Checklist of lichens of Nova Scotia (Canada)
31 December 2018
- Acarospora fuscata (Nyl.) Arnold - Thomson (1997: 24)
- Acarospora sinopica (Wahlenb. in Ach.) Körb. - Thomson (1997: 33)
- Alectoria nigricans (Ach.) Nyl. - Thomson (1984: 35)
- Alectoria sarmentosa (Ach.) Ach. - Stirton (1883 as Alectoria subsarmentosa), Cameron (2002: 30), McMullin et al. (2008: 627)
- Alyxoria varia Pers. - MacKay (1881 as Opegrapha varia First record), McMullin et al. (2008: 631 as Opegrapha varia)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Erskine (1952: 145 as Buellia myriocarpa), Thomson (1997: 138 as Buellia punctata)
- Anaptychia crinalis (Schaer.) Vezda - Thomson (1984: 40 erroneously as Anaptychia kaspica)
- Anaptychia palmulata (Michx.) Vain. - Seaward et al. (1997), McMullin et al. (2008: 627)
- Anzia colpodes (Ach.) Stizenb. - Hale (1955), McMullin et al. (2008: 627)
- Arctoparmelia centrifuga (L.) Hale - Thomson (1984: 476 as Xanthoparmelia centrifuga)
- Arctoparmelia incurva (Pers.) Hale - Thomson (1984: 478 as Xanthoparmelia incurva)
- Aspicilia cinerea (L.) Körb. - Thomson (1997: 68)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Thomson (1997: 164 as Caloplaca holocarpa)
- Athallia scopularis (Nyl.) Arup, Frödén & Søchting - Thomson (1997: 169 as Caloplaca scopularis)
- Bacidia diffracta S. Ekman - Ekman (1996: 72 Type in Lund, Sweden LD)
- Bacidia schweinitzii (Fr. ex Tuck.) A. Schneid. - MacKay (1881 as Biatora rubella var. schweinitzii), Lamb (1954: 268), McMullin et al. (2008: 627)
- Baeomyces rufus (Huds.) Rebent. - Thomson (1984: 52)
- Biatora longispora (Degel.) Lendemer & Printzen - McMullin et al. (2008: 627 First record)
- Biatora vernalis (L.) Fr. - Lamb (1954: 254 as Lecidea vernalis), Thomson (1997: 389 as Lecidea vernalis)
- Bilimbia sabuletorum (Schreb.) Arnold - Macoun (xx: xx as Bacidia hypnophila), Lamb (1954: 269 as Bacidia hypnophila), Thomson (1997: 422 as Mycobilimbia sabuletorum)
- Bryocaulon divergens (Ach.) Kärnefelt - Thomson (1984: 199 as Cornicularia divergens)
- Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 55), Cameron (2002: 30)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Thomson (1984: 56)
- Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Ahlner (1948: xx as Alectoria nidulifera), Cameron (2002: 30), McMullin et al. (2008: 627)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977 First record), Thomson (1984: 57), Cameron (2002: 30), McMullin et al. (2008: 627)
- Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977), Thomson (1984: 61), Cameron (2002: 30), Cameron et al. (2007: 6), McMullin et al. (2008: 627)
- Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Thomson (1984: 63)
- Bryoria trichodes (Michx.) Brodo & D. Hawksw. subsp. trichodes - Brodo & Hawksworth (1977), Cameron (2002: 30), Cameron et al. (2007: 6), McMullin et al. (2008: 627)
- Buellia disciformis (Fr.) Mudd - Thomson (1997: 129)
- Buellia stillingiana J. Steiner - Lamb (1954 First record), McMullin et al. (2008: 628)
- Calicium glaucellum Ach. - Selva (1999 First record), McMullin et al. (2008: 628)
- Calicium lenticulare Ach. - MacKay (1881 First record), McMullin et al. (2008: 628)
- Calicium parvum Tibell - Cameron (2002: 30)
- Caloplaca fraxinea I. M. Lamb - Macoun (1902: xx xxx), Lamb (1954: 304 Protologue) Type
- Candelariella aurella (Hoffm.) Zahlbr. - Thomson (1997: 182)
- Catinaria atropurpurea (Schaer.) Vezda & Poelt - MacKay (1881 as Biatora atropurpurea), McMullin et al. (2008: 628)
- Cetraria aculeata (Schreb.) Fr. - Erskine (1952: 144), Thomson (1984: 198 as Cornicularia aculeata), Thell et al. (2002: 286 DNA: ITS)
- Cetraria islandica (L.) Ach. - Thomson (1984: 84)
- Cetraria sepincola (Ehrh.) Ach. - Thomson (1984: 94)
- Cetrelia chicitae (W. L. Culb.) W. L. Culb. & C. F. Culb. - Roland (1980 First record), McMullin et al. (2008: 628)
- Cetrelia olivetorum (Nyl.) W. L. Culb. & C. F. Culb. - Selva (1999 First record), McMullin et al. (2008: 628)
- Chaenotheca brunneola (Ach.) Müll. Arg. - Selva (1999 First version), McMullin et al. (2008: 628)
- Chaenotheca chrysocephala (Ach.) Th. Fr. - Selva (1999: First record), Cameron (2002: 30), McMullin et al. (2008: 628)
