (1984: 84)
- Cetrariella commixta (Nyl.) A. Thell & Kärnefelt - Thomson (1984: 75 as Cetraria commixta)
- Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr. - Thomson (1997: 205)
- Circinaria arida Owe-Larss., A. Nordin & Tibell - Freebury (2014: 108)
- Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, S. Savić & Tibell - Looman (1962: 300 as Lecanora caesiocinerea), Looman (1962: 300 as Lecanora cinerea), Thomson (1997: 65 as Aspicilia caesiocinerea)
- Circinaria contorta (Hoffm.) A. Nordin, S. Savić & Tibell - Freebury (2014: 109)
- Circinaria hispida (Mereschk.) A. Nordin, S. Savić & Tibell - Thomson (1960: 249 as Agrestia cyphellata Type), Looman (1962: 302 as Agrestia cyphellata), Freebury (2014: 109)
- Cladonia amaurocraea (Flörke) Schaer. - Looman (1962: 298), Argus (1964: 148), Thomson (1984: 107)
- Cladonia arbuscula (Wallr.) Rabenh. - Thomson (1984: 110)
- Cladonia bellidiflora (Ach.) Schaer. - Looman (1962: 298)
- Cladonia botrytes (K. G. Hagen) Willd. - Looman (1962: 298), Thomson (1984: 114), Freebury (2014: 109)
- Cladonia cariosa (Ach.) Spreng. - Looman (1962: 298), Thomson (1984: 116), Freebury (2014: 109)
- Cladonia carneola (Fr.) Fr. - Looman (1962: 298), Thomson (1984: 117)
- Cladonia cenotea (Ach.) Schaer. - Looman (1962: 298), Thomson (1984: 118)
- Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Looman (1962: 298), Thomson (1984: 119), Freebury (2014: 109)
- Cladonia coccifera (L.) Willd. - Looman (1962: 298), Argus (1964: 148), Thomson (1984: 121)
- Cladonia coniocraea (Flörke) Spreng. - Looman (1962: 298), Thomson (1984: 122), Freebury (2014: 109)
- Cladonia cornuta (L.) Hoffm. subsp. cornuta - Looman (1962: 298), Thomson (1984: 124)
- Cladonia crispata (Ach.) Flot. var. crispata - Looman (1962: 299), Thomson (1984: 125)
- Cladonia cristatella Tuck. - Looman (1962: 299), Freebury (2014: 109)
- Cladonia decorticata (Flörke) Spreng. - Looman (1962: 299), Thomson (1984: 128)
- Cladonia deformis (L.) Hoffm. - Looman (1962: 299), Thomson (1984: 129)
- Cladonia fimbriata (L.) Fr. - Looman (1962: 299), Thomson (1984: 133), Freebury (2014: 109)
- Cladonia furcata (Huds.) Schrad. - Looman (1962: 299)
- Cladonia glauca Flörke - Looman (1962: 299), Thomson (1984: 135)
- Cladonia gracilis (L.) Willd. subsp. turbinata (Ach.) Ahti - Thomson (1984: 136), Freebury (2014: 109)
- Cladonia gracilis (L.) Willd. subsp. gracilis - Thomson (1984: 137)
- Cladonia grayi G. Merr. ex Sandst. - Looman (1962: 299)
- Cladonia macilenta Hoffm. - Looman (1962: 298 as Cladonia bacillaris), Thomson (1984: 111 as Cladonia bacillaris)
- Cladonia macrophylla (Schaer.) Stenham. - Thomson (1984: 141)
- Cladonia macrophyllodes Nyl. - Looman (1962: 299), Thomson (1984: 143)
- Cladonia maxima (Asah.) Ahti - Thomson (1984: 145)
- Cladonia mitis Sandst. - Looman (1962: 299), Thomson (1984: 148), Rettie et al. (1997: 251), Thomas & Gates (1999: 535), Freebury (2014: 109 as Cladonia arbuscula subsp. mitis)
- Cladonia multiformis Merr. - Looman (1962: 299), Thomson (1984: 149)
- Cladonia phyllophora Ehrh. ex Hoffm. - Looman (1962: 299 as Cladonia degenerans), Thomson (1984: 153)
- Cladonia pleurota (Flörke) Schaer. - Thomson (1984: 154)
- Cladonia pocillum (Ach.) Rich. - Thomson (1984: 156), Freebury (2014: 109)
- Cladonia pyxidata (L.) Hoffm. - Looman (1962: 299), Thomson (1984: 158), Freebury (2014: 109)
- Cladonia ramulosa (Ach.) Ahti & James - Looman (1962: 299 as Cladonia pityrea), Thomson (1984: 108 as Cladonia anomaea)
- Cladonia rangiferina (L.) F. H. Wigg. - Thomson (1984: 159), Rettie et al. (1997: 251)
- Cladonia rei Schaer. - Looman (1962: 299 as Cladonia nemoxyna), Freebury (2014: 109)
- Cladonia robbinsii Evans - Looman (1962: 299), Freebury (2014: 109)
- Cladonia scabriuscula (Del. in Duby) Nyl. - Thomson (1984: 160)
- Cladonia squamosa (Scop.) Hoffm. var. squamosa - Looman (1962: 299), Thomson (1984: 161)
