Checklist of lichens of Nebraska (USA)
Version 31 December 2018
- Acarospora badiofusca H. Magn. - Tuckerman (1872: 116 as Sarcogyne athroocarpa), Tuckerman ( 1882: 194 as Sarcogyne athroocarpa), Aughey (1875: 35 as Sarcogyne athroocarpa)
- Acarospora cervina A. Massal. - Aughey (1875: 35 as Lecanora cervina), Egan et al. (1995: 14)
- Acarospora fuscata (Schrad.) Arnold - Williams (1889: 90 as Lecanora fuscata), Webber (1890: 57 as Lecanora fuscata), Egan et al. (1995: 14)
- Acarospora glaucocarpa (Ach.) Körb. - Webber (1892: 13 as Lecanora glaucocarpa), Egan et al. (1995: 14)
- Acarospora schleicheri (Ach.) A. Massal. - Aughey (1875: 35 as Lecanora xanthophana), Williams (1889: 89 as Lecanora xanthophana var. dealbata), Webber (1890: 57 as Lecanora xanthophana), Webber (1890: 57 as Lecanora xanthophana var. dealbata), Webber (1892: 13 as Lecanora schleicheri), Egan et al. (1995: 14)
- Acarospora stapfiana (Müll. Arg.) Hue - Egan et al. (2002: 1)
- Acarospora strigata (Nyl.) Jatta - Egan et al. (2002: 1)
- Acrocordia cavata (Ach.) R. C. Harris - Egan et al. (2002: 2)
- Alyxoria varia (Pers.) Ertz & Tehler - Aughey (1875: 35 as Opegrapha varia), Williams (1889: 137 as Opegrapha varia), Webber (1890: 55 as Opegrapha varia), Webber (1892: 12 as Opegrapha varia var. pulicaris)
- Amandinea dakotensis (H. Magn.) P. May & Sheard - Sheard & May (1997: 163), Egan et al. (2002: 2 loc. non cit.
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- Amandinea milliaria (Tuck.) P. May & Sheard - Egan et al. (2002: 2)
- Amandinea polyspora (Willey) E. Lay & P. May - Egan et al. (2002: 2)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Aughey (1875: 35 as Buellia myriocarpa), Williams (1889: 136 as Buellia myriocarpa), Webber (1890: 55 as Buellia myriocarpa), Imshaug (1951: 43 as Buellia punctata var. punctata), Cherney (1985: 19 as Buellia punctata var. punctata)
- Anisomeridium biforme (Borrer) R. C. Harris - Cherney (1985: 17), Egan et al. (1995: 14)
- Anzia colpodes (Ach.) Stizenb. - Williams (1889: 30 as Parmelia colpodes), Webber (1890: 59 as Parmelia colpodes), Fink (1935: 329 as Parmelia colpodes), Hale (1955: 244), Egan et al. (1995: 14)
- Arthonia dispersa (Schrad.) Nyl. - Williams (1889: 144), Webber (1890: 55), Egan et al. (1995: 14)
- Arthonia lapidicola (Taylor) Branth & Rostrup - Williams (1889: 142), Webber (1890: 55), Fink (1935: 87), Wetmore (1967: 283), Egan et al. (1995: 14) Nom. illegit., Art. 53.1
- Arthonia punctiformis Ach. - Williams (1889: 147), Webber (1890: 55), Egan et al. (1995: 14)
- Arthonia radiata (Pers.) Ach. - Williams (1889: 145 as Arthonia astroidea), Webber (1890: 55 as Arthonia astroidea), Webber (1892: 12), Cherney (1985: 17), Egan et al. (1995: 14)
- Arthrosporum populorum A. Massal. - Fink (1935: 224 as Bilimbia acclinis), Williams (1889: 133 as Lecidea acclinis), Webber (1890: 55 as Lecidea acclinis), Egan et al. (1995: 14)
- Arthothelium taediosum (Nyl.) Müll. Arg. - Williams (1889: 148 as Arthonia taediosa), Webber (1890: 55 as Arthonia taediosa), Egan et al. (1995: 14)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Cherney (1985: 23 as Caloplaca holocarpa)
- Athallia pyracea (Ach.) Arup, Frödén & Søchting - Williams (1889: 76 as Placodium cerinum var. pyracea), Webber (1890: 57 as Placodium cerinum var. pyracea)
- Athallia vitellinula (Nyl.) Arup, Frödén & Søchting - Egan et al. (2002: 3 as Caloplaca vitellinula)
- Bacidia bagliettoana (A. Massal. & De Not.) Jatta - Webber (1892: 12 as Biatora muscorum), Fink (1935: 230 as Bacidia muscorum), Wetmore (1967: 340), Egan et al. (1995: 14)
- Bacidia circumspecta (Norrl. & Nyl.) Malme - Egan et al. (2002: 3)
- Bacidia polychroa (Th. Fr.) Körb. - Williams (1889: 121 as Biatora fuscorubella), Webber (1890: 55 as Biatora fuscorubella), Egan et al. (1995: 15)
- Bacidia rubella (Hoffm.) A. Massal. - Williams (1889: 120 as Biatora rubella), Webber (1890: 56), Egan et al. (1995: 15)
- Bacidia stigmatella (Tuck.) Zahlbr. - Williams (1889: 125 as Biatora stigmatella), Webber (1890: 56 as Biatora stigmatella), Egan et al. (1995: 15)
- Bacidia suffusa (Fr.) A. Schneider - Williams (1889: 122 as Biatora suffusa), Webber (1890: 56 as Biatora suffusa), Egan et al. (1995: 15)
- Bacidina inundata (Fr.) Vezda - Williams (1889: 124 as Biatora inundata), Webber (1890: 56 Biatora inundata), Wetmore (1967: 341 as Bacidia inundata)
- Bagliettoa calciseda DC. - Egan (2002: 11 as Verrucaria calciseda)
- Bagliettoa marmorea (Scop.) Arnold - Egan (2002: 11 as Verrucaria marmorea)
- Bilimbia granosa (Tuck.) Fink - Aughey (1875: 35 as Lecidea granosa), Egan et al. (1995: 14 as Bacidia granosa)
- Blastenia ferruginea (Huds.) A. Massal. - Cherney (1985: 22 as Caloplaca ferruginea)
- Botryolepraria lesdainii (Hue) R. C. Harris - Egan (2002: 7 as Lepraria lesdainii)
- Brownliella cinnabarina (Ach.) S.Y. Kondr., Kärnefelt, A. Thell, Elix, Jung Kim, A.S. Kondr. & Hur - Aughey (1875: 35 as Placodium cinnabarinum)
- Bryoria fuscescens (Gyeln.) Brodo & Hawksw. - Egan et al. (2002: 3)
- Buellia disciformis (Fr.) Mudd - Aughey (1875: 35 as Buellia parasema), Williams (1889: 135 as Buellia parasema), Webber (1890: 55 as Buellia parasema)
- Buellia elegans Poelt - Tuckerman (1872: 179, 185 as Buellia epigaea), Aughey (1875: 35 as Buellia epigaea), Tuckerman (1888: 88 as Buellia epigaea), Webber (1892: 12 as Buellia epigaea), Fink (1935: 371 as Buellia epigaea), Imshaug (1951: 171 as Buellia epigaea) Note: Imshaug (1951) thinks the Hayden specimen from “Bad Lands of Judith,” cited by Tuckerman, might be from Montana
- Calicium salicinum Pers. - Aughey (1875: 35 as Calicium trachelinum)
- Calogaya decipiens (Arnold) Blomb. & Foriss. - Wetmore & Kärnefelt (1998: xx as Caloplaca decipiens), Egan et al. (2002: 3 as Caloplaca decipiens)
- Calogaya saxicola (Hoffm.) Vondrák - Wetmore & Kärnefelt (1998: 245 as Caloplaca saxicola), Egan et al. (2002: 3 as Caloplaca saxicola loc. non cit.)
