Lichenized Fungi of Alaska
Not assigned to family
Not assigned to family
Generated from PNW Herbaria database
November 28, 2020.
240 genus names
1,051 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Acarospora, Acroscyphus, Adelolecia, Agonimia, Alectoria, Allantoparmelia, Allarthonia, Allocetraria, Amandinea, Amygdalaria, Anamylopsora, Anaptychia, Arctocetraria, Arctomia, Arctoparmelia, Arthonia, Arthopyrenia, Arthothelium, Arthrorhaphis, Asahinea, Aspicilia, Aspilidea
B: Bacidia, Bactrospora, Baeomyces, Bellemerea, Biatora, Biatorella, Botryolepraria, Brigantiaea, Brodoa, Bryocaulon, Bryonora, Bryoria, Buellia, Bunodophoron
C: Calicium, Caloplaca, Calvitimela, Candelaria, Candelariella, Carbonea, Catapyrenium, Catolechia, Cavernularia, Cetraria, Cetrariella, Cetrelia, Chaenotheca, Chaenothecopsis, Cheiromycina, Chrysothrix, Cladina, Cladonia, Clauzadeana, Cliostomum, Coccocarpia, Coccotrema, Coenogonium, Collema, Collemopsidium, Cornicularia, Crocynia, Cyphelium, Cystocoleus
H: Haematomma, Hafellia, Helocarpon, Herteliana, Heterodermia, Hymenelia, Hypocenomyce, Hypogymnia, Hypotrachyna
J: Japewia
L: Lasallia, Lecanactis, Lecanora, Lecidea, Lecidella, Lecidoma, Leciophysma, Leioderma, Lemmopsis, Lempholemma, Lepraria, Leprocaulon, Leproloma, Leptogium, Letharia, Leucocarpia, Lichenomphalia, Lichinella, Lichinodium, Lobaria, Lobothallia, Lopadium, Lopezaria, Loxosporopsis
M: Masonhalea, Masontralea, Massalongia, Megaspora, Melanelia, Melanelixia, Melanohalea, Menegazzia, Micarea, Miriquidica, Mycobilimbia, Mycoblastus
P: Pannaria, Parmelia, Parmeliella, Parmeliopsis, Parmotrema, Peltigera, Pertusaria, Phaeophyscia, Phaeorrhiza, Phylliscum, Physcia, Physciella, Physconia, Pilophorus, Placidiopsis, Placidium, Placopsis, Placynthiella, Placynthium, Platismatia, Pleopsidium, Polyblastia, Polycauliona, Polychidium, Polysporina, Porina, Porocyphus, Porpidia, Protoblastenia, Protomicarea, Protopannaria, Protoparmelia, Pseudephebe, Pseudocyphellaria, Psilolechia, Psora, Psoroma, Psorula, Pycnothelia, Pyrrhospora
S: Sagiolechia, Sarcogyne, Sarcosagium, Schadonia, Schaereria, Scutula, Scytinium, Siphula, Solorina, Sphaerophorus, Spilonema, Spilonemella, Sporastatia, Squamarina, Staurothele, Stereocaulon, Sticta, Synalissa
T: Tephromela, Thamnolia, Thelidium, Thelomma, Thelopsis, Thelotrema, Thermutis, Thrombium, Toninia, Trapelia, Trapeliopsis, Tremolecia, Tuckermannopsis
U: Umbilicaria, Usnea
Acarospora amphibola (WTU; 1; 1948)
Acarospora cervina (ALA; 4; 1960-1993)
Acarospora fuscata (ALA; 4; 1992-1993)
Acarospora impressula (ALA; 3; 1992)
Acarospora macrospora (ALA; 1; 1993)
Acarospora peliscypha (ALA; 2; 1993)
Acarospora schleicheri (ALA; 2; 1973)
Acarospora smaragdula (ALA; 4; 1992-1993)
Acarospora veronensis (ALA; 1; 1981)
Acroscyphus sphaerophoroides (UAAH; 2; 2011)
Adelolecia kolaensis (WTU; 2; 1913)
Adelolecia pilati (ALA; 5; 1959-1980)
Agonimia gelatinosa (ALA; 1; 1985)
Alectoria imshaugii (OSC; 1; 2005)
Alectoria nigricans (ALA, SRP-L, UBC, V, WTU; 111; 1800-2014)
Alectoria ochroleuca (ALA, NY, RR, SRP-L, UAAH, UBC, V, WTU; 148; 1800-2019)
Alectoria sarmentosa (ALA, NY, OSC, SRP-L, UBC, V, WTU; 273; 1899-2015)
ssp. sarmentosa (WTU; 3; 1905-1956)
ssp. vexillifera (NY; 1; 1899)
Allantoparmelia almquistii (ALA; 29; 1800-2007)
Allantoparmelia alpicola (ALA; 44; 1800-2015)
Allarthonia phaeobaea (WTU; 2; 1951-1955)
Allocetraria madreporiformis (ALA, RR, UBC; 9; 1800-2011)
Amandinea adjuncta (ALA; 1; 1992)
Amandinea cacuminum (ALA; 4; 1992-1993)
Amandinea punctata (ALA; 6; 1970-1992)
Amygdalaria consentiens (ALA, RR; 6; 1991-2013)
Amygdalaria continua (ALA; 3; 1993-2013)
Amygdalaria elegantior (ALA, NY, WTU; 9; 1948-1994)
Amygdalaria haidensis (ALA; 1; 1993)
Amygdalaria panaeola (ALA, WTU; 32; 1800-2012)
Amygdalaria pelobotryon (ALA, WTU; 8; 1951-2012)
Amygdalaria subdissentiens (ALA; 7; 1992-2013)
Anamylopsora pulcherrima (WTU; 1; 1951)
Anaptychia bryorum (ALA, SRP, SRP-L; 5; 1800-2014)
Anaptychia elbursiana (ALA; 1; 1800)
Anaptychia setifera (ALA; 1; 1966)
Arctocetraria andrejevii (ALA, RR, UBC, WTU; 48; 1800-2007)
Arctocetraria nigricascens (WTU; 1; 1958)
Arctomia delicatula (SRP-L; 2; 2015)
Arctoparmelia centrifuga (ALA, RR, UBC, WTU; 49; 1800-2016)
Arctoparmelia incurva (ALA; 20; 1800-2013)
Arctoparmelia separata (ALA, NY, RR, SRP-L, UBC, WTU; 81; 1800-2015)
Arthonia arthonioides (ALA; 1; 2008)
Arthonia excedens (WTU; 3; 1949)
Arthonia phaeobaea (WTU; 1; 1955)
Arthonia pruinata (ALA; 1; 2001)
Arthopyrenia analepta (ALA; 7; 1992-1993)
Arthopyrenia punctiformis (ALA; 1; 1992)
Arthothelium dispersum (WTU; 1; 1950)
Arthrorhaphis alpina (ALA, RR, SRP-L; 7; 1970-2015)
Arthrorhaphis citrinella (ALA; 1; 1992)
Asahinea chrysantha (ALA, NY, RR, SRP, UAAH, UBC, WTU; 73; 1800-2019)
Asahinea scholanderi (ALA, RR, UBC, WTU; 69; 1800-2015)
Aspicilia anseris (WTU; 1; 1958)
Aspicilia aquatica (ALA; 1; 1976)
Aspicilia caesiocinerea (WTU; 1; 1951)
Aspicilia caesiopruinosa (ALA; 7; 1979)
Aspicilia calcarea (ALA; 1; 1979)
Aspicilia cinerea (ALA; 29; 1959-2001)
Aspicilia fimbriata (ALA, WTU; 3; 1958)
Aspicilia gibbosa (SRP-L; 1; 2015)
Aspicilia plicigera (ALA, SRP-L; 4; 1976)
Aspicilia ryrkaipiae (ALA; 1; 1980)
Aspilidea myrinii (ALA, WTU; 6; 1979-2002)
Bacidia bagliettoana (ALA; 2; 1992)
Bacidia friesiana (SRP-L; 1; 2015)
Bacidia illudens (ALA; 1; 2012)
Bactrospora cascadensis (ALA; 2; 2005-2009)
Bactrospora patellarioides (ALA; 1; 1993)
Baeomyces carneus (SRP-L; 2; 2014)
Baeomyces placophyllus (ALA, RR, SRP-L; 14; 1956-2014)
Baeomyces rufus (ALA, RR, SRP, SRP-L, WTU; 38; 1967-2015)
Bellemerea alpina (ALA; 2; 1800-2012)
Bellemerea cinereorufescens (ALA; 1; 1993)
Biatora alaskana (WTU; 1; 2001)
Biatora cuprea (ALA; 2; 1961)
Biatora helvola (WTU; 1; 1989)
Biatora subduplex (ALA; 2; 1973-1978)
Biatora toensbergii (ALA; 1; 2011)
Biatora vacciniicola (WTU; 1; 2001)
Biatora vernalis (ALA, SRP, SRP-L, WTU; 7; 1913-2014)
Biatorella contigua (ALA; 1; ?)