- Cladonia squamosa (Scop.) Hoffm. var. subsquamosa (Nyl.) Vain. - Looman (1962: 299 as Cladonia subsquamosa)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Looman (1962: 298 as Cladonia alpestris), Thomson (1984: 163), Thomas & Gates (1999: 535)
- Cladonia subcariosa Nyl. - Looman (1962: 299 as Cladonia polycarpia)
- Cladonia subulata (L.) F. H. Wigg. - Looman (1962: 299 as Cladonia cornutoradiata), Thomson (1984: 168)
- Cladonia symphycarpa (Flörke) Fr. - Freebury (2014: 109)
- Cladonia turgida Ehrh. ex Hoffm. - Looman (1962: 299), Thomson (1984: 172)
- Cladonia unicalis (L.) F. H. Wigg. - Looman (1962: 299), Thomson (1984: 173)
- Cladonia verticillata (Hoffm.) Schaer. - Looman (1962: 299), Thomson (1984: 174)
- Cliostomum griffithii (Sm.) Malme - Looman (1962: 298 as Catillaria griffithii)
- Cyphelium notarisii (Tul.) Blomb. & Forssell - Freebury (2014: 109)
- Cyphelium tigillare (Ach.) Ach. - Looman (1962: 296), Thomson (1997: 214)
- Dermatocarpon miniatum (L.) Mann. - Looman (1962: 296), Argus (1964: 148), Thomson (1984: 219)
- Dimelaena oreina (Ach.) Norman - Looman (1962: 303 as Rinodina oreina), Thomson (1997: 216), Freebury (2014: 109)
- Diploschistes actinostomus (Pers.) Zahlbr. - Looman (1962: 296)
- Diploschistes muscorum (Scop.) R. Sant. - Thomson (1997: 218), Freebury (2014: 109)
- Diploschistes scruposus (Schreber) Norman - Looman (1962: 296), Thomson (1997: 218)
- Diplotomma venustum (Körb.) Körb. - Freebury (2014: 109 First record)
- Enchylium bachmanianum (Fink) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 179 as Collema bachmanianum)
- Enchylium coccophorum (Tuck.) Otálora, P. M. Jørg. & Wedin - Freebury (2014: 109)
- Enchylium tenax (Sw.) Gray - Looman (1962: 296 as Collema tenax), Thomson (1984: 191 as Collema tenax), Freebury (2014: 109 as Collema tenax)
- Endocarpon loscosii Müll. Arg. - Freebury (2014: 109 First record for Canada)
- Endocarpon pusillum Hedw. - Looman (1962: 296), Freebury (2014: 110)
- Evernia mesomorpha Nyl. - Looman (1962: 302), Thomson (1984: 229), Freebury (2014: 110)
- Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Thomson (1984: 76 as Cetraria cucullata)
- Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Looman (1962: 302 as Cetraria nivalis), Thomson (1984: 92 as Cetraria nivalis)
- Flavoparmelia flaventior (Stirt.) Hale - Looman (1962: 302 as Parmelia flaventior)
- Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Freebury (2014: 107 as Caloplaca citrina First record)
- Gallowayella tibellii (S. Y. Kondr. & Kärnefelt) S. Y. Kondr., Fedorenko, S. Stenroos, Kärnefelt, Elix, Hur & A. Thell - Kondratyuk & Kärnefelt (2003: 126 as Xanthoria tibellii)
- Glypholecia scabra (Pers.) Müll. Arg. - Looman (1962: 299), Thomson (1997: 236)
- Gyalolechia bracteata (Hoffm.) Räsänen subsp. bracteata - Freebury (2014: 110 as Fulgensia bracteata)
- Gyalolechia flavovirescens (Wulf.) Søchting, Frödén & Arup - Looman (1962: 303 as Caloplaca flavovirescens), Thomson (1997: 161 as Caloplaca flavovirescens)
- Gyalolechia fulgens (Sw.) Søchting, Frödén & Arup - Looman (1962: 303 as Fulgensia fulgens), Thomson (1997: 229 as Fulgensia fulgens)
- Gyalolechia subbracteata (Nyl.) Søchting, Frödén & Arup - Freebury (2014: 110 as Fulgensia subbracteata First record for Canada)
- Heppia lutosa (Ach.) Nyl. - Looman (1962: 297), Thomson (1997: 244), Freebury (2014: 110)
- Hertelidea botryosa (Fr.) Th. Fr. - Looman (1962: 298 as Lecidea botryosa)
- Heteroplacidium compactum (A. Massal.) Gueidan & Cl. Roux - Freebury (2014: 110 on Verrucaria inficiens First record)
- Heteroplacidium zamenhofianum (Clauzade & Cl. Roux) Cl. Roux - Freebury (2014: 110 First record for Canada)
- Hymenelia epulotica (Ach.) Arnold - Thomson (1997: 253 as Ionaspis epulotica)
- Hymenelia heteromorpha (Kremp.) Lutzoni - Thomson (1997: 255 as Ionaspis schismatopis)
- Hymenelia melanocarpa (Kremp.) Arnold - Thomson (1997: 254 as Ionaspis melanocarpa)
- Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Thomson (1997: 248)
- Hypogymnia physodes (L.) Nyl. - Looman (1962: 302 as Parmelia physodes), Thomson (1984: 241), Freebury (2014: 110)
