Checklist of lichens of Utah (USA)
31 December 2018
- Acarospora americana H. Magn. - Newberry & St. Clair (1991: 154)
- Acarospora badiofusca (Nyl.) Th. Fr. - Newberry & St. Clair (1991: 154), St. Clair et al. (1995: 146 as Acarospora boulderensis), Shresta & St. Clair (2011: 9)
- Acarospora brouardii B. de Lesd. - Leavitt & St. Clair (2008: 87)
- Acarospora bullata Anzi - Newberry & St. Clair (1991: 154 misidentified as Acarospora bullata), Leavitt & St. Clair (2008: 87 misidentified as Acarospora bullata) see Knudsen et al. 2010
- Acarospora cervina A. Massal. - Flowers (1954: 103 as Acarospora cervina var. eucarpa), St. Clair et al. (1991: 206), St. Clair et al. (1991: 207 as Acarospora cervina var. eucarpa)
- Acarospora coloradiana H. Magn. - St. Clair et al. (1995: 146)
- Acarospora elevata H. Magn. - Newberry & St. Clair (1991: 154 misidentified as Acarospora nitida)
- Acarospora fuscata (Schrad.) Arnold - Flowers (1954: 103), Nash (1974: 98), Nash & Sigal (1981: 49), Rushforth et al. (1982: 191), St. Clair et al. (1991: 207), Shresta & St. Clair (2011: 9)
- Acarospora fuscescens H. Magn. - Magnusson (1952: 34 Type in Uppsala, Sweden UPS), Flowers (1954: 103), St. Clair et al. (1991: 207), Knudsen (2008: 82), Leavitt & St. Clair (2008: 87)
- Acarospora glaucocarpa (Wahlenb. in Ach.) Körb. - Magnusson (1929: 237 as Acarospora cervina var. glaucocarpa), Flowers (1954: 103 as Acarospora glaucocarpa var. verrucosa), St. Clair et al. (1991: 207 as Acarospora cervina var. glaucocarpa), St. Clair et al. (1991: 208 as Acarospora glaucocarpa var. verrucosa)
- Acarospora nodulosa (Dufour) Hue var. nodulosa - St. Clair & Warrick (1987: 48 First record for North America), St. Clair et al. (1991: 208)
- Acarospora oligospora (Nyl.) Arnold - Newberry & St. Clair (1991: 154)
- Acarospora schleicheri (Ach.) A. Massal. - Flowers (1954: 103 as Acarospora epilutescens), Flowers (1954: 103 as Acarospora xanthophana), Nash (1974: 98), Nash & Sigal (1981: 49), Rushforth (1982: 191), St. Clair et al. (1991: 208), Leavitt & St. Clair (2008: 86)
- Acarospora socialis H. Magn. - Newberry & St. Clair (1991: 154 as Acarospora radicata)
- Acarospora stapfiana (Müll. Arg.) Hue - St. Clair et al. (1995: 146), Shresta & St. Clair (2011: 9)
- Acarospora strigata (Nyl.) Jatta - Magnusson (1952: 33 as Acarospora arenacea Type), Magnusson (xx: xx as Acarospora utahensis Type in Uppsala, Sweden UPS), Flowers (1954: 103 as Acarospora arenacea), Flowers (1954: 103 as Acarospora peltastica), Flowers (1954: 103), Flowers (1954: 103 as Acarospora utahensis), Nash (1974: 98), Anderson & Rushforth (1976: 702), Nash & Sigal (1981: 49), Rushforth (1982: 191), St. Clair et al. (1991: 206 as Acarospora arenacea), St. Clair et al. (1991: 208 as Acarospora peltastica), St. Clair et al. (1991: 208 as Acarospora utahensis), Leavitt & St. Clair (2008: 87), Shresta & St. Clair (2011: 9)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Nash (1974: 98), Nash & Sigal (1981: 49), St. Clair et al. (1991: 212), Newberry & St. Clair (1991: 154 erroneously as Buellia notabilis), Newberry & St. Clair (1991: 154 erroneously as Buellia polyspora), Leavitt & St. Clair (2008: 86), Shresta & St. Clair (2011: 9)
- Anaptychia palmulata (Michx.) Vain. - Newberry & St. Clair (1991: 154)
- Arthonia exilis (Flörke) Anzi - St. Clair et al. (1995: 146)
- Arthonia glebosa Tuck. - Newberry & St. Clair (1991: 154), Newberry & St. Clair (1991: 155 erroneously as Lecidea elabens)
- Arthonia lapidicola (Taylor) Branth & Rostrup - St. Clair et al. (1995: 146)
- Arthrosporum populorum A. Massal. - St. Clair et al. (1995: 146 as Bacidia populorum)
- Aspicilia cinerea (L.) Körb. - Nash & Sigal (1981: 49), Rushforth et al. (1982: 191), St. Clair et al. (1991: 209), Shresta & St. Clair (2011: 9)
- Aspicilia quartzitica Arnold - Newberry & St. Clair (1991: 154)