Botryolepraria lesdainii (ALA; 1; 2003)
Brigantiaea fuscolutea (ALA; 6; 1993-2013)
Brodoa oroarctica (ALA, OSC, RR, SRP; 18; 1800-2015)
Bryocaulon divergens (ALA, NY, RR, SRP-L, UAAH, UBC, WTU; 140; 1800-2019)
Bryocaulon pseudosatoanum (ALA, OSC, SRP; 21; 1989-2009)
Bryonora castanea (RR; 2; 2004)
Bryonora curvescens (ALA; 2; 1976-1978)
Bryoria bicolor (ALA, OSC, SRP, SRP-L, WTU; 113; 1948-2015)
Bryoria capillaris (ALA, OSC, SRP, UBC, WTU; 82; 1800-2014)
Bryoria carlottae (ALA, RR; 17; 1990-2003)
Bryoria cervinula (ALA, OSC, RR; 24; 1990-2007)
Bryoria chalybeiformis (ALA, OSC; 6; 1969-2007)
Bryoria fremontii (ALA, RR; 3; 1800-1975)
Bryoria friabilis (ALA, SRP; 3; 1990-1993)
Bryoria fuscescens (ALA, OSC, SRP-L; 80; 1800-2013)
Bryoria glabra (ALA, OSC, RR; 129; 1800-2009)
Bryoria implexa (ALA, SRP-L, UBC; 6; 1800-2014)
Bryoria lanestris (ALA, OSC, UBC, WTU; 49; 1800-2013)
Bryoria nadvornikiana (ALA, RR; 8; 1974-2007)
Bryoria nitidula (ALA, RR, V, WTU; 63; 1800-2015)
Bryoria pseudofuscescens (ALA, OSC; 57; 1800-2013)
Bryoria simplicior (ALA, SRP-L, WTU; 56; 1800-2015)
Bryoria tenuis (ALA, OSC, RR, SRP-L; 91; 1970-2015)
Bryoria tortuosa (RR; 1; 1999)
Bryoria trichodes (ALA, OSC, RR, SRP-L, UAAH, WTU; 321; 1800-2014)
ssp. americana (OSC, RR, SRP-L, WTU; 30; 1948-2014)
Buellia aethalea (ALA; 1; 1973)
Buellia badia (ALA, WTU; 2; 1951-1993)
Buellia elegans (ALA; 3; 1979-2001)
Buellia erubescens (ALA; 1; 1992)
Buellia insignis (ALA; 1; 1992)
Buellia ocellata (ALA; 1; 1992)
Buellia papillata (ALA; 10; 1971-1993)
Buellia spuria (ALA; 1; 1991)
Buellia stellulata (WTU; 1; 1954)
Bunodophoron melanocarpum (ALA, OSC, WTU; 19; 1989-2007)
Calicium abietinum (WTU; 1; 1913)
Calicium adaequatum (ALA; 1; 1992)
Calicium glaucellum (ALA; 1; 1994)
Calicium lenticulare (ALA; 1; 1991)
Calicium viride (ALA, OSC, WTU; 6; 1800-2009)
Caloplaca ammiospila (ALA, RR; 15; 1970-2004)
Caloplaca approximata (ALA; 1; 1992)
Caloplaca borealis (ALA; 6; 1992-1993)
Caloplaca castellana (ALA; 1; 1993)
Caloplaca cerina (ALA, UBC, WTU; 13; 1800-1992)
Caloplaca chrysodeta (ALA; 1; 2000)
Caloplaca citrina (ALA, SRP-L; 3; 1991-2015)
Caloplaca exsecuta (ALA; 2; 1980-1992)
Caloplaca ferruginea (ALA; 2; 1970)
Caloplaca flavogranulosa (ALA, WTU; 2; 1949-2005)
Caloplaca flavovirescens (ALA, WTU; 3; 1953-1973)
Caloplaca fraudans (ALA; 1; 1976)
Caloplaca granulosa (ALA; 1; 1960)
Caloplaca holocarpa (ALA, OSC; 16; 1976-2008)
Caloplaca jungermanniae (ALA, RR, SRP-L, UBC; 9; 1976-2004)
Caloplaca lactea (ALA; 3; 1992-1993)
Caloplaca litoricola (ALA, RR; 7; 1990-2005)
Caloplaca livida (ALA, WTU; 2; 1958)
Caloplaca microthallina (ALA; 1; 2001)
Caloplaca saxicola (ALA, WTU; 4; 1964-2002)
Caloplaca sinapisperma (ALA; 2; 1973-1976)
Caloplaca tetraspora (ALA; 1; 1976)
Caloplaca tiroliensis (ALA, WTU; 6; 1970-1993)
Caloplaca tominii (ALA, SRP-L; 3; 1981-2014)
Caloplaca verruculifera (ALA, OSC, WTU; 5; 1932-1995)
Caloplaca xanthostigmoidea (NY; 1; 1991)
Calvitimela aglaea (ALA; 6; 1959-1980)
Calvitimela armeniaca (ALA; 3; 1976-1992)
Candelaria concolor (ALA, RR, WTU; 8; 1949-2013)
var. effusa (WTU; 1; 1949)
Candelariella athallina (ALA; 9; 1976-1993)
Candelariella aurella (ALA, WTU; 7; 1913-1993)
Candelariella efflorescens (NY; 1; 1987)
Candelariella lutella (ALA; 2; 1992-1993)
Candelariella placodizans (ALA; 2; 1992)
Candelariella terrigena (ALA; 9; 1800-2007)
Candelariella vitellina (ALA; 10; 1800-1992)
Candelariella xanthostigma (ALA; 3; 1973-1993)
Carbonea vitellinaria (ALA; 1; 1992)
Carbonea vorticosa (ALA; 3; 1976-1992)
Catapyrenium cinereum (ALA, RR; 6; 1992-2004)
Catapyrenium daedaleum (ALA, SRP, SRP-L; 3; 2013-2014)
Catolechia wahlenbergii (ALA; 2; 1993-2014)
Cavernularia hultenii (ALA, OSC, RR, SRP-L, UBC, WTU; 205; 1800-2015)
Cavernularia lophyrea (ALA, OSC, RR, UBC, WTU; 81; 1982-2012)
Cetraria aculeata (ALA, RR, SRP-L, UBC; 53; 1800-2016)
Cetraria arenaria (WTU; 1; 1982)
Cetraria ericetorum (ALA, RR, SRP-L, UBC, WTU; 60; 1800-2015)
ssp. (rasanen) (UBC; 1; 1998)
ssp. ericetorum (ALA; 2; 1800-1962)
Cetraria islandica (ALA, NY, OSC, RR, SRP-L, UAAH, UBC, WTU; 301; 1800-2019)
ssp. (rasanen) (UBC; 3; 1998)
ssp. crispiformis (RR, UBC, WTU; 5; 1975-2004)
ssp. islandica (RR, WTU; 3; 1975-2004)
Cetraria kamczatica (ALA, UBC; 53; 1800-2007)
Cetraria laevigata (ALA, RR, UBC, WTU; 197; 1800-2011)
Cetraria muricata (ALA, WTU; 25; 1800-2005)
Cetraria nigricans (ALA, RR, UBC, WTU; 81; 1800-2015)
Cetraria odontella (ALA; 1; 2011)
Cetrariella delisei (ALA, UAAH, UBC, WTU; 124; 1800-2019)
Cetrariella fastigiata (ALA, SRP-L, UBC, WTU; 19; 1800-2014)
Cetrelia alaskana (ALA, NY, RR, WTU; 17; 1800-2006)
Cetrelia cetrarioides (ALA, OSC, SRP-L, WTU; 31; 1800-2015)
Cetrelia olivetorum (ALA; 1; 1800)
Chaenotheca brunneola (ALA; 1; 1993)
Chaenotheca chrysocephala (ALA; 3; 1991-1994)
Chaenotheca furfuracea (ALA, RR, UBC, WTU; 7; 1940-2015)
Chaenotheca laevigata (ALA; 2; 1800)
Chaenotheca stemonea (ALA; 3; 1800-2000)
Chaenotheca trichialis (ALA; 1; 1800)
Chaenothecopsis pusilla (ALA; 1; 1993)
Chaenothecopsis tasmanica (ALA, OSC; 2; 1992-2007)
Cheiromycina flabelliformis (ALA; 1; 2003)
Chrysothrix candelaris (ALA, OSC; 5; 1991-2008)
Chrysothrix chlorina (ALA; 10; 1800-1993)
Chrysothrix chrysophthalma (ALA, WTU; 3; 2001)
Chrysothrix granulosa (ALA, OSC; 3; 2003-2007)
Cladina arbuscula (ALA; 12; 1989-1991)
Cladina portentosa (ALA; 1; 1992)
Cladina pseudovansii (UBC; 2; 1940)
Cladina stellaris (ALA, UBC, WTU; 113; 1800-2007)
Cladonia acuminata (ALA, WTU; 51; 1800-2015)
Cladonia alaskana (ALA; 6; 1800-2004)
Cladonia albonigra (ALA, OSC, SRP-L, UBC; 53; 1800-2015)
Cladonia amaurocraea (ALA, OSC, RR, SRP-L, UAAH, UBC, WTU; 296; 1800-2018)
Cladonia arbuscula (ALA, NY, OSC, RR, SRP, UBC, WTU; 308; 1800-2013)
ssp. beringiana (RR, WTU; 5; 1962-1979)
Cladonia asahinae (ALA; 4; 1800-2003)
Cladonia bacilliformis (ALA; 86; 1800-2010)
Cladonia bellidiflora (ALA, OSC, RR, SRP, SRP-L, UAAH, UBC, WTU; 387; 1800-2018)
Cladonia borealis (ALA, RR, UBC, WTU; 108; 1800-2015)
Cladonia boryi (ALA; 1; 1800)
Cladonia botrytes (ALA, RR, WTU; 26; 1800-2010)
Cladonia caespiticia (WTU; 1; 1949)
Cladonia cariosa (ALA, UAAH, UBC, WTU; 24; 1800-2015)
Cladonia carneola (ALA, OSC, UBC, WTU; 93; 1800-2015)
Cladonia cenotea (ALA, OSC, WTU; 116; 1800-2015)
Cladonia cervicornis (ALA, SRP-L, UBC, WTU; 56; 1800-2015)
ssp. verticillata (ALA, SRP-L, WTU; 10; 1800-2015)
Cladonia chlorophaea (ALA, OSC, UAAH, UBC, WTU; 238; 1800-2019)
Cladonia ciliata (ALA, SRP-L; 14; 1800-2015)
Cladonia coccifera (ALA, OSC, SRP, UBC, WTU; 230; 1800-2008)
Cladonia coniocraea (ALA, OSC, RR, WTU; 120; 1800-2015)
Cladonia cornuta (ALA, NY, OSC, RR, SRP, UBC, WTU; 408; 1800-2015)
ssp. cornuta (OSC; 2; 2009)
ssp. groenlandica (WTU; 4; 2001)
Cladonia crispata (ALA, RR, SRP, UBC, WTU; 173; 1800-2015)
