Checklist of lichens of Oregon (USA)
31 December 2018
- Acarospora badiofusca (Nyl.) Th. Fr. - McCune (2007: 73)
- Acarospora fuscata (Schrad.) Th. Fr. - McCune (2007: 74), Miller et al. (2011: 11)
- Acarospora schleicheri (Ach.) A. Massal. - Thomson (1997: 33), Miller et al. (2011: 12)
- Alectoria sarmentosa Ach. - Gyelnik (1932: 343)
- Allocetraria madreporiformis (Ach.) Kärnefelt & A. Thell - Thomson (1984: 206 as Dactylina madreporiformis)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Thomson (1997: 138 sub Buellia punctata), McCune (2007: 73 as Buellia punctata), Miller et al. (2011: 12)
- Lobaria anomala (Brodo & Ahti) T. Spribille & McCune - Stenroos et al. (2003: 236 as Pseudocyphellaria anomala DNA: ITS)
- Lobaria anthraspis (Ach.) T. Sprib. & McCune - Stenroos et al. (2003: 236 as Pseudocyphellaria anthraspis DNA: ITS)
- Arthonia glebosa Tuck. - Miller et al. (2011: 12)
- Aspicilia cinerea (L.) Körb. - Miller et al. (2011: 11)
- Aspicilia filiformis Rosentreter - Rosentreter (1998: 166 Protologue), Miller et al. (2011: 12) Type in WIS
- Aspicilia sipeana (H. Magn.) Owe-Larss. & A. Nordin - Magnusson (1939: 243 Protologue) Type in Uppsala, Sweden UPS
- Aspicilia tenuis (H. Magn.) Owe-Larss. & A. Nordin - Magnusson (1939: 244 Protologue), Owe-Larsson et al. (2007: 106) Type
- Athallia saxifragarum (Poelt) Arup, Frödén & Søchting - McCune (2007: 74 as Caloplaca saxifragarum)
- Bacidia rubella (Hoffm.) A. Massal. - Thomson (1997: 107)
- Bellemerea alpina (Sommer.) Clauzade & Cl. Roux - McCune (2007: 73)
- Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux - McCune (2007: 73)
- Bellemerea diamarta (Ach.) Hafellner & Cl. Roux - McCune (2007: 73)
- Biatorella hemisphaerica Anzi - Thomson (1997: 119)
- Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Miller et al. (2011: 12 as Caloplaca ammiospila)
- Brodoa oroarctica (Krog) Goward - McCune (2007: 73)
- Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Thomson (1997: 166 as Caloplaca jungermanniae), McCune (2007: 73 as Caloplaca jungermanniae), Miller et al. (2011: 13 as Caloplaca jungermanniae)
- Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 55)
- Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Thomson (1984: 56)
- Byroria fremontii (Tuck.) Brodo & D. Hawksw. - Miller et al. (2011: 12)
- Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Thomson (1984: 57)
- Bryoria glabra (Mot.) Brodo & D. Hawksw. - Thomson (1984: 58)
- Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 59)
- Bryoria pseudocapillaris Brodo & D. Hawksw. - Geiser et al. (2004: 105)
- Bryoria pseudofuscenscens (Gyeln.) Brodo & D. Hawksw. - Thomson (1984: 63)
- Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Miller et al. (2011: 12)
- Bryoria spiralifera Brodo & D. Hawksw. - Geiser et al. (2004: 105)
- Bryoria tenuis (Dahl) Brodo & D. Hawksw. - Thomson (1984: 66)
- Bryoria trichodes (Michx.) Brodo & D. Hawksw. - Thomson (1984: 68)
- Buellia dispersa A. Massal. - Miller et al. (2011: 11)
- Buellia triseptata A. Nordin - Nordin (1999: 260 Protologue), Miller et al. (2011: 12) Type in UPS
- Calicium abietinum Pers. - Thomson (1997: 143)
- Calicium salicinum Pers. - Thomson (1997: 144)
- Calicium viride Pers. - Thomson (1997: 146)
- Caloplaca atroalba (Tuck.) Zahlbr. - Miller et al. (2011: 11)
- Caloplaca cerina (Ehrh.) Th. Fr. - Thomson (1997: 154), Miller et al. (2011: 12)
- Caloplaca epithallina Lynge - McCune (2007: 74), Miller et al. (2011: 13)
- Caloplaca oblongula (H. Magn.) Wetmore - McCune (2007: 73)