- Chaenotheca ferruginea (Turner ex Sm.) Mig. - Selva (1999 First record), McMullin et al. (2008: 628)
- Chaenotheca gracillima (Vain.) Tibell - Selva (1999: First record), McMullin et al. (2008: 628)
- Chaenotheca hygrophila Tibell - McMullin et al. (2008: 628 First record)
- Chaenotheca nitidula Tibell - McMullin et al. (2008: 628 First record)
- Chaenotheca trichialis (Ach.) Hellb. - Selva (1999 First record), McMullin et al. (2008: 628)
- Chrysothrix candelaris (L.) J. R. Laundon - McMullin et al. (2008: 628 First version)
- Cladonia arbuscula (Wallr.) Flot. - Erskine (1952: 145 as Cladonia sylvatica), Osvald (1954: 174 as Cladonia silvatica), Thomson (1984: 110)
- Cladonia cariosa (Ach.) Spreng. - Thomson (1984: 116)
- Cladonia cenotea (Ach.) Schaer. - Thomson (1984: 118)
- Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Thomson (1984: 119)
- Cladonia coccifera (L.) Willd. - Thomson (1984: 121)
- Cladonia coniocraea (Flörke) Spreng. - Thomson (1984: 122), Cameron et al. (2007: 6)
- Cladonia cornuta (L.) Hoffm. - Thomson (1984: 124)
- Cladonia crispata (Ach.) Flot. - Thomson (1984: 125)
- Cladonia cristatella Tuck. - Erskine (1952: 145), Osvald (1954: 174)
- Cladonia deformis (L.) Hoffm. - Erskine (1952: 145), Thomson (1984: 129)
- Cladonia digitata (L.) Hoffm. - Thomson (1984: 131)
- Cladonia ecmocyna Leight. - Thomson (1984: 132)
- Cladonia fimbriata (L.) Fr. - Erskine (1952: 144), Thomson (1984: 133), Thomson (1984: 144 as Cladonia major), Cameron et al. (2007: 6)
- Cladonia glauca Flörke - Osvald (1954: 174)
- Cladonia gracilis (L.) Willd. - Thomson (1984: 137)
- Cladonia grayi G. Merr. ex Sandst. - Thomson (1984: 139)
- Cladonia humilis (With.) J. R. Laundon - Cameron et al. (2007: 6)
- Cladonia macroceras (Delise) Ahti - Osvald (1954: 174 as Cladonia elongata)
- Cladonia maxima (Asahina) Ahti - Thomson (1984: 145)
- Cladonia merochlorophaea Asahina - Thomson (1984: 143)
- Cladonia mitis Sandst. - Thomson (1984: 148), Wein & Speer (1975: 330 as Cladina mitis)
- Cladonia multiformis G. Merr. - Thomson (1984: 149)
- Cladonia parasitica (Hoffm.) Hoffm. - Cameron et al. (2007: 6)
- Cladonia phyllophora Ehrh. ex Hoffm. - Thomson (1984: 153)
- Cladonia pleurota (Flörke) Schaer. - Thomson (1984: 154)
- Cladonia pyxidata (L.) Hoffm. - Erskine (1952: 144)
- Cladonia rangiferina (L.) Weber ex F. H. Wigg. - Erskine (1952: 145), Osvald (1954: 174), Thomson (1984: 159)
- Cladonia scabriuscula (Delise) Leight. - Thomson (1984: 160)
- Cladonia squamosa (Scop.) Hoffm. - Osvald (1954: 174), Thomson (1984: 161), Cameron et al. (2007: 6)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Erskine (1952: 145 as Cladonia sylvatica var. alpestris), Wein & Speer (1975: 330 as Cladina alpestris), Thomson (1984: 163)
- Cladonia subulata (L.) Weber ex F. H. Wigg. - Erskine (1952: 144 as Cladonia furcata var. subulata)
- Cladonia sulphurina (Michx.) Fr. - Thomson (1984: 169)
- Cladonia turgida Ehrh. ex Hoffm. - Thomson (1984: 172)
- Cladonia uncialis (L.) Weber ex F. H. Wigg. - Erskine (1952: 145), Thomson (1984: 173)
- Cladonia verticillata (Hoffm.) Schaer. - Erskine (1952: 144 as Cladonia gracilis var. verticillata), Osvald (1954: 174), Thomson (1984: 174)
- Clauzadea monticola (Ach.) Hafellner & Bellem. - Lamb (1954: 253 as Lecidea fuscorubens)
- Cliostomum griffithii (Sm.) Malme - Lamb (1954: 268 as Catillaria griffithii)
- Coccocarpia palmicola (Spreng.) Arv. & D. J. Galloway - Cameron & Richardson (2006: 9)
- Coenogonium luteum (Dicks.) Kalb & Lücking - Selva (1999 as Dimerella lutea First record), McMullin et al. (2008: 629)
- Collema flaccidum (Ach.) Ach. - Thomson (1984: 186)
- Collema furfuraceum (Schaer.) Du Rietz - Cameron & Richardson (2006: 9)
- Collema leptaleum Tuck. - Lamb (1954: 247)
- Collema nigrescens (Huds.) DC. - Cameron & Richardson (2006: 9)
- Collema subflaccidum Degel. - Degelius (1954 as Collema subfurvum First record), Lamb (1954: 247 as Collema subfurvum), Cameron & Richardson (2006: 9), Cameron et al. (2007: 6), McMullin et al. (2008: 629)
- Cryptodiscus gloeocapsa (Nitschke ex Arnold) Baloch, Gilenstam & Wedin - Osvald (1954: 174 as Gyalecta gloeocapsa)
- Dermatocarpon luridum (Dill. ex With.) J. R. Laundon - Lamb (1954: 244 as Dermatocarpon fluviatile), Thomson (1984: 213 as Dermatocarpon fluviatile)