var. crispata (WTU; 1; 1939)
Cladonia cristatella (ALA, OSC; 5; 1800-2007)
Cladonia cryptochlorophaea (ALA, WTU; 9; 1800-2007)
Cladonia cyanipes (ALA, RR, UBC, WTU; 135; 1800-2012)
Cladonia cylindrica (WTU; 1; 1981)
Cladonia decorticata (ALA; 27; 1981-2007)
Cladonia deformis (ALA, OSC, UBC, WTU; 121; 1800-2015)
Cladonia digitata (ALA, OSC, WTU; 16; 1800-2007)
Cladonia dimorpha (ALA; 2; 2004-2006)
Cladonia ecmocyna (ALA, OSC, RR, SRP-L, UBC, WTU; 62; 1800-2015)
Cladonia fimbriata (ALA, OSC, SRP, SRP-L, UAAH, UBC, WTU; 153; 1800-2016)
Cladonia furcata (ALA, OSC, UBC, WTU; 98; 1800-2015)
Cladonia gracilis (ALA, OSC, RR, SRP, SRP-L, UAAH, UBC, WTU; 671; 1800-2019)
ssp. ahti (UBC; 10; 1998)
ssp. elongata (WTU; 3; 1948-1973)
ssp. turbinata (WTU; 3; 1987-2004)
ssp. vulnerata (SRP, UBC, WTU; 7; 1990-2004)
Cladonia granulans (SRP-L; 1; 2015)
Cladonia grayi (ALA, OSC; 38; 1800-2007)
Cladonia homosekikaica (ALA; 1; 1990)
Cladonia humilis (ALA; 1; 2007)
Cladonia kanewskii (ALA, SRP, SRP-L, WTU; 27; 1800-2015)
Cladonia leporina (ALA; 4; 1800)
Cladonia luteoalba (ALA, RR, SRP-L; 4; 1800-2015)
Cladonia macilenta (ALA, OSC, SRP-L, WTU; 34; 1800-2015)
var. bacillaris (ALA, OSC, SRP-L, WTU; 12; 1800-2015)
Cladonia macroceras (ALA, UBC; 54; 1800-2008)
Cladonia macrophylla (ALA; 57; 1800-2013)
Cladonia macrophyllodes (ALA, WTU; 24; 1800-2011)
Cladonia maxima (ALA, NY, SRP, SRP-L, UBC, WTU; 58; 1800-2015)
Cladonia merochlorophaea (ALA; 36; 1800-2008)
Cladonia metacorallifera (ALA, OSC, WTU; 27; 1800-2008)
Cladonia mitis (ALA, RR, UAAH, UBC, WTU; 150; 1800-2019)
Cladonia multiformis (ALA, OSC, SRP, WTU; 22; 1800-2008)
Cladonia nipponica (ALA, NY, RR; 15; 1800-2013)
Cladonia norvegica (ALA, RR, SRP-L; 8; 1800-2015)
Cladonia ochrochlora (ALA, OSC, UBC; 211; 1800-2013)
Cladonia phyllophora (ALA, NY, SRP-L, UBC, WTU; 99; 1800-2015)
Cladonia pleurota (ALA, OSC, RR, SRP, SRP-L, UBC, WTU; 137; 1800-2015)
Cladonia pocillum (ALA, RR, WTU; 87; 1800-2013)
Cladonia polycarpoides (ALA; 1; 1800)
Cladonia portentosa (ALA, OSC, UBC, WTU; 34; 1800-2013)
ssp. pacifica (WTU; 1; 1975)
Cladonia prolifica (ALA; 9; 1800-2006)
Cladonia pseudoevansii (ALA, NY, WTU; 4; 1800-2008)
Cladonia pseudomacilenta (ALA; 3; 1800)
Cladonia pyxidata (ALA, NY, OSC, SRP, UAAH, UBC, WTU; 204; 1800-2016)
Cladonia ramulosa (ALA; 1; 1800)
Cladonia rangiferina (ALA, OSC, RR, SRP-L, UAAH, UBC, WTU; 263; 1800-2015)
Cladonia rei (ALA; 2; 1800)
Cladonia scabriuscula (ALA, OSC, SRP-L, UBC, WTU; 122; 1800-2015)
Cladonia schofieldii (ALA; 1; 1800)
Cladonia singularis (ALA; 20; 1800-2015)
Cladonia squamosa (ALA, OSC, SRP-L, UBC, WTU; 458; 1800-2015)
var. subsquamosa (OSC; 53; 2005-2009)
Cladonia stellaris (ALA, OSC, RR, SRP-L, UBC, WTU; 57; 1800-2011)
var. aberrans (ALA, OSC, WTU; 13; 1934-2004)
Cladonia stricta (ALA, UBC, WTU; 55; 1800-2007)
Cladonia stygia (ALA, OSC, RR, UBC, WTU; 39; 1800-2015)
Cladonia subfurcata (ALA, RR, SRP-L, UAAH, UBC, WTU; 90; 1800-2016)
Cladonia subsquamosa (UBC, WTU; 8; 1939-1960)
Cladonia subulata (ALA, UBC, WTU; 24; 1800-2015)
Cladonia sulphurina (ALA, OSC, RR, SRP, UBC, WTU; 225; 1800-2015)
Cladonia symphycarpa (ALA, UBC; 8; 1800-1997)
Cladonia symphycarpia (ALA, RR, WTU; 7; 2004-2007)
Cladonia terrae-novae (ALA; 2; 1800-1962)
Cladonia transcendens (ALA, OSC; 73; 1800-2009)
Cladonia trassii (ALA; 28; 1800-2010)
Cladonia turgida (ALA, UBC, WTU; 3; 1800-1982)
Cladonia umbricola (ALA, OSC, WTU; 117; 1800-2015)
Cladonia uncialis (ALA, NY, RR, SRP, SRP-L, UAAH, UBC, WTU; 222; 1800-2015)
var. turgescens (UBC; 1; 1939)
Cladonia verruculosa (ALA, OSC, RR; 26; 1800-2007)
Cladonia wainioi (ALA, RR, UBC, WTU; 14; 1800-2011)
Clauzadeana macula (ALA; 1; 1978)
Cliostomum griffithii (ALA; 3; 2000-2012)
Cliostomum leprosum (ALA; 2; 2001-2003)
Coccocarpia erythroxyli (ALA, RR; 4; 2004-2005)
Coccotrema maritimum (ALA, WTU; 7; 1800-1998)
Coccotrema pocillarium (ALA, NY, RR, SRP-L, WTU; 11; 1899-2005)
Coenogonium luteum (ALA; 1; 2010)
Coenogonium pineti (WTU; 1; 2001)
Collema bachmanianum (ALA; 3; 1800-2007)
Collema callopismum (ALA; 1; 2002)
Collema ceraniscum (ALA; 10; 1800-2010)
Collema coccophorum (ALA; 1; 1800)
Collema crispum (ALA; 3; 1800)
Collema cristatum (ALA; 4; 1800-2006)
Collema curtisporum (ALA; 7; 1800-2012)
Collema fecundum (ALA, SRP-L; 5; 2001-2015)
Collema flaccidum (ALA; 2; 1800)
Collema furfuraceum (ALA, OSC, SRP, UBC; 50; 1800-2014)
Collema fuscovirens (ALA; 26; 1800-2015)
Collema glebulentum (ALA; 8; 1800-2012)
Collema leptaleum (ALA; 9; 1800)
Collema multipartitum (ALA; 1; 2007)
Collema nigrescens (SRP-L, WTU; 2; 1962-2014)
Collema occultatum (ALA; 1; 1800)
Collema polycarpon (ALA; 10; 1800-2012)
Collema subflaccidum (ALA, UBC; 3; 1800-1998)
Collema tenax (ALA, RR, WTU; 13; 1800-2015)
Collema undulatum (ALA, RR; 17; 1800-2004)
Collemopsidium elegans (ALA; 1; 2012)
Collemopsidium halodytes (ALA; 1; 2012)
Collemopsidium sublitoralis (ALA; 1; 2012)
Cornicularia devergens (UBC; 1; 1977)
Crocynia lanuginosa (WTU; 14; 1947-1955)
Crocynia membranacea (WTU; 9; 1947-1949)
Cyphelium tigillare (ALA; 2; 2012)
Cystocoleus ebeneus (SRP-L; 4; 2014-2015)
Dactylina arctica (ALA, HPSU, NY, RR, SRP-L, UBC, WTU; 212; 1800-2014)
Dactylina beringica (ALA, SRP; 73; 1800-2008)
Dactylina ramulosa (ALA, UBC, WTU; 116; 1800-2015)
Dendriscocaulon intricatulum (ALA, RR; 11; 1990-2011)
Dermatocarpon arnoldianum (ALA, WTU; 3; 1800-2001)
Dermatocarpon intestiniforme (ALA; 3; 1992-1998)
Dermatocarpon luridum (ALA, SRP, SRP-L; 3; 1999-2014)
Dermatocarpon miniatum (ALA, WTU; 4; 1800-2000)
Dermatocarpon reticulatum (ALA; 1; 1800)
Dermatocarpon rivulorum (ALA, SRP-L; 9; 1800-2015)
Dibaeis baeomyces (ALA, RR, SRP-L, WTU; 14; 1800-2015)
Dimelaena oreina (ALA; 6; 1800-2012)
Diploschistes muscorum (ALA, SRP, SRP-L, WTU; 8; 1973-2015)
Diploschistes scruposus (ALA, RR, WTU; 15; 1800-2012)
Diplotomma alboatrum (ALA, WTU; 2; 1913-1991)
Diplotomma epipolium (ALA; 1; 2002)
Endocarpon pulvinatum (ALA; 2; 1974)
Endocarpon pusillum (ALA; 7; 1981-1993)
Ephebe hispidula (ALA; 1; 2005)
Ephebe lanata (ALA, SRP-L; 6; 1800-2015)
Ephebe perspinulosa (SRP-L; 1; 2014)
Ephebe solida (SRP-L; 1; 2015)
Epilichen scabrosus (ALA, NY, RR; 11; 1992-2012)
Erioderma pedicellatum (ALA, SRP; 15; 1800-2014)
Erioderma sorediatum (ALA, OSC, WTU; 10; 1990-2011)
Euopsis granatina (ALA; 7; 1980-1993)
Euopsis pulvinata (ALA, WTU; 9; 1951-2012)
Evernia divaricata (ALA; 1; 2005)
Evernia mesomorpha (ALA, NY, OSC, RR; 95; 1800-2011)
Evernia perfragilis (ALA, RR; 45; 1960-2007)
Evernia prunastri (WTU; 1; 1953)
Farnoldia jurana (ALA, RR; 3; 1991-1993)
Flavocetraria cucullata (ALA, HPSU, OSC, RR, SRP, UAAH, UBC, WTU; 255; 1800-2019)
Flavocetraria minuscula (ALA; 4; 1800-2010)
Flavocetraria nivalis (ALA, NY, OSC, RR, SRP, SRP-L, UBC, WTU; 196; 1800-2013)