- Caloplaca saxicola (Hoffm.) Nordin - McCune (2007: 73)
- Caloplaca stillicidiorum (Vahl) Lynge - McCune (2007: 73)
- Calvitimela armeniaca (DC.) Hafellner - McCune (2007: 74)
- Candelariella aurella (Hoffm.) Zahlbr. - McCune (2007: 73), Miller et al. (2011: 11)
- Candelariella efflorescens R. C. Harris & W. R. Buck - Miller et al. (2011: 13)
- Candelariella rosulans (Müll. Arg.) Zahlbr. - McCune (2007: 74)
- Candelariella terrigena Räsänen - Thomson (1997: 187)
- Candelariella vitellina (Hoffm.) Müll. Arg. - McCune (2007: 75), Miller et al. (2011: 11)
- Candelariella xanthostigma (Ach.) Lettau - McCune (2007: 73)
- Catapyrenium cinereum (Pers.) Körb. - McCune (2007: 73)
- Catillaria glauconigrans (Tuck.) Hasse - Thomson (1997: 197)
- Cephalophysis leucospila (Anzi) H. Kilias & Scheid. in Kilias - McCune (2007: 74)
- Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr. - Thomson (1997: 205)
- Chaenotheca phaeocephala (Turner) Th. Fr. - Thomson (1997: 206)
- Circinaria arida Owe-Larsson, A. Nordin & Tibell - Miller et al. (2011: 11 erroneously as Aspicilia desertorum)
- Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, S. Savić & Tibell - Thomson (1997: 65 as Aspicilia caesiocinerea), Miller et al. (2011: 11 as Aspicilia caesiocinerea)
- Circinaria calcarea (L.) A. Nordin, S. Savić & Tibell - Miller et al. (2011: 11 as Aspicilia calcarea)
- Circinaria contorta (Hoffm.) A. Nordin, S. Savić & Tibell - McCune (2007: 73 as Aspicilia contorta), Miller et al. (2011: 11 as Aspicilia contorta)
- Circinaria hispida Mereschk. - Miller et al. (2011: 12 as Aspicilia hispida)
- Circinaria rogeri (Sohrabi) Sohrabi - Sohrabi (2011: 182 Protologue), Sohrabi et al. (2013: 265) Type in SRP
- Cladonia bellidiflora (Ach.) Schaer. - Thomson (1984: 113)
- Cladonia cariosa (Ach.) Spreng. - Thomson (1984: 116)
- Cladonia carneola (Fr.) Fr. - Thomson (1984: 117)
- Cladonia chlorophaea (Flörke ex. Sommerf.) Spreng. - Thomson (1984: 119)
- Cladonia coccifera (L.) Willd. - Thomson (1984: 121)
- Cladonia coniocraea (Flörke) Spreng. - Thomson (1984: 122), Miller et al. (2011: 13)
- Cladonia cryptochlorophaea Asahina - Thomson (1984: 126)
- Cladonia dahliana Kristinsson - Miller et al. (2011: 13)
- Cladonia ecmocyna Leight. - Thomson (1984: 132)
- Cladonia fimbriata (L.) Fr. - Thomson (1984: 133), Miller et al. (2011: 13)
- Cladonia gracilis (L.) Willd. subsp. turbinata (Ach.) Ahti - Thomson (1984: 136)
- Cladonia pleurota (Flörke) Schaer. - Thomson (1984: 154)
- Cladonia pocillum (Ach.) Grognot - McCune (2007: 74)
- Cladonia pyxidata (L.) Hoffm. - Thomson (1984: 158)
- Cladonia squamosa (Scop.) Hoffm. - Thomson (1984: 161)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Thomson (1984: 163)
- Cladonia subulata (L.) F. H. Wigg. - Thomson (1984: 168)
- Cladonia verruculosa (Vain.) Ahti - Miller et al. (2011: 13)
- Cladonia verticillata (Hoffm.) Schaer. - Thomson (1984: 174)
- Collema furfuraceum (Schaer.) Du Rietz - Thomson (1984: 187)
- Cornicularia normoerica (Gunn.) DR. - Thomson (1984: 201)
- Cyphelium inquinans (Sm. in Sm. & Sow.) Trevisan - Thomson (1997: 212), Miller et al. (2011: 13)
- Cyphelium pinicola Tibell - McCune (2007: 73)
- Dactylina arctica (Richards.) Nyl. - Thomson (1984: 203)
- Dactylina beringica Bird & Thoms. - Thomson (1984: 204)
- Dactylina ramulosa (Hook.) Tuck. - Thomson (1984: 207)
- Dermatocarpon luridum (With.) J. R. Laundon - Thomson (1984: 213 as Dermatocarpon fluviatile)