- Aspicilia reptans (Looman) Wetmore - St. Clair et al. (1995: 146), Leavitt & St. Clair (2008: 86)
- Aspicilia supertegens Arnold - Newberry & St. Clair (1991: 154)
- Aspicilia verrucigera Hue - St. Clair et al. (1995: 146)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Leavitt & St. Clair (2008: 86 as Caloplaca holocarpa)
- Athallia pyracea (Ach.) Arup, Frödén & Søchting - Flowers (1954: 105 as Caloplaca pyracea)
- Bacidina inundata (Fr.) Vezda - Nash & Sigal (1981: 49 as Bacidia inundata), St. Clair et al. (1991: 210 as Bacidia inundata)
- Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux - Newberry & St. Clair (1991: 154)
- Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux - Flowers (1954: 103 as Lecanora cinereorufescens), St. Clair et al. (1991: 210)
- Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Newberry & St. Clair (1991: 154 as Caloplaca ammiospila)
- Blastenia furfuracea (H. Magn.) Arup, Søchting & Frödén - Wetmore (2004: 289 as Caloplaca furfuracea)
- Brodoa oroarctica (Krog) Goward - St. Clair et al. (1991: 211)
- Bryonora castanea (Hepp) Poelt - St. Clair et al. (1995: 146)
- Bryoplaca sinapisperma (DC.) Søchting, Frödén & Arup - Leavitt & St. Clair (2008: 86 as Caloplaca sinapisperma)
- Bryoplaca tetraspora (Nyl.) Søchting, Frödén & Arup - Leavitt & St. Clair (2008: 86 as Caloplaca tetraspora)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Nash (1974: 98 as Alectoria chalybeiformis), St. Clair et al. (1991: 211)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977: 98 erroneously as Bryoria vrangiana fide Brodo see St. Clair et al. 1991: 211), St. Clair et al. (1991: 211)
- Buellia badia (Fr.) A. Massal. - Nash & Sigal (1981: 49 as Buellia turgescens), St. Clair et al. (1991: 212 as Buellia turgescens)
- Buellia disciformis (Fr.) Mudd - Flowers (1954: 105 as Buellia parasema), Nash (1974: 98 as Hafellia disciformis), St. Clair et al. (1991: 211 as Buellia disciformis), Shresta & St. Clair (2011: 10)
- Buellia dispersa A. Massal. - Nash (1974: 98 as Buellia retrovertens), Nash & Sigal (1981: 49 as Buellia retrovertens), Rushforth et al. (1982: 191 as Buellia retrovertens), St. Clair et al. (1991: 212 as Buellia retrovertens)
- Buellia elegans Poelt - Newberry & St. Clair (1991: 154)
- Buellia erubescens Arnold - Nash (1974: 98 as Buellia zahlbruckneri), St. Clair et al. (1991: 211), Shresta & St. Clair (2011: 10)
- Buellia spuria (Schaer.) Anzi - Nash & Sigal (1981: 49), St. Clair et al. (1991: 212)
- Buellia tyrolensis Körb. - Nash (1974: 98 as Buellia novomexicana), St. Clair et al. (1991: 211 as Buellia novomexicana)
- Buellia vilis Th. Fr. - Nash & Sigal (1981: 49), St. Clair et al. (1991: 212)
- Calogaya lobulata (Flörke) Arup, Frödén & Søchting - Flowers (1954: 105 as Caloplaca lobulata)
- Caloplaca approximata (Lynge) H. Magn. - Nash & Sigal (1981: 49), St. Clair et al. (1991: 212)
- Caloplaca atroalba (Tuck.) Zahlbr. - Shresta & St. Clair (2011: 10)
- Caloplaca cerina (Ehrh. ex Hedwig) Th. Fr. - USGS (as Placodium cerinum var. biatorinum), Flowers (1954: 105)
- Caloplaca cinnabarina (Ach.) Zahlbr. - Flowers (1954: 105)
- Caloplaca epithallina Lynge - Poelt (1985: 466 on Dimelaena oreina, Lecanora muralis), Leavitt & St. Clair (2008: 87)
- Caloplaca fraudans (Th. Fr.) H. Olivier - Rushforth et al. (1982: 190)
- Caloplaca livida (Hepp) Jatta - Newberry & St. Clair (1991: 155 erroneously as Mycobilimbia hypnorum), St. Clair et al. (1995: 146)
- Caloplaca microphyllina (Tuck.) Hasse - St. Clair et al. (1995: 146)
- Caloplaca oblongula (H. Magn.) Wetmore - Magnusson (1952: 37 as Lecidea oblongula Type in Upsala, Sweden UPS), Flowers (1954: 102 as Apatoplaca oblongula), Hertel (1975: 367 as Apatoplaca oblongula), Poelt & Hafellner (xx: xx as Apatoplaca oblongula), St. Clair et al. (1991: 209 as Apatoplaca oblonga), Wetmore (1994: 828), Hertel (2001: 95)