Frutidella caesioatra (SRP, SRP-L; 3; 2014-2015)
Fulgensia bracteata (ALA; 31; 1970-1993)
Fulgensia desertorum (ALA; 4; 1981)
Fuscidea mollis (ALA, WTU; 3; 1947-1980)
Fuscopannaria ahlneri (ALA, OSC; 11; 1800-2009)
Fuscopannaria cheiroloba (ALA; 1; 1800)
Fuscopannaria confusa (ALA, SRP, SRP-L; 11; 2012-2015)
Fuscopannaria convexa (SRP-L; 5; 2015)
Fuscopannaria laceratula (ALA, OSC, SRP-L, UBC, WTU; 45; 1949-2015)
Fuscopannaria leucostictoides (ALA, OSC, SRP-L; 23; 1990-2015)
Fuscopannaria maritima (ALA; 2; 1988-1992)
Fuscopannaria mediterranea (SRP-L; 1; 2015)
Fuscopannaria pacifica (ALA, OSC; 8; 1990-2009)
Fuscopannaria praetermissa (ALA, RR, SRP-L, UBC, WTU; 34; 1800-2015)
Fuscopannaria pulveracea (ALA; 1; 1800)
Fuscopannaria ramulina (ALA; 2; 1800-2009)
Fuscopannaria saubinetii (ALA; 1; 1800)
Fuscopannaria viridescens (ALA, SRP-L; 3; 1800-2014)
Glypholecia scabra (ALA; 2; 1977)
Graphis scripta (ALA, WTU; 9; 1913-2012)
Gyalecta foveolaris (ALA; 24; 1970-1992)
Gyalidea hyalinescens (ALA; 3; 1997)
Haematomma ochroleucum (WTU; 2; 1981-2003)
var. porphyrium (WTU; 2; 1981-2003)
Hafellia disciformis (ALA; 6; 1963-1967)
Helocarpon crassipes (ALA; 3; 2001-2002)
Herteliana alaskensis (ALA, WTU; 15; 1945-2000)
Heterodermia japonica (ALA; 2; 1800)
Heterodermia speciosa (ALA, RR, SRP-L, UBC, WTU; 21; 1800-2014)
Hymenelia epulotica (ALA; 2; 1993)
Hymenelia heteromorpha (ALA; 1; 1981)
Hymenelia melanocarpa (ALA; 1; 1978)
Hymenelia rhodopis (SRP-L; 2; 2015)
Hypocenomyce friesii (ALA, UBC; 2; 1979-2001)
Hypocenomyce leucococca (WTU; 1; 2014)
Hypogymnia apinnata (ALA, NY, OSC, SRP-L, WTU; 271; 1899-2015)
Hypogymnia austerodes (ALA, OSC, UBC, WTU; 51; 1800-2012)
Hypogymnia bitteri (ALA, OSC, RR, SRP, UBC, WTU; 121; 1800-2014)
Hypogymnia duplicata (ALA, BLMMD, NY, OSC, RR, UBC, WTU; 185; 1891-2009)
Hypogymnia enteromorpha (ALA, NY, OSC, UBC, WTU; 195; 1913-2011)
Hypogymnia heterophylla (ALA; 1; 1989)
Hypogymnia imshaugii (ALA, UBC; 4; 1982-1993)
Hypogymnia inactiva (ALA, OSC, UBC, WTU; 23; 1955-2009)
Hypogymnia metaphysodes (ALA, UBC; 14; 1982-2007)
Hypogymnia occidentalis (ALA, OSC, SRP-L, UBC, WTU; 78; 1800-2015)
Hypogymnia oceanica (ALA, OSC, RR, UBC; 47; 1989-2009)
Hypogymnia physodes (ALA, NY, OSC, RR, UBC, WTU; 235; 1800-2013)
var. vittata (UBC; 1; 1939)
Hypogymnia pulverata (ALA; 6; 2012-2013)
Hypogymnia rugosa (ALA, OSC, RR; 10; 1994-2011)
Hypogymnia subobscura (ALA, NY, RR, WTU; 44; 1800-2015)
Hypogymnia tubulosa (ALA, OSC, WTU; 44; 1800-2009)
Hypogymnia vittata (ALA, OSC, RR, SRP-L, WTU; 125; 1956-2015)
Hypotrachyna sinuosa (ALA, OSC, SRP-L, WTU; 32; 1957-2015)
Icmadophila ericetorum (ALA, NY, OSC, SRP, SRP-L, UBC, WS, WTU; 130; 1800-2015)
Illosporium carneum (ALA; 1; 2012)
Immersaria carbonoidea (ALA; 2; 1958)
Imshaugia aleurites (ALA, OSC, RR, SRP-L, WTU; 37; 1800-2014)
Ionaspis lacustris (ALA, UBC, WTU; 7; 1800-2008)
Japewia subaurifera (ALA, WTU; 2; 1991-2001)
Japewia tornoensis (ALA, SRP-L; 6; 1978-2015)
Kaernefeltia californica (RR; 1; 1991)
Kaernefeltia merrillii (ALA, UBC; 4; 1982-1993)
Koerberiella wimmeriana (ALA; 1; 2001)
Kohlmeyera complicatula (SRP-L, UBC, WTU; 3; 1960-2015)
Lasallia papulosa (ALA; 1; 1978)
Lasallia pensylvanica (ALA, UBC; 24; 1800-2015)
Lecanactis abietina (ALA; 2; 2000-2001)
Lecanora alaskensis (ALA; 1; 1982)
Lecanora albella (WTU; 1; 1897)
Lecanora albescens (WTU; 1; 1949)
Lecanora aleutica (ALA, WTU; 5; 1800-2000)
Lecanora allophana (ALA, WTU; 10; 1913-1967)
Lecanora argopholis (ALA; 7; 1960-1981)
Lecanora atrosulphurea (ALA; 6; 1960)
Lecanora bicincta (ALA; 1; 1977)
Lecanora cenisia (ALA; 10; 1800-1993)
Lecanora cinereofusca (ALA; 4; 1992-1994)
Lecanora circumborealis (ALA; 44; 1954-2006)
Lecanora crenulata (ALA; 2; 2000)
Lecanora crustacea (ALA; 2; 1978)
Lecanora dispersa (ALA; 3; 1982-2011)
Lecanora epibryon (ALA, NY, RR, SRP-L, WTU; 102; 1800-2014)
Lecanora expallens (ALA; 3; 1970-2003)
Lecanora fugiens (ALA; 1; 2005)
Lecanora fuscescens (ALA; 1; 1982)
Lecanora geophila (ALA; 2; 1980)
Lecanora impudens (ALA; 1; 1979)
Lecanora intricata (ALA; 1; 2013)
Lecanora leptacina (ALA; 2; 1993)
Lecanora luteovernalis (ALA, RR; 4; 1971-2004)
Lecanora marginata (ALA, WTU; 6; 1956-1979)
Lecanora muralis (ALA, WTU; 21; 1913-1998)
Lecanora polytropa (ALA, WTU; 51; 1965-2012)
Lecanora pulicaris (ALA; 4; 1953-1993)
Lecanora rugosella (WTU; 1; 1940)
Lecanora rupicola (ALA; 12; 1959-1992)
Lecanora straminea (ALA, WTU; 16; 1932-2000)
Lecanora strobilina (ALA; 1; 1991)
Lecidea atrobrunnea (ALA; 2; 1960)
Lecidea auriculata (ALA, WTU; 5; 1932-1980)
Lecidea berengeriana (ALA, WTU; 2; 1955-2012)
Lecidea confluens (WTU; 2; 1913-1948)
Lecidea diapensiae (ALA; 1; 2004)
Lecidea diducens (ALA; 1; 1980)
Lecidea ecrustacea (ALA; 1; 1978)
Lecidea fuscoatra (ALA; 1; 1977)
Lecidea lapicida (ALA, SRP-L, V, WTU; 22; 1955-2015)
Lecidea leprarioides (WTU; 1; 1991)
Lecidea plana (ALA; 1; 1995)
Lecidea ramulosa (ALA; 9; 1970-1980)
Lecidea silacea (WTU; 1; 1913)
Lecidea somphoterella (ALA; 2; 1960)
Lecidea swartzioidea (ALA; 1; 1980)
Lecidea syncarpa (WTU; 1; 1950)
Lecidea tessellata (ALA; 15; 1960-1979)
Lecidella carpathica (ALA; 5; 1978-2013)
Lecidella euphorea (ALA; 9; 1954-1992)
Lecidella patavina (ALA; 4; 1980)
Lecidella stigmatea (ALA, WTU; 14; 1958-2012)
Lecidella wulfenii (ALA; 7; 1969-1992)
Lecidoma demissum (ALA, RR, SRP, SRP-L, WTU; 29; 1940-2015)
Leciophysma finmarkicum (ALA, RR, WTU; 9; 1989-2009)
Leciophysma furfurascens (ALA; 2; 1970)
Leioderma sorediatum (ALA; 2; 2001)
Lemmopsis arnoldiana (ALA; 1; 1979)
Lempholemma polyanthes (ALA; 2; 1800-2007)
Lempholemma radiatum (UBC; 1; 1968)
Lempholemma vesiculiferum (SRP-L; 2; 2014)
Lepraria caesioalba (ALA; 4; 1993)
Lepraria diffusa (RR; 1; 2004)
Lepraria eburnea (NY; 1; 1947)
Lepraria lobificans (ALA, NY, OSC; 5; 1947-2005)
Lepraria membranacea (UBC; 1; 1950)
Lepraria neglecta (ALA, SRP-L; 8; 1993-2015)
Lepraria vouauxii (ALA; 1; 1990)
Leprocaulon albicans (ALA; 4; 1993)
Leprocaulon subalbicans (ALA; 8; 1992-1994)
Leproloma membranaceum (WTU; 2; 1945)
Leptogium brebissonii (ALA, OSC; 6; 1996-2007)
Leptogium burnetiae (ALA, OSC; 9; 1991-2009)
Leptogium californicum (ALA; 4; 1993)
Leptogium cyanescens (ALA, WTU; 6; 1955-1993)
Leptogium gelatinosum (ALA; 8; 1957-2013)
Leptogium hirsutum (ALA; 3; 1965-2001)
Leptogium imbricatum (ALA, SRP-L; 2; 2010-2015)
Leptogium intermedium (ALA, SRP-L; 4; 1993-2014)
Leptogium lichenoides (ALA, RR, WTU; 38; 1800-2012)
Leptogium palmatum (ALA, WTU; 10; 1913-1998)
Leptogium saturninum (ALA, NY, OSC, RR, SRP-L, UAAH, UBC, WTU; 178; 1800-2018)
Leptogium schraderi (ALA; 1; 2002)
Leptogium subtile (RR; 1; 1975)
Leptogium tenuissimum (ALA; 8; 1800-2007)
Leptogium teretiusculum (RR; 1; 2011)
Letharia vulpina (UBC, WTU; 2; ?)