- Caloplaca atroalba (Tuck.) Zahlbr. - Tuckerman (1882: 173 as Placodium atroalbum), Fink (1935: 360), Rudolph (1955: 109 as Pyrenodesmia atroalba)
- Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr. - Williams (1889: 75 as Placodium cerinum), Webber (1890: 57 as Placodium cerinum), Cherney (1985: 21)
- Caloplaca discolor (Willey) Fink - Cherney (1985: 21)
- Caloplaca sideritis (Tuck.) Zahlbr. - Cherney (1985: 23)
- Caloplaca ulmorum (Fink) Fink - Cherney (1985: 23)
- Candelaria concolor (Dicks.) Arnold - Williams (1889: 23 as Teloschistes concolor), Webber (1890: 59 as Teloschistes concolor), Hale (1969: 42), Cherney (1985: 24)
- Candelaria concolor (Dicks.) Arnold var. effusa (Tuck.) Burnham - Williams (1889: 23 as Teloschistes concolor var. effusa), Webber (1890: 59 as Teloschistes concolor var. effusa)
- Candelaria fibrosa (Fr.) Müll. Arg. - Hale (1969: 93), Cherney (1985: 25)
- Candelariella aurella (Hoffm.) Zahlbr. - Egan et al. (2002: 4)
- Candelariella deflexa (Nyl.) Zahlbr. - Egan et al. (2002: 4)
- Candelariella rosulans (Müll. Arg.) Zahlbr. - Egan et al. (2002: 4)
- Candelariella subdeflexa (Nyl.) Lettau - Egan et al. (2002: 4)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Webber (1892: 13 as Placodium vitellinum)
- Candelariella xanthostigma (Pers. ex Ach.) Lettau - Egan et al. (2002: 4)
- Catapyrenium cinereum (Pers.) Körb. - Reynolds (1942: 47 as Dermatocarpon hepaticum), Looman (1964: 212 as Dermatocarpon hepaticum), Thomson (1987: 32)
- Catapyrenium lachneum (Ach.) R. Sant. - Hale (1969: 206 as Dermatocarpon lachneum), Hale (1979: 234 as Dermatocarpon lachneum), Thomson (1987: 34)
- Catapyrenium rufescens (Ach.) Breuss - Williams (1889: 153 as Endocarpon rufescens), Webber (1890: 54 as Endocarpon rufescens), Fink (1935: 40 as Dermatocarpon rufescens)
- Catillaria nigroclavata (Nyl.) Schuler - Egan et al. (2002: 4)
- Cetraria islandica (L.) Ach. - Hale (1969: 192)
- Chrysothrix caesia (Flot.) Ertz & Tehler - Aughey (1875: 35 as Arthonia lecideella), Egan et al. (1995: 14 as Arthonia lecideella), Egan et al. (2002: 2 as Arthonia caesia)
- Circinaria calcarea (L.) A. Nordin, Savic & Tibell - Williams (1889: 87 as Lecanora calcarea), Webber (1890: 56 as Lecanora calcarea), Egan et al. (1995: 14 as Aspicilia calcarea)
- Circinaria contorta (Hoffm.) A. Nordin, Savic & Tibell - Egan et al. (2002: 2 as Aspicilia contorta)
- Circinaria hispida (Mereschk.) A. Nordin, Savic & Tibell - Hale (1969: 182 as Agrestia hispida), Hale (1979: 202 as Agrestia hispida), Egan et al. (1995: 14 as Agrestia hispida)
- Cladonia acuminata (Ach.) Norrlin - Thomson (1967: 92 as Cladonia norrlinii), Thomson (1984: 151)
- Cladonia botrytes (K. G. Hagen) Willd. - Webber (1892: 13), Fink (1935: 268)
- Cladonia cariosa (Ach.) Sprengel - Webber (1892: 13), Reynolds (1942: 47), Hale (1969: 168)
- Cladonia cenotea (Ach.) Schaer. - Egan et al. (2002: 5)
- Cladonia cervicornis (Ach.) Flot. subsp. verticillata (Hoffm.) Ahti - Hale (1969: 153 as Cladonia verticillata), Hale (1979: 180 as Cladonia verticillata)
- Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel - Bowler (1972: 351), Hale (1969: 151), Hale (1979: 178)
- Cladonia cornuta (L.) Hoffm. subsp. cornuta - Williams (1889: 105), Webber (1890: 56), Fink (1935: 263)
- Cladonia didyma (Fée) Vain. - Fink (1935: 250), Williams (1889: 111 as Cladonia pulchella), Webber (1890: 56 as Cladonia pulchella)
- Cladonia fimbriata (L.) Fr. - Williams (1889: 103), Webber (1890: 56), Thomson (1967: 110 as Cladonia major), Thomson (1979: 133 as Cladonia major), Thomson (1984: 142 as Cladonia major)
- Cladonia furcata (Hudson) Schrad. - Williams (1889: 107), Webber (1890: 56)
- Cladonia gracilis (L.) Willd. subsp. gracilis - Hale (1969: 154)
- Cladonia grayi G. Merr. ex Sandst. - Thomson (1967: 108), Bowler (1972: 352)
- Cladonia humilis (With.) J. R. Laundon - Hale (1969: 152 as Cladonia conista), Hale (1979: 178 as Cladonia conista)
- Cladonia macilenta Hoffm. - Williams (1889: 110), Webber (1890: 56), Fink (1907b: 78), Hale (1969: 158), Hale (1969: 160 as Cladonia bacillaris), Hale (1979: 185), Hale (1979: 186 as Cladonia bacillaris)
- Cladonia magyarica Vain. - Egan et al. (2002: 5)
- Cladonia mitis Sandst. - Egan et al. (2002: 5 as Cladina mitis)
- Cladonia multiformis G. Merr. - Hale (1969: 155)
- Cladonia peziziformis (With.) J. R. Laundon - Williams (1889: 100 as Cladonia mitrula), Webber (1890: 56 as Cladonia mitrula), Fink (1906: 59 as Cladonia mitrula), Reynolds (1942: 47 as Cladonia mitrula), Thomson (1967: 85 as Cladonia capitata), Hale (1969: 168 as Cladonia capitata), Hale (1979: 194 as Cladonia capitata), Cherney (1985: 25)
- Cladonia pleurota (Flörke) Schaer. - Egan (2002: 5)
- Cladonia pocillum (Ach.) O. J. Rich. - Egan (2002: 5)
- Cladonia pyxidata (L.) Hoffm. - Williams (1889: 102), Webber (1890: 56), Fink (1907a: 58), Thomson (1967: 104), Thomson (1979: 138), Thomson (1984: 158), Hale (1969: 154), Hale (1979: 180)
- Cladonia rei Schaer. - Thomson (1967: 111 as Cladonia nemoxyna)
- Cladonia robbinsii A. Evans - Egan (2002: 5)
- Cladonia squamosa Hoffm. - Williams (1889: 106), Webber (1890: 56), Fink (1907: 22)
- Cladonia subcariosa Nyl. - Evans (1952: 285 as Cladonia polycarpia), Thomson (1967: 88 as Cladonia subcariosa), Thomson (1967: 89 as Cladonia polycarpoides), Culberson (1969: 381 as Cladonia polycarpia), Culberson (1969: 383 as Cladonia polycarpoides), Hale (1979: 193 as Cladonia polycarpoides), Hale (1969: 171 as Cladonia subcariosa), Cherney (1985: 26 as Cladonia polycarpoides), Egan (2002: 5 as Cladonia sobolescens)
- Cladonia subulata (L.) F. H. Wigg. - Egan (2002: 5)
- Cladonia symphycarpa (Flörke) Fr. - Williams (1889: 99), Webber (1890: 56)
- Clavascidium lacinulatum (Ach.) Breuss - Egan (2002: 9 as Placidium lacinulatum)
- Collema flaccidum (Ach.) Ach. - Williams (1889: 65), Webber (1890: 57)
- Collema leptaleum Tuck. - Williams (1889: 64), Webber (1890: 57), Fink (1935: 156 as Synechoblastus leptaleus)
- Collema nigrescens (Hudson) DC. - Aughey (1875: 35), Williams (1889: 66), Webber (1890: 58)
- Collema texanum Tuck. - Aughey (1875: 34 as Collema laciniatum), Williams (1889: 62 as Collema laciniatum), Webber (1890: 57 as Collema laciniatum), Fink (1935: 154 as Synechoblastus laciniatus)
- Coenogonium luteum (Dicks.) Kalb & Lücking - Webber (1890: 56 as Gyalecta lutea), Fink (1935: 13 as Microphiale lutea)
- Cyphelium notarisii (Tul.) Blomb. & Forss. - Egan (2002: 5)
- Cyphelium tigillare (Ach.) Ach. - Aughey (1875: 35 as Acolium tigillare), Webber (1892: 12 as Acolium tigillare)
- Dermatocarpon luridum (With.) J. R. Laundon - Hale (1969: 99 as Dermatocarpon fluviatile)
- Dermatocarpon miniatum (L.) W. Mann - Hale (1969: 139), Hale (1979: 163), Aughey (1875: 35 as Endocarpon miniatum), Williams (1889: 151 as Endocarpon miniatum), Webber (1890: 54 as Endocarpon miniatum)
- Dermatocarpon moulinsii (Mont.) Zahlbr. - Hale (1969: 137), Hale (1979: 164)
- Dimelaena oreina (Ach.) Norman - Hale (1979: 32), Cherney (1985: 27), Williams (1889: 91 as Rinodina oreina), Webber (1890: 56 as Rinodina oreina), Hale (1969: 89 as Rinodina oreina)
- Diploschistes actinostomus (Ach.) Zahlbr. - Aughey (1875: 35 as Urceolaria actinostoma)
- Diploschistes muscorum (Scop.) Blomb. & Forss. subsp. muscorum - Egan (2002: 6 on Cladonia spec.)