- Caloplaca pellodella (Nyl.) Hasse - Nash (1974: 98 as Caloplaca amabilis), St. Clair et al. (1991: 212)
- Caloplaca saxicola (Hoffm.) Nordin - Flowers (1954: 105 as Caloplaca murorum)
- Caloplaca subpyraceella (Nyl.) Zahlbr. - Flowers (1954: 105)
- Caloplaca ulmorum (Fink) Fink - St. Clair et al. (1995: 146)
- Candelariella antennaria Räsänen - St. Clair et al. (1986: 258 erroneously as Candelariella deflexa)
- Candelariella aurella (Hoffm.) Zahlbr. - Flowers (1954: 104 as Candelariella cerinella)
- Candelariella citrina B. de Lesd. - St. Clair et al. (1995: 147 as Candelariella terrigena)
- Candelariella placodizans (Nyl.) H. Magn. - St. Clair et al. (1995: 147)
- Candelariella rosulans (Müll. Arg.) Zahlbr. - Leavitt & St. Clair (2008: 88)
- Candelariella subdeflexa (Nyl.) Lettau - St. Clair et al. (1995: 147)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Flowers (1954: 104)
- Candelariella xanthostigma (Ach.) Lettau - St. Clair et al. (1995: 147)
- Carbonea vorticosa (Flörke) Hertel - Newberry & St. Clair (1991: 154)
- Catapyrenium daedaleum (Kremp.) B. Stein - St. Clair et al. (1995: 147)
- Cetraria ericetorum Opiz - Newberry & St. Clair (1991: 154), Leavitt & St. Clair (2008: 86)
- Circinaria arida Owe-Larsson, A. Nordin & Tibell - Nash & Sigal (1981: 49 erroneously as Aspicilia desertorum), St. Clair et al. (1991: 210 erroneously as Aspicilia desertorum), Leavitt & St. Clair (2008: 87 erroneously as Aspicilia desertorum), Shresta & St. Clair (2011: 9 erroneously as Aspicilia desertorum)
- Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, S. Savić & Tibell - Flowers (1954: 103 as Lecanora caesiocinerea), Nash & Sigal (1981: 49 as Lecanora caesiocinerea), St. Clair et al. (1991: 209 as Aspicilia caesiocinerea)
- Circinaria calcarea (L.) A. Nordin, S. Savić & Tibell - Flowers (1954: 103 as Lecanora calcarea), Anderson & Rushforth (1977: 703 as Lecanora calcarea), Rushforth et al. (1982: 191 as Lecanora calcarea), St. Clair et al. (1991: 209 as Aspicilia calcarea), Leavitt & St. Clair (2008: 87 as Aspicilia calcarea)
- Circinaria gibbosa (Ach.) A. Nordin, S. Savić & Tibell - Flowers (1954: 103 as Lecanora gibbosa), St. Clair et al. (1991: 210 as Aspicilia gibbosa)
- Circinaria hispida (Mereschk.) A. Nordin, S. Savić & Tibell - Anderson & Rushforth (1976: 703 as Agrestia hispida), St. Clair et al. (1991: 208 as Agrestia hispida)
- Cladonia bacillaris Nyl. - Newberry & St. Clair (1991: 154 erroneously as Cladonia bacillariformis), Newberry & St. Clair (1991: 155)
- Cladonia cariosa (Ach.) Spreng. - Flowers (1954: 102), Leavitt & St. Clair (2008: 86)
- Cladonia carneola (Fr.) Fr. - St. Clair et al. (1995: 147)
- Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel - Flowers (1954: 103 as Cladonia pyxidata var. chlorophaea)
- Cladonia coniocraea (Flörke) Sprengel - Flowers (1954: 103 as Cladonia fimbriata var. coniocraea), Leavitt & St. Clair (2008: 86)
- Cladonia fimbriata (L.) Fr. - Flowers (1954: 103)
- Cladonia macrophyllodes Nyl. - St. Clair et al. (1995: 147)
- Cladonia pocillum (Ach.) O. J. Rich. - Flowers (1954: 103 as Cladonia pyxidata var. pocillum), Leavitt & St. Clair (2008: 87)
- Cladonia polydactyla (Flörke) Sprengel - St. Clair et al. (1995: 147)
- Cladonia pyxidata (L.) Hoffm. - Leavitt & St. Clair (2008: 87)
- Cladonia squamosa (Scop.) Hoffm. var. squamosa - Flowers (1954: 103)
- Cladonia stricta (Nyl.) Nyl. - St. Clair et al. (1995: 147)
- Cladonia sulphurina (Michx.) Fr. - Newberry & St. Clair (1991: 155), Leavitt & St. Clair (2008: 87)
- Cladonia symphycarpa (Flörke) Fr. - Flowers (1954: 103)
- Cladonia turgida (Ehrh.) Hoffm. - Flowers (1954: 103)
- Cladonia umbricola Tønsberg & Ahti - St. Clair et al. (1995: 147)
- Collema auriforme (Schreb.) Rabenh. - Flowers (1954: 101 as Collema granosum)
- Collema furfuraceum (Arnold) Du Rietz - St. Clair et al. (1986: 259)