- Hypogymnia subobscura (Vain.) Poelt - Thomson (1984: 242)
- Icmadophila ericetorum (L.) Zahlbr. - Looman (1962: 300), Thomson (1997: 249)
- Ionaspis lacustris (With.) Lutzoni - Thomson (1997: 245 as Hymenelia lacustris)
- Kaernefeltia californica (Tuck.) A. Thell & Goward - Looman (1962: 302 as Cornicularia californica)
- Lasallia papulosa (Ach.) Llano - Thomson (1984: 245)
- Lasallia pensylvanica (Hoffm.) Llano - Thomson (1984: 246)
- Lathagrium undulatum (Laur. ex Flot.) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 194 as Collema undulatum)
- Lecania cyrtella (Ach.) Th. Fr. - Macoun (1902: xx as Biatora cyrtella), Freebury (2014: 110)
- Lecania erysibe (Ach.) Mudd - Looman (1962: 300), Thomson (1997: 257)
- Lecania fuscella (Schaer.) Körb. - Freebury (2014: 110)
- Lecanora albellula Nyl. - Freebury (2014: 110)
- Lecanora albopruinosa Looman - Looman (1962: 300 Type in Experimental Farm)
- Lecanora allophana (Ach.) Nyl. - Looman (1962: 300), Looman (1962: 301 as Lecanora subfusca), Thomson (1997: 264)
- Lecanora argentea Oxner & Volkova - Thomson (1997: 281 as Lecanora fuliginosa)
- Lecanora argopholis (Ach.) Ach. - Looman (1962: 301 as Lecanora oregana), Thomson (1997: 267), Freebury (2014: 110)
- Lecanora cadubriae (A. Massal.) Hedl. - Thomson (1997: 271)
- Lecanora cenisia Ach. - Thomson (1997: 272)
- Lecanora chlarotera Nyl. - Thomson (1997: 301 as Lecanora rugosella)
- Lecanora circumborealis Brodo & Vitik. - Thomson (1997: 274)
- Lecanora contractula Nyl. - Thomson (1997: 276)
- Lecanora dispersa (Pers.) Sommerf. - Looman (1962: 300), Thomson (1997: 278)
- Lecanora epibryon (Ach.) Ach. - Looman (1962: 300), Thomson (1997: 279)
- Lecanora flowersiana H. Magn. - Looman (1962: 300), Freebury (2014: 110)
- Lecanora garovaglii (Körb.) Zahlbr. subsp. garovaglii - Freebury (2014: 110)
- Lecanora geophila (Th. Fr.) Poelt- Thomson (1997: 283)
- Lecanora hagenii (Ach.) Ach. - Looman (1962: 300), Thomson (1997:286), Freebury (2014: 110)
- Lecanora hypoptoides Nyl. - Looman (1962: 300)
- Lecanora intricata (Ach.) Ach.- Thomson (1997: 288)
- Lecanora muralis (Schreb.) Rabenh. - Looman (1962: 301), Thomson (1997: 295), Freebury (2014: 110)
- Lecanora polytropa (Ehrh. in Hoffm.) Rabenh. - Looman (1962: 301), Argus (1964: 148), Thomson (1997: 299)
- Lecanora pulicaris (Pers.) Ach. - Thomson (1997: 301)
- Lecanora rugosella Zahlbr. - Freebury (2014: 110)
- Lecanora rupicola (L.) Zahlbr. - Thomson (1997: 303)
- Lecanora sambuci (Pers.) Nyl. - Thomson (1997: 306)
- Lecanora symmicta (Ach.) Ach. - Looman (1962: 301), Thomson (1997: 309)
- Lecanora valesiaca (Müll. Arg.) Stizenb. - Freebury (2014: 110 First record)
- Lecanora varia (Hoffm.) Ach. - Looman (1962: 301), Thomson (1997: 311)
- Lecanora zosterae (Ach.) Nyl. var. zosterae - Freebury (2014: 110)
- Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. subsp. atrobrunnea - Freebury (2014: 111 First record)
- Lecidea auriculata Th. Fr. subsp. auriculata - Looman (1962: 298), Freebury (2014: 111)
- Lecidea brachyspora (Th. Fr.) Nyl. - Thomson (1997: 333)
- Lecidea laboriosa Müll. Arg. - Thomson (1997: 358 as Lecidea leptoboloides)
- Lecidea lapicida (Ach.) Ach. var. lapicida - Looman (1962: 298), Thomson (1997: 357)
- Lecidea lithophila (Ach.) Ach. - Thomson (1997: 362)
- Lecidea nylanderi (Anzi) Th. Fr. - Looman (1962: 298), Thomson (1997: 365)
- Lecidea tessellata Flörke - Looman (1962: 298), Thomson (1997: 384), Freebury (2014: 111)
- Lecidea turgidula Fr. - Thomson (1997: 388)
- Lecidella carpathica Körb. - Looman (1962: 298 as Lecidea latypiza), Thomson (1997: 395)
- Lecidella elaeochroma (Ach.) M. Choisy - Looman (1962: 298 as Lecidea olivacea), Thomson (1997: 396)
- Lecidella euphorea (Flörke) Hertel - Thomson (1997: 398), Freebury (2014: 111)
- Lecidella patavina (A. Massal.) Knoph & Leuckert - Thomson (1997: 392 as Lecidella alaiensis), Freebury (2014: 111)