- Dermatocarpon miniatum (L.) W. Mann - Thomson (1984: 219)
- Dibaeis baeomyces (L. fil.) Rambold & Hertel - Thomson (1984: 51 as Baeomyces roseus)
- Dolichousnea longissima (Ach.) Articus - Macoun (1902 as Usnea longissima First record), Cameron (2002: 30 as Usnea longissima), McMullin et al. (2008: 634 as Usnea longissima)
- Enchylium bachmanianum (Fink) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 179 as Collema bachmanianum)
- Enterographa zonata (Körb.) Källsten ex Torrente & Egea - Tønsberg & Brodo (1992: 225)
- Erioderma pedicellatum (Hue) P. M. Jørg. - Cameron & Richardson (2006: 9), Anderson (2007: 23)
- Evernia mesomorpha Nyl. - Thomson (1984: 229), Cameron et al. (2007: 6)
- Evernia perfragilis Llano - Thomson (1984: 230)
- Felipes leucopellaeus (Ach.) Frisch & G. Thor - McMullin et al. (2008: 627 as Arthonia leucopellaea First record)
- Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Thomson (1984: 92 as Cetraria nivalis)
- Flavoplaca marina (Wedd.) Arup, Frödén & Søchting - Thomson (1997: 166 as Caloplaca marina)
- Fuscidea arboricola Coppins & Tønsberg - McMullin et al. (2008: 629 First record)
- Fuscidea recensa (Stirt.) Hertel, V. Wirth & Vezda - Lamb (1954: 254 as Lecidea recensa Stirt. f. arcuatula Type), Thomson (1997: 234)
- Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Lamb (1954: 248 as Parmeliella lepidiota)
- Gabura fascicularis (L.) P. M. Jørg. - Lamb (1954: 247 as Lempholemma fasciculare)
- Graphis scripta (L.) Ach. - MacKay (1881 First record), Lamb (1954: 246), McMullin et al. (2008: 629)
- Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup - Thomson (1997: 161 as Caloplaca flavovirescens)
- Gyalolechia xanthostigmoidea (Räsänen) Søchting, Frödén & Arup - Thomson (1997: 158 as Caloplaca discolor)
- Gyrographa gyrocarpa Flot. - Tønsberg & Brodo (1992: 226 as Opegrapha gyrocarpa)
- Heterodermia obscurata (Nyl.) Trevis. - Cameron et al. (2007: 6), McMullin et al. (2008: 629 claimed to be the first record)
- Hypogymnia krogiae Ohlsson - Casselman (1997 First record), Cameron (2002: 30), McMullin et al. (2008: 629)
- Hypogymnia physodes (L.) Nyl. - MacKay (1881 as Parmelia physodes), Erskine (1952: 144 as Parmelia physodes var. vulgaris), Thomson (1984: 241), Cameron (2002: 30), Cameron et al. (2007: 6)
- Hypogymnia tubulosa (Schaer.) Hav. - Scotter & Thomson (1966 as Parmelia tubulosa), Cameron (2002: 30), McMullin et al. (2008: 629)
- Icmadophila ericetorum (L.) Zahlbr. - Thomson (1997: 249)
- Imshaugia aleurites (Ach.) S. L. F. Mey. - Selva (1999), McMullin et al. (2008: 629)
- Lambiella furvella (Nyl. ex Mudd) M. Westb. & Resl - Lamb (1954: 266 as Lecidea furvella First record for Canada)
- Lasallia papulosa (Ach.) Llano - Thomson (1984: 245)
- Lecanactis abietina (Ehrh. ex Ach.) Körb. - Selva (1999), McMullin et al. (2008: 629)
- Lecanora allophana (Ach.) Nyl. - Erskine (1952: 144 as Lecanora subfusca var. strynea), Thomson (1997: 266)
- Lecanora caesiorubella Ach. subsp. caesiorubella - Imshaug & Brodo (1966), McMullin et al. (2008: 629)
- Lecanora caesiorubella Ach. subsp. prolifera (Fink) R. C. Harris - Imshaug & Brodo (1996 First record), McMullin et al. (2008: 629)
- Lecanora cenisia Ach. - Thomson (1997: 272)
- Lecanora chlarotera Nyl. - Seaward et al. (1997 First record), McMullin et al. (2008: 629)
- Lecanora circumborealis Brodo & Vitik. - Thomson (1997: 274)
- Lecanora cinereofusca H. Magn. - Roland (1980 First record), McMullin et al. (2008: 629)
- Lecanora hybocarpa (Tuck.) Brodo - Roland (1980 as Lecanora pseudochlarotera nom. nud.), McMullin et al. (2008: 629)
- Lecanora jamesii J. R. Laundon - McMullin et al. (2008: 630 First record)
- Lecanora microbola I. M. Lamb - Lamb (1954: 291 Protologue) Type
- Lecanora polytropa (Ehrh. in Hoffm.) Rabenh. - Thomson (1997: 299)
- Lecanora pulicaris (Pers.) Ach. - Thomson (1997: 301)
- Lecanora thysanophora R. C. Harris - Selva (1999 First record), McMullin et al. (2008: 630)
- Lecanora varia (Hoffm.) Ach. - Erskine (1952: 144)
- Lecanora xylophila Hue - Thomson (1997: 284 as Lecanora grantii)
- Lecidea albofuscescens Nyl. - Lamb (1954: 253)
- Lecidea confluens (Weber) Ach. - Lamb (1954: 265)
