Checklist of lichens of Maine (USA)
Version 31 December 2018
- Ahtiana aurescens (Tuck.) A. Thell & Randlane - Degelius (1940), Hinds & Hinds (1998: 349)
- Alectoria ochroleuca (Hoffm.) A. Massal. - Eckfeldt (1894), Hinds & Hinds (1998: 349)
- Alectoria sarmentosa (Ach.) Ach. - Howe (1911a), Brodo & Hawksworth (1977), Hinds & Hinds (1998: 349)
- Allocetraria oakesiana (Tuck.) Randlane & A. Thell - Eckfeldt (1894), Hale (1956), Hinds & Hinds (1998: 349)
- Anaptychia crinalis (Schaer.) Vezda - Hinds & Hinds (1998: 349 erroneously as Anaptychia setifera)
- Anaptychia palmulata (Michx.) Vain. - Degelius (1940), Hinds & Hinds (1998: 349)
- Anzia colpodes (Ach.) Stizenb. - Harvey & Eckfeldt (1894), Hale (1955a), Hinds & Hinds (1998: 349)
- Arctoparmelia centrifuga (L.) Hale - Tuckerman (1882), Hinds & Hinds (1998: 349)
- Arctoparmelia incurva (Pers.) Hale - Tuckerman (1882), Hinds & Hinds (1998: 349)
- Baeomyces carneus Flörke - Thomson (1967: ), Hinds & Hinds (1998: 349)
- Baeomyces rufus (Hudson) Rebent. - Eckfeldt (1894), Thomson (1967), Hinds & Hinds (1998: 349)
- Biatora anthracophila (Nyl.) Hafellner - Sullivan (1996), Hinds & Hinds (1998: 349)
- Bryocaulon divergens (Ach.) Kärnefelt - Degelius (1940: ), Hinds & Hinds (1998: 349)
- Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977), Hinds & Hinds (1998: 349)
- Bryoria friabilis Brodo & D. Hawksw. - Brodo & Hawksworth (1977), Hinds & Hinds (1998: 349)
- Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Harvey & Eckfeldt (1894), Brodo & Hawksworth (1977), Hinds & Hinds (1998: 349)
- Bryoria fuscescens (Gyelnik) Brodo & D. Hawksw. - Brodo & Hawksworth (1977), Hinds & Hinds (1998: 349)
- Bryoria implexa (Hoffm.) Brodo & D. Hawksw. - Merrill (xx), Brodo & Hawksworth (1977: xx), Hinds & Hinds (1998: 349)
- Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977: xx), Hinds & Hinds (1998: 349)
- Bryoria nadvornikiana (Gyelnik) Brodo & D. Hawksw. - Degelius (1940: ), Brodo & Hawksworth (1977: xx), Hinds & Hinds (1998: 349)
- Bryoria salazinica Brodo & D. Hawksw. - Brodo & Hawksworth (1977: xx), Hinds & Hinds (1998: 349)
- Bryoria trichodes (Michx.) Brodo & D. Hawksw. - Brodo & Hawksworth (1977: xx), Hinds & Hinds (1998: 349)
- Candelaria concolor (Dicks.) Arnold - Parlin (1923), Hinds & Hinds (1998: 349)
- Candelaria fibrosa (Fr.) Müll. Arg. - Parlin (1939), Hinds & Hinds (1998: 350)
- Cetraria aculeata (Schreb.) Fr. - Eckfeldt (1894), Kärnefelt (1986), Hinds & Hinds (1998: 350)
- Cetraria arenaria Kärnefelt - Kärnefelt (1979: ), Hinds & Hinds (1998: 350)
- Cetraria islandica (L.) Ach. - Harvey (1894: ), Hinds & Hinds (1998: 350)
- Cetraria laevigata Rass. - Kärnefelt (1979: xx), Hinds & Hinds (1998: 350)
- Cetraria muricata (Ach.) Eckfeldt - Kärnefelt (1986: xx), Hinds & Hinds (1998: 350)
- Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Eckfeldt (1894: xx), Kärnefelt (1979: xx), Hinds & Hinds (1998: 350)