Leucocarpia biatorella (RR; 1; 2004)
Lichenomphalia alpina (WTU; 6; 1977-2006)
Lichenomphalia hudsoniana (ALA, WTU; 42; 1800-2012)
Lichenomphalia umbellifera (ALA, SRP-L, WTU; 69; 1975-2014)
Lichinella nigritella (SRP-L; 2; 2014)
Lichinella stipatula (WTU; 2; 1989)
Lichinodium canadense (ALA; 4; 1800-1994)
Lichinodium sirosiphoideum (ALA; 1; 1800)
Lobaria amplissima (ALA, RR, WTU; 25; 1999-2011)
Lobaria hallii (ALA, OSC, RR, SRP-L, UBC, WTU; 54; 1800-2015)
Lobaria kurokawae (ALA, UBC; 9; 2000-2007)
Lobaria linita (ALA, BLMMD, OSC, RR, SRP, SRP-L, UAAH, UBC, WTU; 528; 1800-2019)
Lobaria oregana (ALA, OSC, SRP-L, UBC, WTU; 236; 1913-2015)
Lobaria pseudopulmonaria (ALA; 8; 2003-2009)
Lobaria pulmonaria (ALA, OSC, SRP-L, UBC, WTU; 156; 1800-2015)
Lobaria retigera (ALA, WTU; 16; 1936-2009)
Lobaria scrobiculata (ALA, OSC, SRP-L, UBC, WTU; 214; 1800-2013)
Lobothallia alphoplaca (ALA; 2; 1979)
Lopadium coralloideum (ALA, RR; 28; 1972-2007)
Lopadium disciforme (ALA; 5; 1994-2005)
Lopadium pezizoideum (ALA, RR, SRP-L; 71; 1957-2014)
Lopezaria versicolor (ALA; 1; 1974)
Loxosporopsis corallifera (ALA, OSC, SRP-L; 27; 1956-2015)
Masonhalea richardsonii (ALA, HPSU, NY, RR, SRP, SRP-L, UBC, WTU; 346; 1800-2011)
Masontralea richardsonii (UBC; 1; 1984)
Massalongia carnosa (ALA, RR, SRP, SRP-L; 32; 1800-2015)
Megaspora verrucosa (ALA, RR; 44; 1967-2012)
Melanelia agnata (ALA, WTU; 28; 1800-2007)
Melanelia commixta (ALA, NY, RR, UBC, WTU; 24; 1800-2011)
Melanelia disjuncta (ALA, RR; 31; 1800-2011)
Melanelia hepatizon (ALA, RR, SRP-L, UBC, WTU; 99; 1800-2015)
Melanelia panniformis (ALA, NY; 50; 1800-2015)
Melanelia septentrionalis (ALA, UBC; 6; 1800-1998)
Melanelia sorediata (ALA; 17; 1800-2008)
Melanelia stygia (ALA, SRP; 78; 1800-2015)
Melanelia tominii (ALA; 5; 1800-1976)
Melanelia trabeculata (ALA; 6; 2007)
Melanelixia albertana (ALA; 4; 1999-2001)
Melanelixia subaurifera (ALA; 1; 1800)
Melanohalea elegantula (ALA; 4; 1992-1997)
Melanohalea exasperatula (ALA, OSC; 26; 1800-2012)
Melanohalea infumata (ALA; 7; 1800-1997)
Melanohalea multispora (ALA, OSC, SRP-L; 14; 1992-2015)
Melanohalea olivacea (ALA, OSC, WTU; 20; 1800-2013)
Melanohalea septentrionalis (ALA, OSC, SRP-L; 43; 1800-2014)
Melanohalea subelegantula (RR; 1; 2011)
Melanohalea subolivacea (ALA, OSC; 2; 2006-2013)
Melanohalea trabeculata (ALA, OSC; 19; 1800-2013)
Menegazzia terebrata (ALA, WTU; 8; 1951-2003)
Micarea assimilata (ALA, SRP-L; 6; 1974-1991)
Micarea incrassata (ALA, SRP, SRP-L; 13; 1978-2014)
Micarea ternaria (ALA; 1; 2002)
Miriquidica leucophaea (ALA; 1; 1978)
Miriquidica pycnocarpa (ALA; 1; 1978)
Mycobilimbia berengeriana (RR; 1; 2004)
Mycobilimbia carneoalbida (ALA, RR, SRP-L; 7; 1978-2014)
Mycobilimbia hypnorum (ALA, RR; 4; 1973-2004)
Mycobilimbia lobulata (ALA; 1; 1969)
Mycobilimbia lurida (ALA; 4; 1992)
Mycobilimbia pilularis (ALA; 17; 1956-2012)
Mycobilimbia tetramera (SRP-L, WTU; 4; 1953-2015)
Mycoblastus affinis (ALA, OSC, SRP-L, WTU; 17; 1913-2015)
Mycoblastus alpinus (ALA, V, WTU; 6; 1948-1975)
Mycoblastus caesius (ALA; 1; 2001)
Mycoblastus sanguinarius (ALA, WTU; 29; 1913-2012)
Nephroma arcticum (ALA, BBLM, NY, OSC, RR, SRP, SRP-L, UBC, WTU; 89; 1800-2016)
Nephroma bellum (ALA, OSC, SRP-L, UBC, WTU; 225; 1800-2015)
Nephroma expallidum (ALA, RR, SRP-L, UAAH, UBC, WTU; 162; 1800-2019)
Nephroma helveticum (ALA, OSC, SRP, SRP-L, UBC; 140; 1800-2015)
Nephroma isidiosum (ALA, OSC, RR, SRP-L, UBC; 50; 1800-2015)
Nephroma laevigatum (ALA, OSC, WTU; 12; 1905-2007)
Nephroma occultum (ALA, OSC; 8; 1993-2012)
Nephroma parile (ALA, OSC, SRP-L, UBC, WTU; 143; 1800-2015)
Nephroma resupinatum (ALA, OSC, UBC, WTU; 63; 1800-2014)
Niebla cephalota (ALA; 3; 2001)
Nodobryoria oregana (OSC; 1; 2004)
Nodobryoria subdivergens (ALA; 2; 1970)
Normandina pulchella (ALA, SRP; 7; 1989-2014)
Ochrolechia androgyna (ALA; 22; 1976-1993)
Ochrolechia arborea (ALA; 1; 1990)
Ochrolechia frigida (ALA, OSC, RR, SRP, SRP-L, UAAH, UBC, WTU; 183; 1940-2015)
f. thelephoroides (WTU; 1; 1975)
Ochrolechia grimmiae (ALA; 9; 1968-1993)
Ochrolechia inaequatula (ALA, UBC, WTU; 4; 1958-1976)
Ochrolechia juvenalis (ALA; 2; 1989-1990)
Ochrolechia laevigata (ALA, UBC; 15; 1967-1992)
Ochrolechia oregonensis (ALA, SRP, SRP-L, UBC, WTU; 24; 1939-2015)
Ochrolechia pallescens (ALA, WTU; 13; 1948-1992)
Ochrolechia parella (ALA, WTU; 6; 1963-1993)
Ochrolechia rhodoleuca (WTU; 1; 1955)
Ochrolechia subpallescens (ALA; 7; 1981-1992)
Ochrolechia subplicans (ALA, WTU; 38; 1947-1998)
ssp. hultenii (ALA, WTU; 15; 1947-1965)
Ochrolechia tartarea (ALA, OSC, UBC, WTU; 35; 1913-2006)
Ochrolechia trochophora (ALA; 4; 2012)
Ochrolechia upsaliensis (ALA, SRP, WTU; 38; 1800-2012)
Ochrolechia xanthostoma (ALA, RR; 2; 1948-1991)
Opegrapha herbarum (ALA; 1; 2000)
Opegrapha rupestris (WTU; 1; 1913)
Opegrapha varia (ALA; 1; 1999)
Opegrapha zonata (ALA; 1; 1999)
Ophioparma lapponica (ALA, NY, RR, WTU; 68; 1932-2012)
Ophioparma ventosa (ALA; 5; 1973-2013)
Orphniospora moriopsis (ALA; 29; 1800-1993)
Pannaria conoplea (ALA; 5; 1800-2007)
Pannaria lacesatula (UBC; 1; 1965)
Pannaria rubiginella (ALA, WTU; 3; 1913-2003)
Pannaria rubiginosa (WTU; 1; 1951)
Parmelia fraudans (ALA, UBC, WTU; 23; 1800-2007)
Parmelia hygrophila (ALA, OSC, WTU; 135; 1800-2009)
Parmelia omphalodes (ALA, SRP-L, UAAH, UBC, V, WTU; 216; 1800-2018)
Parmelia pseudosulcata (ALA, OSC, SRP, SRP-L; 87; 1989-2015)
Parmelia saxatilis (ALA, NY, OSC, RR, SRP-L, UAAH, UBC, V, WTU; 324; 1800-2019)
Parmelia skultii (ALA; 9; 1800-2001)
Parmelia squarrosa (ALA, OSC, RR, SRP-L, UBC, WTU; 86; 1800-2015)
Parmelia subhygricola (UBC; 2; 1982)
Parmelia sulcata (ALA, OSC, RR, UBC, WTU; 366; 1800-2015)
Parmeliella corallinoides (WTU; 4; 1913)
Parmeliella parvula (ALA; 6; 2002-2003)
Parmeliella triptophylla (ALA, SRP-L; 23; 1800-2015)
Parmeliopsis ambigua (ALA, OSC, RR; 84; 1800-2013)
Parmeliopsis hyperopta (ALA, OSC, SRP-L, UBC, WTU; 224; 1800-2015)
Parmotrema arnoldii (ALA; 14; 1990-2003)
Parmotrema crinitum (ALA; 3; 2001-2003)
Parmotrema hypotropum (OSC; 1; 2005)