- Lecidella stigmatea (Ach.) Hertel & Leuck. - Looman (1962: 298 as Lecidea stigmatea), Looman (1962: 298 as Lecidea vulgata), Looman (1962: 298 as Lecidea micacea), Thomson (1997: 402), Freebury (2014: 111)
- Lecidella wulfenii (Hepp) Körb. - Freebury (2014: 111 First record)
- Leproplaca cirrochroa (Ach.) Arup, Frödén & Søchting - Looman (1962: 303 as Caloplaca cirrochroa)
- Leptogium nanum Herre - Looman (1962: 296), Freebury (2014: 111)
- Leptogium saturninum (Dicks.) Nyl. - Thomson (1984: 262)
- Letharia vulpina (L.) Hue - Looman (1962: 302)
- Lobaria scrobiculata (Scop.) DC. - Thomson (1984: 271)
- Lobothallia alphoplaca (Wahlenb. in Ach.) Hafellner - Looman (1962: 300 as Lecanora alphoplaca), Thomson (1997: 59 as Aspicilia alphoplaca), Freebury (2014: 111)
- Lobothallia praeradiosa (Nyl.) Hafellner - Freebury (2014: 111 First record)
- Massalongia carnosa (Dicks.) Körb. - Thomson (1984: 274)
- Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Looman (1962: 301 as Lecanora verrucosa), Thomson (1997: 443 as Pachyospora verrucosa), Freebury (2014: 111)
- Melanelia hepatizon (Ach.) A. Thell - Thomson (1984: 82 as Cetraria hepatizon)
- Melanelixia albertana (Ahti) O. Blanco et al. - Freebury (2014: 111)
- Melanelixia subaurifera (Nyl.) O. Blanco et al. - Thomson (1984: 316 as Parmelia subaurifera)
- Melanohalea elegantula (Zahlbr.) O. Blanco et al. - Looman (1962: 302 as Parmelia elegantula), Freebury (2014: 111)
- Melanohalea exasperata (Ach.) O. Blanco et al. - Looman (1962: 302 as Parmelia exasperata)
- Melanohalea exasperatula (Nyl.) O. Blanco et al. - Looman (1962: 302 as Melanelia exasperatula), Thomson (1984: 300 as Parmelia exasperatula), Freebury (2014: 111)
- Melanohalea olivacea (L.) O. Blanco et al. - Looman (1962: 302 as Parmelia olivacea), Thomson (1984: 306 as Parmelia olivacea)
- Melanohalea septentrionalis (Lynge) O. Blanco et al. - Thomson (1984: 311 as Parmelia septentrionalis)
- Melanohalea subolivacea (Nyl.) O. Blanco et al. - Freebury (2014: 111)
- Micarea incrassata Hedl. - Freebury (2014: 111 First record)
- Micarea melaena (Nyl.) Hedl. - Looman (1962: 297 as Bacidia melaena)
- Micarea misella (Nyl.) Hedl. - Freebury (2014: 111 First record)
- Miriquidica scotopholis (Tuck.) B. D. Ryan & Timdal - Looman (1962: 298 as Lecidea scotopholis)
- Montanelia disjuncta (Erichsen) Divakar et al. - Looman (1962: 302 as Parmelia disjuncta), Thomson (1984: 299 as Parmelia disjucta)
- Montanelia sorediata (Almb.) Divakar et al. - Thomson (1984: 312 as Parmelia sorediosa)
- Montanelia tominii (Oxner) Divakar et al. - Freebury (2014: 111)
- Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Looman (1962: 298 as Lecidea berengeriana), Thomson (1997: 331 as Lecidea berengeriana)
- Mycoblastus alpinus (Fr.) Kernst. - Thomson (1997: 425)
- Mycoblastus sanguinarius (L.) Norman - Thomson (1997: 426)
- Myriospora smaragdula (Wahlenb. in Ach.) K. Knudsen & B. Abbott - Looman (1962: 299 as Acarospora smaragdula), Thomson (1997: 34 as Acarospora smaragdula)
- Nephroma arcticum (L.) Torss. - Thomson (1984: 277)
- Nephroma bellum (Spreng.) Tuck. - Thomson (1984: 278)
- Nephroma helveticum Ach. subsp. helveticum - Thomson (1984: 280)
- Ochrolechia frigida (Sw.) Lynge - Thomson (1997: 431)
- Ochrolechia inaequatula (Nyl.) Zahlbr. - Thomson (1997: 434)
- Ochrolechia upsaliensis (L.) A. Massal. - Looman (1962: 301), Thomson (1997: 436), Freebury (2014: 111)
- Ophioparma lapponica (Räsänen) Hafellner & Rogers - Thomson (1997: 440)
- Protopannaria pezizoides (Web.) Trev. - Thomson (1984: 294 as Pannaria pezizoides)
- Parmelia omphalodes (L.) Ach. - Thomson (1984: 308 as Parmelia omphalodes)
- Parmelia saxatilis (L.) Ach. - Thomson (1984: 310)
- Parmelia sulcata Tayl. - Looman (1962: 302), Thomson (1984: 318), Freebury (2014: 111)
- Parmeliopsis ambigua (Wulfen) Nyl. - Looman (1962: 302), Thomson (1984: 325), Freebury (2014: 111)
- Parmeliopsis hyperopta (Ach.) Arnold - Looman (1962: 302), Thomson (1984: 326)
- Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - Thomson (1997: 173 as Caloplaca tiroliensis), Freebury (2014: 108 as Caloplaca tiroliensis)
- Peltigera aphthosa (L.) Willd. - Looman (1962: 297), Thomson (1984: 329)
- Peltigera canina (L.) Willd. - Thomson (1984: 332)
- Peltigera didactyla (With.) J. R. Laundon - Looman (1962: 297 as Peltigera canina var. spuria f. sorediata), Freebury (2014: 111)
- Peltigera horizontalis (Huds.) Baumg. - Looman (1962: 297)
- Peltigera lepidophora (Nyl.) Vain. - Looman (1962: 297), Freebury (2014: 111)
- Peltigera leucophlebia (Nyl.) Gyeln. - Thomson (1984: 330 as Peltigera aphtosa var. leucophlebia)
- Peltigera malacea (Ach.) Funck. - Looman (1962: 297), Thomson (1984: 339)
- Peltigera polydactylon (Neck.) Hoffm. - Looman (1962: 297), Thomson (1984: 343)
- Peltigera ponojensis Gyeln. - Freebury (2014: 111)
- Peltigera rufescens (Weiss) Humb. - Looman (1962: 297 as Peltigera canina var. rufescens), Thomson (1984: 333 as Peltigera canina var. rufescens), Freebury (2014: 111)
- Peltigera scabrosa Th. Fr. - Thomson (1984: 344)
- Peltigera venosa (L.) Hoffm. - Looman (1962: 297)
- Peltula patellata (Bagl.) Swinscow & Krog - Looman (1962: 297 as Heppia leptopholis)
- Phaeophyscia ciliata (Hoffm.) Moberg - Looman (1962: 303 as Physcia ciliata)
- Phaeophyscia constipata (Norrl. & Nyl.) Moberg - Looman (1962: 303 as Physcia constipata), Thomson (1984: 347), Freebury (2014: 111)
- Phaeophyscia hirsuta (Mereschk.) Essl. - Freebury (2014: 111)
- Phaeophyscia nigricans (Flörke) Moberg - Looman (1962: 304 as Physcia nigricans), Freebury (2014: 111)
- Phaeophyscia orbicularis (Neck.) Moberg - Looman (1962: 304 as Physcia nigrescens), Freebury (2014: 111)
- Phaeophyscia sciastra (Ach.) Moberg - Looman (1962: 304 as Physcia sciastra), Argus (1964: 149 as Physcia sciastra)
- Phaeorrhiza nimbosa (Fr.) Mayrh. & Poelt - Looman (1962: 303 as Rinodina nimbosa), Thomson (1997: 467)
- Phaeorrhiza sareptana (Tomin) Mayrh. & Poelt - Thomson (1997: 466), Freebury (2014: 111)
- Physcia adscendens (Fr.) Oliv. - Looman (1962: 303), Thomson (1984: 352), Freebury (2014: 112)
- Physcia aipolia (Humb.) Fürnr. - Looman (1962: 303), Thomson (1984: 353), Freebury (2014: 112)
- Physcia alnophila (Vain.) Loht., Moberg, Myllys & Tehler - Freebury (2014: 112 First record)
- Physcia caesia (Hoffm.) Fürnr. - Looman (1962: 303), Thomson (1984: 354), Freebury (2014: 112)
- Physcia dimidiata (Arnold) Nyl. - Freebury (2014: 112 First record)
- Physcia dubia (Hoffm.) Lettau - Looman (1962: 303), Looman (1962: 304 as Physcia intermedia), Freebury (2014: 112)
- Physcia phaea (Tuck.) J. W. Thomson - Thomson (1984: 356)
- Physcia stellaris (L.) Nyl. - Looman (1962: 304), Freebury (2014: 112)
- Physcia tenella (Scop.) DC. - Looman (1962: 304)
- Physciella chloantha (Ach.) Essl. - Freebury (2014: 112 First record)
- Physconia detersa (Nyl.) Poelt - Thomson (1984: 359 as Physcia detersa)
- Physconia muscigena (Ach.) Poelt - Looman (1962: 304 as Physcia muscigena), Argus (1964: 149 as Physcia muscigena), Thomson (1984: 360), Freebury (2014: 112)
- Physconia perisidiosa (Erichsen) Moberg - Freebury (2014: 112)
- Placidium californicum Breuss - Freebury (2014: 112 First record for Canada)
- Placidium squamulosum (Ach.) Breuss - Looman (1962: 296 as Dermatocarpon hepaticum), Thomson (1984: 215 as Dermatocarpon hepaticum), Freebury (2014: 112)
- Placopyrenium fuscellum (Turn.) Gueidan & Cl. Roux - Looman (1962: 295 as Verrucaria fuscella)
- Placynthiella oligotropha (J. R. Laundon) Coppins & P. James - Thomson (1997: 474)
- Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Thomson (1984: 368)
- Pleopsidium chlorophanum (Wahlenb.) Zopf - Thomson (1997: 22 as Acarospora chlorophana)
- Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Argus (1964: 149 as Xanthoria candelaria), Thomson (1984: 483 as Xanthoria candelaria)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Looman (1962: 303 as Xanthoria polycarpa), Thomson (1984: 487 as Xanthoria polycarpa)