- Lecidea lactea Flörke ex Schaer. - Lamb (1954: 266 as Lecidea cyanea)
- Lecidea helvola (Körb. ex Hellb.) Th. Fr. - Lamb (1954: 254 as Lecidea helvola)
- Lecidea lapicida (Ach.) Ach. - Thomson (1997: 357)
- Lecidea lithophila (Ach.) Ach. - Lamb (1954: 266 as Lecidea lapicida f. ochracea)
- Lecidea plana (J. Lahm) Nyl. - Lamb (1954: 267), Thomson (1997: 372)
- Lecidea tessellata Flörke - Thomson (1997: 384)
- Lecidella carpathica Körb. - Thomson (1997: 395)
- Lepra amara (Ach.) Hafellner - Lamb (1954 as Pertusaria amara First record), McMullin et al. (2008: 632 as Pertusaria amara), Cameron (2002: 30 as Pertusaria amara)
- Lepra multipunctoides (Dibben) Lendemer & R. C. Harris - Dibben (1980 as Pertusaria multipunctoides First record), McMullin et al. (2008: 632 as Pertusaria multipunctoides)
- Lepra ophthalmiza (Nyl.) Hafellner - Selva (1999 as Pertusaria ophthalmiza First record), McMullin et al. (2008: 632 as Pertusaria ophthalmiza)
- Lepra pustulata (Brodo & W. L. Culb.) Lendemer & R. C. Harris - Brodo & Culberson (1986 as Haematomma pustulatum First record), McMullin et al. (2008: 630)
- Lepraria lobificans Nyl. - Cameron (2002: 30)
- Lepraria membranacea (Dicks.) Vain. - Lamb (1954: 246 as Crocynia membranacea)
- Leptogium acadiense J. W. Hinds, F. L. Anderson & Lendemer - Stone et al. (2016: 403 Type)
- Leptogium corticola (Taylor) Tuck. - Goward et al. (1998), Cameron & Richardson (2006: 9), McMullin et al. (2008: 630)
- Leptogium cyanescens (Rabenh.) Körb. - MacKay (1881 as Leptogium tremelloides auct.), Lamb (1954: 248), Cameron & Richardson (2006: 9), Cameron et al. (2007: 6), McMullin et al. (2008: 630)
- Leptogium laceroides (B. de Lesd.) P. M. Jørg. - Seaward et al. (1997 First record), Cameron & Richardson (2006: 9), Cameron et al. (2007: 6), McMullin et al. (2008: 630)
- Leptogium saturninum (Dicks.) Nyl. - Cameron & Richardson (2006: 9)
- Lichina confinis (O. F. Müll.) C. Agardh - Lamb (1954: 247)
- Leimonis erratica (Körb.) R. C. Harris & Lendemer - Lamb (1954: 266 as Lecidea erratica)
- Lobaria pulmonaria (L.) Hoffm. - MayKay (1881 as Sticta pulmonaria), Erskine (1952: 144 as Sticta pulmonaria), Lamb (1954: 248), Wein & Speer (1975: 330), Cameron (2002: 30), Cameron & Richardson (2006: 9), Cameron et al. (2007: 6), McMullin et al. (2008: 630 First record)
- Lobaria quercizans Michx. - Macoun (1902: 82), Lamb (1954: 249), Cameron (2002: 30), Stenroos et al. (2003: 236 ITS), Cameron & Richardson (2006: 9), Cameron et al. (2007: 6), McMullin et al. (2008: 630)
- Lobaria verrucosa (Huds.) Hoffm. - Lamb (1954: 249)
- Lobarina scrobiculata (Scop.) Nyl. ex Cromb. - MacKay (1881 as Sticta scrobiculata), Lamb (1954: 248 as Lobaria verrucosa), Thomson (1984: 271 as Lobaria scrobiculata), Cameron (2002: 30 as Lobaria scrobiculata), Cameron & Richardson (2006: 9 as Lobaria scrobiculata), Cameron et al. (2007: 6 as Lobaria scrobiculata), McMullin et al. (2008: 630)
- Lopadium disciforme (Flot.) Kullhem - MacKay (1881 erroneously as Heterothecium pezizoideum First record), Cameron (2002: 30), McMullin et al. (2008: 630)
- Lopadium pezizoideum (Ach.) Körb. - Thomson (1997: 411)
- Loxospora cismonica (Beltr.) Hafellner - Seaward et al. (1997 First record), McMullin et al. (2008: 630)
- Loxospora elatina (Ach.) A. Massal. - MayKay (1881 as Lecanora elatina), Cameron (2002: 30), McMullin et al. (2008: 630)
- Loxospora ochrophaea (Tuck.) R. C. Harris - Lamb (1954 as Haematomma ochrophaeum First record), Cameron (2002: 30), McMullin et al. (2008: 630)
- Massalongia carnosa (Dicks.) Körb. - Lamb (1954: 248), Thomson (1984: 274)
- Megalaria grossa (Pers. ex Nyl.) Hafellner - MacKay (1881 as Heterothecium grossum First record), Lamb (1954: 268 as Catillaria grossa), McMullin et al. (2008: 631)
- Megalaria laureri (Hepp ex Th. Fr.) Hafellner - Lamb (1954: 268 as Catillaria laureri)
- Megalospora porphyritis (Tuck.) R. C. Harris - McMullin et al. (2008: 631 First record)
- Melanelia hepatizon (Ach.) A. Thell - Thomson (1984: 82 as Cetraria hepatizon)
- Melanelixia fuliginosa (Fr. ex Duby) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Thomson (1984: 303 as Parmelia glabratula)