Parmotrema perforatum (WTU; 1; 1913)
Peltigera aphthosa (ALA, NY, OSC, RR, SRP, SRP-L, UAAH, UBC, WTU; 340; 1800-2019)
Peltigera britannica (ALA, OSC, SRP, SRP-L, UBC, WTU; 205; 1800-2015)
Peltigera canina (ALA, OSC, SRP-L, UAAH, UBC, WTU; 231; 1800-2019)
Peltigera chionophila (ALA; 6; 1982-1991)
Peltigera chronophora (UBC; 1; 1968)
Peltigera cinnamomea (ALA; 8; 2001-2008)
Peltigera cinnamonea (UBC; 1; 2001)
Peltigera collina (ALA, OSC, SRP-L, UBC, V, WTU; 154; 1800-2015)
Peltigera degenii (ALA; 9; 1989-2009)
Peltigera didactyla (ALA, UAAH, WTU; 90; 1800-2015)
Peltigera elisabethae (ALA, OSC, WTU; 63; 1800-2014)
Peltigera evansiana (ALA; 4; 1960-2009)
Peltigera extenuata (ALA, WTU; 11; 1800-2015)
Peltigera horizontalis (ALA, UBC, WTU; 28; 1800-2008)
Peltigera hymenina (ALA; 3; 1993-2011)
Peltigera kristinssonii (ALA, WTU; 51; 1800-2015)
Peltigera latiloba (WTU; 1; 1951)
Peltigera lepidophora (ALA, RR, WTU; 33; 1800-2015)
Peltigera leucophlebia (ALA, OSC, UAAH, UBC, WTU; 235; 1800-2019)
Peltigera malacea (ALA, RR, SRP, UAAH, UBC, WTU; 157; 1800-2019)
Peltigera membranacea (ALA, OSC, RR, SRP, UAAH, UBC, WTU; 225; 1800-2019)
Peltigera neckeri (ALA, UBC, WTU; 29; 1800-2015)
Peltigera neopolydactyla (ALA, OSC, UBC, WTU; 261; 1800-2015)
Peltigera pacifica (ALA, OSC, WTU; 19; 1955-2013)
Peltigera polydactylon (ALA, OSC, UBC, V, WTU; 205; 1800-2013)
Peltigera ponojensis (ALA, UBC, WTU; 15; 1800-2015)
Peltigera praetextata (ALA, UBC, WTU; 64; 1800-2013)
Peltigera retifoveata (ALA; 22; 1800-2016)
Peltigera rufescens (ALA, RR, SRP, UAAH, UBC, WTU; 226; 1800-2019)
Peltigera scabrosa (ALA, OSC, RR, UBC, WTU; 275; 1800-2015)
Peltigera venosa (ALA, MORA, RR, UBC, WTU; 45; 1951-2015)
Pertusaria alaskensis (ALA, WTU; 3; 1965-2000)
Pertusaria amara (ALA; 7; 1992-2003)
Pertusaria borealis (ALA, RR, SRP-L; 9; 1990-2015)
Pertusaria bryontha (ALA, SRP-L; 20; 1970-2014)
Pertusaria carneopallida (ALA, OSC; 21; 1967-2007)
Pertusaria communis (WTU; 1; 1932)
Pertusaria coriacea (ALA, SRP-L, UBC, WTU; 7; 1958-2014)
Pertusaria dactylina (ALA, NY, OSC, RR, WTU; 84; 1800-2016)
Pertusaria excludens (ALA; 2; 1967)
Pertusaria geminipara (ALA, RR, SRP, WTU; 12; 1992-2014)
Pertusaria globularis (WTU; 1; 1940)
Pertusaria glomerata (WTU; 1; 1932)
Pertusaria hymenea (WTU; 2; 1945)
Pertusaria multipuncta (WTU; 8; 1913-1951)
Pertusaria multipunctoides (ALA; 1; 1999)
Pertusaria octomela (ALA; 18; 1970-1993)
Pertusaria oculata (ALA, SRP; 27; 1969-2014)
Pertusaria ophthalmiza (ALA, RR, WTU; 14; 1913-2012)
Pertusaria panyrga (ALA, RR, SRP-L; 31; 1971-2014)
Pertusaria pertusa (WTU; 5; 1950-1955)
Pertusaria pocillaria (WTU; 9; 1913-1957)
Pertusaria pocillum (WTU; 1; 1956)
Pertusaria rhodocarpa (WTU; 2; 1955-1956)
Pertusaria sommerfeltii (ALA, SRP-L; 17; 1967-2014)
Pertusaria subambigens (ALA, SRP-L; 11; 1990-2015)
Pertusaria subdactylina (ALA, RR; 11; 1992-2004)
Pertusaria subobducens (ALA, SRP-L; 43; 1958-2014)
Pertusaria suboculata (ALA; 1; 1989)
Pertusaria sulcata (WTU; 1; 1955)
Pertusaria trachythallina (ALA; 2; 1967)
Pertusaria trochiscea (SRP-L; 1; 2014)
Pertusaria velata (WTU; 3; 1948)
Phaeophyscia ciliata (ALA; 4; 1800-2004)
Phaeophyscia constipata (ALA; 23; 1800-2011)
Phaeophyscia decolor (ALA; 5; 1800-2001)
Phaeophyscia endococcina (ALA, WTU; 12; 1800-2003)
Phaeophyscia hirsuta (ALA, RR; 5; 2011-2012)
Phaeophyscia hirtella (ALA, RR; 2; 1991-2011)
Phaeophyscia hispidula (ALA; 4; 1965-1967)
Phaeophyscia kairamoi (ALA; 7; 1800-2013)
Phaeophyscia orbicularis (ALA; 7; 1800-2001)
Phaeophyscia sciastra (ALA, WTU; 36; 1800-2009)
Phaeorrhiza nimbosa (ALA, SRP-L; 12; 1970-2015)
Phaeorrhiza sareptana (ALA; 3; 2012)
Phylliscum demangeonii (SRP-L, WTU; 4; 1965-2015)
Phylliscum tenue (ALA; 1; 1967)
Physcia adscendens (ALA, OSC; 11; 1800-2009)
Physcia aipolia (ALA, OSC, UBC, WTU; 66; 1800-2009)
Physcia caesia (ALA, NY, OSC, SRP, SRP-L, WTU; 89; 1800-2015)
Physcia dubia (ALA, WTU; 26; 1800-1997)
Physcia phaea (ALA; 7; 1800-2001)
Physcia stellaris (ALA, RR; 3; 1970-2011)
Physcia tenella (ALA, RR; 11; 1989-2011)
Physciella chloantha (ALA; 3; 2001-2003)
Physconia americana (ALA; 2; 1991-2006)
Physconia detersa (ALA; 18; 1800-2013)
Physconia isidiigera (ALA; 3; 1994-2002)
Physconia muscigena (ALA, WTU; 91; 1800-2016)
Physconia perisidiosa (ALA, SRP-L, UBC; 7; 1981-2014)
Pilophorus acicularis (ALA, SRP-L, UBC, WTU; 40; 1939-2015)
Pilophorus cereolus (ALA, WTU; 16; 1800-1981)
Pilophorus clavatus (ALA, SRP-L, UBC, WTU; 19; 1967-2015)
Pilophorus dovrensis (ALA; 3; 1980-1992)
Pilophorus nigricaulis (ALA, RR, SRP-L, UBC; 25; 1957-2015)
Pilophorus robustus (ALA, UBC, WTU; 28; 1800-2005)
Pilophorus vegae (ALA; 8; 1998)
Placidiopsis pseudocinerea (ALA; 4; 1974-1975)
Placidium lachneum (ALA, SRP-L; 5; 1985-2014)
Placidium pilosellum (SRP; 2; 2014)
Placidium squamulosum (ALA; 4; 1992-1993)
Placopsis cribellans (ALA, RR, WTU; 4; 1948-2004)
Placopsis gelida (ALA, RR, SRP, UBC, WTU; 45; 1913-2014)
Placopsis lambii (SRP-L; 1; 2015)
Placynthiella icmalea (ALA, RR, SRP-L; 8; 1800-2015)
Placynthiella oligotropha (ALA, RR, SRP-L; 4; 1992-2014)
Placynthiella uliginosa (ALA, RR, SRP-L; 6; 1800-2014)
Placynthium asperellum (ALA, SRP-L; 9; 1960-2014)
Placynthium flabellosum (ALA, SRP-L; 5; 1992-2014)
Placynthium nigrum (ALA, RR, WTU; 44; 1956-2004)
Placynthium stenophyllum (ALA; 1; 1800)
Placynthium subradiatum (ALA; 7; 1992-2005)
Placynthium tantaleum (ALA; 1; 1980)
Platismatia glauca (ALA, OSC, UBC, WTU; 421; 1800-2013)
Platismatia herrei (ALA, OSC, WTU; 136; 1913-2012)
Platismatia lacunosa (ALA, OSC, RR, SRP-L, UBC, V, WTU; 192; 1905-2015)
Platismatia norvegica (ALA, OSC, RR, SRP, SRP-L, UBC, WTU; 256; 1913-2015)
Platismatia tuckermanii (WTU; 2; 1948-1955)
Pleopsidium chlorophanum (ALA; 1; 1992)
Polyblastia bryophila (ALA; 1; 1967)
Polyblastia cucurbitula (ALA, NY; 2; 1899-1978)
Polyblastia cupularis (ALA; 1; 1960)
Polyblastia hyperborea (ALA; 10; 1978-1984)
Polyblastia sendtneri (ALA; 4; 1971-1978)
Polyblastia terrestris (ALA; 4; 1980-2002)