- Dermatocarpon meiophyllizum Vain. - Glavich & Geiser (2004: 139)
- Dermatocarpon miniatum (L.) Mann. var. miniatum - Thomson (1984: 219), McCune (2007: 73), Miller et al. (2011: 11)
- Dermatocarpon miniatum (L.) Mann. var. complicatum (L.) W. Mann - Miller et al. (2011: 11)
- Dermatocarpon polyphyllizum (Nyl.) Blomb. & Forssell - McCune (2007: 74)
- Dermatocarpon reticulatum H. Magn. - McCune (2007: 73), Miller et al. (2011: 11)
- Dermatocarpon rivulorum (Arnold) Dalla Torre & Sarnth. - McCune (2007: 73)
- Dimelaena thysanota (Tuck.) Hale & W. L. Culb. - Miller et al. (2011: 11)
- Diploschistes muscorum (Scop.) R. Sant. - Thomson (1997: 218), Miller et al. (2011: 13)
- Diploschistes scruposus (Schreb.) Norman - Miller et al. (2011: 11)
- Enchylium tenax (Sw.) Gray - McCune (2007: 74 as Collema tenax), Miller et al. (2011: 13 as Collema tenax)
- Endocarpon pulvinatum Th. Fr. - McCune (2007: 73), Miller et al. (2011: 13)
- Erioderma sorediatum D. J. Galloway & P. M. Jörg. - Geiser et al. (2004: 105)
- Esslingeriana idahoensis (Essl.) Hale & M. J. Lai - Esslinger (1971: 366 as Cetraria idahoensis)
- Farnoldia micropsis (A. Massal.) Hertel - McCune (2007: 73)
- Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Miller et al. (2011: 11 as Caloplaca citrina)
- Fuscopannaria cyanolepra (Tuck.) P. M. Jørg. - Miller et al. (2011: 13)
- Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Thomson (1984: 320 as Parmeliella praetermissa)
- Gyalolechia bracteata (Hoffm.) Räsänen subsp. bracteata - McCune (2007: 73 as Fulgensia bracteata)
- Heterodermia leucomela (L.) Poelt - Geiser et al. (2004: 106)
- Hertelidea botryosa (Fr.) Printzen & Kantvilas - Thomson (1997: 332 as Lecidea botryosa), McCune (2007: 75)
- Hypogymnia austerodes (Nyl.) Räsänen - McCune (2007: 73)
- Hypogymnia imshaugii Krog - McCune (2007: 73), Miller et al. (2011: 13)
- Hypogymnia physodes (L.) Nyl. - Thomson (1984: 241)
- Hypogymnia vittata (Ach.) Parrique - Thomson (1984: 243)
- Hypotrachyna revoluta (Flörke) Hale - Geiser et al. (2004: 105)
- Icmadophila ericetorum (L.) Zahlbr. - Thomson (1997: 249)
- Japewia tornoensis (Nyl.) Tønsberg - Thomson (1997: 387 as Lecidea tornoensis)
- Kaernefeltia merrillii (Du Rietz) A. Thell & Goward - Miller et al. (2011: 13 as Cetraria merrillii)
- Lasallia papulosa (Ach.) Llano - Thomson (1984: 245)
- Lecanora albellula (Nyl.) Th. Fr. - McCune (2007: 73)
- Lecanora allophana (Ach.) Nyl. - Thomson (1997: 266)
- Lecanora argopholis (Ach.) Ach. - Thomson (1997: 267), McCune (2007: 73), Miller et al. (2011: 11)
- Lecanora bicincta Ramond - McCune (2007: 73)
- Lecanora cenisia Ach. - Thomson (1997: 272), Miller et al. (2011: 11)
- Lecanora circumborealis Brodo & Vitik. - Thomson (1997: 274), McCune (2007: 74)
- Lecanora densa (Sliwa & Wetmore) Printzen - Miller et al. (2011: 13)
- Lecanora dispersa (Pers.) Sommerf. - Thomson (1997: 278)
- Lecanora hagenii (Ach.) Ach. - McCune (2007: 73), Miller et al. (2011: 11)
- Lecanora hypoptoides (Nyl.) Nyl. - Miller et al. (2011: 13)
- Lecanora laxa (Sliwa & Wetmore) Printzen - McCune (2007: 73), Miller et al. (2011: 13)
- Lecanora mughicola Nyl. - McCune (2007: 73)
- Lecanora muralis (Schreb.) Rabenh. - Thomson (1997: 295), Miller et al. (2011: 11)
- Lecanora nigromarginata H. Magn. - Miller et al. (2011: 11)
- Lecanora novomexicana H. Magn. - McCune (2007: 74)
- Lecanora phaedrophthalma Poelt var. christoi (W. A. Weber) B. D. Ryan - Miller et al. (2011: 11)
- Lecanora polytropa (Ehrh. ex Hoffm.) Rabenh. - McCune (2007: 73)