- Cyphelium tigillare (Ach.) Ach. - Newberry & St. Clair (1991: 155 as Cyphelium tigillare)
- Dermatocarpon americanum Vain. - Heidmarsson (2003: 466)
- Dermatocarpon hepaticum - Anderson & Rushforth (1977: 704)
- Dermatocarpon lachneum - Anderson & Rushforth (1977: 704)
- Dermatocarpon luridum (Weis.) Zahlbr. - Flowers (1954: 101 as Dermatocarpon aquaticum)
- Dermatocarpon miniatum (L.) Mann var. miniatum - Flowers (1954: 101), Leavitt & St. Clair (2008: 88)
- Dermatocarpon miniatum (L.) Mann var. complicatum (Lightf.) Th. Fr. - Flowers (1954: 101)
- Dermatocarpon moulinsii (Mont.) Zahlbr. var. subpapillosum Fink - Flowers (1954: 101)
- Dermatocarpon reticulatum H. Magn. - Leavitt & St. Clair (2008: 87)
- Dermatocarpon vellereum Zschacke in Rabenh. - St. Clair et al. (1995: 147)
- Dimelaena oreina (Ach.) Norman - Leavitt & St. Clair (2008: 88)
- Dimelaena thysanota (Tuck.) Hale & W. L. Culb. - St. Clair et al. (1995: 147)
- Diploschistes arabiensis Lumbsch - Lumbsch (1993: 228)
- Diploschistes gypsaceus (Ach.) Nyl. - Newberry & St. Clair (1991: 155)
- Diploschistes muscorum (Scop.) R. Sant. subsp. muscorum - St. Clair et al. (1995: 147), Leavitt & St. Clair (2008: 87)
- Diploschistes scruposus (Schreb.) Norman - Anderson & Rushforth (1977: 703)
- Diplotomma alboatrum (Hoffm.) Flot. - Nash & Sigal (1981: 49 as Buellia alboatra), Rushforth et al. (1982: 191 as Buellia alboatra), St. Clair et al. (1991: 211)
- Diplotomma venustum (Körb.) Körb. - Magnusson (xx: xx as Buellia lecanoroides Type), Flowers (1954: 105 as Buellia lecanoroides), St. Clair et al. (1991: 211 as Buellia lecanoroides)
- Enchylium coccophorum (Tuck.) Otálora, P. M. Jørg. & Wedin - Flowers (1954: 101 as Collema coccophorum)
- Endocarpon tortuosum Herre - Newberry & St. Clair (1991: 155)
- Evernia divaricata (L.) Ach. - Flowers (1954: 104), Leavitt & St. Clair (2008: 87)
- Farnoldia micropsis (A. Massal.) Hertel - McCune et al. (2007: 73)
- Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Flowers (1954: 105 as Caloplaca citrina), Anderson & Rushforth (1977: 704 as Caloplaca citrina)
- Flavopunctelia soredica (Nyl.) Hale - Leavitt & St. Clair (2008: 88)
- Glypholecia scabra (Pers.) Müll. Arg. - Newberry & St. Clair (1991: 155)
- Gyalolechia arizonica (H. Magn.) Søchting, Frödén & Arup - St. Clair et al. (1986: 259 as Caloplaca arizonica), Shresta & St. Clair (2011: 10 as Caloplaca arizonica)
- Gyalolechia bracteata (Hoffm.) A. Massal. subsp. bracteata - USGS Expl. (: as Placodium fulgens var. bracteatum), Flowers (1954: 105 as Caloplaca bracteata), Anderson & Rushforth (1977: 704 as Fulgensia bracteata)
- Gyalolechia fulgens (Sw.) Søchting, Frödén & Arup - Anderson & Rushforth (1977: 704 as Fulgensia fulgens)
- Gypsoplaca macrophylla (Zahlbr.) Timdal - St. Clair et al. (1995: 147)
- Heppia despreauxii (Mont.) Tuck. - Flowers (1954: 102)
- Heterodermia speciosa (Wulfen) Trevis. - St. Clair et al. (1986: 259)
- Heteroplacidium compactum (A. Massal.) Gueidan & Cl. Roux - Anderson & Rushforth (1977: 705 as Dermatocarpon compactum)
- Hyperphyscia syncolla (Tuck. ex Nyl.) Kalb - St. Clair et al. (1995: 147)
- Lathagrium fuscovirens (With.) Otálora, P.M. Jørg. & Wedin - Flowers (1954: 101 as Collema furvum), Newberry & St. Clair (1991: 156 erroneously as Umbilicaria polyphylla)
- Lathagrium undulatum (Laurer ex Flot.) Otálora, P. M. Jørg. & Wedin - St. Clair et al. (1995: 147 as Collema undulatum var. granulosum)
- Lecania cyrtella (Ach.) Th. Fr. - St. Clair et al. (1995: 147)
- Lecania dubitans (Nyl.) A. L. Sm. - Rushforth et al. (1982: 190 as Lecania dimera)
- Lecania fuscella (Schaer.) Körb. - St. Clair et al. (1995: 147)
- Lecanora albellula (Nyl.) Th. Fr. - Rushforth et al. (1982: 190 as Lecanora piniperda)
- Lecanora allophana (Ach.) Nyl. - Flowers (1954: 104 as Lecanora subfusca nom. rej. prop.)
