Checklist of lichens of Texas (USA)
Version 31 December 2018
- Acanthothecis poitaeoides (M. Wirth & Hale) E. Tripp & Lendemer - Egan (1978: 153 as Graphis poitaeoides)
- Acarospora chrysops (Tuck.) H. Magn. - Egan (1978: 151)
- Acarospora citrina (Tayl.) Zahlbr. - Egan (1978: 151)
- Acarospora contigua H. Magn. - Egan (1978: 151)
- Acarospora epilutescens Zahlbr. - Egan (1978: 151), Egan (1978: 151 as Acarospora albida)
- Acarospora glaucocarpa (Wahlenb. ex Ach.) Körb. - Egan (1978: 151)
- Acarospora heufleriana Körb. - Egan (1978: 151 as Acarospora rubicunda)
- Acarospora macrospora (Hepp) A. Massal. ex Bagl. - Egan (1978: 151)
- Acarospora nicolai B. de Lesd. - Magnusson (1929: 286 as Acarospora caesiofusca Protologue), Egan (1978: 151 as Acarospora caesiofusca), Knudsen & Morse (2009: 148 Lectotypification) Type in Geneva, Switzerland G
- Acarospora schleicheri (Ach.) A. Massal. - Egan (1978: 151), Egan (1978: 151 as Acarospora subcontigua)
- Acarospora sinopica (Wahlenb. ex Ach.) Körb. - Egan (1978: 151)
- Acarospora socialis H. Magn. - Egan (1978: 151), Egan (1978: 151 as Acarospora subalbida)
- Acarospora veronensis A. Massal. - Egan (1978: 151 as Acarospora tenebrica)
- Amandinea punctata (Hoffm.) Coppins & Scheid. - Reese & Tucker (1970: 699 as Buellia punctata), Egan (1978: 151 as Buellia punctata)
- Anaptychia palmulata (Michx.) Vain. - Egan (1978: 151)
- Anisomeridium subprostans (Nyl.) R. C. Harris - Egan (1978: 151 as Arthopyrenia subprostans)
- Anzia colpodes (Ach.) Stizenb. - Egan (1978: 151)
- Anzia ornata (Zahlbr.) Asahina - Egan (1978: 151)
- Arthonia caribaea (Ach.) A. Massal. - Egan (1978: 151)
- Arthonia cinnabarina (DC.) Wallr. - Egan (1978: 151)
- Arthonia conferta (Fée) Nyl. - Egan (1978: 151)
- Arthonia erubescens Willey - Egan (1978: 151)
- Arthonia erupta Nyl. - Egan (1978: 151)
- Arthonia interveniens Nyl. - Reese & Tucker (1970: 699 as Arthothelium interveniens), Egan (1978: 151 as Arthothelium interveniens)
- Arthonia leucastraea Tuck. - Tuckerman (xx: xx Protologue), Egan (1978: 151) Type
- Arthonia macrotheca Fée - Egan (1978: 151 as Arthothelium macrothecum)
- Arthonia microspermella Willey - Egan (1978: 151)
- Arthonia pyrrhuliza Nyl. - Egan (1978: 151)
- Arthonia radiata (Pers.) Ach. - Reese & Tucker (1970: 699), Egan (1978: 151)
- Arthonia ravenelii Tuck. - Egan (1978: 151)
- Arthonia rubella (Fée) Nyl. - Egan (1978: 151)
- Arthonia viridicans Willey - Egan (1978: 151)
- Aspicilia cinerea (L.) Körb. - Egan (1978: 151)
- Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Egan (1978: 152 as Caloplaca holocarpa)
- Bacidia medialis (Tuck. ex Nyl.) Zahlbr. - Egan (1978: 151 authors [Tuck.] Zahlbr.)