- Cetrelia chicitae (W. L. Culb.) W. L. Culb. & C. F. Culb. - Culberson (1965: ), Hinds & Hinds (1998: 350)
- Cetrelia olivetorum (Nyl.) W. L. Culb. & C. F. Culb. - Culberson (1962: ), Culberson & Culberson (1968: xx), Hinds & Hinds (1998: 350)
- Chrismofulvea pinastri (Erichsen) Marbach - Erichsen (1940: 330 Type in Hamburg, Germany HBG), Marbach (2000: 156)
- Cladina subtenuis (Abbayes) Hale & Culb. - Degelius (1940), Ahti (1961), Hinds & Hinds (1998: 350)
- Cladina terrae-novae (Ahti) Hale & Culb. - Ahti (1961: most likely), Wetmore (1984), Hinds & Hinds (1998: 350)
- Cladonia acuminata (Ach.) Norrlin - Parlin (1935: x), Thomson (1968), Hinds & Hinds (1998: 350)
- Cladonia amaurocraea (Flörke) Schaer. - Harvey (1894), Hinds & Hinds (1998: 350)
- Cladonia apodocarpa Robbins - Parlin (1935), Hinds & Hinds (1998: 350)
- Cladonia arbuscula (Wallr.) xxx - Parlin (1935: x as Cladina arbuscula), Ahti (1961: x as Cladina arbuscula), Hinds & Hinds (1998: 350 as Cladina arbuscula)
- Cladonia atlantica A. Evans - Wetmore (1984), Hinds & Hinds (1998: 350)
- Cladonia borealis S. Stenroos - Hinds & Hinds (1998: 350 First record)
- Cladonia boryi Tuck. - Harvey & Eckfeldt (1894: x), Ahti (1973), Hinds & Hinds (1998: 350)
- Cladonia botrytes (K. Hagen) Willd. - Degelius (1940), Hinds & Hinds (1998: 350)
- Cladonia brevis (Sandst.) Sandst. - Evans (1932), Thomson (1968), Hinds & Hinds (1998: 350)
- Cladonia caespiticia (Pers.) Flörke - Eckfeldt (1894), Hinds & Hinds (1998: 351)
- Cladonia cariosa (Ach.) Sprengel - Fink (1906)
- Cladonia carneola (Fr.) Fr. - 2 sites (S) [Parlin 1939; Thomson 1968)
- Cladonia caroliniana Tuck. - fairly common (C) [Ahti 1973)
- Cladonia cenotea (Ach.) Schaerer - abundant (W [Eckfeldt 1894)
- Cladonia cervicornis (Ach.) Flotow - common (W) [Fink 1904)
- Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel - common (W) [Bowler 1972)
- Cladonia coccifera (L.) Willd. - 2 sites (N)(ARO, PIS) {ARO, 1992, Hinds 2806, HINDS!)
- Cladonia coniocraea (Flörke) Sprengel - abundant (W) [Eckfeldt 1894)
- Cladonia conista A. Evans - (W) [Parlin 1935)
- Cladonia cornuta (L.) Hoffm. - (W) [Parlin 1939)
- Cladonia crispata (Ach.) Flotow - (W) [Riddle 1909; Thomson 1968; includes C. subsubulata Nyl.)
- Cladonia cristatella Tuck. - (W) [Harvey/Eckfeldt 1894)
- Cladonia cryptochlorophaea Asah. - (W) [Bowler 1972)
- Cladonia cylindrica (A. Evans) A. Evans - (S) [Pitman 1932)
- Cladonia decorticata (Flörke) Sprengel - (W) [Parlin 1935)
- Cladonia deformis (L.) Hoffm. - common (W) [Eckfeldt 1894)
- Cladonia digitata (L.) Hoffm. - common (W) [Eckfeldt 1894)
- Cladonia dimorphoclada Robbins - 1 site (S) [Ahti 1973), Sandstede (Clad. Exs. 1471)
- Cladonia ecmocyna Leighton - 3 sites (N) [Evans 1952; Thomson 1968)
- Cladonia farinacea (Vainio) A. Evans - (W) [Wetmore 1984)
- Cladonia fimbriata (L.) Fr. - common (W) [Eckfeldt 1894)
- Cladonia floerkeana (Fr.) Flörke - common (W) [Torrey 1934)