- Lecanora argopholis (Ach.) Ach. - Leavitt & St. Clair (2008: 88)
- Lecanora bicincta Ramond - Newberry & St. Clair (1991: 155)
- Lecanora cenisia Ach. - Leavitt & St. Clair (2008: 87)
- Lecanora circumborealis Brodo & Vitik. - Flowers (1954: 103 as Lecanora coilocarpa)
- Lecanora epibryon (Ach.) Ach. - Newberry & St. Clair (1991: 155)
- Lecanora frustulosa (Dicks.) Ach. - Flowers (1954: 103)
- Lecanora garovaglioi (Körb.) Zahlbr. - Leavitt & St. Clair (2008: 88)
- Lecanora hagenii Ach. - Flowers (1954: 104), St. Clair et al. (1986: 259), Leavitt & St. Clair (2008: 87)
- Lecanora marginata (Schaer.) Hertel & Rambold - Flowers (1954: 102 as Lecidea elata)
- Lecanora muralis (Schreb.) Rabenh. - Flowers (1954: 104)
- Lecanora novomexicana B. de Lesd. - Newberry & St. Clair (1991: 155 as Lecanora thomsonii), Leavitt & St. Clair (2008: 88)
- Lecanora horiza (Ach.) Lindsay - Flowers (1954: 104 as Lecanora parisiensis)
- Lecanora polytropa (Ehrh.) Rabenh. - Flowers (1954: 104), Rushforth et al. (1982: 190)
- Lecanora rupicola (L.) Zahlbr. - Leavitt & St. Clair (2008: 87)
- Lecanora utahensis H. Magn. - Magnusson (1952: xx Type in ), Flowers (1954: 104), Ryan et al. (2004: 277)
- Lecanora varia (Hoffm.) Ach. - Leavitt & St. Clair (2008: 87)
- Lecanora wetmorei Sliwa - Ryan et al. (2004: 283 Type in MIN)
- Lecidea atrobrunnea (Ram.) Schaer. - Flowers (1954: 102), Leavitt & St. Clair (2008: 87)
- Lecidea lapicida Ach. var. lapicida - Flowers (1954: 102)
- Lecidea leucothallina Arnold - Newberry & St. Clair (1991: 155), Leavitt & St. Clair (2008: 87)
- Lecidea lithophila Ach. - Flowers (1954: 102)
- Lecidea paupercula Th. Fr. - Flowers (1954: 102)
- Lecidea tesselata Flörke - Flowers (1954: 102 as Lecidea cyanea), Leavitt & St. Clair (2008: 87)
- Lecidea turgidula Fr. - Newberry & St. Clair (1991: 155)
- Lecidella elaeochroma (Ach.) M. Choisy - Flowers (1954: 102 as Lecidea parasema)
- Lecidella stigmatea (Ach.) Hertel & Leuckert - Leavitt & St. Clair (2008: 88)
- Lecidella wulfenii (Ach.) Körb. - Leavitt & St. Clair (2008: 87)
- Lepraria vouauxii (Hue) R. C. Harris - Newberry & St. Clair (1991: 155 as Leproloma vouauxii)
- Leptogium chloromelum (Ach.) Nyl. - Flowers (1954: 101)
- Letharia vulpina (L.) Hue - Newberry & St. Clair (1991: 155)
- Leucodermia boryi (Fée) Kalb - St. Clair et al. (1991: 209 as Anaptychia neoleucomelaena)
- Lichinella nigritella (Lettau) P. P. Moreno & Egea - St. Clair et al. (1995: 147 as Gonohymenium nigritella)
- Lobothallia alphoplaca (Wahlenb. in Ach.) Hafellner - Flowers (1954: 104 as Lecanora thamnoplaca), Nash & Sigal (1981: 49 as Aspicilia alphoplaca), St. Clair et al. (1991: 209 as Aspicilia alphoplaca), Leavitt & St. Clair (2008: 87)
- Lobothallia melanaspis (Ach.) Hafellner - Flowers (1954: 104 as Lecanora melanaspis), St. Clair et al. (1991: 210 as Aspicilia melanaspis)
- Lobothallia praeradiosa (Nyl.) Hafellner - Leavitt & St. Clair (2008: 88)
- Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Leavitt & St. Clair (2008: 87)
- Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Flowers (1954: 104 as Parmelia aspidota)
- Melanohalea multispora (A. Schneid.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Schneider (1898: (154 as Parmelia multispora), Flowers (1954: 104 as Parmelia multispora), Blanco et al. (2004: 882)
- Melanohalea olivacea (L.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Flowers (1954: 104 as Parmelia olivacea)
- Melanohalea subolivacea (Nyl. ex Hasse) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - St. Clair et al. (1986: 258 as Parmelia subolivacea)
- Micarea assimilata (Nyl.) Coppins - Newberry & St. Clair (1991: 155)
- Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Flowers (1954: 104 as Parmelia sorediata)
- Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Leavitt & St. Clair (2008: 88 as Melanelia tominii)
- Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Flowers (1954: 102 as Lecidea berengeriana)
- Mycobilimbia carneoalbida (Müll. Arg.) Coppins - St. Clair et al. (1995: 146 as Bacidia carneoalbida)
- Myriolecis crenulata (Ach.) Sliwa, Zhao Xin & Lumbsch - Flowers (1954: 103 as Lecanora crenulata)
- Myriolecis flowersiana (H. Magn.) Sliwa, Zhao Xin & Lumbsch - Magnusson (1952: xx Type), Flowers (1954: 103)
- Myriolecis wetmorei (Sliwa) Sliwa, Zhao Xin & Lumbsch - xx (xx: xx as xx Protologue) Type
- Myriospora smaragdula (Wahlenb.) Nägeli ex Uloth - Anderson & Rushforth (1976: 702 as Acarospora smaragdula), Nash & Sigal (1981: 49 as Acarospora smaragdula), St. Clair et al. (1991: 208 as Acarospora smaragdula)
- Ochrolechia upsaliensis (L.) A. Massal. - Newberry & St. Clair (1991: 155), Leavitt & St. Clair (2008: 87)
- Pachypeltis cladodes (Tuck.) Søchting, Frödén & Arup - St. Clair et al. (1995: 146 as Caloplaca cladodes)
- Parmeliopsis hyperopta (Ach.) Vain. - Newberry & St. Clair (1991: 155)
- Peltigera aphthosa (L.) Willd. - Flowers (1954: 102)
- Peltigera canina (L.) Willd. - Flowers (1954: 102)
- Peltigera ponojensis Gyeln. - St. Clair et al. (1995: 147)
- Peltigera rufescens (Weiss) Humb. - Flowers (1954: 102), Leavitt & St. Clair (2008: 87)
- Peltigera venosa (L.) Hoffm. - Flowers (1954: 102)
- Peltula euploca (Ach.) Poelt ex Ozenda & Clauzade - Flowers (1954: 102 as Heppia guepinii)
- Peltula patellata (Tuck.) Wetmore - Newberry & St. Clair (1991: 155 as Peltula polyspora)
- Pertusaria saximontana Wetmore - St. Clair et al. (1995: 147)
- Phaeophyscia ciliata (Hoffm.) Moberg - Flowers (1954: 105 as Physcia obscura auct.)