- Bacidia schweinitzii (Fr. ex Tuck.) A. Schneid. - Reese & Tucker (1970: 697), Egan (1978: 151)
- Bacidia suffusa (Fr.) A. Schneid. - Egan (1978: 151)
- Baculifera curtisii (Tuck.) Marbach - Egan (1978: 151 as Buellia curtisii)
- Bagliettoa calciseda (DC.) Gueidan & Cl. Roux - Egan (1978: 156 as Verrucaria calciseda)
- Blastenia ferruginea (Huds.) A. Massal. - Egan (1978: 152 as Caloplaca ferruginea)
- Brigantiaea leucoxantha (Spreng.) R. Sant. & Hafellner - Reese & Tucker (1970: 697 as Lopadium leucoxanthum), Egan (1978: 154 as Lopadium leucoxanthum)
- Brownliella cinnabarina (Ach.) S. Y. Kondr., Kärnefelt, A. Thell, Elix, J. Kim, A. S. Kondr. & J.-S. Hur - Egan (1978: 152 as Caloplaca cinnabarina)
- Buellia demutans Zahlbr. - Egan (1978: 151 as Buellia callispora)
- Buellia disciformis (Fr.) Mudd - Egan (1978: 151)
- Buellia dispersa Tuck. - Egan (1978: 151 as Buellia retrovertens)
- Buellia erubescens Arnold - Egan (1978: 151 as Buellia stillingiana)
- Buellia lepidastra (Tuck.) Tuck. - Egan (1978: 151)
- Buellia mamillana (Tuck.) W. A. Weber - Reese & Tucker (1970: 699 as Buellia glaziouana), Egan (1978: 151 as Buellia glaziouana)
- Buellia spuria (Schaer.) Anzi - Egan (1978: 151)
- Bulbothrix confoederata (W. L. Culb.) Hale - Egan (1978: 151)
- Bulbothrix coronata (Fée) Hale - Wetmore (1976: 304 as Parmelia coronata), Egan (1978: 151)
- Bulbothrix scortella (Nyl.) Hale - Reese & Tucker (1970: 698 as Parmelia scortella), Egan (1978: 151 erroneously as Bulbothrix goebelii)
- Caloplaca camptidia (Tuck.) Zahlbr. - Egan (1978: 152)
- Caloplaca cerina (Hedw.) Th. Fr. - Egan (1978: 152)
- Caloplaca diphasia (Tuck.) Wetmore - Tuckerman (1858: 426 as Lecanora diphasia Type), Egan (1978: 152 as Lecanora diphasia), Wetmore (1994: 823 Lectotype in Chicago, USA FH)
- Caloplaca eugyra (Tuck.) Zahlbr. - Tuckerman (xx: xx Type), Egan (1978: 152)
- Caloplaca floridana (Tuck.) S. C. Tucker - Egan (1978: 152 as Lecanora floridana)
- Caloplaca microphyllina (Tuck.) Hasse - Egan (1978: 152)
- Caloplaca pollinii (A. Massal.) Jatta - Egan (1978: 152)
- Caloplaca wrightii (Will. ex Tuck.) Fink - Tucker (1882: 178 as Caloplaca ferrugineum d. wrightii Type in FH), Egan (1978: 152), Wetmore (2004: 289)
- Caloplaca yuchiorum Lendemer & C. A. Morse - Lendemer & Morse (2010: 331 First record)
- Candelaria concolor (Dicks.) B. Stein - Wetmore (1976: 302), Egan (1978: 152)
- Candelaria fibrosa (Fr.) Müll. Arg. - Wetmore (1976: 302), Egan (1978: 152)
- Candelariella aurella (Hoffm.) Zahlbr. - Egan (1978: 152)
- Candelariella vitellina (Hoffm.) Müll. Arg. - Egan (1978: 152)
- Candelina mexicana (B. de Lesd.) Poelt - Egan (1978: 152)
- Candelina submexicana (B. de Lesd.) Poelt - Wetmore (1976: 302), Egan (1978: 152)
- Canoparmelia caroliniana (Nyl.) Elix & Hale - Reese & Tucker (1970: 698 as Parmelia caroliniana), Egan (1978: 155 as Pseudoparmelia caroliniana)
- Canoparmelia cryptochlorophaea (Hale) Elix & Hale - Egan (1978: 155 as Pseudoparmelia cryptochlorophaea)
- Canoparmelia texana (Tuck.) Elix & Hale - Egan (1978: 155 as Pseudoparmelia texana)
- Chaenotheca trichialis (Ach.) Th. Fr. - Egan (1978: 152)
- Constrictolumina cinchonae (Ach.) Lücking, M. P. Nelsen & Aptroot - Reese & Tucker (1970: 699 as Arthopyrenia cinchonae), Egan (1978: 151 as Arthopyrenia cinchonae)
- Cryptothecia striata G. Thor - Egan (1978: 152 as Chiodecton montagnaei)