- Melanelixia subaurifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Thomson (1984: 316 as Parmelia subaurifera), Cameron et al. (2007: 6)
- Melanohalea olivacea (L.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Erskine (1952: 144 as Parmelia olivacea var. sorediata)
- Menegazzia subsimilis (H. Magn.) R. Sant. - McMullin et al. (2008: 631 First record)
- Menegazzia terebrata (Hoffm.) A. Massal. - Hale (1955 as Parmelia pertusaria), McMullin et al. (2008: 631)
- Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 299 as Parmelia disjuncta)
- Montanelia panniformis (Nyl.) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 309 as Parmelia panniformis)
- Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 312 as Parmelia sorediosa)
- Mycoblastus affinis (Schaer.) T. Schauer - Lamb (1954: 268 as Mycoblastus melinus), Thomson (1997: 424)
- Mycoblastus sanguinarius (L.) Norman - Macoun (1902 as Heterothecium sanguinarium), Lamb (1954: 268), Thomson (1997: 426), Cameron (2002: 30), McMullin et al. (2008: 631)
- Myriolecis contractula (Nyl.) Sliwa, Zhao Xin & Lumbsch - Thomson (1997: 276 as Lecanora contractula)
- Myriospora smaragdula (Wahlenb. ex Ach.) K. Knudsen & B. Abbott - Knudsen (2007: 95 as Acarospora smaragdula)
- Nephroma arcticum (L.) Torss. - Lamb (1954: 250), Thomson (1984: 277)
- Nephroma bellum (Spreng.) Tuck. - Thomson (1984: 278), Cameron & Richardson (2006: 9)
- Nephroma helveticum Ach. - Wetmore (1960 First record), Thomson (1984: 280), Cameron & Richardson (2006: 9), McMullin et al. (2008: 631)
- Nephroma laevigatum Ach. - MayKay (1881), Lamb (1954: 250 as Nephroma subtomentellum), Lamb (1954: 250 as Nephroma lusitanicum), Cameron & Richardson (2006: 9), McMullin et al. (2008: 631)
- Nephroma parile (Ach.) Ach. - Lamb (1954: 250), Thomson (1984: 282)
- Normandina pulchella (Borrer) Nyl. - Seaward et al. (1997), McMullin et al. (2008: 631)
- Ochrolechia androgyna (Hoffm.) Arnold - Lamb (1954 First record), Thomson (1997: 430), Cameron (2002: 30), McMullin et al. (2008: 631)
- Ochrolechia arborea (Kreyer) Almb. - Brodo (1991 First record), McMullin et al. (2008: 631)
- Ochrolechia frigida (Sw.) Lynge - Thomson (1997: 431)
- Ochrolechia pseudopallescens Brodo - Brodo (1991 First record), McMullin et al. (2008: 631)
- Ochrolechia trochophora (Vain.) Oshio - Brodo (1991 First record), Seaward et al. (1997: xx Claimed to be the first record for North America)
- Palicella filamentosa (Stirt.) Rodr. Flakus & Printzen - Erskine (1952: 144 as Lecanora varia var. symmicta), Thomson (1997: 309 as Lecanora symmicta)
- Pannaria conoplea (Ach.) Bory - Macoun (1902 as Pannaria rubiginosa var. conoplea and Pannaria lanuginosa), Cameron & Richardson (2006: 9), McMullin et al. (2008: 631)
- Pannaria rubiginosa (Thunb. ex Ach.) Delise - Selva (1999 First record), Cameron et al. (2007: 6), McMullin et al. (2008: 631)
- Parmelia fertilis Müll. Arg. - Hale (1987: 25)
- Parmelia omphalodes (L.) Ach. - Thomson (1984: 308)
- Parmelia saxatilis (L.) Ach. - Thomson (1984: 310)
- Parmelia squarrosa Hale - Roland (1980), Thomson (1984: 313), Cameron et al. (2007: 7), McMullin et al. (2008: 631)
- Parmelia sulcata Taylor - Macoun (1902 as Parmelia saxatilis var. sulcata), Erskine (1952: 144 as Parmelia saxatilis var. sulcata), Wein & Speer (1975: 330), Thomson (1984: 318), Cameron (2002: 30), Cameron et al. (2007: 7), McMullin et al. (2008: 631)
- Parmeliella corallinoides (Hoffm.) Zahlbr. - Lamb (1954: 248)
- Parmeliella triptophylla (Ach.) Müll. Arg. - MacKay (1881 as Pannaria triptophylla First record), Thomson (1984: 321), Cameron & Richardson (2006: 9), McMullin et al. (2008: 632)
- Parmeliopsis ambigua (Wulfen) Nyl. - Thomson (1984: 325)
- Parmeliopsis hyperopta (Ach.) Vain. - Thomson (1984: 326)
- Parmotrema crinitum (Ach.) M. Choisy - Lowe (1909 as Parmelia crinita f. pilosella First record), McMullin et al. (2008: 632)
- Pectenia plumbea (Lightf.) P. M. Jørg., L. Lindblom, Wedin & S. Ekman - Lamb (1954: 248 as Parmeliella plumbea), Cameron & Richardson (2006: 9 as Degelia plumbea), Anderson (2007: 24 as Degelia plumbea)
- Peltigera aphthosa (L.) Willd. - Lamb (1954: 251), Thomson (1984: 329)
- Peltigera canina (L.) Willd. - Erskine (1952: 144), Lamb (1954: 251)
- Peltigera canina (L.) Willd. var. albescens (Wahlenb.) Thomson - Lamb (1954: 251)