- Phaeophyscia hirsuta (Nádv.) Essl. - St. Clair et al. (1995: 147 as Phaeophyscia cernohorskyi)
- Phaeophyscia nigricans (Flörke) Moberg - Newberry & St. Clair (1991: 155)
- Phaeophyscia orbicularis (Neck.) Moberg - St. Clair et al. (1986: 258 as Physcia orbicularis)
- Phaeophyscia sciastra (Ach.) Moberg - Leavitt & St. Clair (2008: 88)
- Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Newberry & St. Clair (1991: 155), Leavitt & St. Clair (2008: 87)
- Physcia adscendens (Fr.) H. Olivier - Leavitt & St. Clair (2008: 87)
- Physcia caesia (Hoffm.) Hampe - Flowers (1954: 105), Leavitt & St. Clair (2008: 88)
- Physcia stellaris (L.) Nyl. - Flowers (1954: 105), St. Clair et al. (1986: 258)
- Physcia subtilis Degel. - Rushforth et al. (1982: 190), St. Clair et al. (1986: 259)
- Physcia tribacia (Ach.) Nyl. - Flowers (1954: 105)
- Physciella melanchra (Hue) Essl. - St. Clair et al. (1995: 147)
- Physciella nepalensis (Poelt) Essl. - St. Clair et al. (1995: 147)
- Physconia muscigena (Ach.) Poelt - Leavitt & St. Clair (2008: 87)
- Placidium acarosporoides (Zahlbr.) Breuss - St. Clair et al. (1995: 147 as Catapyrenium acarosporoides)
- Placidium arboreum (Schwein. ex E. Michener) Lendemer - St. Clair et al. (1995: 147 as Catapyrenium tuckermanii)
- Placidium squamulosum (Ach.) Breuss - Flowers (1954: 101 as Dermatocarpon hepaticum), Leavitt & St. Clair (2008: 87)
- Placopyrenium stanfordii (Hasse) Thomson - St. Clair et al. (1995: 147 as Catapyrenium zahlbruckneri)
- Placynthium asperellum (Ach.) Trev. - Newberry & St. Clair (1991: 155)
- Pleopsidium chlorophanum (Wahlenb.) Zopf - Fink (1935: 285 erroneously as Acarospora flava fide St. Clair et al. 1991: 207), Flowers (1954: 103 as Acarospora chlorophana), Nash (1974: 98 as Acarospora chlorophana), Nash & Sigal (1981: 49 as Acarospora chlorophana), St. Clair et al. (1991: 207 as Acarospora chlorophana), Leavitt & St. Clair (2008: 88)
- Pleopsidium flavum (Bellardi) Körb. - Leavitt & St. Clair (2008: 87)
- Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Flowers (1954: 105 sub Teloschistes candelarius)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Flowers (1954: 105 sub Teloschistes polycarpus), St. Clair et al. (1986: 259 as Xanthoria polycarpa)
- Polysporina arenacea (H. Magn.) K. Knudsen & Kocourk. - Knudsen & Kocourková (2009: 204)
- Polysporina gyrocarpa (H. Magn.) N. S. Golubk. - Magnusson (1952: 32 as Sarcogyne oligospora Type in Uppsala, Sweden UPS), Flowers (1954: 103 as Biatorella oligospora), St. Clair et al. (1991: 210 as Sarcogyne oligospora), Knudsen & Lendemer (2005: xx as Polysporina oligospora), Knudsen & Kocourková (2009: 200)
- Polysporina simplex (Davies) Branth & Rostr. - Magnusson (xx: xx as Biatorella simplex var. major Type), Flowers (1954: 103 as Biatorella simplex), Flowers (1954: 103 as Biatorella simplex var. major), St. Clair et al. (1991: 210 as Sarcogyne oligospora)
- Protoparmelia badia (Hoffm.) Hafellner - Leavitt & St. Clair (2008: 87)
- Pseudephebe minuscula (Nyl. ex Arnold) Degel. - Imshaug (1957: 262 as Alectoria minuscula), Nash (1974: 98 as Alectoria minuscula), St. Clair et al. (1991: 208)
- Pseudephebe pubescens (L.) M. Choisy - Imshaug (1957: 261 as Alectoria pubescens), St. Clair et al. (1991: 208)
- Psora crenata (Taylor) Stizenb. - Flowers (1954: 102)
- Psora decipiens (Ehrh.) Zahlbr. - Tuckerman (1871: 413 as Biatora decipiens), Flowers (1954: 102), Anderson & Rushforth (1977: 704 as Lecidea decipiens), St. Clair et al. (1991: 210)
- Psora luridella Tuck. - Flowers (1954: 102)
- Psora russellii Tuck. - Tuckerman (1871: 413 as Biatora russellii), Flowers (1954: 102), St. Clair et al. (1991: 210)
- Psoroma hypnorum (Vahl.) S. F. Gray - Flowers (1954: 102), Leavitt & St. Clair (2008: 87)