- Chrysothrix caesia (Flot.) Ertz & Tehler - Egan (1978: 151 as Arthonia lecideella)
- Chrysothrix chlorina (Ach.) J. R. Laundon - Egan (1978: 153 as Lepraria chlorina)
- Circinaria calcarea (L.) A. Nordin, S. Savic & Tibell - Egan (1978: 151 as Aspicilia calcarea)
- Circinaria contorta A. Nordin, Savic & Tibell - Egan (1978: 151 as Aspicilia contorta)
- Cladonia bacillaris (Ach.) Nyl. - Wetmore (1976: 302), Egan (1978: 152)
- Cladonia beaumontii (Tuck.) Vain. - Egan (1978: 152)
- Cladonia caespiticia (Pers.) Flörke - Egan (1978: 152)
- Cladonia cariosa (Ach.) Spreng. - Egan (1978: 152)
- Cladonia chlorophaea (Flörke ex Somm.) Spreng. - Wetmore (1976: 302), Egan (1978: 152)
- Cladonia cristatella Tuck. - Egan (1978: 152)
- Cladonia cryptochlorophaea Asahina - Egan (1978: 152)
- Cladonia didyma (Fée) Vain. - Egan (1978: 152)
- Cladonia evansii Abbayes - Egan (1978: 152 as Cladina evansii)
- Cladonia fimbriata (L.) Fr. - Egan (1978: 152)
- Cladonia furcata (Huds.) Schrad. - Egan (1978: 152)
- Cladonia grayi Merr. ex Sandst. - Egan (1978: 152)
- Cladonia leporina Fr. - Egan (1978: 152)
- Cladonia macilenta Hoffm. - Egan (1978: 152)
- Cladonia peziziformis (With.) J. R. Laundon - Reese & Tucker (1970: 697 as Cladonia capitata), Egan (1978: 152 as Cladonia capitata)
- Cladonia pleurota (Flörke) Schaer. - Egan (1978: 152)
- Cladonia pyxidata Tuck. - Wetmore (1976: 302), Egan (1978: 152)
- Cladonia ravenelii Tuck. - Egan (1978: 152)
- Cladonia santensis Tuck. - Egan (1978: 152)
- Cladonia squamosa (Scop.) Hoffm. - Egan (1978: 152)
- Cladonia strepsilis (Ach.) Grognot - Egan (1978: 152)
- Cladonia subcariosa Nyl. - Egan (1978: 152 as Cladonia clavulifera), Egan (1978: 152 as Cladonia polycarpoides), Egan (1978: 152)
- Cladonia subradiata (Vain.) Sandst. - Wetmore (1976: 302 erroneously as Cladonia balfourii), Egan (1978: 152 erroneously as Cladonia balfourii)
- Cladonia subtenuis (Abbayes) Mattick - Egan (1978: 152 as Cladina subtenuis)
- Cladonia symphycarpa (Flörke) Fr. - Egan (1978: 152)
- Cladonia uncialis (L.) Wigg. - Egan (1978: 152)
- Cladonia verticillata (Hoffm.) Schaer. - Egan (1978: 152)
- Coccocarpia erythroxyli (Spreng.) Swinscow & Krog - Egan (1978: 152), Egan (1978: 152 as Coccocarpia incisa)
- Coccocarpia palmicola (Sprengel) Arv. & D. J. Galloway - Reese & Tucker (1970: 697 as Coccocarpia cronia), Wetmore (1976: 303 as Coccocarpia cronia), Egan (1978: 152 as Coccocarpia cronia)
- Coccocarpia pellita (Ach.) Müll. Arg. - Egan (1978: 152)
- Coenogonium implexum Nyl. - Egan (1978: 152)
- Coenogonium interplexum Nyl. - Egan (1978: 152)
- Coenogonium interpositum Nyl. - Egan (1978: 152)
- Collema fasciculare (L.) F. H. Wigg. - Egan (1978: 152)
- Collema flaccidum (Ach.) Ach. - Egan (1978: 152)
- Collema furfuraceum (Arnold) Du Rietz - Wetmore (1976: 303), Egan (1978: 152)
- Collema leptaleum Tuck. - Egan (1978: 152)
- Collema nigrescens (Huds.) DC. - Egan (1978: 152)
- Collema pulcellum Ach. var. leucopeplum (Tuck.) Degel. - Egan (1978: 152 as Collema leucopeplum)
- Collema subflaccidum Degel. - Reese & Tucker (1970: 697 erroneously as Collema subfurvum), Egan (1978: 152 erroneously as Collema subfurvum)
- Collema texanum Tuck. - Egan (1978: 152)
- Cratiria lauricassiae (Fée) Marbach - Egan (1978: 151 as Buellia lauricassiae)
- Crocodia aurata (Ach.) Link - Egan (1978: 155 as Pseudocyphellaria aurata)
- Dermatocarpon americanum Vain. - Heidmarsson (2003: 466)