- Cladonia furcata (Hudson) Schrader - abundant (W) [Merrill 1909a; Riddle 1909)
- Cladonia gracilis (L.) Willd. - Harvey/Eckfeldt (1894), Ahti (1980)
- Cladonia grayi G. Merr. ex Sandst. - Parlin (1935)
- Cladonia incrassata Flörke - Merrill (1924)
- Cladonia macilenta Hoffm. - Riddle (1909)
- Cladonia macrophylla (Schaer.) Stenh. - xx (xx: xx)
- Cladonia mateocyatha Robbins - Pitman (1932)
- Cladonia maxima (Asah.) Ahti - abundant (W) [Ahti 1980)
- Cladonia merochlorophaea Asah. - fairly common (N) [Bowler 1972)
- Cladonia metacorallifera Asah. - 1 site (N) [Selva 1988)
- Cladonia mitis Sandst. - Parlin (1935: x as Cladina mitis), Ahti (1961: x as Cladina mitis), Hinds & Hinds (1998: 350 as Cladina mitis)
- Cladonia multiformis G. Merr. - Merrill 1909a)
- Cladonia ochrochlora Flörke - Torrey (1934)
- Cladonia parasitica (Hoffm.) Hoffm. - Riddle (1909), Thomson (1968)
- Cladonia peziziformis (With.) J. R. Laundon - Merrill’s list, Thomson (1968)
- Cladonia phyllophora Hoffm. - Merrill’s list (xx: xx), Torrey (1934)
- Cladonia pleurota (Flörke) Schaer. - Pitman (1932), Stenroos (1989)
- Cladonia pocillum (Ach.) Grogn. - Merrill’s list (xxx)
- Cladonia polycarpoides Nyl. - Merrill (1909: xx)
- Cladonia pyxidata (L.) Hoffm. - Cummings & Seymour (1894)
- Cladonia ramulosa (With.) J. R. Laundon - Riddle (1909)
- Cladonia rangiferina (L.) Weber ex F. H. Wigg. - Harvey & Eckfeldt (1894: x as Cladina rangiferina), Ahti (1961: x as Cladina rangiferina), Hinds & Hinds (1998: 350 as Cladina rangiferina)
- Cladonia rappii A. Evans - 1936, Parlin, MAINE!; 1970, Malcolm s.n.,
- Cladonia rei Schaerer - Pitman (1932)
- Cladonia scabriuscula (Delise) Nyl. - Riddle (1909)
- Cladonia sobolescens Nyl. ex Vain. - Parlin (1935)
- Cladonia squamosa Hoffm. - Harvey/Eckfeldt (1894)
- Cladonia stellaris (Opiz) Pouzar & Vezda - Harvey & Eckfeldt (1894: x as Cladina stellaris), Ahti (1961 as Cladina stellaris), Hinds & Hinds (1998: 350 as Cladina stellaris)
- Cladonia strepsilis (Ach.) Grognot - Torrey (1934), Thomson (1968)
- Cladonia stygia (Fr.) Ruoss - Torrey (1938 as Cladina stygia), Hinds & Hinds (1998: 350 as Cladina stygia)
- Cladonia submitis A. Evans - Ahti (1961: as Cladina submitis), Hinds & Hinds (1998: 350 as Cladina submitis)
- Cladonia subulata (L.) F. H. Wigg. - Parlin (1935)
- Cladonia sulphurina (Michaux) Fr. - Wetmore (1984)
- Cladonia turgida Hoffm. - Harvey/Eckfeldt (1894)
- Cladonia uncialis (L.) F. H. Wigg. - Harvey/Eckfeldt (1894)
- Cliostomum griffithii (Sm.) Coppins - Lendemer (2008: 99)
- Coccocarpia palmicola (Spreng.) Arv. & D. J. Galloway - Arvidsson (1982: )
- Collema bachmanianum (Fink) Degel. - xxx
- Collema flaccidum (Ach.) Ach. - Merrill (1912: ), Degelius (1954), Degelius (1974)
- Collema furfuraceum (Arnold) Du Rietz - Degelius 1954)
- Collema fuscovirens (With.) J. R. Laundon - (Merrill’s list)] SOM, 1984, Hinds 647, HINDS!