- Peltigera didactyla (With.) J. R. Laundon - Lamb (1954: 253 as Peltigera spuria), Thomson (1984: 332 as Peltigera canina f. sorediata)
- Peltigera elisabethae Gyeln. - Roland (1980 First record), McMullin et al. (2008: 632)
- Peltigera evansiana Gyeln. - Selva (1999 First record), McMullin et al. (2008: 632)
- Peltigera horizontalis (Huds.) Baumg. - Macoun (1902 First record), Lamb (1954: 252), Thomson (1984: 337), McMullin et al. (2008: 632)
- Peltigera hydrothyria Miadl. & Lutzoni - Anderson (2007: 24)
- Peltigera leucophlebia (Nyl.) Gyeln. - Lamb (1954: 251 as Peltigera aphthosa var. variolosa), Thomson (1984: 330 as Peltigera aphthosa var. leucophlebia)
- Peltigera membranacea (Ach.) Nyl. - Lamb (1954: 252 First record), Thomson (1984: 340), McMullin et al. (2008: 632)
- Peltigera polydactylon (Neck.) Hoffm. - Lamb (1954: 252), Thomson (1984: 343), Selva (1999), McMullin et al. (2008: 632)
- Peltigera polydactyla (Neck.) Hoffm. f. microcarpa (Ach.) Merat - Lamb (1954: 253)
- Peltigera ponojensis Gyeln. - McMullin et al. (2008: 632 First record)
- Peltigera praetextata (Flörke ex Sommerf.) Zopf - Selva (1999), Cameron et al. (2007: 7), McMullin et al. (2008: 632)
- Peltigera rufescens (Weiss) Humb. - Lamb (1954: 252 as Peltigera canina var. rufescens), Thomson (1984: 333 as Peltigera canina var. rufescens)
- Peltigera scabrosa Th. Fr. - Lamb (1954: 253), Thomson (1984: 344)
- Pertusaria dactylina (Ach.) Nyl. - McMullin et al. (2008: 632 First record)
- Pertusaria leioplaca DC. - MayKay (1881 First record), Thomson (1997: 447 as Pertusaria alpina), McMullin et al. (2008: 632)
- Pertusaria macounii (I. M. Lamb) Dibben - Macoun (1902 as Pertusaria communis First record), Lamb (1954: 286 as Melanaria macounii Protologue), Dibben (1980: 95), McMullin et al. (2008: 632) Type
- Pertusaria neoscotica I. M. Lamb - Lamb (1954: Protologue) Type
- Pertusaria trachythallina Erichsen - Selva (1999 First record), McMullin et al. (2008: 632)
- Pertusaria waghornei Hulting - Selva (1999 First record), McMullin et al. (2008: 632)
- Phaeophyscia pusilloides (Zahlbr.) Essl. - Cameron et al. (2007: 7)
- Phaeophyscia rubropulchra (Degel.) Essl. - Cameron et al. (2007: 7)
- Phlyctis argena (Ach.) Flot. - Seaward et al. (1997 First record), McMullin et al. (2008: 632)
- Phlyctis speirea G. Merr - McMullin et al. (2008: 633 First record)
- Physcia adscendens H. Olivier - Thomson (1984: 352), Cameron et al. (2007: 7)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Thomson (1984: 353)
- Physcia caesia (Hoffm.) Fürnr. - Thomson (1984: 354)
- Physcia dubia (Hoffm.) Lettau - Thomson (1984: 355)
- Physcia millegrana Degel. - Cameron et al. (2007: 7)
- Physconia detersa (Nyl.) Poelt - Cameron et al. (2007: 7)
- Placynthiella uliginosa (Schrad.) Coppins & P. James - Lamb (1954: 254 as Lecidea uliginosa), Thomson (1997: 475)
- Platismatia glauca (L.) C. F. Culb. & W. L. Culb. - MacKay (1881 as Cetraria glauca First record), Wein & Speer (1975: 330), Thomson (1984: 368), Cameron (2002: 30), Cameron et al. (2007: 7), McMullin et al. (2008: 633)
- Platismatia tuckermanii (Oakes) W. L. Culb. & C. F. Culb. - Ward (1968 as Cetraria tuckermanii First record), Cameron (2002: 30), McMullin et al. (2008: 633)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup & Søchting - Thomson (1984: 487 as Xanthoria polycarpa)
- Polysporina simplex (Taylor) Vezda - Thomson (1997: 486)
- Porpidia cinereoatra (Ach.) Hertel & Knoph - Lamb (1954: 265 as Lecidea cinereoatra)
- Porpidia crustulata (Ach.) Hertel & Knoph - Lamb (1954: 265 as Lecidea crustulata), Lamb (1954: 265 as Lecidea crustulata f. minutissima)
- Porpidia tuberculosa (Sm.) Hertel & Knoph - Lamb (1954: 267 as Lecidea tumida), Thomson (1997: 500)
- Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman - MacKay (1881 as Pannaria brunnea First record), Lamb (1954: 248 as Pannaria pezizoides), Thomson (1984: 294 as Pannaria pezizoides), McMullin et al. (2008: 633)
- Pseudocyphellaria crocata (L.) Vain. - MacKay (1881 as Sticta crocata First record), Stenroos et al. (2003: 236 DNA: ITS), Cameron (2002: 30), Cameron & Richardson (2006: 9), Cameron et al. (2007: 7)