- Dermatocarpon luridum (With.) J. R. Laundon - Egan (1978: 152 as Dermatocarpon fluviatile)
- Dermatocarpon miniatum (L.) Mann - Wetmore (1976: 303), Egan (1978: 152)
- Dermatocarpon moulinsii (Mont.) Zahlbr. - Wetmore (1976: 303), Egan (1978: 152)
- Dermatocarpon tomentulosum Amtoft - Amtoft (2006: 182 Type in New York, USA NY)
- Dimelaena oreina (Ach.) Norm. - Egan (1978: 152)
- Diploschistes aeneus (Müll. Arg.) Lumbsch - Müller Argau (1888: 64 Protologue), Lumbsch et al. (1993: 303) Type in Geneva, Switzerland G
- Diploschistes scruposus (Schreb.) Norm. - Egan (1978: 152)
- Diplotomma alboatrum (Hoffm.) Flot. - Egan (1978: 151 as Buellia alboatra)
- Dirinaria aegialita (H. Magn.) Awasthi - Wetmore (1976: 304 as Dirinaria aspera), Egan (1978: 153 as Dirinaria aspera)
- Dirinaria applanata (Fée) D. D. Awasthi - Egan (1978: 153)
- Dirinaria confluens (Fr.) D. D. Awasthi - Egan (1978: 153)
- Dirinaria confusa D. D. Awasthi - Egan (1978: 153)
- Dirinaria frostii (Tuck.) Hale & W. L. Culb. - Wetmore (1976: 304), Egan (1978: 153)
- Dirinaria leopoldii (Stein) D. D. Awasthi - Egan (1978: 153)
- Dirinaria picta (Sw.) Clem. & Shear - Egan (1978: 153)
- Dirinaria purpurascens (Vain.) B. Moore - Egan (1978: 153)
- Dyplolabia afzelii (Ach.) A. Massal. - Egan (1978: 153 as Graphis afzelii)
- Enchylium coccophorum (Tuck.) Otálora, P. M. Jørg. & Wedin - Tuckerman (1862: 385 as Collema coccophorum Type in Farlow Lectotype), Degelius (1954: 184 as Collema coccophorum Lectotypification), Wetmore (1976: 303 as Collema coccophorum), Egan (1978: 152 as Collema coccophorum)
- Enchylium conglomeratum (Hoffm.) Otálora, P. M. Jørg. & Wedin - Wetmore (1976: 303 as Collema conglomeratum), Egan (1978: 152 as Collema conglomeratum)
- Enchylium polycarpon (Hoffm.) Otálora, P. M. Jørg. & Wedin - Egan (1978: 152 as Collema polycarpon)
- Enchylium tenax (Sw.) Gray - Egan (1978: 152 as Collema tenax)
- Endocarpon pusillum Hedw. - Egan (1978: 153)
- Fissurina insidiosa C. Knight & Mitten - Reese & Tucker (1970: 697 as Graphis beaumontii), Egan (1978: 153 as Graphis beaumontii)
- Fissurina leuconephela Nyl. - Egan (1978: 153 as Graphina leuconephela)
- Flavoparmelia baltimorensis (Gyeln. & Fóriss) Hale - Egan (1978: 155 as Pseudoparmelia baltimorensis)
- Flavoparmelia caperata (L.) Hale - Reese & Tucker (1970: 698 as Parmelia caperata), Wetmore (1976: 304 as Parmelia caperata), Egan (1978: 155 as Pseudoparmelia caperata)
- Flavoparmelia rutidota (Hook. f. & Taylor) Hale - Wetmore (1976: 307 as Parmelia rutidota), Egan (1978: 155 as Pseudoparmelia rutidota)
- Flavopunctelia flaventior (Stirt.) Hale - Wetmore (1976: 304 as Parmelia flaventior), Egan (1978: 154 as Parmelia flaventior)
- Flavopunctelia praesignis (Nyl.) Hale - Wetmore (1976: 307), Egan (1978: 154 as Parmelia praesignis)
- Flavopunctelia soredica Hale - Wetmore (1976: 307 as Parmelia ulophyllodes), Egan (1978: 154 as Parmelia ulophyllodes)
- Gallowayella weberi (S. Y. Kondr. & Kärnefelt) S. Y. Kondr., Fedorenko, S. Stenroos, Kärnefelt, Elix, J. S. Hur & A. Thell - Kondratyuk & Kärnefelt (2003: 126 as Xanthoria weberi Type in Kraków, Poland KRAM), Fedorenko et al. (2012: 60)
- Gassicurtia catasema (Tuck.) Marbach - Egan (1978: 151 as Buellia caloosensis)
- Glyphis cicatriosa Ach. - Reese & Tucker (1970: 697), Egan (1978: 153 as Glyphis achariana), Egan (1978: 153)
- Glyphis scyphulifera (Ach.) Staiger - Egan (1978: 153 as Gyrostomum scyphuliferum)