- Psoroma tenue Henssen var. borealis Henssen - St. Clair et al. (1995: 147)
- Pyrenodesmia variabilis (Pers.) A. Massal. - St. Clair et al. (1995: 146 as Caloplaca variabilis)
- Ramalina sinensis Jatta - Newberry & St. Clair (1991: 155)
- Rhizocarpon disporum (Naeg. ex Hepp) Müll. Arg. - Tuckerman (1871: 413 as Buellia montagnei), Flowers (1954: 102), St. Clair et al. (1991: 211), Leavitt & St. Clair (2008: 88)
- Rhizocarpon geographicum (L.) DC. - Flowers (1954: 102), Leavitt & St. Clair (2008: 87)
- Rhizocarpon saurinum (W. A. Weber) Bungartz - Weber (1971: 190 as Buellia saurina Type in COLO), St. Clair et al. (1991: 212 as Buellia saurina), Bungartz & Fryday (2004: 77)
- Rhizocarpon simillimum (Anzi) Lett. - Newberry & St. Clair (1991: 155)
- Rhizocarpon superficiale (Schaer.) Vain. - Newberry & St. Clair (1991: 156)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Flowers (1954: 104 as Lecanora rubina), Leavitt & St. Clair (2008: 87)
- Rhizoplaca haydenii (Tuck.) W. A. Weber - Newberry & St. Clair (1991: 156)
- Rhizoplaca melanophthalma (DC.) Leuckert & Poelt subsp. melanophthalma - Flowers (1954: 104 as Lecanora melanophthalma), Leavitt & St. Clair (2008: 87)
- Rhizoplaca parilis S.D. Leav., Fern.-Mend., Lumbsch, Sohrabi & St. Clair - Leavitt et al. (2013: 10 Type in Provo, Utah BRY)
- Rhizoplaca peltata (Ramond) Leuckert & Poelt - Flowers (1954: 104 as Lecanora peltata), Leavitt & St. Clair (2008: 87)
- Rinodina athallina H. Magn. - Magnusson (1952: 41 Type in Uppsala, Sweden UPS), Flowers (1954: 105)
- Rinodina calcigena (Th. Fr.) Lynge - Newberry & St. Clair (1991: 156)
- Rinodina straussii J. Steiner - Flowers (1954: 105 as Rinodina constrictula)
- Rinodina milvina (Wahlenb. in Ach.) Th. Fr. - Newberry & St. Clair (1991: 156)
- Rinodina mniaraea (Ach.) Körb. - Leavitt & St. Clair (2008: 87)
- Rinodina olivaceobrunnea Dodge & Baker - Newberry & St. Clair (1991: 156)
- Rinodina pyrina (Ach.) Arnold - St. Clair et al. (1986: 259)
- Rinodina roscida (Somm.) Arnold - Newberry & St. Clair (1991: 156)
- Rinodina straussii J. Steiner - Magnusson (1941: 151 as Rinodina constrictula Type U), Sheard (2010: 190)
- Rinodina turfacea (Wahlenb.) Körb. - Leavitt & St. Clair (2008: 87)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Flowers (1954: 105 as Caloplaca elegans), Leavitt & St. Clair (2008: 87 as Xanthoria elegans)
- Sarcogyne desolata (H. Magn.) K. Knudsen & Standley - Magnusson (1932: xx as Acarospora desolata Type in Uppsala, Sweden UPS), Flowers (1954: 103 as Acarospora desolata), St. Clair et al. (1991: 207 as Acarospora desolata)
- Sarcogyne integra (B. de Lesd.) H. Magn. - Newberry & St. Clair (1991: 156)
- Sarcogyne hypophaea (Nyl.) Arnold - Newberry & St. Clair (1991: 156 erroneously as Sarcogyne privigna)
- Sarcogyne regularis Körb. - Flowers (1954: 103 as Biatorella simplex var. pruinosa), St. Clair et al. (1991: 210)
- Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Newberry & St. Clair (1991: 155 erroneously as Polychidium muscicola)
- Scytinium polycarpum (P. M. Jørg. & Goward) Otálora, P. M. Jørg. & Wedin - Flowers (1954: 101 as Collema polycarpum), Newberry & St. Clair (1991: 155 erroneously as Collema crispum fide )
- Solenospora candicans (Dicks.) Sten. - Flowers (1954: 104)
- Solorina bispora Nyl. - Newberry & St. Clair (1991: 156)
- Solorina spongiosa (J. E. Smith) Anzi - Flowers (1954: 102)
- Sporastatia polyspora (Nyl.) Grummann - Newberry & St. Clair (1991: 156)
- Squamarina lentigera (Web.) Poelt - Flowers (1954: 104 as Lecanora lentigera)
- Staurothele areolata (Ach.) Lettau - Thomson (1991: ), St. Clair et al. (1995: 147), Leavitt & St. Clair (2008: 88)
- Staurothele drummondii (Tuck.) Tuck. - Thomson (1991: ), Newberry & St. Clair (1991: 155 as Endocarpon wilmsoides), St. Clair et al. (1995: 147)