- Polysporina simplex (Davis) Vezda - Looman (1962: 299 as Sarcogyne simplex), Thomson (1997: 486), Freebury (2014: 112)
- Polysporina urceolata (Anzi) Brodo - Freebury (2014: 112 First record)
- Porpidia crustulata (Ach.) Hertel & Knoph - Freebury (2014: 112)
- Porpidia lowiana Gowan - Thomson (1997: 494)
- Porpidia thomsonii Gowan - Thomson (1997: 498)
- Protomicarea limosa (Ach.) Hafellner - Thomson (1997: 361 as Lecidea limosa)
- Protoparmelia badia (Hoffm.) Hafellner - Thomson (1997: 269 as Lecanora badia)
- Psora cerebriformis W. A. Weber - Freebury (2014: 112)
- Psora decipiens (Hedwig) Hoffm. - Looman (1962: 298 as Lecidea decipiens), Thomson (1997: 507), Freebury (2014: 112)
- Psora himalayana (Church. Bab.) Timdal - Thomson (1997: 507)
- Psora rubiformis Wahl. - Argus (1964: 149 as Lecidea rubiformis)
- Psora russellii (Tuck.) A. Schneider - Looman (1962: 298 as Lecidea russellii)
- Psora tuckermanii R. A. Anderson ex Timdal - Freebury (2014: 112)
- Psoroma hypnorum (Vahl) S. Gray - Looman (1962: 297)
- Psorotichia nigra H. Magn. - Looman (1962: 296)
- Punctelia rudecta (Ach.) Krog - Looman (1962: 302 as Parmelia rudecta)
- Ramalina americana Hale - Looman (1962: 302 erroneously as Ramalina fastigiata)
- Ramalina fraxinea (L.) Ach. - Looman (1962: 302)
- Ramalina intermedia (Del. ex Nyl.) Nyl. - Argus (1964: 149), Thomson (1984: 379)
- Ramalina pollinaria (Westr.) Ach. - Looman (1962: 302)
- Ramalina sinensis Jatta - Looman (1962: 302)
- Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Thomson (1997: 524)
- Rhizocarpon cinereovirens (Müll. Arg.) Vain. - Thomson (1997: 528)
- Rhizocarpon cookeanum H. Magn. - Looman (1962: 298)
- Rhizocarpon copelandii (Körb.) Th. Fr. - Thomson (1997: 531)
- Rhizocarpon disporum (Naeg. ex Hepp) Müll. Arg. - Looman (1962: 298), Argus (1964: 149), Freebury (2014: 112)
- Rhizocarpon geminatum Körb. - Thomson (1997: 537)
- Rhizocarpon geographicum (L.) DC. - Argus (1964: 149), Thomson (1997: 538)
- Rhizocarpon grande (Flörke ex Flotow) Arnold - Looman (1962: 298), Thomson (1997: 539)
- Rhizocarpon hochstetteri (Körb.) Vainio - Thomson (1997: 540)
- Rhizocarpon norvegicum Räsänen - Thomson (1997: 544)
- Rhizocarpon obscuratum auct. - Argus (1964: 149), Thomson (1997: 544)
- Rhizocarpon renneri Poelt - Freebury (2014: 112 on Dimelaena oreina First record for Canada)
- Rhizocarpon riparium Räsänen - Thomson (1997: 548)
- Rhizocarpon superficiale (Schaer.) Malme - Thomson (1997: 551)
- Rhizocarpon viridiatrum (Wulfen) Körb. - Freebury (2014: 112 First record)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Looman (1962: 301 as Lecanora rubina), Thomson (1997: 554), Freebury (2014: 112)
- Rhizoplaca haydenii (Ach.) Ach. - Looman (1962: 300 as Lecanora haydenii)
- Rhizoplaca melanophthalma (Ramond) Leuck. & Poelt - Looman (1962: 301 as Lecanora melanophthalma), Argus (1964: 148 as Lecanora melanophthalma), Thomson (1997: 555), Freebury (2014: 112)
- Rhizoplaca peltata (Ramond) Leuckert & Poelt - Looman (1962: 301 as Lecanora peltata), Thomson (1997: 555)
- Rinodina archaea (Ach.) Vain. - Looman (1962: 303), Thomson (1997: 560)
- Rinodina bischoffii (Hepp) A. Massal. - Freebury (2014: 112)
- Rinodina conradii Körb. - Freebury (2014: 112 First record)
- Rinodina freyi H. Magn. - Freebury (2014: 112)
- Rinodina juniperina Sheard - Freebury (2014: 112 First record for Canada)
- Rinodina lobulata H. Mayrhofer & Sheard - Freebury (2014: 112 First record for Canada)
- Rinodina luridata (Körb.) H. Mayrhofer, Scheidegger & Sheard - Freebury (2014: 112 First record for Canada)
- Rinodina metaboliza Vain. - Thomson (1997: 566)
- Rinodina mniaraea (Ach.) Körb. - Looman (1962: 303), Thomson (1997: 567)
- Rinodina parasitica H. Mayrhofer & Poelt - Freebury (2014: 113 First record for Canada)
- Rinodina pyrina (Ach.) Arnold - Looman (1962: 303), Freebury (2014: 113)
- Rinodina straussii J. Steiner - Freebury (2014: 113 First record for Canada)