- Diploschistes scruposus (Schreb.) Norman - Cherney (1985: 27), Tuckerman (1872: 135 as Urceolaria scruposa), Tuckerman (1882: 222 Urceolaria scruposa), Aughey (1875: 35 Urceolaria scruposa), Webber (1892: 13 Urceolaria scruposa)
- Diplotomma alboatrum (Hoffm.) Flot. - Williams (1889: 134 as Buellia alboatra var. saxicola), Webber (1890: 55 as Buellia alboatra var. saxicola)
- Diplotomma venustum (Körb.) Körb. - Egan (2002: 6)
- Enchylium coccophorum (Tuck.) Otálora, P.M. Jørg. & Wedin - Egan (2002: 5 as Collema coccophorum)
- Enchylium conglomeratum Hoffm. - Aughey (1875: 34 as Collema cyrtaspis), Williams (1889: 60 as Collema cyrtaspis), Webber (1890: 57 as Collema cyrtaspis), Aughey (1875: 34 as Collema pycnocarpum), Williams (1889: 59 as Collema pycnocarpum), Webber (1890: 58 as Collema pycnocarpum), Hale (1969: 131 as Collema conglomeratum var. crassiusculum), Hale (1979: 158 as Collema conglomeratum var. crassiusculum)
- Enchylium limosum (Ach.) Otálora, P. M. Jørg. & Wedin - Cherney (1985: 26 as Collema limosum)
- Enchylium polycarpon (Hoffm.) xxx - Hale (1969: 131 as Collema polycarpon)
- Enchylium tenax (Sw.) Gray - Looman (1964: 212 as Collema tenax), Hale (1969: 132 as Collema tenax), Hale (1979: 152 as Collema tenax), Webber (1892: 13 as Collema pulposum)
- Endocarpon diffractellum (Nyl.) Tuck. - Thomson (1991: 355 as Staurothele diffractella)
- Endocarpon pusillum Hedwig - Aughey (1875: 35), Williams (1889: 154), Webber (1890: 54), Looman (1964: 212)
- Ephebe lanata (L.) Vain. - Hale (1969: 195), Hale (1979: 170)
- Euopsis pulvinata (Schaer.) Nyl. - Williams (1889: 57 as Omphalaria pulvinata), Webber (1890: 58 as Omphalaria pulvinata)
- Evernia mesomorpha Nyl. - Hale (1969: 176)
- Evernia prunastri (L.) Ach. - Tuckerman (1882: 40) [Cited as “Black Hills, Nebraska.” Occurrence in Nebraska is questionable]
- Flavoplaca citrina (Arnold) Arup, Frödén & Søchting - Williams (1889: 73 as Placodium citrinum), Webber (1890: 57 as Placodium citrinum), Reynolds (1942: 48 as Caloplaca citrina), Cherney (1985: 21 as Caloplaca citrina)
- Flavoparmelia caperata (L.) Hale - Williams (1889: 32 as Parmelia caperata), Webber (1890: 59 as Parmelia caperata), Hale (1969: 42 as Parmelia caperata), Hale (1979: 34 as Pseudoparmelia caperata)
- Flavopunctelia flaventior (Stirt.) Hale - Hale (1969: 41 as Parmelia flaventior), Hale (1979: 34 as Parmelia flaventior)
- Flavopunctelia soredica (Nyl.) Hale - Henzlik (1965: 92 as Parmelia manshurica), Hale (1969: 41 as Parmelia ulophyllodes), Hale (1979: 35 as Parmelia ulophyllodes)
- Fuscopannaria leucosticta (Tuck.) P. M. Jørg. - Aughey (1875: 34 as Pannaria leucosticta), Hale (1969: 205 as Pannaria leucosticta)
- Gabura fascicularis (L.) P. M. Jørg. - Williams (1889: 63 as Collema aggregatum), Webber (1890: 57 as Collema aggregatum), (Fink (1935: 156 as Synechoblastus aggregatus), Fink (1935: 155 as Synechoblastus fascicularis)
- Golubkovia trachyphylla (Tuck.) S. Y. Kondr., Kärnefelt, Elix, A. Thell, Jung Kim, M. H. Jeong, N. N. Yu, A. S. Kondr. & Hur - Rudolph (1955: 172 as Gasparrinia trachyphylla) Type in MO, now at US
- Graphis scripta (L.) Ach. - Williams (1889: 139), Webber (1890: 55), Reynolds (1942: 47), Cherney (1985: 28), Williams (1889: 140 as Graphis scripta var. limitata); Webber (1890: 55 as Graphis scripta var. limitata); Fink (1935: 109 as Graphis scripta var. limitata)
- Gyalolechia bracteata (Hoffm.) A. Massal. subsp. bracteata - Tuckerman (1882: 171 as Placodium bracteatum), Williams (1889: 71 as Placodium fulgens var. bracteatum), Webber (1890: 57 as Placodium fulgens var. bracteatum), Fink (1935: 361 as Caloplaca bracteata), Wetmore (1967: 413 as Fulgensia bracteata)
- Gyalolechia flavorubescens (Huds.) Søchting, Frödén & Arup - Cherney (1985: 22 as Caloplaca flavorubescens), Williams (1889: 74 as Caloplaca flavorubescens), Webber (1890: 57 as Placodium aurantiacum)
- Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup - Cherney (1985: 22 as Caloplaca flavovirescens)
- Gyalolechia fulgens (Sw.) Søchting, Frödén & Arup - Rudolph (1955: 76 as Fulgensia fulgens), Fink (1935: 360 as Caloplaca fulgens), Tuckerman (1872: 107 as Placodium fulgens), Tuckerman (1872: 112 as Placodium fulgens), Tuckerman (1882: 171), Tuckerman (1882: 179 as Placodium fulgens), Aughey (1875: 35 as Placodium fulgens), Williams (1889: 70 as Placodium fulgens), Webber (1890: 57 as Placodium fulgens).