- Pseudocyphellaria mougeotiana (Delise) Vain. - Lamb (1954: 249 First record for Canada),
- Pseudocyphellaria perpetua McCune & Miadl. - Miadlikowska et al. (2002 First record), Cameron & Richardson (2006: 9), McMullin et al. (2008: 633)
- Punctelia rudecta (Ach.) Krog - MacKay (1881 erroneously as Parmelia borreri), Cameron et al. (2007: 7), McMullin et al. (2008: 633)
- Pycnothelia papillaria (Ehrh.) L. M. Dufour - Thomson (1984: 377)
- Pyrenula laevigata (Pers.) Arnold - Selva (1999 First record), McMullin et al. (2008: 633)
- Pyrenula pseudobufonia (Rehm) R. C. Harris - Harris (1973 as Pertusaria neglecta First record), McMullin et al. (2008: 633)
- Pyrrhospora quernea (Dicks.) Körb. - McMullin et al. (2008: 633 First record)
- Pyxine sorediata (Ach.) Mont. - Macoun (1902 First record), Cameron et al. (2007: 7), McMullin et al. (2008: 633)
- Ramalina americana Hale - Cameron et al. (2007: 7)
- Ramalina dilacerata (Hoffm.) Hoffm. - Macoun (1902 as Ramalina minuscula First record), Cameron et al. (2007: 7), McMullin et al. (2008: 633)
- Ramalina farinacea (L.) Ach. - Cameron et al. (2007: 7)
- Ramalina intermedia (Delise ex Nyl.) Nyl. - Thomson (1984: 379)
- Ramalina roesleri (Hochst. ex Schaer.) Nyl. - Lamb (1954 First record), Thomson (1984: 233 as Fistulariella roesleri), Cameron et al. (2007: 7), McMullin et al. (2008: 633)
- Ramalina thrausta (Ach.) Nyl. - Cameron (2002: 30)
- Rhizocarpon concentricum (Davis) Beltram. - Lamb (1954: 270), Thomson (1997: 529 as Rhizocarpon concentricum)
- Rhizocarpon disporum (Nägeli) Müll. Arg. - Lamb (1954: 270),
- Rhizocarpon distinctum Th. Fr. - Lamb (1954: 270), Thomson (1997: 532)
- Rhizocarpon eupetraeum (Nyl.) Arnold - Lamb (1954: 270), Thomson (1997: 533)
- Rhizocarpon geminatum Körb. - Lamb (1954: 270 as Rhizocarpon disporum überprüfen), Thomson (1997: 537)
- Rhizocarpon geographicum (L.) DC. - Lamb (1954: 270), Thomson (1997: 538)
- Rhizocarpon lavatum (Ach.) Hazsl. - Lamb (1954: 271 as Rhizocarpon obscuratum f. lavatum),
- Rhizocarpon obscuratum auct. - Thomson (1997: 545)
- Rhizocarpon plicatile (Leight.) A. L. Sm. - Lamb (1954: 271 in abundance),
- Rhizocarpon tetramerum (Vain.) Vain. - Lamb (1954: 271 First record for Canada)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Thomson (1997: 554)
- Ricasolia amplissima (Scop.) De Not. - Cameron et al. (2007: 6 as Dendriscocaulon umhausense)
- Rimularia furvella (Nyl. ex Mudd) Hertel & Rambold - Thomson (1997: 346 as Lecidea furvella)
- Rinodina willeyii Sheard & Giralt - McMullin et al. (2008: 633 First record)
- Ropalospora chlorantha (Tuck.) S. Ekman - MacKay (1881 as Biatora chlorantha First record), Lamb (1954: 268 as Bacidia chlorantha), McMullin et al. (2008: 633)
- Ropalospora viridis (Tonsberg) Tonsberg - McMullin et al. (2008: 633 First record)
- Rusavskia elegans (Link.) S. Y. Kondr. & Kärnefelt - Thomson (1984: 484 as Xanthoria elegans)
- Rockefellera crossophylla (Tuck.) Lendemer & E. Tripp - Lendemer & Anderson (2008: 74 as Santessoniella crossophylla)
- Sarcogyne regularis Körb. - Thomson (1997: 579)
- Schaereria fuscocinerea var. fuscocinerea - Lamb (1954: 267 as Lecidea tenebrosa), Thomson (1997: 584 as Schaereria tenebrosa)
- Solorina saccata (L.) Ach. - Thomson (1984: 390)
- Sphaerophorus fragilis (L.) Pers. - Lamb (1954: 245), Thomson (1984: 393)
- Sphaerophorus globosus (Huds.) Vain. - MacKay (1881 as Sphaerophorus globiferus First record), Lamb (1954: 245), Thomson (1984: 394), Cameron (2002: 30), McMullin et al. (2008: 634)
- Stereocaulon dactylophyllum Flörke var. dactylophyllum - Lamb (1954: 271 as Stereocaulon coralloides), Thomson (1984: 410)
- Stereocaulon dactylophyllum Flörke var. occidentale (H. Magn.) Grummann - Lamb (1954: 272 as Stereocaulon coralloides Fr. var. occidentale)
- Stereocaulon dactylophyllum Flörke var. spissum (Nyl.) ined. - Lamb (1954: 272 as Stereocaulon coralloides Fr. var. spissum Type)
- Stereocaulon grande (H. Magn.) H. Magn. - Thomson (1984: 413)
- Stereocaulon paschale (L.) Hoffm. - Lamb (1954: 272), Thomson (1984: 418)
- Stereocaulon paschale (L.) Hoffm. f. colligatum M. Lamb - Lamb (1954: 272 Protologue) Type
- Stereocaulon pileatum Ach - Thomson (1984: 419)
- Stereocaulon saxatile H. Magn. - Thomson (1984: 423)