- Lecanora pulicaris (Pers.) Ach. - Thomson (1997: 301)
- Lecanora rupicola (L.) Zahlbr. - Thomson (1997: 303), Miller et al. (2011: 11)
- Lecanora salicicola H. Magn. - Thomson (1997: 304)
- Lecanora saligna (Schrad.) Zahlbr. - Miller et al. (2011: 13)
- Lecanora symmicta (Ach.) Ach. - Thomson (1997: 309)
- Lecanora varia (Hoffm.) Ach. - Thomson (1997: 311)
- Lecanora xylophila Hue - Thomson (1997: 284 as Lecanora grantii)
- Lecanora zosterae (Ach.) Nyl. - McCune (2007: 73)
- Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. - McCune (2007: 73), Miller et al. (2011: 11)
- Lecidea auriculata Th. Fr. - McCune (2007: 74)
- Lecidea cascadensis H. Magn. - Miller et al. (2011: 11 as Lecidea fuscoatrina)
- Lecidea fuscoatra (L.) Ach. - Miller et al. (2011: 11)
- Lecidea lapicida (Ach.) Ach. - Miller et al. (2011: 11)
- Lecidea leucothallina Arnold - Thomson (1997: 360), McCune (2007: 73)
- Lecidea lithophila (Ach.) Ach. - Miller et al. (2011: 11)
- Lecidea paupercula Th. Fr. - Thomson (1997: 369)
- Lecidea plana (J. Lahm) Nyl. - Miller et al. (2011: 11)
- Lecidea protabacina Nyl. - McCune (2007: 74)
- Lecidea tessellata Flörke - Thomson (1997: 384), McCune (2007: 74), Miller et al. (2011: 11)
- Lecidea truckeei Herre - Miller et al. (2011: 11)
- Lecidella carpathica Körb. - Miller et al. (2011: 11)
- Lecidella elaeochroma (Ach.) M. Choisy - McCune (2007: 75)
- Lecidella euphorea (Flörke) Hertel - Thomson (1997: 398), Miller et al. (2011: 13)
- Lecidella patavina (A. Massal.) Knoph & Leuckert - Thomson (1997: 401 as Lecidella spitsbergensis), McCune (2007: 74)
- Lecidella stigmatea (Ach.) Hertel & Leuckert - McCune (2007: 73), Miller et al. (2011: 11)
- Leioderma sorediatum D. J. Galloway & P. M. Jørg. - Geiser et al. (2004: 106)
- Lepraria alpina (B. de Lesd.) Tretiach & Baruffo - McCune (2007: 74 as Lepraria cacuminum)
- Lepraria borealis Lohtander & Tønsberg - Miller et al. (2011: 13)
- Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb. & Ward - Miller et al. (2011: 11)
- Leptochidium albociliatum (Desm.) M. Choisy - Thomson (1984: 252), Miller et al. (2011: 13)
- Leptogium brebissonii Mont. - Geiser et al. (2004: 106)
- Leptogium saturninum (Dicks.) Nyl. - Thomson (1984: 262)
- Letharia vulpina (L.) Hue - Miller et al. (2011: 13)
- Lobaria hallii (Tuck.) Zahlbr. - Tuckerman (1877: 168 as Sticta hallii Protologue), Thomson (1984: 266) Type in FH
- Lobaria linita (Ach.) Rabenh. - Thomson (1984: 269)
- Lobarina scrobiculata (Scop.) Nyl. ex Cromb. - Thomson (1984: 271 as Lobaria scrobiculata)
- Lobothallia alphoplaca (Wahlenb.) Hafellner - Miller et al. (2011: 11)
- Lobothallia praeradiosa (Nyl.) Hafellner - Miller et al. (2011: 11)
- Lopadium pezizoideum (Ach.) Körb. - Thomson (1997: 411)
- Loxosporopsis corallifera Brodo, Henssen & Imshaug - Brodo & Henssen (1995: 29 Type) Type in Henssen 13604
- Massalongia carnosa (Dicks.) Körb. - Thomson (1984: 274), McCune (2007: 75), Miller et al. (2011: 13)
- Megaspora verrucosa (Ach.) B. F. M. Abbott & A. Nordin - McCune (2007: 74), Miller et al. (2011: 13)
- Melanelixia glabratula (Lamy) Sandler & Arup - Thomson (1984: 303 as Parmelia glabratula)
- Melanelixia subaurifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Thomson (1984: 316 as Parmelia subaurifera)
- Melanohalea elegantula (Zahlbr.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Thomson (1984: 300 as Parmelia elegantula)
- Melanohalea exasperatula (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - McCune (2007: 74), Miller et al. (2011: 13)