- Graphis acharii Fée - Egan (1978: 153 as Graphina acharii)
- Graphis elegans (Borr. ex Sm.) Ach. - Egan (1978: 153)
- Graphis scripta (L.) Ach. - Reese & Tucker (1970: 697), Egan (1978: 153)
- Graphis tenella Ach. - Reese & Tucker (1970: 697), Egan (1978: 153)
- Gyalolechia flavorubescens (Hudson) Søchting, Frödén & Arup - Reese & Tucker (1970: 699 as Caloplaca aurantiaca), Egan (1978: 152 as Caloplaca flavorubescens)
- Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup - Egan (1978: 152 as Caloplaca flavovirescens)
- Haematomma fenzlianum A. Massal. - Egan (1978: 153 as Haematomma subpuniceum)
- Haematomma persoonii (Fée) A. Massal. - Reese & Tucker (1970: 698 erroneously as Haematomma puniceum), Egan (1978: 153 erroneously as Haematomma puniceum)
- Heppia lutosa (Ach.) Nyl. - Wetmore (1976: 304), Egan (1978: 153)
- Herpothallon rubrocinctum (Sw.) Vain. - Egan (1978: 152 as Chiodecton sanguineum)
- Heterodermia albicans (Pers.) Swinscow & Krog - Reese & Tucker (1970: 698 as Anaptychia ravenelii), Reese & Tucker (1970: 699 as Physica albicans), Wetmore (1976: 304 as Heterodermia domingensis), Egan (1978: 153), Egan (1978: 155 as Physica albicans)
- Heterodermia appalachensis (Kurok.) W. L. Culb. - Wetmore (1976: 304), Egan (1978: 153)
- Heterodermia diademata (Taylor) D. D. Awasthi - Wetmore (1976: 304), Egan (1978: 153)
- Heterodermia echinata (Taylor) W. L. Culb. - Egan (1978: 153)
- Heterodermia galactophylla (Tuck.) W. L. Culb. - Egan (1978: 153)
- Heterodermia granulifera (Ach.) W. L. Culb. - Wetmore (1976: 304), Egan (1978: 153)
- Heterodermia hypoleuca (Mühl.) Trev. - Egan (1978: 153)
- Heterodermia leucomela (L.) Poelt - Wetmore (1976: 304), Egan (1978: 153)
- Heterodermia obscurata (Nyl.) Trev. - Egan (1978: 153)
- Heterodermia rugulosa (Kurok.) Wetmore - Wetmore (1976: 304), Egan (1978: 153)
- Heterodermia speciosa (Wulf.) Trev. - Egan (1978: 153)
- Hyperphyscia adglutinata (Kremp.) A. Massal. - Wetmore (1976: 310 as Physcia elaeina), Egan (1978: 155 as Physciopsis elaeina)
- Hyperphyscia syncolla Tuck. ex Nyl. - Wetmore (1976: 310 as Physcia syncolla), Egan (1978: 155 as Physciopsis syncolla)
- Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Egan (1978: 153 as Lecidea scalaris)
- Hypotrachyna horrescens (Taylor) Krog & Swinscow - Reese & Tucker (1970: 698 as Parmelia horrescens), Egan (1978: 154 as Parmelina horrescens)
- Hypotrachyna laevigata (Sm.) Hale - Wetmore (1976: 304 as Parmelia laevigata), Egan (1978: 153)
- Hypotrachyna livida (Taylor) Hale - Egan (1978: 153)
- Hypotrachyna minarum (Vain.) Krog & Swinscow - Reese & Tucker (1970: 698 as Parmelia dissecta), Egan (1978: 154 as Parmelina dissecta)
- Hypotrachyna osseoalba (Vain.) Park & Hale - Egan (1978: 153 as Hypotrachyna formosana)
- Hypotrachyna pustulifera (Hale) Skorepa - Wetmore (1976: 307 as Parmelia pustulifera), Egan (1978: 153)
- Imshaugia aleurites (Ach.) S. F. Meyer - Wetmore (1976: 307 as Parmeliopsis aleurites), Egan (1978: 154 as Parmeliopsis aleurites)
- Lasallia papulosa (Ach.) Llano - Wetmore (1976: 304), Egan (1978: 153)
- Lathagrium cristatum (L.) Otálora, P. M. Jørg. & Wedin - Egan (1978: 152 as Collema cristatum)
- Lathagrium fuscovirens (With.) Otálora, P. M. Jørg. & Wedin - Wetmore (1976: 303 as Collema tuniforme), Egan (1978: 152 as Collema tuniforme)
- Lecania stigmatella (Tuck.) S. Ekman - Egan (1978: 151 as Bacidia stigmatella)