- Heppia lutosa (Ach.) Nyl. - Looman (1964: 212), Wetmore (1970: 177), Hale (1969: 207), Hale (1979: 235), Aughey (1875: 34 as Heppia despreauxii), Williams (1889: 51 as Heppia despreauxii), Webber (1890: 58 as Heppia despreauxii)
- Heterodermia speciosa (Wulfen) Trevisan - Reynolds (1942: 48 as Anaptychia speciosa), Williams (1889: 33 as Physcia speciosa), Webber (1890: 58 as Physcia speciosa)
- Huneckia pollinii (A. Massal.) S. Y. Kondr., Kärnefelt, Elix, A. Thell, Jung Kim, A. S. Kondr. & Hur - Fink (1935: 358 as Caloplaca pollinii), Williams (1889: 77 as Placodium ferrugineum var. pollinii), Webber (1890: 57 as Placodium ferrugineum var. pollinii)
- Hyperphyscia adglutinata (Flörke) H. Mayrhofer & Poelt - Cherney (1985: 29), Williams (1889: 39 as Physcia adglutinata; Webber (1890: 58 as Physcia adglutinata), Reynolds (1942: 48 as Physcia adglutinata)
- Hyperphyscia confusa Essl., C. A. Morse & S. D. Leav. - Esslinger (2012: 31 Type in Lawrence, Kansas, USA KANU)
- Hyperphyscia syncolla (Tuck. ex Nyl.) Kalb - Hale (1969: 115 as Physcia syncolla), Hale (1979: 115 as Physciopsis syncolla), Cherney (1985: 29)
- Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Hale (1969: 206 as Lecidea scalaris)
- Hypogymnia physodes (L.) Nyl. - Hale (1969: 53), Hale (1979: 73)
- Hypogymnia tubulosa (Schaer.) Hav. - Egan (2002: 6)
- Hypotrachyna laevigata (Sm.) Hale - Egan (2002: 6)
- Hypotrachyna revoluta (Flörke) Hale - Hale (1979: 83)
- Imshaugia aleurites (Ach.) S.L.F. Mey. - Hale (1969: 77 as Parmeliopsis aleurites), Hale (1979: 110 as Parmeliopsis aleurites)
- Imshaugia placorodia (Ach.) S.L.F. Mey. - Hale (1969: 107 as Parmeliopsis placorodia)
- Lasallia papulosa (Ach.) Llano - Hale (1979: 163), Hale (1969: 138 as Umbilicaria papulosa)
- Lasallia pustulata (L.) Mérat - Williams (1889: 44 as Umbilicaria pustulata), Webber (1890: 58 as Umbilicaria pustulata). [It is likely that these early reports refer to Lasallia papulosa above.]
- Lathagrium dichotomum (With.) Otálora, P.M. Jørg. & Wedin - Aughey (1875: 35 as Collema stenophyllum)
- Lathagrium fuscovirens (With.) Otálora, P. M. Jørg. & Wedin - Hale (1979: 151 as Collema tuniforme)
- Lecania brunonis (Tuck.) Herre - Fink (1935: 312), Webber (1892: 13 as Lecanora brunonis)
- Lecania erysibe (Ach.) Mudd - Egan (2002: 6)
- Lecania fuscella (Schaer.) A. Massal. - Fink (1935: 311 as Lecania syringea)
- Lecania perproxima (Nyl.) Zahlbr. - Egan (2002: 6)
- Lecanora allophana (Ach.) Nyl. - Williams (1889: 82 as Lecanora subfusca), Webber (1890: 57 as Lecanora subfusca)
- Lecanora argentata (Ach.) Röhl. - Williams (1889: 82 as Lecanora subfusca var. argentata), Webber (1890: 57 as Lecanora subfusca var. argentata), Aughey (1875: 35 as Lecanora berica Synonymy uncertain)
- Lecanora argopholis (Ach.) Ach. - Egan (2002: 6)
- Lecanora expallens Ach. - Cherney (1985: 30 as Lecanora conizaea)
- Lecanora hybocarpa (Tuck.) Brodo - Cherney (1985: 30)
- Lecanora meridionalis H. Magn. - Egan (2002: 7)
- Lecanora minutella Nyl. - Egan (2002: 7)
- Lecanora oreinoides (Körb.) Hertel & Rambold - Fink (1935: 201 as Lecidea tesselina)
- Lecanora piniperda Körb. - Egan (2002: 7)
- Lecanora polytropa (Hoffm.) Rabenh. - Egan (2002: 7)
- Lecanora populicola (DC.) Duby - Williams (1889: 83 as Lecanora subfusca var. distans), Webber (1890: 57 as Lecanora subfusca var. distans)
- Lecanora pulicaris (Pers.) Ach. - Williams (1889: 83 as Lecanora subfusca var. coilocarpa), Webber (1890: 57 as Lecanora subfusca var. coilocarpa)
- Lecanora saligna (Schrad.) Zahlbr. - Fink (1935: 303 as Lecanora effusa), Wetmore (1967: 383)
- Lecanora symmicta (Ach.) Ach. - Webber (1892: 13 as Lecanora varia var. saepincola)
- Lecanora valesiaca (Müll. Arg.) Stizenb. - Egan (2002: 7)
- Lecidea lapicida (Ach.) Ach. - Williams (1889: 129 as Lecidea polycarpa), Webber (1890: 55 as Lecidea polycarpa), Fink (1935: 203 as Lecidea polycarpa Synonymy uncertain)
- Lecidea tessellata Flörke - Webber (1892: 12)
- Lecidea turgidula Fr. - Williams (1889: 117 as Biatora turgidula), Webber (1890: 56 as Biatora turgidula)
- Lecidella euphorea (Flörke) Hertel - Tuckerman (1872: 179 as Lecidea enteroleuca), Tuckerman (1888: 79 as Lecidea enteroleuca), Williams (1889: 131 as Lecidea enteroleuca), Webber (1890: 55 as Lecidea enteroleuca), Williams (1889: 131 Lecidea enteroleuca var. achrista), Webber (1890: 55 as Lecidea enteroleuca var. achrista)
- Lecidella patavina (A. Massal.) Heufl. - Egan (2002: 7)
- Lecidella stigmatea (Ach.) Hertel & Leuckert - Egan (2002: 7)
- Lepraria albicans (Th. Fr.) Lendemer & B. P. Hodk. - Hale (1979: 222), Hale (1969: 200 as Stereocaulon albicans)
- Lepraria eburnea J. R. Laundon - Egan (2002: 7 as Lepraria frigida)
- Lepraria lobificans Nyl. - Cherney (1985: 31 as Lepraria finkii)
- Lepraria vouauxii (Hue) J. R. Laundon - Egan (2002: 7 as Leproloma vouauxii)
- Leptogium byssinum (Hoffm.) Zwackh ex Nyl. - Aughey (1875: 34 as Pannaria byssina)
- Leptogium lichenoides (L.) Zahlbr. - Hale (1969: 133), Hale (1979: 149), Aughey (1875: 35 as Leptogium lacerum)
- Leptogium saturninum (Dickson) Nyl. - Aughey (1875: 35 as Leptogium myochroum)
- Leptogium subtile (Schrad.) Torss. - Aughey (1875: 35), Sierk (1964: 252 as Leptogium minutissimum)
- Leptogium tenuissimum (Dickson) Körb. - Sierk (1964: 277)
- Letharia vulpina (L.) Hue - Hale (1969: 175), Hale (1979: 198) - Tuckerman (1872: 12 as Evernia vulpina), Tuckerman (1888: 39 as Evernia vulpina), Aughey (1875: 34 as Evernia vulpina), Fink (1935: 339 as Evernia vulpina)
- Lichinella iodopulchra (Croz.) P. Moreno & Egea - HBG
- Lichinella nigritella (Lettau) Moreno & Egea - Egan (2002: 8)
- Lithothelium hyalosporum (Nyl.) Aptroot - Reynolds (1942: 47 as Arthopyrenia hyalospora)
- Lobaria quercizans Michx. - Aughey (1875: 34 as Sticta quercizans) Occurrence of this eastern North American taxon in Nebraska is questionable