- Rinodina terrestris H. Magn. - Thomson (1997: 568 as Rinodina mucronatula), Freebury (2014: 113)
- Rinodina turfacea (Wahlenb.) Körb. - Looman (1962: 303)
- Rinodina venostana Buschardt & H. Mayrhofer - Freebury (2014: 113 First record for North America)
- Ropalospora chlorantha (Tuck.) S. Ekman - Looman (1962: 297 as Bacidia chlorantha)
- Rufoplaca arenaria (Pers.) Arup, Søchting & Frödén - Freebury (2014: 107 as Caloplaca arenaria First record)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Looman (1962: 303 as Caloplaca elegans), Argus (1964: 148 as Caloplaca elegans), Thomson (1984: 484 as Xanthoria elegans), Freebury (2014: 114 as Xanthoria elegans)
- Rusavskia sorediata (Vain.) S. Y. Kondr. & Kärnefelt - Thomson (1984: 487 as Xanthoria sorediata)
- Sarcogyne clavus (DC. in Lam. & DC.) Kremp. - Looman (1962: 299), Thomson (1997: 577)
- Sarcogyne hypophaea (Nyl.) Arnold - Freebury (2014: 113 First record)
- Sarcogyne magnussonii B. de Lesd. - Freebury (2014: 113)
- Sarcogyne regularis Körb. - Freebury (2014: 113)
- Sarcogyne similis H. Magn. - Freebury (2014: 113 First record)
- Schaereria tenebrosa (Flot.) Hertel & Poelt - Thomson (1997: 584)
- Scytinium tenuissimum (Dicks.) Otálora, P. M. Jørg. & Wedin - Looman (1962: 296 as Leptogium tenuissimum), Thomson (1984: 264 as Leptogium tenuissimum), Freebury (2014: 113)
- Solitaria chrysophthalma (Degel.) Arup, Søchting & Frödén - Freebury (2014: 107 as Caloplaca chrysophthalma First record)
- Squamarina lentigera (Web.) Poelt - Looman (1962: 300 as Lecanora lentigera)
- Staurothele areolata (Ach.) Lettau - Freebury (2014: 113)
- Staurothele drummondii (Tuck.) Tuck. - Looman (1962: 295 as Staurothele clopima), Looman (1962: 295 as Staurothele perradiata), Thomson (1997: 595), Freebury (2014: 113)
- Staurothele elenkinii H. Magn. - Looman (1962: 295 as Staurothele sessilis), Freebury (2014: 113)
- Staurothele fissa (Tayler) Zwackh - Thomson (1997: 596)
- Staurothele monicae (Zahlbr.) Wetmore - Freebury (2014: 113 First record)
- Stereocaulon alpinum Laurer ex Funck - Thomson (1984: 400)
- Stereocaulon condensatum Hoffm. - Thomson (1984: 407)
- Stereocaulon dactylophyllum Flörke - Thomson (1984: 410)
- Stereocaulon grande (Magn.) Magn. - Thomson (1984: 413)
- Stereocaulon paschale (L.) Hoffm. - Thomson (1984: 418)
- Stereocaulon saxatile Magn. - Thomson (1984: 423)
- Stereocaulon tomentosum Fries - Looman (1962: 299), Thomson (1984: 428)
- Strangospora moriformis (Ach.) Stein - Thomson (1997: 599)
- Tetramelas papillatus (Sommerf.) Kalb - Looman (1962: 303 as Buellia papillata), Freebury (2014: 113)
- Tetramelas triphragmioides (Anzi) A. Nordin & Tibell - Looman (1962: 303 as Buellia triphragmioides)
- Thalloidima sedifolium (Scop.) Kistenich, Timdal, Bendiksby & S. Ekman - Looman (1962: 298 as Toninia coeruleonigricans), Thomson (1997: 614 as Toninia coeruleonigricans), Freebury (2014: 113 as Toninia sedifolia)
- Toninia populorum (A. Massal.) Kistenich, Timdal, Bendiksby & S. Ekman - Looman (1962: 297 as Bacidia acclinis), Thomson (1997: 107 as Bacidia populorum)
- Toninia tristis (Th. Fr.) Th. Fr. - Looman (1962: 298 as Toninia tabacina), Thomson (1997: 620 as Toninia tristis)
- Trapeliopsis flexuosa (Fr.) Coppins & P. James - Freebury (2014: 113)
- Trapeliopsis granulosa (Hoffm.) Lumbsch - Thomson (1997: 624)
- Tremolecia atrata (Ach.) Hertel - Thomson (1997: 627)
- Tuckermannopsis americana (Sprengel) Hale - Thomson (1984: 81 as Cetraria halei)
- Tuckermannopsis ciliaris (Ach.) Gyeln. - Looman (1962: 302 as Cetraria ciliaris)
- Tuckermannopsis sepincola (Ehrh.) Hale - Looman (1962: 302 as Cetraria scutata), Looman (1962: 302 as Cetraria sepincola), Thomson (1984: 73 as Cetraria chlorophylla), Thomson (1984: 94 as Cetraria sepincola)
- Umbilicaria deusta (L.) Baumg. - Thomson (1984: 449)
- Umbilicaria hyperborea (Ach.) Hoffm. var. hyperborea - Argus (1964: 149), Thomson (1984: 453)
- Umbilicaria mammulata (Ach.) Tuck. - Thomson (1984: 454)