- Lecanora allophana (Ach.) Nyl. - Reese & Tucker (1970: 698 as Lecanora subfusca), Egan (1978: 153), Egan (1978: 153 as Lecanora subfusca)
- Lecanora caesiorubella Ach. subsp. caesiorubella - Reese & Tucker (1970: 698)
- Lecanora caesiorubella Ach. subsp. glaucomodes (Nyl.) Imshaug & Brodo - Egan (1978: 153)
- Lecanora caesiorubella Ach. subsp. saximontana Imshaug & Brodo - Egan (1978: 153)
- Lecanora carpinea (L.) Vain. - Egan (1978: 153)
- Lecanora circumborealis (Ach.) Nyl. - Egan (1978: 153 as Lecanora coilocarpa)
- Lecanora frustulosa (Dicks.) Ach. - Egan (1978: 153)
- Lecanora glabrata (Ach.) Malme - Egan (1978: 153)
- Lecanora miculata Ach. - Egan (1978: 153)
- Lecanora muralis (Schreb.) Rabenh. - Egan (1978: 153)
- Lecanora pallidochlorina T. H. Nash, B. D. Ryan & Lumbsch - Ladd & Morse (2012: 62)
- Lecanora subpallens Zahlbr. - Egan (1978: 153 as Lecanora caesiorubella subsp. lathamii)
- Lecanora varia (Ehrh.) Ach. - Egan (1978: 153)
- Lecidea hypomela Nyl. - Egan (1978: 153)
- Lecidea lapicida (Ach.) Ach. - Egan (1978: 153)
- Lecidea lithophila (Ach.) Ach. - Egan (1978: 153)
- Lecidea varians Ach. - Egan (1978: 153)
- Leiorreuma exaltatum (Mont. & Bosch) Staiger - Egan (1978: 155 as Phaeographis exaltata)
- Lepra amara (Ach.) Hafellner - Reese & Tucker (1970: 698 as Pertusaria amara), Egan (1978: 155 as Pertusaria amara)
- Lepraria membranacea (Dicks.) Vain. - Egan (1978: 153)
- Leproplaca cirrochroa (Ach.) Arup, Frödén & Søchting - Egan (1978: 152 as Caloplaca cirrochroa)
- Leptogium arsenei Sierk - Wetmore (1976: 304), Egan (1978: 153)
- Leptogium austroamericanum (Malme) C. W. Dodge - Reese & Tucker (1970: 697), Egan (1978: 153)
- Leptogium azureum (Sw.) Mont. - Egan (1978: 153)
- Leptogium burgessii (L.) Mont. - Egan (1978: 153 as Leptogium inflexum)
- Leptogium chloromelum (Ach.) Nyl. - Reese & Tucker (1970: 697), Egan (1978: 153)
- Leptogium corticola (Taylor) Tuck. - Egan (1978: 153)
- Leptogium cyanescens (Rabenh.) Körb. - Reese & Tucker (1970: 697), Egan (1978: 153)
- Leptogium denticulatum Nyl. - Wetmore (1976: 304), Egan (1978: 153)
- Leptogium hirsutum Sierk - Egan (1978: 153)
- Leptogium marginellum (Sw.) S. Gray - Egan (1978: 154)
- Leptogium milligranum Sierk - Reese & Tucker (1970: 697), Wetmore (1976: 304), Egan (1978: 154)
- Leptogium phyllocarpum Sierk - Egan (1978: 154)
- Leptogium pseudofurfuraceum P. M. Jørg. & Wallace - Wetmore (1976: 304 erroneously as Leptogium furfuraceum), Egan (1978: 153 erroneously as Leptogium furfuraceum)
- Leptogium saturninum (Dicks.) Nyl. - Egan (1978: 154)
- Letrouitia domingensis (Pers.) Hafellner & Bellem. - Egan (1978: 154 as Lopadium domingense)
- Leucodecton subcompunctum (Nyl.) Frisch - Egan (1978: 154 as Leptotrema polycarpum)
- Leucodecton willeyi (Nyl.) R. C. Harris - Egan (1978: 155 as Phlyctis willeyi)
- Lichinella cribellifera (Nyl.) P. P. Moreno & Egea - Wetmore (1976: 311 as Rechingeria cribellifera), Egan (1978: 156 as Rechingeria cribellifera)
- Lobaria quercizans Michx. - Egan (1978: 154)
- Lobaria ravenelii (Tuck.) Yoshim. - Reese & Tucker (1970: 697 as Lobaria erosa), Egan (1978: 154)
- Lopadium augustini (Tuck.) Zahlbr. - Egan (1978: 154)
- Medusulina texana Müll. Arg. - Egan (1978: 154)
- Megalospora pachycheila (Tuck.) Sipman - Egan (1978: 151 as Bombyliospora pachycheila)