Polyblastia theleodes (ALA, WTU; 9; 1951-1984)
Polycauliona candelaria (ALA, OSC, UBC, WTU; 75; 1800-2012)
Polycauliona polycarpa (ALA, WTU; 5; 1951-2012)
Polychidium contortum (ALA, OSC, SRP-L; 45; 1994-2015)
Polychidium muscicola (ALA, RR, SRP-L, UBC, WTU; 18; 1800-2015)
Polysporina lapponica (ALA; 2; 1992-1996)
Porina chlorotica (WTU; 6; 1951-1953)
Porocyphus coccodes (WTU; 1; 1947)
Porpidia albocaerulescens (WTU; 14; 1913-1956)
Porpidia contraponenda (ALA; 2; 1994)
Porpidia crustulata (ALA; 2; 1992-1993)
Porpidia flavocaerulescens (ALA, NY, RR, WTU; 34; 1932-2002)
Porpidia lowiana (ALA; 3; 1992-1994)
Porpidia macrocarpa (ALA, WTU; 17; 1913-1993)
Porpidia melinodes (ALA; 8; 1980-1993)
Porpidia speirea (ALA, WTU; 6; 1955-1994)
Porpidia superba (ALA; 2; 1992)
Porpidia thomsonii (ALA, SRP, SRP-L, UBC; 11; 1968-2015)
Porpidia tuberculosa (ALA; 1; 2002)
Protoblastenia calva (ALA; 8; 1981-1993)
Protoblastenia incrustans (ALA; 3; 1978-1992)
Protoblastenia rupestris (ALA, RR, WTU; 20; 1800-2012)
Protoblastenia terricola (ALA; 4; 1992-1994)
Protomicarea limosa (ALA, WTU; 7; 1958-1997)
Protopannaria pezizoides (ALA, UBC, WTU; 115; 1800-2012)
Protoparmelia badia (ALA; 20; 1800-2012)
Pseudephebe minuscula (ALA, RR, UAAH; 49; 1800-2018)
Pseudephebe pubescens (ALA, SRP-L, UAAH, UBC, WTU; 76; 1800-2018)
Pseudocyphellaria anomala (ALA, OSC, SRP-L, UBC, WTU; 45; 1800-2015)
Pseudocyphellaria anthraspis (ALA, WTU; 3; 1926-2003)
Pseudocyphellaria crocata (ALA, OSC, UBC, WTU; 45; 1800-2013)
Pseudocyphellaria hawaiiensis (OSC; 8; 2004-2009)
Pseudocyphellaria mallota (ALA; 1; 2005)
Pseudocyphellaria perpetua (ALA, SRP-L; 4; 1800-2015)
Pseudocyphellaria rainierensis (ALA, SRP; 11; 1992-2006)
Psilolechia lucida (ALA; 1; 1999)
Psora crenata (WTU; 1; 1913)
Psora decipiens (ALA, RR; 43; 1800-2004)
Psora globifera (ALA, SRP; 4; 1975-2014)
Psora himalayana (ALA, RR, SRP; 22; 1800-2004)
Psora nipponica (ALA; 3; 1973-2013)
Psora rubiformis (ALA, RR, SRP-L, UBC; 18; 1800-2014)
Psora tuckermanii (ALA; 2; 1800-1996)
Psoroma hypnorum (ALA, OSC, RR, SRP-L, UBC, WTU; 150; 1800-2015)
Psoroma tenue (ALA; 2; 1800-2013)
Psorula rufonigra (ALA, WTU; 9; 1800-1982)
Pycnothelia papillaria (RR; 2; 2011)
Pyrrhospora cinnabarina (ALA; 2; 1994)
Ramalina almquistii (ALA, WTU; 26; 1932-2007)
Ramalina dilacerata (ALA, OSC, UBC; 52; 1800-2013)
Ramalina farinacea (ALA, OSC, SRP-L, WTU; 79; 1800-2015)
Ramalina inflata (SRP; 1; 1992)
Ramalina intermedia (ALA, SRP-L; 3; 2001-2014)
Ramalina menziesii (ALA, OSC, WTU; 3; 1957-1981)
Ramalina obtusata (ALA, OSC; 16; 1800-2013)
Ramalina pollinaria (ALA; 2; 2001)
Ramalina roesleri (ALA, OSC, SRP, SRP-L, UBC, WTU; 97; 1800-2015)
Ramalina scoparia (ALA, SRP-L, WTU; 26; 1957-2001)
Ramalina subfarinacea (UBC; 2; 1956)
Ramalina thrausta (ALA, OSC; 18; 1800-2009)
Rhizocarpon alpicola (ALA, WTU; 9; 1800-1993)
Rhizocarpon atroflavescens (ALA; 2; 1960-1980)
Rhizocarpon badioatrum (ALA, WTU; 10; 1951-1992)
Rhizocarpon chioneum (ALA; 29; 1959-2012)
Rhizocarpon copelandii (ALA; 12; 1978-1993)
Rhizocarpon disporum (ALA, WTU; 16; 1952-1981)
Rhizocarpon eupetraeoides (ALA, UBC, WTU; 24; 1949-2000)
Rhizocarpon eupetraeum (ALA; 2; 1993-2001)
Rhizocarpon ferax (ALA; 7; 1992-1994)
Rhizocarpon geminatum (ALA; 2; 1973)
Rhizocarpon geographicum (ALA, NY; 59; 1800-2005)
Rhizocarpon grande (ALA, WTU; 14; 1800-1993)
Rhizocarpon hensseniae (SRP-L; 1; 2015)
Rhizocarpon hochstetteri (ALA, WTU; 3; 1951-1992)
Rhizocarpon inarense (ALA; 5; 1959-2001)
Rhizocarpon infernulum (ALA; 2; 1973-1978)
Rhizocarpon intermediellum (ALA; 5; 1800-1969)
Rhizocarpon jemtlandicum (ALA; 5; 1993-1999)
Rhizocarpon lecanorinum (ALA, WTU; 6; 1948-1993)
Rhizocarpon macrosporum (ALA; 1; 1971)
Rhizocarpon massalongi (WTU; 2; 1948)
f. colludens (WTU; 1; 1948)
Rhizocarpon obscuratum (ALA; 2; 1979-1992)
Rhizocarpon petraeum (WTU; 1; 1951)
Rhizocarpon polycarpum (ALA; 3; 1976-1980)
Rhizocarpon riparium (ALA; 2; 1968)
Rhizocarpon rittokense (ALA; 1; 1978)
Rhizocarpon rubescens (ALA; 3; 1980-2002)
Rhizocarpon saanaense (ALA; 7; 1992-1993)
Rhizocarpon superficiale (ALA; 9; 1973-2012)
Rhizocarpon umbilicatum (ALA; 5; 1978-1993)
Rhizoplaca chrysoleuca (ALA, WTU; 31; 1800-1997)
Rhizoplaca melanophthalma (ALA, WTU; 5; 1800-1997)
Rimularia gibbosa (ALA; 2; 1980)
Rimularia gyrizans (ALA; 2; 1980)
Rimularia insularis (ALA; 2; 1960)
Rinodina archaea (ALA; 1; 1993)
Rinodina bischoffii (ALA; 3; 1992-2002)
Rinodina capensis (ALA; 2; 1963)
Rinodina conradii (SRP-L; 1; 2014)
Rinodina exigua (ALA; 6; 1966-1970)
Rinodina flavosoralifera (WTU; 1; 1991)
Rinodina gennarii (WTU; 1; 1965)
Rinodina hyperborea (ALA; 4; 1992-1993)
Rinodina lecideoides (ALA; 2; 1966)
Rinodina milvina (ALA; 2; 1970-1992)
Rinodina mniaraea (ALA, RR, UBC, WTU; 8; 1956-2004)
Rinodina olivaceobrunnea (SRP-L; 2; 2014)
Rinodina roscida (ALA; 21; 1971-1993)
Rinodina septentrionalis (ALA; 5; 1992-2002)
Rinodina sheardii (NY, UBC, WTU; 3; 1999)
Rinodina turfacea (ALA; 20; 1970-2012)
Ropalospora lugubris (ALA, WTU; 12; 1951-2012)
Rusavskia elegans (ALA, NY, UAAH, UBC, WTU; 70; 1800-2018)
Rusavskia sorediata (ALA, RR; 10; 1800-2004)
Sagiolechia protuberans (ALA; 3; 1975-1992)
Sagiolechia rhexoblephara (MCC; 1; 2011)
Sarcogyne regularis (ALA; 3; 1980)
Sarcosagium campestre (RR; 1; 2004)
Schadonia fecunda (ALA; 3; 1972)
Schaereria cinereorufa (ALA; 1; 2006)
Schaereria endocyanea (ALA; 2; 1960)
Schaereria fuscocinerea (ALA; 1; 1980)
Scutula stereocaulorum (ALA; 2; 1993)
Scytinium intermedium (SRP-L; 2; 2014)
Siphula ceratites (ALA, RR, SRP, UBC, WTU; 96; 1939-2013)
Solorina bispora (ALA, RR, UBC, WTU; 69; 1800-2015)
Solorina crocea (ALA, NY, RR, SRP, SRP-L, UBC, WTU; 142; 1800-2015)
Solorina octospora (ALA; 10; 1957-1977)
Solorina saccata (ALA, RR, WTU; 55; 1800-2015)
Solorina spongiosa (ALA; 23; 1961-2015)
Sphaerophorus fragilis (ALA, RR, SRP, SRP-L, UAAH, UBC, WTU; 95; 1800-2019)
Sphaerophorus globosus (ALA, OSC, RR, SRP-L, UAAH, UBC, V, WTU; 295; 1800-2018)
var. gracilis (ALA, OSC, SRP-L, V, WTU; 49; 1990-2015)