- Melanohalea multispora (A. Schneid.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Miller et al. (2011: 13)
- Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Miller et al. (2011: 11 as Melanelia 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)
- Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Thomson (1997: 331 as Lecidea berengeriana), Sarrión et al. (2003: 2)
- Mycoblastus sanguinarius (L.) Norman - Thomson (1997: 426)
- Myriospora smaragdula (Wahlenb. ex Ach.) K. Knudsen & B. F. M. Abbott - McCune et al. (1997: xx erroneously as Acarospora subrufula), Thomson (1997: 34 as Acarospora smaragdula), Knudsen (2007: 95 as Acarospora smaragdula)
- Nephroma bellum (Spreng.) Tuck. - Thomson (1984: 278)
- Nephroma helveticum subsp. sipeanum Gyeln. - Gyelnik (1932: 343 as Nephroma sipeanum Protologue) Type
- Nephroma laevigatum Ach. - Gyelnik (1932: 344 as Nephroma lusitanicum)
- Nephroma occultum Wetmore - Wetmore (1980: 243 Protologue) Type in MIN
- Nephroma parile (Ach.) Ach. - Thomson (1984: 282)
- Nephroma resupinatum (L.) Ach. - Thomson (1984: 283)
- Niebla cephalota (Tuck.) Rundel & Bowler - Geiser et al. (2004: 107)
- Ochrolechia androgyna (Hoffm.) Arnold - Thomson (1997: 430)
- Ochrolechia inaequatula (Nyl.) Zahlbr. - Miller et al. (2011: 13)
- Ochrolechia upsaliensis (L.) A. Massal. - Thomson (1997: 436), Miller et al. (2011: 11)
- Ophioparma lapponica (Räsänen) Hafellner & Rogers - Thomson (1997: 440)
- Pachypeltis cladodes (Tuck.) Søchting, Frödén & Arup - McCune (2007: 73 as Caloplaca cladodes)
- Pannaria rubiginosa (Thunb. ex Ach.) Delise - Geiser et al. (2004: 107)
- Parmelia barrenoae Divakar, M. C. Molina & A. Crespo - Hodkinson et al. (2010: 3)
- Parmelia pseudosulcata Gyeln. - Gyelnik (1934: 282 Protologue) Type in Budapest, Hungary BP
- Parmelia saxatilis (L.) Ach. - Gyelnik (1934: 282 as Parmelia pseudosulcata Thomson (1984: 310), Miller et al. (2011: 11)
- Parmelia squarrosa Hale - Hale (1971: 29)
- Parmelia sulcata Tayl. - Thomson (1984: 318), McCune (2007: 74), Miller et al. (2011: 11)
- Parmeliopsis ambigua (Wulfen) Nyl. - Thomson (1984: 325)
- Parmeliopsis hyperopta (Ach.) Vain. - Thomson (1984: 326)
- Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - McCune (2007: 73 as Caloplaca tiroliensis)
- Peltigera aphthosa (L.) Willd. - Thomson (1984: 329)
- Peltigera collina (Ach.) Schrad. - Thomson (1984: 334)
- Peltigera extenuata (Nyl. ex Vain.) Vain. - Gyelnik (1932: 342 as Peltigera hazslinszkyi), McCune (2007: 74)
- Peltigera hydrothyria Miadl. & Lutzoni - Feige et al. (1989: 70 as Hydrothyria venosa), Glavich & Geiser (2007: 8)
- Peltigera kristinssonii Vitik. - McCune (2007: 74)
- Peltigera leucophlebia (Nyl.) Gyeln. - Thomson (1984: 330 as Peltigera aphthosa var. leucophlebia)
- Peltigera membranacea (Ach.) Nyl. - Thomson (1984: 340)
- Peltigera polydactyla (Neck.) Hoffm. - Gyelnik (1932: 342), Thomson (1984: 343)
- Peltigera ponojensis Gyeln. - Miller et al. (2011: 13)
- Peltigera rufescens (Weiss) Humb. - Gyelnik (1932: 342 as Peltigera canina var. rufescens), Thomson (1984: 333 as Peltigera canina var. rufescens), McCune (2007: 74), Miller et al. (2011: 13)
- Peltigera venosa (L.) Baumg. - Gyelnik (1932: 343), Thomson (1984: 345)
- Phaeophyscia ciliata (Hoffm.) Moberg - Miller et al. (2011: 14)
- Phaeophyscia decolor (Kashiw.) Essl. - McCune (2007: 74)
- Phaeophyscia sciastra (Ach.) Moberg - Thomson (1984: 349), McCune (2007: 74)
- Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Thomson (1997: 467)
- Phaeorrhiza sareptana (Tomin) H. Mayrhofer & Poelt - Miller et al. (2011: 14)
- Physcia aipolia (Humb.) Fürnr. - Thomson (1984: 353), Miller et al. (2011: 14)
- Physcia biziana (A. Massal.) Zahlbr. - Miller et al. (2011: 11)
- Physcia caesia (Hoffm.) Fürnr. - McCune (2007: 74), Miller et al. (2011: 14)
- Physcia dubia (Hoffm.) Lettau - Thomson (1984: 355), McCune (2007: 74)
- Physcia phaea (Tuck.) J. W. Thomson - Miller et al. (2011: 12)
- Physcia tribacia (Ach.) Nyl. - Miller et al. (2011: 12)
- Physconia detersa (Nyl.) Poelt - Thomson (1984: 359)
- Physconia enteroxantha (Nyl.) Poelt - Miller et al. (2011: 14)
- Physconia muscigena (Ach.) Poelt - Thomson (1984: 360), McCune (2007: 74), Miller et al. (2011: 14)
- Placidium imbecillum (Breuss) Breuss - Miller et al. (2011: 14)
- Placidium pilosellum (Breuss) Breuss - Miller et al. (2011: 14)
- Placidium rufescens (Ach.) Breuss - Miller et al. (2011: 14)
- Placidium squamulosum (Ach.) Breuss - Miller et al. (2011: 14)
- Placopsis gelida (L.) Lindsay - Thomson (1997: 472)
- Placopyrenium conforme Breuss - Breuss (2009: 97 Protologue), Miller et al. (2011: 12) Type in Breuss
- Placynthiella icmalea (Ach.) Coppins & P. James - McCune (2007: 74)
- Placynthiella oligotropha (J. R. Laundon) Coppins & P. James - Miller et al. (2011: 14)
- Plycynthiella uliginosa (Schrad.) Coppins & P. James - Miller et al. (2011: 14)
- Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Thomson (1984: 368)
- Pleopsidium chlorophanum (Wahlenb. ex Ach.) Zopf - Thomson (1997: 22), McCune (2007: 74 as Acarospora chlorophana)
- Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Thomson (1984: 483 as Xanthoria candelaria), Miller et al. (2011: 14 as Xanthoria candelaria)
- Polycauliona polycarpa (Ehrh.) Frödén, Arup, & Søchting - Ostrofsky & Denison (1980: 1171 as Xanthoria polycarpa), Thomson (1984: 487 as Xanthoria polycarpa), Miller et al. (2011: 14 as Xanthoria polycarpa)
- Polychidium muscicola (Sw.) Gray - Miller et al. (2011: 14)
- Polysporina urceolata (Anzi) Brodo - McCune (2007: 74)
- Protoblastenia rupestris (Scop.) J. Steiner - McCune (2007: 74)
- Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman - Miller et al. (2011: 14)
- Pseudephebe minuscula (Nyl. ex Arnold) Brodo & D. Hawksw. - Thomson (1984: 373), McCune (2007: 74)
- Pseudephebe pubescens (L.) M. Choisy - Thomson (1984: 374), Miller et al. (2011: 12)
- Pseudocyphellaria perpetua McCune & Miadlikowska - Geiser et al. (2004: 107)
- Psora cerebriformis W. A. Weber - Miller et al. (2011: 14)
- Psora decipiens (Hedw.) Hoffm. - McCune (2007: 74)
- Psora globifera (Ach.) A. Massal. - Thomson (1997: 508), McCune (2007: 74), Miller et al. (2011: 14)
- Psora montana Timdal - McCune (2007: 74), Miller et al. (2011: 14)
- Psora nipponica (Zahlbr.) Gotth. Schneider - Thomson (1997: 510)
- Psoroma hypnorum (Vahl) Gray - Thomson (1984: 375), McCune (2007: 75)
- Pyrrhospora quernea (Dicks.) Körb. - Geiser et al. (2004: 108)
- Ramalina pollinaria (Westr.) Ach. - Geiser et al. (2004: 108)
- Ramboldia cinnabarina (Sommerf.) Kalb, Lumbsch & Elix - Thomson (1997: 336 as Lecidea cinnabarina)
- Ramboldia gowardiana (Spribille & Hauck) Kalb, Lumbsch & Elix - Spribille & Hauck (2003: 560 as Pyrrhospora gowardiana)
- Rhizocarpon bolanderi (Tuck.) Herre. - Thomson (1997: 526), Miller et al. (2011: 12)
- Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Miller et al. (2011: 12)