- Megalospora tuberculosa (Fée) Sipman - Reese & Tucker (1970: 697 as Bombyliospora tuberculosa), Egan (1978: 151 as Bombyliospora tuberculosa)
- Melanohalea exasperata (De Not.) O. Blanco et al. - Egan (1978: 154 as Parmelia exasperata)
- Melanohalea exasperatula (Nyl.) O. Blanco et al. - Egan (1978: 154 as Parmelia exasperatula)
- Melanohalea olivacea (L.) O. Blanco et al. - Egan (1978: 154 as Parmelia olivacea)
- Melanohalea subolivacea (Nyl.) O. Blanco et al. - Wetmore (1976: 307 as Parmelia subolivacea), Egan (1978: 154 as Parmelia subolivacea)
- Melaspilea maculosa (Fr.) Müll. Arg. - Egan (1978: 154)
- Myelochroa aurulenta (Tuck.) Elix & Hale - Reese & Tucker (1970: 698 as Parmelia aurulenta), Egan (1978: 154 as Parmelina aurulenta)
- Myelochroa galbina (Ach.) Elix & Hale - Egan (1978: 154 as Parmelina galbina)
- Myelochroa obsessa (Ach.) Elix & Hale - Egan (1978: 154 as Parmelina obsessa)
- Neocatapyrenium disparatum Breuss - Breuss (2005: 537 Protologue) Type in MIN
- Nephroma helveticum Ach. subsp. helveticum - Egan (1978: 154)
- Normandina pulchella (Borr.) Nyl. - Wetmore (1976: 304), Egan (1978: 154)
- Ocellularia americana Hale - Egan (1978: 154)
- Ocellularia sanfordiana (Zahlbr.) Hale - Egan (1978: 156 as Thelotrema sanfordianum)
- Ochrolechia tartarea (L.) A. Massal. - Egan (1978: 154)
- Opegrapha astraea Tuck. - Egan (1978: 154)
- Opegrapha bonplandii Fée - Egan (1978: 154)
- Opegrapha prosodea Ach. - Egan (1978: 154)
- Opegrapha ravenelii (Tuck.) Tehler - Tucker (1872: 196 as Platygrapha ravenelii Type in FH), Egan (1978: 156 as Schismatomma ravenelii)
- Pachnolepia pruinata (Torss.) Frisch & G. Thor - Egan (1978: 151 as Arthonia chiodectella)
- Pannaria conoplea (Ach.) Bory - Wetmore (1976: 304 as Pannaria pityrea), Egan (1978: 154 as Pannaria pityrea)
- Pannaria lurida (Mont.) Nyl. subsp. lurida - Reese & Tucker (1970: 697), Egan (1978: 154)
- Pannaria rubiginosa (Thunb. ex Ach.) Del. - Egan (1978: 154)
- Parmeliella pannosa (Sw.) Nyl. - Egan (1978: 154)
- Parmotrema austrosinense (Zahlbr.) Hale - Egan (1978: 154)
- Parmotrema cetratum (Ach.) Hale - Egan (1978: 154)
- Parmotrema conferendum Hale - Egan (1978: 154)
- Parmotrema crinitum (Ach.) M. Choisy - Wetmore (1976: 304 as Parmelia crinita), Egan (1978: 154)
- Parmotrema cristiferum (Taylor) Hale - Egan (1978: 154)
- Parmotrema endosulphureum (Hillmann) Hale - Egan (1978: 154)
- Parmotrema eurysacum (Hue) Hale - Egan (1978: 154)
- Parmotrema hababianum (Gyeln.) Hale - Wetmore (1976: 304 as Parmelia hababiana), Egan (1978: 154 as Parmelia hababiana)
- Parmotrema haitiense (Hale) Hale - Egan (1978: 154)
- Parmotrema hypotropum(Nyl.) Hale - Egan (1978: 154)
- Parmotrema louisiana (Hale) Hale - Egan (1978: 155)
- Parmotrema margaritatum (Hue) Hale - Wetmore (1976: 304 as Parmelia margaritata), Egan (1978: 155)
- Parmotrema mellissii (C. W. Dodge) Hale - Egan (1978: 155)
- Parmotrema submarginale (Michx.) DePriest & B. W. Hale - Egan (1978: 155 as Parmotrema michauxianum)
- Parmotrema perforatum (Jacq.) A. Massal. - Egan (1978: 155 as Parmotrema )
- Parmotrema praesorediosum (Nyl.) Hale - Egan (1978: 155)
- Parmotrema preperforatum (W. L. Culb. & C. F. Culb.) Hale - Egan (1978: 155)
- Parmotrema rampoddense (Nyl.) Hale - Egan (1978: 155)
- Parmotrema reticulatum (Taylor) M. Choisy - Wetmore (1976: 307 as Parmelia reticulata), Egan (1978: 155)
- Parmotrema gardneri (C. W. Dodge) Sérus. - Egan (1978: 155 erroneously as Parmotrema robustum)