- Staurothele elenkinii Oxner - Magnusson (xx: 31 as Staurothele sessilis Type), Thomson (1991: ), St. Clair et al. (1995: 147)
- Staurothele fissa (Taylor) Zwackh - Newberry & St. Clair (1991: 156)
- Staurothele monicae (Zahlbr.) Wetm. - Thomson (1991: ), St. Clair et al. (1995: 147)
- Staurothele orispruinosa Thomson - Thomson (1991: Type in ), St. Clair et al. (1995: 147)
- Staurothele polygonia B. de Lesd. - Thomson (1991: ), St. Clair et al. (1995: 147)
- Staurothele rugosa Thomson - Thomson (1991: ), St. Clair et al. (1995: 147)
- Staurothele rupifraga (A. Massal.) Arnold - Thomson (1991: ), St. Clair et al. (1995: 147)
- Stereocaulon glareosum (Savicz) H. Magn. - Newberry & St. Clair (1991: 156)
- Stereocaulon rivulorum H. Magn. - Newberry & St. Clair (1991: 156)
- Tetramelas papillatus (Sommerf.) Kalb - Kleiner & Harper (1972: 302 as Buellia papillata), St. Clair et al. (1991: 211 as Buellia papillata)
- Thalloidima candidum (Weber) A. Massal. - Flowers (1954: 102 as Toninia candida)
- Thalloidima subdiffractum (Timdal) Timdal - Timdal (1991: xx as xx Protologue), St. Clair et al. (1995: 147), Timdal (xx: ) Type
x
- Toninia philippea (Mont.) Timdal - Anderson (1967: 340 as Catillaria kansuensis)
- Thalloidima sedifolium (Scop.) Kistenich, Timdal, Bendiksby & S. Ekman - Flowers (1954: 102 as Toninia caeruleonigricans)
- Trapeliopsis granulosa (Hoffm.) Lumbsch - Newberry & St. Clair (1991: 156)
- Tuckermannopsis chlorophylla (Willd. in Humb.) Hale - St. Clair et al. (1995: 147)
- Umbilicaria decussata (Vill.) Zahlbr. - Newberry & St. Clair (1991: 156)
- Umbilicaria hyperborea (Ach.) Hoffm. - Leavitt & St. Clair (2008: 87)
- Umbilicaria polaris (Schol.) Zahlbr. - Leavitt & St. Clair (2008: 87 erroneously as Umbilicaria krascheninnikovii)
- Umbilicaria torrefacta (Lightf.) Schrad. - Newberry & St. Clair (1991: 156)
- Umbilicaria vellea (L.) Ach. - Newberry & St. Clair (1991: 156)
- Umbilicaria virginis Schaer. - Leavitt & St. Clair (2008: 87)
- Usnea fulvoreagens (Räsänen) Räsänen - Newberry & St. Clair (1991: 156)
- Usnea glabrata (Ach.) Vain. - Flowers (1954: 104 as Usnea sorediifera)
- Usnea hirta (L.) Weber ex F. H. Wigg. - Newberry & St. Clair (1991: 156)
- Verrucaria glaucovirens Grummann - Newberry & St. Clair (1991: 156)
- Vulpicida tilesii (Ach.) J.-E. Mattsson & M. J. Lai - Flowers (1954: 104 as Cetraria tilesii)
- Xanthocarpia tominii (Savicz) Frödén, Arup & Søchting - Newberry & St. Clair (1991: 154 as Caloplaca tominii)
- Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Kondr. - Flowers (1954: 105 sub Teloschistes fallax), St. Clair et al. (1986: 259 as Xanthoria fallax)
- Xanthomendoza montana (L. Lindblom) Søchting, Kärnefelt & S. Kondr. - Leavitt & St. Clair (2008: 87)
- Xanthoparmelia chlorochroa (Tuck.) Hale - Flowers (1954: 104 as Parmelia chlorochroa), Anderson & Rushforth (1977: 704 as Parmelia chlorochroa), Leavitt & St. Clair (2008: 87)
- Xanthoparmelia coloradoensis (Gyeln.) Hale - Leavitt & St. Clair (2008: 87)
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Flowers (1954: 104 as Parmelia conspersa)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Leavitt & St. Clair (2008: 87)
- Xanthoparmelia lineola (E. C. Berry) Hale - Flowers (1954: 104 as Parmelia lineola)
- Xanthoparmelia maricopensis T. H. Nash & Elix - Nash & Elix (1986: 454)
- Xanthoparmelia mexicana (Gyeln.) Hale - Leavitt & St. Clair (2008: 88)
- Xanthoparmelia plittii (Gyeln.) Hale - Leavitt & St. Clair (2008: 88)
- Xanthoparmelia pustulosa (Essl.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch - Esslinger (1977: 139 as Parmelia pustulosa Protologue) Type
- Xanthoparmelia wyomingica (Gyeln.) Hale - Leavitt & St. Clair (2008: 87)
- Xanthoria parietina (L.) Th. Fr. - Flowers (1954: 105 sub Teloschistes parietinus)