- Lobothallia alphoplaca (Wahlenb.) Hafellner - Egan (2002: 8)
- Lobothallia melanaspis (Ach.) Hafellner - Aughey (1875: 35 as Lecanora melanaspis), Williams (1889: 86 as Lecanora melanaspis), Webber (1890: 57 as Lecanora melanaspis)
- Megalaria grossa (Pers. ex Nyl.) Hafellner - Fink (1935: 220 as Catillaria grossa), Webber (1890: 55 as Heterothecium grossum)
- Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Egan (2002: 8)
- Melanelixia subaurifera (Nyl.) xxx - Egan (2002: 8 as Melanelia subaurifera)
- Melanelixia subargentifera (Nyl.) O. Blanco et al. - Esslinger (1977: 174 as Parmelia subargentifera), Hale (1979: 121 as Parmelia subargentifera)
- Melanohalea elegantula (Zahlbr.) O. Blanco et al. - Esslinger (1977: 177 as Parmelia elegantula), Hale (1969: 74 as Parmelia elegantula), Hale (1979: 129 as Parmelia elegantula)
- Melanohalea exasperatula (Nyl.) O. Blanco et al. - Hale (1969: 75 as Parmelia exasperatula), Hale (1979: 129 as Parmelia exasperatula)
- Melanohalea olivacea (L.) O. Blanco et al. - Williams (1889: 31 as Parmelia olivacea), Willians (1890: 780 as Parmelia olivacea), Webber (1890: 59 as Parmelia olivacea)
- Melanohalea subolivacea (Nyl. ex Hasse) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Esslinger (1977: 177 as Parmelia subolivacea), Hale (1969: 101 as Parmelia subolivacea), Hale (1979: 136 as Parmelia subolivacea)
- Melaspilea urceolata (Fr.) Ertz & Diederich - Fink (1935: 105 as Melaspilea arthonioides)
- Montanelia disjuncta (Erichsen) Essl. - Hale (1979: 126 as Melanelia disjuncta)
- Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Hale (1979: 125 as Parmelia sorediosa)
- Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Hale (1979: 126 as Parmelia substygia)
- Mycobilimbia sabuletorum (Schreber) Hafellner - Williams (1889: 119 as Biatora hypnophila), Webber (1890: 56 as Biatora hypnophila)
- Mycocalicium albonigrum (Nyl.) Fink - Aughey (1875: 35 as Calicium parietinum var. albonigrum)
- Mycoporum compositum (Massal.) R. C. Harris - Williams (1889: 149 as Mycoporum pycnocarpum), Webber (1890: 55 as Mycoporum pycnocarpum), Fink (1935: 67 as Mycoporum pycnocarpum)
- Myelochroa aurulenta (Tuck.) Elix & Hale - Cherney (1985: 33 Parmelina aurulenta)
- Myelochroa galbina (Ach.) Elix & Hale - Williams (1889: 28 as Parmelia tiliacea var. sulphurosa), Webber (1890: 59 as Parmelia tiliacea var. sulphurosa)
- Myelochroa tiliacea (Hoffm.) Elix & Hale - Williams (1889: 27 as Parmelia tiliacea), Webber (1890: 59 as Parmelia tiliacea) [A European taxon not known from North America.]
- Myriolecis hagenii (Ach.) Sliwa, Zhao Xin & Lumbsch - Williams (1889: 84 as Lecanora hagenii), Webber (1890: 57 as Lecanora hagenii)
- Nephroma helveticum Ach. - Hale (1969: 98), Hale (1979: 134)
- Nephroma parile (Ach.) Ach. - Hale (1969: 47), (1979: 120)
- Ochrolechia arborea (Kreyer) Almb. - Egan (2002: 8)
- Ochrolechia tartarea (L.) Massal. - Reynolds (1942: 48)
- Opegrapha vulgata (Ach.) Ach. - Aughey (1875: 35)
- Pannaria conoplea (Ach.) Bory - Williams (1889: 55 as Pannaria lanuginosa), Webber (1890: 58 as Pannaria lanuginosa)
- Pannaria tavaresii P. M. Jørg. - Hale (1979: 127 as Pannaria tavaresii)
- Parmelia saxatilis (L.) Ach. - Hale (1969: 80), Hale (1979: 89)
- Parmelia sulcata Taylor - Hale (1979: 78)
- Parmelina coleae Argüello & A. Crespo - Reynolds (1942: 48 erroneously as Parmelia quercina)
- Parmeliopsis ambigua (Wulfen) Nyl. - Hale (1969: 44), Hale (1979: 36)
- Parmeliopsis hyperopta (Ach.) Arnold Hale (1979: 107)
- Parmotrema conferendum (Hale) xxx - Egan et al. (2002: 4 as Canomaculina conferenda)
- Parmotrema crinitum (Ach.) M. Choisy - Williams (1889: 26 as Parmelia crinita), Webber (1890: 59 as Parmelia crinita)
- Parmotrema eurysacum (Hue) Hale - Hale (1979: 71 as Parmelia eurysacum)
- Parmotrema hypotropum (Nyl.) Hale - Williams (1889: 26 as Parmelia perforata var. hypotropa), Webber (1890: 59 as Parmelia perforata var. hypotropa)
- Parmotrema submarginale (Michx.) DePriest & B. W. Hale - Hale (1969: 114 as Parmelia michauxiana), Hale (1979: 70 as Parmotrema michauxianum)
- Parmotrema perforatum (Jacq.) A. Massal. - Williams (1889: 25 as Parmelia perforata), Webber (1890: 59)
- Parmotrema reticulatum (Taylor) M. Choisy - Cherney (1985: 34 as Parmotrema reticulatum)
- Peltigera aphthosa (L.) Willd. - Hale (1969: 32), Hale (1979: 49)
- Peltigera canina (L.) Willd. - Williams (1889: 49), Webber (1890: 58), Reynolds (1942: 47), Pound and Clements (1900: 119), Hale (1969: 34), Hale (1979: 51)
- Peltigera collina (Ach.) Schrad. - Hale (1969: 33), Hale (1979: 50)
- Peltigera didactyla (With.) J. R. Laundon - Peltigera canina var. spuria (Williams (1889: 49; Webber (1890: 58) - Peltigera canina var. spuria f. sorediata (Thomson (1950: 61), Hale (1969: 32 as Peltigera spuria), Hale (1979: 49 as Peltigera spuria)
- Peltigera evansiana Gyeln. - Thomson (1950: 21)
- Peltigera horizontalis (Huds.) Baumg. - Webber (1892: 13), Hale (1969: 36), Hale (1979: 52)
- Peltigera lepidophora (Vain.) Bitter - Egan (2002: 8)
- Peltigera neckeri Hepp ex Müll. Arg. - Egan (2002: 8)
- Peltigera polydactylon (Neck.) Hoffm. - Williams (1889: 48 as Peltigera “polydactyla”), Webber (1890: 58 as Peltigera “polydactyla”), Hale (1969: 35 as Peltigera “polydactyla”), Hale (1979: 52 as Peltigera “polydactyla”)
- Peltigera rufescens (Weiss) Humb. - Thomson (1950: 52 as Peltigera canina var. rufescens), Reynolds (1942: 47), Cherney (1985: 34)
- Peltula patellata (Bagl.) Swinscow & Krog - Wetmore (1970: 202, 204 as Peltula polyspora), Williams (1889: 53 as Heppia polyspora), Webber (1890: 58 as Heppia polyspora), Fink (1935: 169 as Heppia polyspora)
- Pertusaria pustulata (Ach.) Duby - Aughey (1875: 35 as Pertusaria pustulata), Williams (1889: 98), Webber (1890: 56)
