External link - taxa
| Stereocaulon arenarium (L. I. Savicz) I. M. Lamb - Arenaria Snow Lichen BIOLIB: (Savicz) Lamb | |
| Stereocaulon botryosum Ach. - Snow Lichen | |
| Stereocaulon glareosum (L. I. Savicz) H. Magn. - Glare Snow Lichen BIOLIB: (Savicz) H. Magn. | |
| Stereocaulon vesuvianum Pers. - Vesuvius Snow Lichen | |
| Thamnolia vermicularis var. subuliformis (Ehrh.) Schaer. = Thamnolia vermicularis subsp. subuliformis (Ehrh.) Schaer. - Whiteworm Lichen | |
Trapeliopsis granulosa (Hoffm.) Lumbsch - Granular Trapeliopsis Lichen  | |
| Tremolecia atrata (Ach.) Hertel - Disc Lichen | |
| Umbilicaria arctica (Ach.) Nyl. - Arctic Navel Lichen | |
| Umbilicaria decussata (Vill.) Zahlbr. - Navel Lichen | |
| Umbilicaria hyperborea (Ach.) Hoffm. - Navel Lichen | |
| Umbilicaria lyngei Schol. - Lynge's Navel Lichen | |
| Umbilicaria proboscidea (L.) Schrad. - Navel Lichen BIOLIB: (L.) Schrader | |
| Umbilicaria torrefacta (Lightf.) Schrad. - Navel Lichen BIOLIB: (Lightf.) Schrader | |
| Umbilicaria virginis Schaer. - Navel Lichen BIOLIB: Schaerer | |
| Verrucaria ceuthocarpa Wahlenb. - Wart Lichen | |
| Vestergrenopsis isidiata (Degel.) Å. E. Dahl - Vestergrenopsis Lichen BIOLIB: (Degel.) E. Dahl | |
| Xanthoria candelaria (L.) Th. Fr. = Polycauliona candelaria (L.) Frödén, Arup & Søchting - Orange Wall Lichen | |
| Xanthoria elegans (Link) Th. Fr. - Elegant Orange Wall Lichen BIOLIB: (Link.) Th. Fr. | |
| Xanthoria sorediata (Vain.) Poelt - Orange Wall Lichen | |
| Acarospora badiofusca (Nyl.) Th. Fr. - Cracked Lichen | |
| Acarospora molybdina (Wahlenb.) Trevis. - Molybdenum Cracked Lichen BIOLIB: (Wahlenb.) Trevisan | |
| Acarospora sinopica (Wahlenb.) Körb. - Cracked Lichen | |
| Alectoria nigricans (Ach.) Nyl. - Witch's Hair Lichen | |
| Alectoria ochroleuca (Hoffm.) A. Massal. - Witch's Hair Lichen | |
| Allantoparmelia alpicola (Th. Fr.) Essl. - Allantoparmelia Lichen | |
| Amygdalaria panaeola (Ach.) Hertel & Brodo - Amygdalaria Lichen | |
| Arctocetraria andrejevii (Oksner) Kärnefelt & A. Thell. BIOLIB: (Oksner) Karnefelt & Thell | |
| Arctocetraria nigricascens (Nyl.) Kärnefelt & A. Thell. - Cetraria Lichen BIOLIB: (Nyl.) Karnefelt & Thell | |
| Arctoparmelia incurva (Pers.) Hale - Arctoparmelia Lichen | |
| Arthrorhaphis alpina (Schaer.) R. Sant. - Alpine Arthrorhaphis Lichen | |
| Arthrorhaphis citrinella (Ach.) Poelt - Arthrorhaphis Lichen | |
| Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold - Rimmed Lichen BIOLIB: (Nyl. ex Malbr.) Arnold | |
| Aspicilia mastoidea (Lynge) Thomson - Rimmed Lichen BIOLIB: (Lynge) J. W. Thomson | |
| Aspicilia mastrucata (Wahlenb.) Th. Fr. | |
| Baeomyces placophyllus Ach. - Cap Lichen | |
| Baeomyces rufus (Huds.) Rebent. - Cap Lichen | |
| Bellemerea subsorediza (Lynge) R. Sant. - Bellemerea Lichen | |
| Biatora vernalis (L.) Fr. - Spring Biatora Lichen | |
| Bryocaulon divergens (Ach.) Kärnefelt = Alectoria divergens (Ach.) Nyl. - Bryocaulon Lichen | |
| Bryonora castanea (Hepp) Poelt - Bryonora Lichen | |
| Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Horsehair Lichen | |
| Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Horsehair Lichen | |
| Buellia papillata (Sommerf.) Tuck. - Disc Lichen | |
| Caloplaca alcarum Poelt - Orange Lichen | |
| Caloplaca ammiospila (Wahlenb.) H. Olivier - Orange Lichen BIOLIB: (Wahlenb. in Ach.) Olivier | |
| Caloplaca castellana (Räsänen) Poelt - Orange Lichen BIOLIB: (Rasanen) Poelt | |
| Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr. - Orange Lichen BIOLIB: (Ehr. ex Hedv.) Th. Fr. | |