- Stereocaulon tomentosum E. Fries - Thomson (1984: 428)
- Sticta fuliginosa (Dicks.) Ach. - Cameron & Richardson (2006: 9)
- Sticta limbata (Sm.) Ach. - Anderson (2007: 24)
- Stictis urceolata (Ach.) Gilenstam - Lamb (1954: 246 as Conotrema urceolatum)
- Thelotrema lepadinum (Ach.) Ach. - MacKay (1881 First record), Cameron (2002: 30), McMullin et al. (2008: 634)
- Trapelia coarctata (Turner ex Sm. & Sow.) M. Choisy - Thomson (1997: 621)
- Trapelia elacista (Ach.) Orange - Lamb (1954: 253 as Lecidea coarctata var. elachista)
- Trapelia involuta (Taylor) Hertel - Lamb (1954: 253 as Lecidea coarctata var. ornata)
- Trapeliopsis granulosa (Hoffm.) Lumbsch - Lamb (1954: 254 as Lecidea granulosa), Thomson (1997: 624)
- Traponora varians (Ach.) J. Kalb & Kalb - Lamb (1954: 254 as Lecidea varians)
- Tuckermanopsis americana (Spreng.) Hale - Culberson & Culberson (1967 as Cetraria halei First record), Thomson (1984: 81 as Cetraria halei), McMullin et al. (2008: 634)
- Tuckermanopsis orbata (Nyl.) M. J. Lai - Selva (1991 First version), McMullin et al. (2008: 634)
- Umbilicaria cylindrica (L.) Delise - Thomson (1984: 448)
- Umbilicaria deusta (L.) Baumg. - Thomson (1984: 449)
- Umbilicaria hyperborea (Ach.) Hoffm. - Thomson (1984: 453)
- Umbilicaria mammulata (Ach.) Tuck. - Thomson (1984: 454)
- Umbilicaria muehlenbergii (Ach.) Tuck. - Thomson (1984: 26 as Actinogyra muehlenbergii)
- Umbilicaria polyphylla (L.) Baumg. - Thomson (1984: 457)
- Umbilicaria vellea (L.) Ach. - Thomson (1984: 460)
- Usnea ceratina Ach. - Macoun (1902 as Usnea barbata var. ceratina First record), McMullin et al. (2008: 634)
- Usnea chaetophora Stirt. - McMullin et al. (2008: 634 First record)
- Usnea cornuta Körb. - McMullin et al. (2008: 634 First record)
- Usnea filipendula Stirt. - Lamb (1954 as Usnea dasopoga First record, Wein & Speer (1975: 330 as Usnea dasopoga), Thomson (1984: 465 as Usnea dasopoga), Cameron et al. (2007: 7), McMullin et al. (2008: 634)
- Usnea fragilescens Hav. ex Lynge - McMullin et al. (2008: 634 First record)
- Usnea fulvoreagens (Räsänen) Räsänen - Roland (1980 First record), McMullin et al. (2008: 634)
- Usnea lapponica Vain. - Cameron (2002: 30), Cameron et al. (2007: 7)
- Usnea merrillii Motyka - McMullin et al. (2008: 634 First record)
- Usnea mutabilis Stirt. - Roland (1980 First record), McMullin et al. (2008: 634)
- Usnea praetervisa (Asahina) P. Clerc - McMullin et al. (2008: 634 First record)
- Usnea rubicunda Stirt. - Cameron (2002: 30 First record), McMullin et al. (2008: 634)
- Usnea schadenbergiana Göpp. & Stein - Andrachuk (2005 as Usnea hesperina First record), McMullin et al. (2008: 635)
- Usnea silesiaca Motyka - McMullin et al. (2008: 634 First record)
- Usnea strigosa (Ach.) Pers. - Casselman & Hill (1995 First record), Cameron (2002: 30), Cameron et al. (2007: 7), McMullin et al. (2008: 634)
- Usnea subfloridana Stirt. - Casselman & Hill (1995 First record), Cameron et al. (2007: 7), McMullin et al. (2008: 635)
- Usnea subscabrosa Nyl. ex Motyka - Andrachuk (2005 First record), McMullin et al. (2008: 635)
- Usnea trichodea Ach. - Tuckerman (1847 First record), Cameron (2002: 30), McMullin et al. (2008: 635)
- Varicellaria rhodocarpa (Körb.) Th. Fr. - Thomson (1997: 629)
- Varicellaria velata (Turner) I. Schmitt & Lumbsch - MayKay (1881: xx as Pertusaria velata First record), McMullin et al. (2008: 632 as Pertusaria velata)
- Verrucaria acrotella Ach. - Lamb (1954: 244)
- Verrucaria erichsenii Zschacke - Lamb (1954: 244), Thomson (1997: 637)
- Verrucaria muralis Ach. - Thomson (1997: 641)
- Verrucaria umbrinula Nyl. - Lamb (1954: 244)
- Viridothelium virens (Tuck. ex Michener) Lücking, M. P. Nelsen & Aptroot - Lamb (1954: 245 as Trypethelium virens)
- Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Thomson (1984: 93 as Cetraria pinastri)
- Wahlenbergiella mucosa (Wahlenb.) Gueidan & Thüs - Thomson (1997: 641 as Verrucaria mucosa)
- Wahlenbergiella striatula (Wahlenb.) Gueidan & Thüs - Thomson (1997: 645 as Verrucaria striatula)
- Xylographa abietina (Pers.) Zahlbr. - Lamb (1954: 245), Thomson (1997: 646)
- Xylographa opegraphella Nyl. ex Rothr. - Lamb (1954: 246)
- Xylographa parallela (Ach.) Fr. - Erskine (1952: 145)