- Collema leptaleum Tuck. - Eckfeldt (1894: ), Degelius (1974), Nelson et al. (2011: 3)
- Collema limosum (Ach.) Ach. - (Merrill’s list)] (ARO, KNO) {ARO, 1988, Hinds 2217, HINDS!}
- Collema nigrescens (Hudson) DC. - Harvey (1894: ), Degelius (1954: )
- Collema occultatum Bagl. - (PEN) {Lee, 1993, Hinds 2981, HINDS!}
- Collema polycarpon Hoffm. - Rockland (1997: xx)
- Collema pulcellum Ach. - Degelius (1940), Degelius (1974)
- Collema subflaccidum Degel. - Degelius (1954), Degelius (1974)
- Collema undulatum Laurer ex Flot. -
- Degelia plumbea (Lightf.) P. M. Jørg. & P. James - Tuckerman (1882), Jørgensen (1978) MDI; also 2 reports in Eckfeldt 1894]
- Dendriscocaulon umhausense (Auersw.) Degel. - Selva (1986: )
- Dermatocarpon luridum (With.) J. R. Laundon - Merrill (1911: xx)
- Dermatocarpon miniatum (L.) W. Mann - Eckfeldt (1894: xx)
- Dermatocarpon moulinsii (Mont.) Zahlbr. -
- Dibaeis baeomyces (L.f.) Rambold & Hertel - Harvey & Eckfeldt (1894), Thomson (1967)
- Dirinaria frostii (Tuck.) Hale & Culb. - Tuckerman (1858)
- Enchylium tenax (Sw.) Gray - Parlin (1939 as Collema tenax)
- Endocarpon pusillum Hedwig - Merrill’s list)
- Ephebe lanata (L.) Vain. - Sullivan (1996)
- Evernia mesomorpha Nyl. - Howe (1911b)
- Everniastrum catawbiense (Degel.) Hale ex Sipman - Sullivan (1996)
- Flavocetraria nivalis (L.) Kärnefelt & Thell - Harvey (1894)
- Flavoparmelia baltimorensis (Gyelnik & Fóriss) Hale -
- Flavoparmelia caperata (L.) Hale - Harvey (1894; Hale (1976a)
- Flavopunctelia flaventior (Stirton) Hale -
- Flavopunctelia soredica (Nyl.) Hale -
- Fuscopannaria ahlneri (P. M. Jørg.) P. M. Jørg. - Jørgensen (1978)
- Fuscopannaria leucophaea (Vahl) P. M. Jørg. - Merrill (1912)
- Fuscopannaria leucosticta (Tuck.) P. M. Jørg. - Merrill list); Degelius (1940)
- Heterodermia galactophylla (Tuck.) Culb. - Tuckerman (1860; Kurokawa (1962)
- Heterodermia hypoleuca (Muhl.) Trevisan - Harvey (1896; Kurokawa (1962)
- Heterodermia obscurata (Nyl.) Trevisan - Degelius (1940)
- Heterodermia speciosa (Wulfen) Trevisan - Harvey/Eckfeldt (1894)
- Heterodermia squamulosa (Degel.) Culb. - Wetmore (1984)
- Hypocenomyce friesii (Ach.) P. James & Gotth. Schneider - Sullivan (1996)
- Hypocenomyce scalaris (Ach.) Choisy - Tuckerman (1888), Dirig (1990)
- Hypogymnia austerodes (Nyl.) Räsänen - xxx
- Hypogymnia bitteri (Lynge) Ahti - Selva (1986: xxx)
- Hypogymnia farinacea Zopf - Merrill (1914: )
- Hypogymnia krogiae Ohlsson - Ohlsson (1973: )
- Hypogymnia physodes (L.) Nyl. - Harvey & Eckfeldt (1894: )
- Hypogymnia tubulosa (Schaer.) Hav. - Degelius (1940: )
- Hypogymnia vittata (Ach.) Parrique - Degelius (1940: xxx)
- Hypotrachyna revoluta (Flörke) Hale - Degelius (1940: )
- Imshaugia aleurites (Ach.) S. F. Meyer - Eckfeldt (1894: )
- Imshaugia placorodia (Ach.) S. F. Meyer - Plitt (1924: ), Culberson (1956: xxx)
- Lasallia papulosa (Ach.) Llano - Eckfeldt (1894: xxx), Llano (1950)
- Lasallia pensylvanica (Hoffm.) Llano - Merrill (1910b), Llano (1950: )
- Leptogium burnetiae C. W. Dodge - Sierk (1964 includes L. hirsutum Sierk)
- Leptogium chloromelum (Sw. ex Ach.) Nyl. - Harvey (1894)
- Leptogium corticola (Taylor) Tuck. - Eckfeldt (1894; Sierk (1964)
- Leptogium cyanescens (Rabenh.) Körb. - Harvey/Eckfeldt (1894); Sierk (1964)
- Leptogium laceroides (B. de Lesd.) P. M. Jørg. - Degelius (1940; Sierk (1964)
- Leptogium lichenoides (L.) Zahlbr. - (Merrill’s list); Sierk (1964)