Sphaerophorus melanocarpus (UBC; 3; 1968)
Spilonema revertens (ALA, SRP-L; 11; 1800-2015)
Spilonemella americana (WTU; 1; 1991)
Sporastatia polyspora (ALA, SRP-L; 2; 1800-2014)
Sporastatia testudinea (ALA; 3; 1975-1976)
Squamarina lentigera (ALA, WTU; 8; 1958-1981)
Staurothele discedens (ALA; 6; 1973-1979)
Staurothele drummondii (ALA; 2; 1980)
Stereocaulon alpinum (ALA, UAAH, UBC, WTU; 125; 1800-2018)
Stereocaulon apocalypticum (ALA; 28; 1800-2007)
Stereocaulon arcticum (ALA; 1; 1993)
Stereocaulon arenarium (ALA; 12; 1800-2006)
Stereocaulon botryosum (ALA, WTU; 33; 1800-2007)
Stereocaulon condensatum (ALA, SRP, SRP-L; 13; 1992-2014)
Stereocaulon coniophyllum (ALA; 2; 2007)
Stereocaulon dactylophyllum (ALA, WTU; 4; 1800-1965)
Stereocaulon glareosum (ALA, UBC, WTU; 50; 1800-2015)
Stereocaulon grande (ALA, WTU; 49; 1800-2010)
Stereocaulon groenlandicum (ALA; 10; 1961-2007)
Stereocaulon incrustatum (ALA; 3; 1964-1967)
Stereocaulon intermedium (ALA, WTU; 10; 1800-1981)
Stereocaulon octomerum (ALA; 1; 1994)
Stereocaulon paschale (ALA, RR, SRP, UAAH, UBC, WTU; 240; 1800-2019)
Stereocaulon rivulorum (ALA, RR, WTU; 61; 1800-2011)
Stereocaulon sasakii (ALA, NY; 9; 1800-2002)
Stereocaulon saviczii (ALA, SRP-L; 9; 1991-2015)
Stereocaulon saxatile (ALA; 9; 1960-1996)
Stereocaulon spathuliferum (ALA; 7; 1992-1994)
Stereocaulon sterile (ALA; 2; 1993)
Stereocaulon subcoralloides (ALA, SRP-L, WTU; 29; 1951-2014)
Stereocaulon symphycheilum (ALA; 25; 1991-2007)
Stereocaulon tomentosum (ALA, UBC, WTU; 144; 1800-2015)
Stereocaulon vesuvianum (ALA, WTU; 37; 1913-2015)
Sticta arctica (ALA, UAAH, UBC, WTU; 26; 1800-2018)
Sticta fuliginosa (ALA, OSC, SRP-L, UBC, WTU; 48; 1940-2015)
Sticta limbata (ALA, OSC; 4; 1800-2013)
Sticta wrightii (ALA; 1; 1800)
Synalissa symphorea (SRP-L; 1; 2014)
Tephromela atra (ALA, WTU; 19; 1953-1993)
Thamnolia subuliformis (ALA, NY, RR, SRP, SRP-L, UBC, WTU; 183; 1800-2015)
Thamnolia vermicularis (ALA, OSC, SRP, UAAH, UBC, WTU; 249; 1800-2018)
Thelidium areolatum (WTU; 1; 1945)
Thelidium papulare (ALA; 2; 1973)
Thelidium scotodes (WTU; 2; ?)
Thelomma occidentale (ALA; 2; 1959)
Thelopsis melathelia (ALA; 1; 2012)
Thelotrema lepadinum (UBC, WTU; 7; 1913-1968)
Thermutis velutina (ALA; 1; 2012)
Thrombium epigaeum (ALA, RR; 5; 2004-2012)
Toninia arctica (ALA; 6; 1992-1993)
Toninia aromatica (RR; 1; 2004)
Toninia ruginosa (ALA; 4; 1977-1993)
Toninia sedifolia (ALA, SRP-L; 15; 1970-2014)
Toninia synocomista (WTU; 1; ?)
Toninia tristis (ALA; 3; 1981-1992)
Trapelia coarctata (WTU; 1; 1981)
Trapeliopsis flexuosa (SRP-L; 1; 2014)
Trapeliopsis granulosa (RR, SRP-L, WTU; 3; 1951-2015)
Trapeliopsis viridescens (ALA; 6; 2012)
Trapeliopsis wallrothii (WTU; 4; 1951-1958)
Tremolecia atrata (ALA, WTU; 14; 1958-1993)
Tuckermannopsis americana (ALA; 10; 1800-2013)
Tuckermannopsis chlorophylla (ALA, OSC, SRP-L, UBC, WTU; 170; 1800-2015)
Tuckermannopsis ciliaris (ALA; 1; 1976)
Tuckermannopsis inermis (ALA, WTU; 10; 1800-2007)
Tuckermannopsis orbata (ALA, OSC, UBC; 5; 1800-2007)
Tuckermannopsis platyphylla (ALA, RR; 2; 2009-2011)
Tuckermannopsis sepincola (ALA, OSC, RR, SRP-L, WTU; 65; 1800-2014)
Tuckermannopsis subalpina (ALA, OSC; 6; 1800-2007)
Umbilicaria americana (ALA; 1; 2013)
Umbilicaria angulata (ALA, SRP-L, WTU; 16; 1800-2015)
Umbilicaria arctica (ALA; 44; 1800-2015)
Umbilicaria caroliniana (ALA, WTU; 51; 1800-2009)
Umbilicaria cinereorufescens (ALA, SRP-L, UAAH, WTU; 27; 1800-2018)
Umbilicaria cylindrica (ALA, WTU; 44; 1800-2015)
Umbilicaria deusta (ALA, WTU; 30; 1800-2012)
Umbilicaria havaasii (ALA, UBC; 6; 2002)
Umbilicaria hyperborea (ALA, RR, SRP-L, UBC, WTU; 141; 1800-2015)
Umbilicaria krascheninnikovii (ALA, WTU; 5; 1800-2009)
Umbilicaria lyngei (ALA; 1; 1800)
Umbilicaria muehlenbergii (ALA, WTU; 3; 1948-1976)
Umbilicaria nylanderiana (ALA; 2; 1975)
Umbilicaria phaea (ALA; 3; 2002-2006)
Umbilicaria polyphylla (ALA, WTU; 6; 1948-2015)
Umbilicaria polyrhiza (SRP-L; 1; 2003)
Umbilicaria proboscidea (ALA, NY, UAAH, UBC, WTU; 202; 1800-2018)
Umbilicaria rigida (ALA; 18; 1953-2015)
Umbilicaria torrefacta (ALA, RR, WTU; 73; 1800-2015)
Umbilicaria vellea (ALA; 13; 1800-2007)
Umbilicaria virginis (ALA, RR; 17; 1800-2011)
Usnea ceratina (WTU; 2; 1947-1949)
Usnea cornuta (OSC; 7; 2005-2008)
Usnea filipendula (ALA, OSC, WTU; 24; 1913-2007)
Usnea fragilescens (WTU; 1; 1913)
var. mollis (WTU; 1; 1913)
Usnea glabrata (WTU; 1; 1953)
Usnea glabrescens (ALA; 4; 1965-1966)
Usnea hirta (ALA; 2; 2001)
Usnea lapponica (ALA, OSC, UBC, WTU; 35; 1800-2014)
Usnea longissima (ALA, OSC, SRP-L, WTU; 43; 1800-2015)
Usnea scabrata (ALA, SRP-L; 7; 1800-2015)
Usnea subfloridana (ALA; 9; 1800-2001)
Usnea subfusca (ALA; 2; 1966)
Usnea substerilis (ALA; 13; 1800-2001)
Usnea trichodea (ALA; 1; 1953)
Varicellaria rhodocarpa (ALA, RR; 5; 1992-2004)
Verrucaria aethiobola (ALA, WTU; 2; 1958)
Verrucaria arctica (ALA; 1; 1978)
Verrucaria devergens (ALA; 8; 1960-1981)
Verrucaria deversa (ALA; 1; 1978)
Verrucaria erichsenii (ALA; 6; 1959-1960)
Verrucaria funckii (ALA; 1; 1967)
Verrucaria margacea (ALA, WTU; 2; 1948-1976)
Verrucaria maura (WTU; 21; 1913-1965)
Verrucaria mucosa (WTU; 2; 1955)
Verrucaria muralis (ALA; 1; 2012)
Verrucaria nigrescens (ALA; 2; 1995)
Verrucaria rupestris (ALA; 1; 1981)
Vestergrenopsis elaeina (UBC, WTU; 3; 1963)
Vestergrenopsis isidiata (ALA, SRP-L; 3; 1992-2015)
Vezdaea retigera (RR; 1; 2011)
Vulpicida pinastri (ALA, NY, OSC, RR, UAAH, WTU; 59; 1800-2018)
Vulpicida tilesii (ALA, OSC, RR, SRP, UAAH, UBC, WTU; 87; 1800-2019)
Xanthomendoza borealis (ALA; 1; 2004)
Xanthomendoza fallax (ALA, WTU; 6; 1955-1980)
Xanthomendoza fulva (SRP-L; 1; 2015)
Xanthomendoza ulophyllodes (ALA; 2; 1993)
Xanthoparmelia coloradoensis (ALA, UAAH, WTU; 8; 1800-2018)
Xanthoparmelia stenophylla (WTU; 1; 1960)
Xanthoparmelia taractica (WTU; 1; 1960)
Xanthopsorella texana (ALA; 1; 1974)
Xanthoria polycarpa (UBC; 2; 1956)
var. finmarkica (UBC; 2; 1956)
Xylographa opegraphella (ALA, WTU; 4; 1913-1975)
Xylographa vitiligo (ALA; 1; 2003)