| Caloplaca fraudans (Th. Fr.) H. Olivier - Orange Lichen | |
| Caloplaca nivalis (Körb.) Th. Fr. - Orange Lichen | |
| Caloplaca psoricida E. S. Hansen & al. | |
| Caloplaca tetraspora (Nyl.) H. Olivier - Orange Lichen | |
| Caloplaca tiroliensis Zahlbr. - Orange Lichen | |
| Candelariella dispersa (Räsänen) Hakul. - Dispersed Eggyolk Lichen | |
| Candelariella placodizans (Nyl.) H. Magn. - Eggyolk Lichen | |
| Candelariella vitellina (Hoffm.) Müll. Arg. - Eggyolk Lichen | |
| Candelariella xanthostigma (Ach.) Lettau - Eggyolk Lichen | |
| Catapyrenium cinereum (Pers.) Körb. - Earth Lichen BIOLIB: (Pers.) Korber | |
| Cetraria islandica (L.) Ach. - Island Cetraria Lichen | |
| Cetraria muricata (Ach.) Eckfeldt | |
| Cetraria nigricans Nyl. = Arctocetraria nigricascens (Nyl.) Karnefelt & Thell - Cetraria Lichen | |
| Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell. BIOLIB: (Bory ex Schaerer) Karnefelt & Thell | |
| Cladonia acuminata (Ach.) Norrl. - Acutetip Cup Lichen BIOLIB: (Ach.) Norrlin | |
| Cladonia alaskana A. Evans - Alaskan Cup Lichen | |
| Cladonia amaurocraea (Flörke) Schaer. | |
| Cladonia bellidiflora (Ach.) Schaer. - Cup Lichen BIOLIB: (Ach.) Schaerer | |
| Cladonia borealis S. Stenroos - Boreal Cup Lichen | |
| Cladonia cenotea (Ach.) Schaer. - Cup Lichen BIOLIB: (Ach.) Schaerer | |
| Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Pixie Cup Lichen BIOLIB: (Florke ex Summerf.) Sprengel | |
| Cladonia cyanipes (Sommerf.) Nyl. - Cup Lichen | |
| Cladonia fimbriata (L.) Fr. - Cup Lichen | |
| Cladonia gracilis (L.) Willd. - Cup Lichen | |
| Cladonia macrophylla (Schaer.) Stenh. - Largeleaf Cup Lichen BIOLIB: (Schaerer) Stenham. | |
| Cladonia macrophyllodes Nyl. - Cup Lichen | |
| Cladonia mitis Sandst. - Reindeer Lichen | |
| Cladonia phyllophora Hoffm. - Cup Lichen | |
| Cladonia pleurota (Flörke) Schaer. - Cup Lichen BIOLIB: (Flk.) Schaerer | |
| Cladonia pyxidata (L.) Hoffm. - Cup Lichen | |
| Cladonia squamosa Hoffm. - Cup Lichen BIOLIB: (Scop.) Hoffm. | |
| Cladonia stygia (Fr.) Ruoss - Reindeer Moss | |
| Cladonia trassii Ahti | |
| Collema undulatum var. granulosum Degel. - Undulate Jelly Lichen | |
| Dactylina ramulosa (Hook. f.) Tuck. - Dactylina Lichen BIOLIB: (Hook.) Tuck. | |
| Dimelaena oreina (Ach.) Norman - Mountain Lichen | |
| Epilichen scabrosus (Ach.) Clem. - Epilichen Lichen BIOLIB: (Ach.) Clemens ex Hafellner | |
| Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell. BIOLIB: (Bellardi) Karnefelt & Thell | |
| Flavocetraria nivalis (L.) Kärnefelt & A. Thell. BIOLIB: (L.) Karnefelt & Thell | |
| Frutidella caesioatra (Schaer.) Kalb. BIOLIB: (Schaerer) Kalb | |
| Lecanora atrosulphurea (Wahlenb.) Ach. - Rim Lichen | |
| Lecanora cenisia Ach. - Rim Lichen | |
| Lecanora chloroleprosa (Vain.) H. Magn. | |
| Lecanora contractula Nyl. - Rim Lichen | |
| Lecanora geophila (Th. Fr.) Poelt - Rim Lichen | |
| Lecanora intricata (Ach.) Ach. - Intricate Rim Lichen | |
| Lecanora marginata (Schaer.) Hertel & Rambold - Rim Lichen BIOLIB: (Schaerer) Hertel & Rambold | |
| Lecanora polytropa (Ehrh. ex Hoffm.) Rabenh. - Rim Lichen BIOLIB: (Ehrh.) Rabenh. | |
| Lecanora swartzii (Ach.) Ach. subsp. swartzii BIOLIB: (Ach.) Ach. | |
| Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. - Lecidea Lichen BIOLIB: (Raymond ex Lam. & DC.) Schaerer | |
| Lecidea auriculata Th. Fr. - Lecidea Lichen | |
| Lecidea lapicida var. pantherina Ach. = Lecidea lactea Florke ex Schaerer BIOLIB: (DC.) Ach. | |
| Lecidea silacea Ach. - Lecidea Lichen |