- Leptogium milligranum Sierk - Sierk (1964)
- Leptogium saturninum (Dickson) Nyl. - Merrill (1910c), Sierk (1964)
- Leptogium tenuissimum (Dickson) Körber - Cummings & Seymour (1894), Sierk (1964)
- Leptogium teretiusculum (Wallr.) Arnold - Degelius (1940: ), Sierk (1964: )
- Lobaria pulmonaria (L.) Hoffm. - Harvey/Eckfeldt (1894), Jordan (1973)
- Lobaria quercizans Michaux - Degelius (1940), Jordan (1973)
- Lobaria scrobiculata (Scop.) DC. - Eckfeldt (1894), Jordan (1973: )
- Melanelia exasperata (De Not.) Essl. - Merrill’s list (xx: xx as Parmelia exasperata), Parlin (1939 as Parmelia exasperata), Esslinger (1977b as Melanelia exasperata)
- Melanelia exasperatula (Nyl.) Essl. - Sullivan (1996)
- Melanelia fuliginosa (Fr. ex Duby) Essl. - Esslinger (1977b)
- Melanelia halei (Ahti) Essl. - Ahti (1966; Esslinger (1977b)
- Melanelia hepatizon (Ach.) Thell - Howe (1913b)
- Melanelia infumata (Nyl.) Essl. -
- Melanelia olivacea (L.) Essl. - Esslinger (1977b)
- Melanelia panniformis (Nyl.) Essl. - Merrill’s list, Esslinger (1977b)
- Melanelia septentrionalis (Lynge) Essl. - Ahti (1966: ), Esslinger (1977b)
- Melanelia sorediata (Ach.) Goward & Ahti - Merrill (1912), Esslinger (1977b)
- Melanelia stygia (L.) Essl. - Harvey/Eckfeldt 1894; Esslinger 1977b)
- Melanelia subargentifera (Nyl.) Essl. - Parlin (1923), Esslinger (1977b: )
- Melanelia subaurifera (Nyl.) Essl. - Merrill (1920a), Esslinger (1977b: )
- Menegazzia terebrata (Hoffm.) A. Massal. - Eckfeldt (1894), Hale (1955a)
- Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Esslinger (1977b as Melanelia disjuncta)
- Myelochroa aurulenta (Tuck.) Elix & Hale - Merrill’s list, Degelius (1940), Hale (1976b)
- Myelochroa galbina (Ach.) Elix & Hale - Merrill’s list, Parlin (1929), Hale (1976b)
- Nephroma arcticum (L.) Torss. - Eckfeldt (1894), Wetmore (1960)
- Nephroma bellum (Sprengel) Tuck. - Wetmore (1960)
- Nephroma helveticum Ach. - Harvey & Eckfeldt (1894), (1960)
- Nephroma laevigatum Ach. - Merrill (1911a), Wetmore (1960)
- Nephroma parile (Ach.) Ach. - Eckfeldt (1894), Wetmore (1960)
- Nephroma resupinatum (L.) Ach. - Harvey (1894)
- Nephromopsis cucullata (Bellardi) Divakar, A. Crespo & Lumbsch - Harvey (1894 as Flavocetraria cucullata)
- Normandina pulchella (Borrer) Nyl. - Degelius (1940)
- Lichenomphalia hudsoniana (H.S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - xx (xx: xx as Omphalina hudsoniana)
- Pannaria conoplea (Ach.) Bory - Selva (1989)
- Pannaria lurida (Mont.) Nyl. - Merrill (1910a), Merrill (Lich. Exs. 113)
- Pannaria pezizoides (Weber) Trevisan - Eckfeldt (1894)
- Pannaria rubiginosa (Ach.) Bory - Merrill’s list, Degelius (1940)
- Parmelia fertilis Müll. Arg. - Hinds et al. (1998: 21 First record for United States)
- Parmelia neodiscordans Hale - Hale (1987: 30 Type in Washington, USA US)
- Parmelia omphalodes (L.) Ach. - Wetmore (1984), Hale (1987)
- Parmelia saxatilis (L.) Ach. - Eckfeldt (1894: ), Hale (1987: )
- Parmelia squarrosa Hale - Hale (1971: 29), Hale (1987: )
- Parmelia sulcata Taylor - Merrill (1909c), Hale (1987)
- Parmeliella triptophylla (Ach.) Müll. Arg. - Merrill’s list (xx: xx), Degelius (1940: )
- Parmelinopsis horrescens (Taylor) Elix & Hale - xx (xx: xx)
- Parmeliopsis ambigua (Wulfen) Nyl. - xx (xx: xx)
- Parmeliopsis capitata R.C. Harris ex J.W. Hinds & P.L. Hinds - Harris et al. (1988 as Foraminella capitata ined.)