- Phaeographis dendritica (Ach.) Müll. Arg. - Williams (1889: 141 as Graphis dendritica), Webber (1890: 55 as Graphis dendritica), Fink (1935: 112)
- Phaeophyscia adiastola (Essl.) Essl. - Egan (2002: 8)
- Phaeophyscia cernohorskyi (Nádv.) Essl. - Esslinger (1978: 296), Hale (1979: 122), Cherney (1985: 36)
- Phaeophyscia ciliata (Hoffm.) Moberg - Hale (1979: 140), Cherney (1985: 37), Thomson (1963: 112 as Physcia ciliata f. ciliata), Hale (1969: 115 as Physcia ciliata f. ciliata), Williams (1889: 38 as Physcia obscura), Webber (1890: 58 as Physcia obscura), Reynolds (1942: 48 as Physcia obscura)
- Phaeophyscia constipata (Nyl.) Moberg - Hale (1969: 118 as Physcia constipata), Hale (1979: 147)
- Phaeophyscia endococcina (Körb.) Moberg - Hale (1969: 117 as Physcia endococcina)
- Phaeophyscia hirsuta (Mereschk.) Essl. - Cherney (1985: 37)
- Phaeophyscia hirtella Essl. - Cherney (1985: 37)
- Phaeophyscia hispidula (Ach.) Essl. - Reynolds (1942: 48 as Physcia setosa), Hale (1969: 59 as Physcia setosa)
- Phaeophyscia insignis (Mereschk.) Moberg - Cherney (1985: 38)
- Phaeophyscia nigricans (Flörke) Moberg - Egan (2002: 8)
- Phaeophyscia orbicularis (Neck.) Moberg - Thomson (1963: 123 as Physcia orbicularis f. orbicularis), Hale (1969: 61 as Physcia orbicularis f. orbicularis)
- Phaeophyscia pusilloides (Zahlbr.) Essl. - Hale (1979: 124), Cherney (1985: 38)
- Phaeophyscia rubropulchra (Degel.) Essl. - Reynolds (1942: 48 as Physcia endochrysea)
- Phaeophyscia sciastra (Ach.) Moberg - Hale (1969: 56 as Physcia sciastra)
- Physcia adscendens H. Olivier - Hale (1969: 50), Hale (1979: 103)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Thomson (1963: 49), Hale (1969: 108), Hale (1979: 114), Cherney (1985: 39)
- Physcia biziana (A. Massal.) Zahlbr. - Egan (2002: 8)
- Physcia americana G. Merr. - Cherney (1985: 39)
- Physcia caesia (Hoffm.) Fürnr. - Hale (1969: 48), Hale (1979: 107)
- Physcia callosa Nyl. - Hale (1969: 52)
- Physcia clementei (Sm.) Lynge - Reynolds (1942: 48 as Physcia astroidea)
- Physcia dimidiata (Arnold) Nyl. - Egan (2002: 9)
- Physcia dubia (Hoffm.) Lettau - Egan (2002: 9)
- Physcia millegrana Degel. - Hale (1969: 47), Cherney (1985: 39)
- Physcia phaea (Tuck.) J. W. Thomson - Hale (1969: 118)
- Physcia stellaris (L.) Nyl. - Williams (1889: 36), Webber (1890: 58), Reynolds (1942: 48), Thomson (1963: 67), Pound & Clements (1900: 119), Hale (1969: 108), Hale (1979: 116), Cherney (1985: 40)
- Physcia subtilis Degel. - Hale (1969: 48), Cherney (1985: 40)
- Physcia tenella (Scop.) DC. - Webber (1892: 13 as Physcia hispida)
- Physcia tribacia (Ach.) Nyl. - Williams (1889: 37), Webber (1890: 58), Reynolds (1942: 48)
- Physciella chloantha (Ach.) Essl. - Esslinger (1973: 422 as Physcia luganensis), Esslinger (1978: 318 as Physcia luganensis), Hale (1979: 122 as Physcia chloantha), Cherney (1985: 41), Esslinger (1986: 94)
- Physciella melanchra (Hue) Essl. - Cherney (1985: 41), Esslinger (1986: 96)
- Physconia detersa (Nyl.) Poelt - Hale (1979: 119), Cherney (1985: 42)
- Physconia elegantula Essl. - Egan (2002: 9)
- Physconia enteroxantha (Nyl.) Poelt - Hale (1979: 119)
- Physconia kurokawae Kashiw. - Cherney (1985: 42)
- Physconia leucoleiptes (Tuck.) Essl. - Williams (1889: 35 as Physcia pulverulenta var. leucoleiptes), Webber (1890: 58 as Physcia pulverulenta var. leucoleiptes)
- Physconia muscigena (Ach.) Poelt - Hale (1979: 144), Hale (1969: 116 as Physcia muscigena)
- Placynthiella icmalea (Ach.) Coppins & P. James - Egan (2002: 9)
- Placynthium nigrum (Hudson) Gray - Aughey (1875: 34 as Pannaria nigra), Williams (1889: 56), Webber (1890: 58), Hale (1979: 150)
- Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Hale (1979: 63)
- Platismatia lacunosa (Ach.) W. L. Culb. & C. F. Culb. - Aughey (1875: 34 as Cetraria lacunosa)
- Pleopsidium chlorophanum (Wahlenb.) Zopf - Williams (1889: 88 as Lecanora chlorophana), Webber (1890: 57 as Lecanora chlorophana)
- Pleopsidium flavum (Bellardi) Körb. - Egan (2002: 9)
- Polycauliona candelaria (L.) Frödén, Arup & Søchting - Aughey (1875: 34 as Teloschistes candelaris), Willaims (1889: 22 as Teloschistes lychneus), Webber (1890: 59 as Teloschistes parietinus var. lychneus), Rudolph (1955: 187 as Xanthoria candelaria), Hale (1969: 40 as Xanthoria candelaria), Hale (1979: 30 as Xanthoria candelaria), Cherney (1985: 48 as Xanthoria candelaria)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup & Søchting - Webber (1890: 59 as Teloschistes parietinus var. polycarpus), Reynolds (1942: 48 as Teloschistes polycarpus), Cherney (1985: 48)
- Polysporina simplex (Taylor) Vezda - Egan (2002: 9)
- Porpidia macrocarpa (DC.) Hertel & A. J. Schwab - Lecidea contigua (Williams (1889: 130; Webber (1890: 55), Fink (1935: 208)
- Protoparmeliopsis garovaglii (Körb.) Arup, Zhao Xin & Lumbsch - Tuckerman (1882: 185 as Lecanora garovaglii), Wetmore (1967: 384 as Lecanora garovaglii), Webber, 1890: 57 as Lecanora muralis var. garovaglii), Fink (1935: 307 as Lecanora muralis var. garovaglii), Williams (1889: 81 as Lecanora rubina var. garovaglii)
- Protoparmeliopsis muralis (Schreb.) M. Choisy - Aughey (1875: 35 as Lecanora muralis), Webber (1890: 57 as Lecanora muralis), Pound and Clements (1900: 121 as Lecanora muralis), Hale (1969: 89 as Lecanora muralis), Cherney (1985: 30 as Lecanora muralis), Webber (1890: 57 as Lecanora muralis var. saxicola), Webber (1890: 57 as Lecanora muralis var. versicolor), Williams (1889: 81 as Lecanora rubina var. versicolor), Fink (1935: 307 as Lecanora versicolor)
- Pseudevernia intensa (Nyl.) Hale & Culb. - Egan (2002: 9)
- Pseudocyphellaria aurata (Ach.) Vain. - Williams (1889: 45 as Sticta aurata), Webber (1890: 58 as Sticta aurata)
- Psora cerebriformis W. A. Weber - Egan (2002: 10)