- Umbilicaria muehlenbergii (Ach.) Tuck. - Thomson (1984: 26 as Actinogyra muehlenbergii)
- Umbilicaria vellea (L.) Ach. - Thomson (1984: 460)
- Usnea cavernosa Tuck. - Thomson (1984: 463)
- Usnea dasypoga (Ach.) Röhl. - Thomson (1984: 465)
- Usnea glabrata (Ach.) Vain. - Looman (1962: 302), Looman (1962: 302 as Usnea sorediifera)
- Usnea glabrescens (Nyl. ex Vain.) Vain. - Looman (1962: 302 as Usnea compacta)
- Usnea hirta (L.) F. H. Wigg. - Looman (1962: 302), Thomson (1984: 466), Freebury (2014: 113)
- Usnea lapponica Vain. - Looman (1962: 302), Freebury (2014: 113)
- Usnea scabrata Mot. - Looman (1962: 302), Looman (1962: 302 as Usnea scabrata subsp. nylanderiana), Thomson (1984: 468 as Usnea scabrata subsp. nylanderiana)
- Usnea subfloridana Stirt. - Looman (1962: 302 erroneously as Usnea comosa), Thomson (1984: 469)
- Usnea substerilis Mot. - Looman (1962: 302), Thomson (1984: 470)
- Verrucaria bernaicensis Malbr. - Freebury (2014: 113 First record for Canada)
- Verrucaria fusca Pers. - Freebury (2014: 113 First record for Canada)
- Verrucaria glaucovirens Grummann - Looman (1962: 296 as Verrucaria virens), Freebury (2014: 113)
- Verrucaria inficiens Breuss - Freebury (2014: 113 First record for Canada)
- Verrucaria margacea (Wahlenb. in Ach.) Wahlenb. - Looman (1962: 295), Thomson (1997: 639)
- Verrucaria muralis Ach. - Thomson (1997: 641), Freebury (2014: 113)
- Verrucaria nigrescens Pers. - Thomson (1997: 642)
- Verrucaria othmarii K. Knudsen & B. Abbott - Freebury (2014: 114 First record for Canada)
- Verrucaria rupestris Schrad. - Thomson (1997: 643)
- Verrucaria sphaerospora Anzi - Freebury (2014: 114 First record for Canada)
- Verrucaria viridula (Schrad.) Ach. - Looman (1962: 296)
- Vulpicidia pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Looman (1962: 302 as Cetraria pinastri), Thomson (1984: 93 as Cetraria pinastri), Freebury (2014: 114)
- Xanthocarpia crenulatella (Nyl.) Frödén, Arup & Søchting - Freebury (2014: 107 as Caloplaca crenulatella)
- Xanthocarpia tominii (Savicz) Frödén, Arup & Søchting - Thomson (1997: 173 as Caloplaca tominii), Freebury (2014: 108 as Caloplaca tominii)
- Xanthomendoza fallax (Hepp) Söchting, Kärnefelt & S. Kondr. - Looman (1962: 303 as Xanthoria fallax), Thomson (1984: 486 as Xanthoria fallax), Freebury (2014: 114)
- Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Y. Kondr. - Freebury (2014: 114 First record)
- Xanthomendoza montana (L. Lindblom) Søchting, Kärnefelt & S. Y. Kondr. - Freebury (2014: 114)
- Xanthomendoza trachyphylla (Tuck.) Frödén, Arup & Søchting - Looman (1962: 303 as Caloplaca trachyphylla), Thomson (1997: 177 as Caloplaca trachyphylla), Freebury (2014: 108 as Caloplaca trachyphylla)
- Xanthoparmelia camtschadalis (Ach.) Hale - Freebury (2014: 114 First record for Canada)
- Xanthoparmelia chlorochroa (Tuck.) Hale - Looman (1962: 302 as Parmelia chlorochroa), Thomson (1984: 477), Freebury (2014: 114)
- Xanthoparmelia coloradoensis (Gyeln.) Hale - Thomson (1984: 480 erroneously as Xanthoparmelia taractica)
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Looman (1962: 302 as Parmelia conspersa), Argus (1964: 149 as Parmelia conspersa)
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Looman (1962: 302 as Parmelia isidiata)
- Xanthoparmelia idahoensis Hale - Freebury (2014: 114)
- Xanthoparmelia lineola (E. C. Berry) Hale - Argus (1964: 149 as Parmelia conspersa), Freebury (2014: 114)
- Xanthoparmelia loxodes (Nyl.) O. Blanco et al. - Freebury (2014: 114 First record)
- Xanthoparmelia mexicana (Gyeln.) Hale - Freebury (2014: 114)
- Xanthoparmelia stenophylla (Ach.) Athi & D. Hawksw. - Looman (1962: 302 as Parmelia stenophylla)
- Xanthoparmelia subdecipiens (Vain.) Hale - Freebury (2014: 114 First record)
- Xanthoparmelia wyomingica (Gyeln.) Hale - Freebury (2014: 114)
- Xanthoria tibellii S. Y. Kondr. & Kärnefelt - Freebury (2014: 114)
- Xylographa parallela (Ach.: Fr.) Behlen & Desberger - Thomson (1997: 646 as Xylographa abietina)