- Parmeliopsis hyperopta (Ach.) Vain. - Cummings & Seymour (1894)
- Parmotrema arnoldii (Du Rietz) Hale - Degelius (1940), Hale (1965: xx)
- Parmotrema crinitum (Ach.) M. Choisy - Eckfeldt (1894), Hale (1965: xx)
- Parmotrema tinctorum (Despr. ex Nyl.) Hale - Eckfeldt (1894 as Parmotrema chinense)
- Peltigera aphthosa (L.) Willd. - Harvey/Eckfeldt (1894), Thomson (1950)
- Peltigera canina (L.) Willd. - Eckfeldt (1894; Thomson (1950]
- Peltigera degenii Gyeln. - Thomson (1950)
- Peltigera didactyla (With.) J. R. Laundon - Cummings & Seymour (1894), Thomson (1950)
- Peltigera elisabethae Gyeln. - Selva (1989)
- Peltigera evansiana Gyeln. - Parlin (1939: xx), Thomson (1950: )
- Peltigera horizontalis (Hudson) Baumg. - Eckfeldt (1894), Thomson (1950)
- Peltigera hydrothyria Miadlikowska & Lutzoni - Norton (1926: as Hydrothyria venosa), Andover (1987: as Hydrothyria venosa), Hinds (1048: as Hydrothyria venosa)
- Peltigera lepidophora (Vain.) Bitter -
- Peltigera leucophlebia (Nyl.) Gyelnik - Thomson (1950)
- Peltigera malacea (Ach.) Funck -
- Peltigera membranacea (Ach.) Nyl. - Thomson (1950: )
- Peltigera neckeri Hepp ex Müll. Arg. - Hinds (1984: )
- Peltigera neopolydactyla (Gyeln.) Gyeln. - WELS (1989: )
- Peltigera polydactylon (Necker) Hoffm. - Harvey & Eckfeldt (1894), Thomson (1950: )
- Peltigera praetextata (Flörke ex Sommerf.) Zopf. - Thomson (1950: )
- Peltigera rufescens (Weiss) Humb. - Eckfeldt (1894: ), Thomson (1950: )
- Peltigera scabrosa Th. Fr. - Wels (1989: )
- Peltigera venosa (L.) Hoffm. - Eckfeldt (1894: ), Parlin (1939: ), Turner (1928: )
- Phaeophyscia adiastola (Essl.) Essl. - Esslinger (1977a: )
- Phaeophyscia ciliata (Hoffm.) Moberg - Eckfeldt (1894: ), Esslinger (1978a: )
- Phaeophyscia decolor (Kashiw.) Essl. - Thomson (1963: )
- Phaeophyscia erythrocardia (Tuck.) Essl. - Thomson (1963: )
- Phaeophyscia hirtella Essl. - Selva (1988: ), WELS (1987: )
- Phaeophyscia hispidula (Ach.) Essl. - Merrill (1910a: ), Esslinger (1978a), Warren (1909: )
- Phaeophyscia kairamoi (Vain.) Moberg -
- Phaeophyscia orbicularis (Neck.) Moberg -
- Phaeophyscia pusilloides (Zahlbr.) Essl. - Esslinger (1978a: )
- Phaeophyscia rubropulchra (Degel.) Essl. - Parlin (1939), Esslinger (1978a)
- Phaeophyscia sciastra (Ach.) Moberg - Merrill 1914; Thomson 1963] (ARO, CUM, FRA, KNO, YOR)
- Phylliscum demangeonii (Moug. & Mont.) Nyl. - Eckfeldt (1894)
- Physcia adscendens (Fr.) H. Olivier - Degelius (1940; Thomson (1963]
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Degelius (1940; Thomson (1963]
- Physcia americana G. Merr. - (on Merrill’s list & Parlin 1939, both as P. astroidea (Clem.) Nyl.)] (HAN, OXF)
- Physcia caesia (Hoffm.) Fürnr. - Eckfeldt (1894; Thomson (1963]
- Physcia dubia (Hoffm.) Lettau - Degelius (1940; Thomson (1963]
- Physcia leptalea (Ach.) DC. - Merrill’s list); Thomson (1963)
- Physcia leptalea (Ach.) DC. - Thomson (1963)
- Physcia millegrana Degel. - Degelius (1940; Thomson (1963]
- Physcia phaea (Tuck.) J. W. Thomson - Thomson (1963] (KNO, OXF, PEN) {KNO, 1909, Plitt, FH!}
- Physcia stellaris (L.) Nyl. - Harvey (1894; Thomson (1963]
- Physcia subtilis Degel. - Thomson (1963] (OXF, HAN, KNO, PIS)
- Physcia tenella (Scop.) DC. - Thomson (1963)