- Rhizocarpon geographicum (L.) DC. - Thomson (1997: 538), McCune (2007: 74), Miller et al. (2011: 12)
- Rhizocarpon grande (Flörke ex Flot.) Arnold - Thomson (1997: 539), Miller et al. (2011: 12)
- Rhizocarpon lecanorinum Anders - McCune (2007: 74)
- Rhizocarpon sulphurosum (Tuck. ex Willey) Lendemer - Tuckerman (1888: 103 as Buellia bolanderi var. sulphurosum Protologue) Type in Chicago, USA FH
- Rhizocarpon viridiatrum (Wulfen) Körb. - Miller et al. (2011: 12)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Miller et al. (2011: 12)
- Rhizoplaca melanophthalma (Ramond) Leuckert & Poelt - Thomson (1997: 555), McCune (2007: 74), Miller et al. (2011: 12)
- Rhizoplaca peltata (Ramond) Leuckert & Poelt - Thomson (1997: 555)
- Rimularia insularis (Nyl.) Rambold & Hertel - Miller et al. (2011: 12)
- Rinodina aurantiaca Sheard - Sheard & Mayrhofer (2002: 653)
- Rinodina bischoffii (Hepp) A. Massal. - McCune (2007: 74)
- Rinodina hallii Tuck. - Tuckerman (1874: 20 Protologue), Giralt et al. (2010: 100), Sheard (2010: 110) Type in FH
- Rinodina olivaceobrunnea C. W. Dodge & G. E. Baker - Miller et al. (2011: 14)
- Rinodina oregana H. Magn. - Magnusson (1947: 49 Protologue), Sheard (2010: 152) Type in Stockholm, Sweden S
- Rinodina roscida (Sommerf.) Arnold - McCune (2007: 74)
- Rinodina santae-monicae H. Magn. - Sheard (1995: 124 as Rinodina thomsonii)
- Rinodina terrestris Tomin - Miller et al. (2011: 14)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Thomson (1984: 484 as Xanthoria elegans), McCune (2007: 74 as Xanthoria elegans)
- Rusavskia sorediata (Vain.) Poelt - McCune (2007: 74 as Xanthoria sorediata)
- Sagedia mastrucata (Wahlenb.) A. Nordin, S. Savić & Tibell - Miller et al. (2011: 12 as Aspicilia mastrucata)
- Sarcogyne regularis Körb. - McCune (2007: 74)
- Scytinium gelatinosum (With.) Otálora, P.M. Jørg. & Wedin - Thomson (1984: 263 as Leptogium sinuatum), Miller et al. (2011: 11 as Leptogium gelatinosum)
- Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Miller et al. (2011: 13 as Leptogium lichenoides)
- Scytinium palmatum (Huds.) Gray - Thomson (1984: 260 as Leptogium palmatum)
- Scytinium subaridum (P. M. Jørg. & Goward) Otálora, P. M. Jørg. & Wedin - Aragón et al. (2004: 165 as Leptogium subaridum), Miller et al. (2011: 13 as Leptogium subaridum)
- Scytinium tenuissimum (Hoffm.) Otálora, P. M. Jørg. & Wedin - Miller et al. (2011: 13 as Leptogium tenuissimum)
- Solorina spongiosa (Ach.) Anzi - McCune (2007: 74)
- Sporastatia testudinea (Ach.) A. Massal. - McCune (2007: 74)
- Staurothele areolata (Ach.) Lettau - Thomson (1997: 592), McCune (2007: 74), Miller et al. (2011: 12)
- Staurothele drummondii (Tuck.) Tuck. - Thomson (1997: 595), Miller et al. (2011: 12)
- Staurothele fissa (Tayler) Zwackh - Thomson (1997: 596), McCune (2007: 74), Miller et al. (2011: 12)
- Stereocaulon glareosum (Savicz) H. Magn. - McCune (2007: 74)
- Stereocaulon tomentosum E. Fries - Thomson (1984: 428)
- Strangospora moriformis (Ach.) Stein - Thomson (1984: 598)
- Sulcaria badia Brodo & D. Hawksw. - Brodo & Hawksworth (1977: 146 Protologue) Type
- Teloschistes flavicans (Sw.) Norman - Geiser et al. (2004: 109)
- Tephromela atra (Huds.) Hafellner - Thomson (1997: 633)
- Tetramelas papillatus (Sommerf.) Kalb - Miller et al. (2011: 12 as Buellia papillata)
- Tetramelas terricolus (A. Nordin) Kalb - Miller et al. (2011: 12 as Buellia terricola)
- Tetramelas triphragmoides (Anzi) A. Nordin & Tibell - Miller et al. (2011: 12 as Buellia triphragmoides)