- Psora decipiens (Hedw.) Hoffm. - Hale (1979: 234), Timdal (1986: 258) - Tuckerman (1872: 156 as Biatora decipiens), Tuckerman (1888: 13 as Biatora decipiens), Aughey (1875: 35), Williams (1889: 114)
- Psora globifera (Ach.) A. Massal. - Egan (2002: 10)
- Psora icterica (Mont.) Müll. Arg. - Timdal (1986: 263), Aughey (1875: 35 as Biatora icterica), Williams (1889: 115 as Biatora icterica), Webber (1890: 56 as Biatora icterica)
- Psora pseudorussellii Timdal - Timdal (1986: 270)
- Psora rubiformis (Wahlenb. ex Ach.) Hook. - Hale (1969: 206 as Lecidea rubiformis)
- Psora russellii (Tuck.) A. Schneider (Reynolds (1942: 47; Hale (1979: 235) - Biatora russellii (Aughey (1875: 35; Williams (1889: 112), Webber (1890: 56) - Biatora russellii f. dealbata (Williams (1889: 113)
- Psora tuckermanii R. Anderson ex Timdal - Timdal (1986: 270)
- Psorotichia schaereri (A. Massal.) Arnold - Aughey (1875: 34 as Synalissa schaereri)
- Punctelia bolliana (Müll. Arg.) Krog - Reynolds (1942: 48 as Parmelia bolliana), Hale (1969: 123 as Parmelia bolliana), Hale (1979: 58 as Parmelia bolliana), Culberson (1956: 684 as Parmelia bolliana), Cherney (1985: 43)
- Punctelia rudecta (Ach.) Krog - (Cherney (1985: 43) - Parmelia borreri var. rudecta (Williams (1889: 29; Webber (1890: 59) - Parmelia rudecta Reynolds (1942: 48), Hale (1979: 58)
- Punctelia perreticulata (Räsänen) G. Wilh. & Ladd - Egan (2002: 10)
- Punctelia semansiana (W. L. Culb. & C. F. Culb.) Krog - (Cherney (1985: 44)
- Punctelia subrudecta (Nyl.) Krog - Williams (1889: 28 erroneously as Parmelia borreri), Webber (1890: 58 erroneously as Parmelia borreri), Reynolds (1942: 48 erroneously as Parmelia borreri), Hale (1979: 56)
- Pyrrhospora elabens (Fr.) Hafellner - Lecidea melancheima (Reynolds (1942: 47)
- Pyrrhospora russula (Ach.) Hafellner - Biatora russula f. dealbata (Webber (1892: 13)
- Pyrrhospora varians (Ach.) R. C. Harris - Aughey (1875: 35 as Biatora exigua) [Synonymy questionable.] - Biatora varians (Williams, 1889: 118; Webber, 1890: 56)
- Pyxine sorediata (Ach.) Mont. - Williams (1889: 40), Webber (1890: 58) - Pyxine cocoes var. sorediata (Aughey (1875: 34)
- Ramalina calicaris (L.) Röhl. - Williams (1889: 15), Webber (1890: 59)
- Ramalina farinacea (L.) Ach. - Howe (1914: 1)
- Ramalina fastigiata (Pers.) Ach. - Howe (1914: 5)
- Ramalina fraxinea (L.) Ach. - Williams (1889: 16 as Ramalina calicaris var. fraxinea), Webber (1890: 59 as Ramalina calicaris var. fraxinea)
- Ramalina intermedia (Delise ex Nyl.) Nyl. - Hale (1979: 206)
- Ramalina pollinaria (Westr.) Ach. - Hale (1969: 182)
- Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Egan (2002: 10)
- Rhizocarpon geographicum (L.) DC. - Aughey (1875: 35 as Buellia geographica)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Hale (1979: 159), (Hale, 1969: 135 as Lecanora chrysoleuca) - Lecanora rubina (Williams, 1889: 80; 1890: 780; Webber, 1890: 57) - Lecanora rubina var. saxicola (Williams, 1889: 81)
- Rhizoplaca haydenii (Tuck.) W. A. Weber (Weber, 1979: 560) - Lecanora haydenii (Tuckerman, 1872: 113; 1882: 184; Aughey, 1875: 35; Fink, 1935: 308) [Tuckerman’s record is from the “Laramie Plains, Nebraska” and was probably collected in Wyoming.] - Lecidea haydenii (Poelt, 1958: 518)
- Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Lecanora rubina var. opaca (Webber, 1890: 57; Williams, 1890: 780)
- Parmotrema subsumptum (Nyl.) Hale - Hale (1965: 317 as Parmelia subsumpta), Culberson (1969: 462 as Parmelia subsumpta)
- Rinodina archaea (Ach.) Arnold - Egan (2002: 10)
- Rinodina ascociscana (Tuck.) Tuck. - Aughey (1875: 35)
- Rinodina bischoffii (Hepp) A. Massal. - Aughey (1875: 35)
- Rinodina calcigena (Th. Fr.) Lynge - Egan (2002: 10)
- Rinodina confragosa (Ach.) Körb. - Cherney (1985: 44)
- Rinodina exigua (Ach.) Gray - Williams (1889: 93 as Rinodina sophodes var. exigua), Webber (1890: 56 as Rinodina sophodes var. exigua)
- Rinodina populicola H. Magn. - Egan (2002: 10)
- Rufoplaca arenaria (Pers.) Arup, Søchting & Frödén - Egan et al. (2002: 3 as Caloplaca arenaria)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Williams (1890: 780 as Placodium elegans), Webber (1892: 13 as Placodium elegans), Reynolds (1942: 48 as Caloplaca elegans), Hale (1969: 88 as Caloplaca elegans)
- Rusavskia sorediata (Vain.) S. Y. Kondr. & Kärnefelt - Hale (1969: 39 as Caloplaca sorediata)
- Sarcogyne novomexicana H. Magn. - Egan (2002: 10)
- Sarcogyne hypophaea (Nyl.) Arnold - Webber (1892: 13 as Lecanora privigna)
- Sarcogyne regularis Körb. - Magnusson (1934: xx First record), Egan (2002: 10)
- Sarcosagium campestre (Fr.) Poetsch & Schiedem. - Aughey (1875: 35 as Biatora campestris)
- Scoliciosporum umbrinum (Ach.) Arnold - Williams (1889: 126 as Biatora umbrina), Webber (1890: 56 as Biatora umbrina)
- Scytinium dactylinum Tuck. - Aughey (1875: 35 as Leptogium dactylinum), Williams (1889: 68 as Leptogium dactylinum), Webber (1890: 57 as Leptogium dactylinum), Fink (1935: 163 as Leptogium dactylinum), Sierk (1964: 300 as Leptogium dactylinum)
- Scytinium fragrans (Sm.) Otálora, P. M. Jørg. & Wedin - Aughey (1875: 35 as Collema microphyllum)
- Seawardiella lobulata (Flörke) S. Y. Kondr., I. Kärnefelt & A. Thell - Fink (1935: 361 as Caloplaca lobulata), Wetmore (1967: 419 as Caloplaca lobulata)
- Solitaria chrysophthalma (Degel.) Arup, Søchting & Frödén - Egan et al. (2002: 3 as Caloplaca chrysophthalma)
- Solorina saccata (L.) Ach. - Aughey (1875: 34)
- Squamarina cartilaginea (With.) P. James - Tuckerman (1872: 112 as Lecanora crassa)
- Squamarina lentigera (Weber) Poelt - Hale (1969: 204), Hale (1979: 230) - Lecanora lentigera (Tuckerman, 1872: 112; 1882: 182; Fink, 1935: 307)
- Squamulea galactophylla (Tuck.) Arup, Søchting & Frödén - Wetmore & Kärnefelt (1998: 241 as Caloplaca galactophylla), Egan et al. (2002: 3 as Caloplaca galactophylla loc. non cit.)
- Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén - Egan et al. (2002: 3 as Caloplaca subsoluta)
- Staurothele areolata (Ach.) Lettau - Thomson, 1991: 360)
- Staurothele drummondii (Tuck.) Tuck. - Thomson (1991: 356)
- Staurothele elenkinii Oxner - Egan (2002: 11)
- Staurothele fissa (Taylor) Zwackh - Staurothele umbrina (Williams, 1889: 155), Webber (1890: 54)
- Staurothele monicae (Zahlbr.) Wetmore - Egan (2002: 11)
- Sticta fuliginosa (Dicks.) Ach. - Aughey (1875: 34)
- Strigula submuriformis (R. C. Harris) R. C. Harris - Egan (2002: 11)
- Teloschistes chrysophthalmus (L.) Th. Fr. - Williams (1889: 19), Webber (1890: 59), Pound and Clements (1900: 120), Reynolds (1942: 48), Hale (1969: 174), Hale (1979: 175), Cherney (1985: 45)
- Thelidium pyrenophorum (Ach.) Mudd - Reynolds (1942: 47)
- Thrombium epigaeum (Pers.) Wallr. - Egan (2002: 11)
- Thyrea confusa (Schaer.) Massal. - Cherney (1985: 45 erroneously as Thyrea pulvinata)
- Toninia sedifolia (Scop.) Timdal - Williams (1889: 127 as Lecidea caeruleonigricans), Webber (1890: 55 as Lecidea caeruleonigricans)
- Toninia tristis (Th. Fr.) Th. Fr. subsp. asiae-centralis (H. Magn.) Timdal - Egan (2002: 11)
- Toninia tristis (Th. Fr.) Th. Fr. subsp. tristis - Timdal (1991: 113 as Toninia tristis subsp. asiae-centralis), Griffin et al. (1995: 32)
- Trapeliopsis flexuosa (Fr.) Coppins & P. James - Egan (2002: 11)
- Trapeliopsis granulosa (Hoffm.) Lumbsch - Williams (1889: 116 as Biatora granulosa), Webber (1890: as Biatora granulosa) Nemaha
- Tuckermannopsis chlorophylla (Willd.) Hale - Hale (1969: 46 as Cetraria chlorophylla), Hale (1979: 121 as Cetraria chlorophylla)
- Tuckermannopsis ciliaris (Ach.) Gyeln. - Aughey (1875: 34 as Cetraria ciliaris)
- Tuckermannopsis coralligera (W. A. Weber) W. A. Weber - Hale (1969: 74 as Cetraria coralligera), Hale (1979: 128 as Cetraria coralligera)
- Tuckermannopsis fendleri (Nyl.) Hale - Hale (1969: 96 as Cetraria fendleri), Hale (1979: 139 as Cetraria fendleri)
- Umbilicaria phaea Tuck. - Llano (1950: 153)
- Umbilicaria vellea (L.) Ach. - Hale (1979: 162)
- Umbilicaria virginis Schaer. - Williams (1889: 42 as Umbilicaria rugifera), Webber (1890: 58 as Umbilicaria rugifera)
- Usnea cavernosa Tuck. - Aughey (1875: 34), Hale (1969: 191), Hale (1979: 213)
- Usnea florida (L.) Weber ex F. H. Wigg. - Williams (1889: 17 as Usnea barbata var. florida), Webber (1890: 59 as Usnea barbata var. florida)
- Usnea fulvoreagens (Räsänen) Räsänen - Hale (1969: 185), Hale (1979: 217)
- Usnea hirta (L.) Weber ex F. H. Wigg. - Willaims (1889: 18 as Usnea barbata var. hirta), Webber (1890: 59 as Usnea barbata var. hirta)
- Usnea lapponica Vain. - Egan (2002: 11)
- Usnea subfloridana Stirt. - Hale (1969: 187 as Usnea comosa)
- Vahliella leucophaea (Vahl) P. M. Jørg. - Aughey (1875: 34 as Pannaria microphylla)
- Varicellaria velata (Turner) I. Schmitt & Lumbsch - Aughey (1875: 35 as Pertusaria velata), Williams (1889: 94 as Pertusaria velata), Webber (1890: 56 as Pertusaria velata), Reynolds (1942: 48 as Pertusaria velata)
- Verrucaria calkinsiana Servít - Egan (2002: 11)
- Verrucaria muralis Ach. - Egan (2002: 12)
- Verrucaria rupestris Schrad. - Williams (1889: 157), Webber (1890: 54), Cherney (1985: 46), Williams (1889: 158 as Verrucaria rupestris var. subalbicans), Webber (1890: 54 as Verrucaria rupestris var. subalbicans)
- Villophora microphyllina (Tuck.) S. Y. Kondr. - Reynolds (1942: 48 as Caloplaca microphyllina), Cherney (1985: 23 as Caloplaca microphyllina), Rudolph (1955: 163 as Gasparrinia microphyllina), (Webber (1892: 13 as Placodium microphyllinum)
- Vulpicidia pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Egan (2002: 12)
- Xanthocarpia feracissima (H. Magn.) Frödén, Arup & Søchting - Cherney (1985: 22 as Caloplaca feracissima)
- Xanthocarpia tominii Savicz - Wetmore (2001: 8 as Caloplaca tominii), Egan et al. (2002: 3 as Caloplaca tominii loc. non cit.)
- Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S. Y. Kondr. - Hale (1969: 40 as Xanthoria fallax), (1979: 30 as Xanthoria fallax), Cherney (1985: 48 as Xanthoria fallax)
- Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S. Y. Kondr. - Egan (2002: 12 as Xanthoria fulva)
- Xanthomendoza hasseana (Räsänen) Søchting, Kärnefelt & S. Y. Kondr. - Egan (2002: 12 as Xanthoria hasseana)
- Xanthomendoza montana (L. Lindblom) Søchting, Kärnefelt & S. Y. Kondr. - Egan (2002: 12 as Xanthoria montana)
- Xanthomendoza ulophyllodes (Räsänen) Søchting, Kärnefelt & S. Y. Kondr. - Egan (2002: 12 as Xanthoria ulophyllodes)
- Xanthoparmelia chlorochroa (Tuck.) Hale - Parmelia chlorochroa Aughey (1875: 34), Berry (1941: 70), Wetmore (1967: 395; Hale, 1969: 91)
- Xanthoparmelia coloradoensis (Gyeln.) Hale - Parmelia conspersa chemical strain 2 with salazinic acid and no isidia (Hale, 1955a: 18) - Xanthoparmelia taractica (Hale, 1979: 43; Cherney, 1985: 47) [Probable correct determinations for Nebraska reports. Could also refer to X. tasmanica (Hook. f. & Taylor) Hale or X. lineola (Berry) Hale as currently understood.]
- Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Hale (1979: 39), Williams (1889: 32"a" as Parmelia conspersa), Webber (1890: 59 as Parmelia conspersa), Hale (1969: 73 as Parmelia conspersa)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Hale (1979: 42), Cherney (1985: 47)
- Xanthoparmelia lavicola (Gyeln.) Hale - Egan (2002: 12)
- Xanthoparmelia loxodes (Nyl.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch - Hale (1979: 128 as Neofuscelia loxodes)
- Xanthoparmelia mexicana (Gyeln.) Hale - Hale (1979: 40) - Parmelia isidiata chemical strain 2 with salazinic acid (Hale, 1955a: 20) [Probable correct determination for Nebraska material.]
- Xanthoparmelia plittii (Gyeln.) Hale - Hale (1979: 40)
- Xanthoparmelia stenophylla (Gyeln.) Hale - Egan (2002: 12 as Xanthoparmelia somloensis)
- Xanthoparmelia subramigera (Gyeln.) Hale - Hale (1979: 39)
- Xanthoparmelia wyomingica (Gyeln.) Hale - Egan (2002: 12)
- Xanthoria parietina (L.) Th. Fr. - Aughey (1875: 34 as Teloschistes parietina), Williams (1889: 20 as Teloschistes parietinus), Webber (1890: 59 as Teloschistes parietinus), Reynolds (1942: 48 as Teloschistes parietinus)