- Physciella chloantha (Ach.) Essl. - Merrill’s list); Parlin 1939; Esslinger 1978b)
- Physciella melanchra (Hue) Essl. - SOM (1993, Hinds 3002)
- Physconia detersa (Nyl.) Poelt - Merrill’s list); Thomson 1984/Wetmore 1984]
- Physconia enteroxantha (Nyl.) Poelt - Hinds 2087
- Physconia leucoleiptes (Tuck.) Essl. - Hinds 2589
- Pilophorus fibula (Tuck.) Th. Fr. - Yoshimura & Sharp 1968; Jahns 1981: MDI, US; also Eckfeldt 1894] (HAN)
- Placidium squamulosum (Ach.) Breuss -
- Placynthium asperellum (Ach.) Trevisan -
- Placynthium flabellosum (Tuck.) Zahlbr. - Henssen (1963)
- Placynthium nigrum (Hudson) Gray - Henssen (1963)
- Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Eckfeldt 1894; Culberson and Culberson 1968]
- Platismatia tuckermanii (Oakes) W. L. Culb. & C. F. Culb. - Howe (1913b), Culberson & Culberson 1968]
- Pseudevernia cladonia (Tuck.) Hale & Culb. - Eckfeldt (1894), Hale (1955a)
- Pseudevernia consocians (Vain.) Hale & Culb. - Hale (1968)
- Pseudocyphellaria crocata (L.) Vain. - Harvey & Eckfeldt (1894), Magnusson 1940-1941)
- Psora pseudorussellii Timdal - Merrill’s list, as Psora russellii)] (KNO)
- Psoroma hypnorum (Vahl) Gray - Eckfeldt (1894)
- Punctelia rudecta (Ach.) Krog - Howe (1913b: xx), Culberson & Culberson (1956: xx)
- Punctelia subrudecta (Nyl.) Krog - Merrill’s list); Wetmore (1984: xx)
- Pycnothelia papillaria Dufour - Eckfeldt 1894]
- Pyxine sorediata (Ach.) Mont. - Harvey 1896; Imshaug 1957]
- Ramalina americana Hale - Hale 1978]
- Ramalina dilacerata (Hoffm.) Hoffm. - Tuckerman 1882]
- Ramalina farinacea (L.) Ach. - Eckfeldt (1894), Bowler & Rundel (1978)
- Ramalina intermedia (Delise ex Nyl.) Nyl. - Merrill 1910b; Bowler & Rundel 1974]
- Ramalina pollinaria (Westr.) Ach. - Parlin 1939] (ARO, OXF, PIS)
- Ramalina roesleri (Hochst. ex Schaerer) Hue - Howe 1914]
- Ramalina thraustra (Ach.) Nyl. - Selva 1986] (ARO, HAN, PIS, WAS)
- Rimelia reticulata (Taylor) Hale & Fletcher - Merrill 1911a, as Parmelia cetrata)] (KNO) {Rockport, 1909, Merrill s.n., FH!}
- Solorina saccata (L.) Ach. - Thomson (1984)
- Sphaerophorus fragilis (L.) Pers. - Harvey (1894)
- Sphaerophorus globosus (Hudson) Vain - Eckfeldt (1894)
- Stereocaulon alpinum Laurer ex Funck - Thomson (1984?)
- Stereocaulon condensatum Hoffm. - Merrill’s list); Parlin (1939)
- Stereocaulon dactylophyllum Flörke - Eckfeldt 1894; Lamb 1977)
- Stereocaulon glaucescens Tuck. - Lamb 1977)
- Stereocaulon grande (H. Magn.) H. Magn. - Lamb 1977)
- Stereocaulon intermedium (Savicz) H. Magn. - 1 site (N) (WAS) {Steuben, 1988, Hinds 1183, HINDS!}
- Stereocaulon nanodes Tuck. - 1 site (N) (ARO) {Hersey, 1974, Lepore 155, MAINE!}
- Stereocaulon paschale (L.) Hoffm. - Harvey 1894; Lamb 1977)
- Stereocaulon pileatum Ach. - Riddle (1910), Lamb (1977)
- Stereocaulon saxatile H. Magn. - Lamb 1977)
- Stereocaulon subcoralloides (Nyl.) Nyl. - Lamb (1977)
- Stereocaulon tomentosum Fr. - Harvey/Eckfeldt 1894), Lamb (1977)
- Sticta beauvoisii Delise - 1 site (C) (HAN) {MDI, no date, Wilson s.n., US!}
- Sticta fuliginosa (Hoffm.) Ach. - Eckfeldt (1894)
- Teloschistes chrysophthalmus (L.) Th. Fr. - Eckfeldt 1894 - unverified), Kittery (1885), Thaxter 405, FH!
- Thamnolia vermicularis (Sw.) Ach. ex Schaerer - 1 site (N) [E. D. Merrill 1900] (PIS) {Mt. K, 1898, E. D. Merrill, MAINE!)