- Texosporium sancti-jacobi (Tuck.) Nádv. - Miller et al. (2011: 14)
- Thamnolia subuliformis (Ehrh.) W. L. Culb. - McCune (2007: 74)
- Thamnolia vermicularis (Sw.) Ach. - Thomson (1984: 438)
- Thelenella muscorum (Fries) Vain. var. octospora (Nyl.) Coppins & Fryday - Miller et al. (2011: 14)
- Thelomma ocellatum (Körb.) Tibell - McCune (2007: 74), Miller et al. (2011: 14)
- Toninia ruginosa (Tuck.) Herre subsp. ruginosa - Miller et al. (2011: 14)
- Trapeliopsis bisorediata McCune & Camacho - Miller et al. (2011: 14)
- Tremolecia atrata (Ach.) Hertel - McCune (2007: 74)
- Umbilicaria decussata (Vill.) Zahlbr. - Thomson (1984: 288 as Omphalodiscus decussatus)
- Umbilicaria deusta (L.) Baumg. - Thomson (1984: 449)
- Umbilicaria hyperborea (Ach.) Hoffm. var. hyperborea - Thomson (1984: 453), McCune (2007: 74), Miller et al. (2011: 12)
- Umbilicaria lyngei Schol. - Thomson (1984: 28 as Agyrophora lyngei)
- Umbilicaria phaea Tuck. - Thomson (1984: 455), Miller et al. (2011: 12)
- Umbilicaria polaris (Schol.) Zahlbr. - Thomson (1984: 289 as Omphalodiscus krascheninnikovii), McCune (2007: 74 as Umbilicaria krascheninnikovii)
- Umbilicaria polyphylla (L.) Baumg. - Thomson (1984: 457)
- Umbilicaria proboscidea (L.) Schrad. - Thomson (1984: 458)
- Umbilicaria torrefacta (Lightf.) Schrad. - Thomson (1984: 459)
- Umbilicaria vellea (L.) Ach. - Thomson (1984: 460)
- Umbilicaria virginis Schaer. - Thomson (1984: 290 as Omphalodiscus virginis), McCune (2007: 74)
- Usnea cavernosa Tuck. - Thomson (1984: 463)
- Usnea dasopoga (Ach.) Nyl. - Thomson (1984: 465)
- Usnea hirta (L.) Weber ex F.H. Wigg. - Thomson (1984: 467), Miller et al. (2011: 14)
- Usnea scabrata Nyl. - Miller et al. (2011: 14)
- Usnea subfloridana Stirt. - Thomson (1984: 469)
- Usnea subgracilis Vain. - Geiser et al. (2004: 109 as Usnea hesperina)
- Usnea substerilis Motyka - Thomson (1984: 470)
- Verrucaria nigrescens Pers. - Thomson (1997: 642)
- Vestergrenopsis sonomensis (Tuck.) T. Sprib. & Muggia - McCune (2007: 74 as Koerberia sonomensis)
- Xanthocarpia lactea (A. Massal.) Zahlbr. - McCune (2007: 73 as Caloplaca lactea)
- Xanthocarpia tominii (Savicz) Frödén, Arup & Søchting - Miller et al. (2011: 13 as Caloplaca tominii)
- Xanthomendoza borealis (R. Sant. & Poelt in Poelt und Petutschnig) Søchting, Kärnefelt & S. Y. Kondr. - Poelt & Petutschnig (1992: 18 as Xanthoria borealis)
- Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Y. Kondr. - Thomson (1984: 486 as Xanthoria fallax), Miller et al. (2011: 14)
- Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Y. Kondr. - McCune (2007: 74), Miller et al. (2011: 14)
- Xanthomendoza oregana (Gyeln.) Søchting, Kärnefelt & S. Y. Kondr. - Gyelnik (1934: 284 as Xanthoria oregana Protologue), Almborn (1963: 169) Type
- Xanthomendoza trachyphylla (Tuck.) Frödén, Arup & Søchting - Thomson (1997:177 as Caloplaca trachyphylla)
- Xanthoparmelia coloradoensis (Gyeln.) Hale - McCune (2007: 74)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Miller et al. (2011: 12)
- Xanthoparmelia plittii (Gyeln.) Hale - Miller et al. (2011: 12)
- Xanthoparmelia subhosseana (Essl.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch - Miller et al. (2011: 12)
- Xanthoparmelia taractica (Kremp.) Hale - Thomson (1984: 480)
- Xanthoparmelia wyomingica (Gyeln.) Hale - Miller et al. (2011: 12)
- Xylographa vitiligo (Ach.) J. R. Laundon - McCune (2007: 75)
- Xylopsora friesii (Ach. in Lilj.) Bendiksby & Timdal - Thomson (1997: 247 as Hypocenomyce friesii)