- Tuckermannopsis americana (Sprengel) Hale - Culberson & Culberson 1967)
- Tuckermannopsis ciliaris (Ach.) Gyelnik - Culberson & Culberson (1967)
- Tuckermannopsis fendleri (Nyl.) Hale - Merrill (1920 b)
- Tuckermannopsis orbata (Nyl.) M. J. Lai - Culberson & Culberson (1967)
- Tuckermannopsis sepincola (Ehrh.) Hale - Greenwood (1927)
- Umbilicaria americana Poelt & T. H. Nash - Poelt & Nash (1993)
- Umbilicaria cylindrica (L.) Delise - Eckfeldt (1894)
- Umbilicaria deusta (L.) Baumg. - Tuckerman (1882), Llano (1950)
- Umbilicaria hirsuta (Sw. ex Westr.) Ach. -
- Umbilicaria hyperborea (Ach.) Hoffm. - Harvey (1894), Llano (1950)
- Umbilicaria krascheninnikovii (Savicz) Zahlbr. - Thomson (1984)
- Umbilicaria mammulata (Ach.) Tuck. - Harvey & Eckfeldt (1894), Llano (1950)
- Umbilicaria muehlenbergii (Ach.) Tuck. - Harvey & Eckfeldt (1894), Llano (1950)
- Umbilicaria polyphylla (L.) Baumg. - Tuckerman (1882)
- Umbilicaria proboscidea (L.) Schrader - Harvey (1894)
- Umbilicaria torrefacta (Lightf.) Schrader - Harvey 1894; Llano 1950] (HAN, KNO, PIS)
- Umbilicaria vellea (L.) Hoffm. - Poelt & Nash (1993)
- Usnea cavernosa Tuck. - Howe (1910)
- Usnea ceratina Ach. - Eckfeldt (1894)
- Usnea dasaea Stirt. - Clerc & Herrera-Campos (1997)
- Usnea filipendula Stirt. - Howe (1909)
- Usnea fulvoreagens (Räsänen) Räsänen -
- Usnea subgracilis Vain. - Motyka (1936-1938 as Usnea hesperina) {Matinicus Isl., 1915, FH!}
- Usnea hirta (L.) F. H. Wigg. - Harvey (1894: )
- Usnea longissima Ach. - Harvey (1894)
- Usnea merrillii Mot. - Motyka (1936-1938
- Usnea mutabilis Stirton - Davis (1964)
- Usnea pachyclada Mot. - Motyka 1936-1938 {Head Harbor Isl., Norton, holotype, FH!}
- Usnea rubicunda Stirt. - Motyka (1936-1938)
- Usnea strigosa (Ach.) Eaton - Howe (1909), Hale (1962)
- Usnea subfloridana Stirton - Motyka (1936-1938
- Usnea subscabrosa Mot. -
- Usnea trichodea Ach. - Howe (1909)
- Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Eckfeldt (1894), Mattsson (1993)
- Vulpicida viridis (Schwein.) J.-E. Mattsson & M. J. Lai - Merrill (1920b)
- Xanthoparmelia angustiphylla (Gyeln.) Hale -
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Harvey & Eckfeldt (1894), Hale (1964)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Gyelnik (1934: 164 as Parmelia subconspersa var. cumberlandia Protologue), Hale (1967), Hale (1974: 487), Hale (1990) Type
- Xanthoparmelia plittii (Gyeln.) Hale - Wetmore 1984)
- Xanthoparmelia somloensis (Gyeln.) Hale - Hale (1955b)
- Xanthoparmelia tasmanica (Hook. f. & Taylor) Hale - Sullivan (1996)
- Xanthoria elegans (Link) Th. Fr. - Harvey & Eckfeldt (1894 as Xanthoria elegans), Lindblom (1997 as Xanthoria elegans)
- Xanthoria fallax (Hepp) Arnold - Hinds & Hinds (1994 as Xanthoria fallax), Lindblom (1997 as Xanthoria fallax)
- Xanthoria fulva (Hoffm.) Poelt & Petutschnig - Lindblom (1997 as Xanthoria fulva)
- Xanthoria hasseana Räsänen - Lindblom (1997)
- Xanthoria parietina (L.) Th. Fr. - Harvey & Eckfeldt (1894), Lindblom (1997)
- Xanthoria polycarpa (Hoffm.) Rieber - Eckfeldt (1894 as Xanthoria polycarpa), Lindblom (1997 as Xanthoria polycarpa)
- Xanthoria sorediata (Vainio) Poelt - Hinds & Hinds (1993 as Xanthoria sorediata)
- Xanthoria ulophyllodes Räsänen - Hinds & Hinds (1994: as Xanthoria ulophyllodes), Lindblom (1997: as Xanthoria ulophyllodes)