- Parmotrema subisidiosum (Müll. Arg.) Hale - Reese & Tucker (1970: 698 as Parmelia subisidiosa), Egan (1978: 155)
- Parmotrema subrigidum Egan - Egan (1978: 155 erroneously as Parmotrema rigidum), Egan et al. (2005: 405)
- Parmotrema subtinctorium (Zahlbr.) Hale - Wetmore (1976: 307 as Parmelia subtinctoria), Egan (1978: 155)
- Parmotrema sulphuratum (Nees & Flot.) Hale - Egan (1978: 155)
- Parmotrema tinctorum (Despr. ex Nyl.) Hale - Reese & Tucker (1970: 698 as Parmelia tinctorum), Egan (1978: 155)
- Parmotrema ultralucens (Krog) Hale - Reese & Tucker (1970: 698 erroneously as Parmelia subcrinita), Egan (1978: 155)
- Paulia pyrenoides (Nyl.) Henssen - Nylander (1858: 100 as Omphalaria pyrenoides Type in Helsinki, Finland H-NYL), Fink (1935: 150 as Thyrea pyrenoides), Egan (1978: 156 as Thyrea pyrenoides)
- Peccania texana (Tuck.) Wetmore - Tuckerman (1872: 80 as Synalissa texana Type), Egan (1978: 156 as Synalissa texana), Wetmore (1985: 246)
- Peltigera canina (L.) Willd. - Reese & Tucker (1970: 697), Egan (1978: 155)
- Peltigera collina (Ach.) Schrad. - Egan (1978: 155)
- Peltigera didactyla (With.) J. R. Laundon - Wetmore (1976: 307 as Peltigera canina var. spuria), Egan (1978: 155 as Peltigera spuria)
- Peltigera polydactylon (Neck.) Hoffm. - Egan (1978: 155)
- Peltigera rufescens (Weiss) Humb. - Reese & Tucker (1970: 697 as Peltigera canina var. rufescens), Wetmore (1976: 307 as Peltigera canina var. rufescens), Egan (1978: 155)
- Peltula bolanderi (Tuck.) Wetmore - Wetmore (1976: 308), Egan (1978: 155)
- Peltula euploca (Ach.) Poelt ex Pišút - Wetmore (1976: 308), Egan (1978: 155)
- Peltula michoacanensis (B. de Lesd.) Wetmore - Wetmore (1976: 308), Egan (1978: 155)
- Peltula obscurans (Nyl.) Gyeln. var. obscurans - Wetmore (1976: 308), Egan (1978: 155)
- Peltula obscurans (Nyl.) Gyeln. var. hassei (Zahlbr.) Wetmore - Wetmore (1976: 308)
- Peltula omphaliza (Nyl. in Eckfeldt) Wetmore - Wetmore (1976: 308), Egan (1978: 155)
- Peltula patellata (Bagl.) Swinscow & Krog - Wetmore (1976: 308 as Peltula polyspora), Egan (1978: 155 as Peltula polyspora)
- Peltula placodizans (Zahlbr.) Wetmore - Wetmore (1976: 308), Egan (1978: 155)
- Peltula radicata Nyl. - Wetmore (1976: 308), Egan (1978: 155)
- Peltula richardsii (Herre) Wetmore - Wetmore (1976: 309), Egan (1978: 155)
- Pertusaria hymenea (Ach.) Schaer. - Egan (1978: 155)
- Pertusaria leioplaca (Ach.) DC. - Reese & Tucker (1970: 698), Egan (1978: 155)
- Pertusaria pustulata (Ach.) Duby - Egan (1978: 155)
- Pertusaria texana Müll. Arg. - Müller Aargau (xx: xx Protologue), Egan (1978: 155) Type in Geneva, Switzerland G
- Pertusaria paratuberculifera Dibben - Reese & Tucker (1970: 698 erroneously as Pertusaria tuberculifera), Egan (1978: 155 erroneously as Pertusaria tuberculifera)
- Pertusaria xanthodes Müll. Arg. - Müller Aargau (xx: xx Protologue), Egan (1978: 155) Type
- Phaeographis dendritica (Ach.) Müll. Arg. - Reese & Tucker (1970: 697), Egan (1978: 155)
- Phaeophyscia ciliata (Hoffm.) Moberg - Reese & Tucker (1970: 699 as Physica ciliata), Egan (1978: 155 as Physica ciliata)
- Phaeophyscia hirsuta (Mereschk.) Essl. - Egan (1978: 155 as Physcia hirsuta)
- Phaeophyscia hispidula (Ach.) Essl. - Wetmore (1976: 310 as Physcia setosa), Egan (1978: 155 as Physcia hispidula)
- Phaeophyscia leana (Tuck.) Essl. - Egan (1978: 155 as Physcia leana)
- Phaeophyscia nigricans (Flörke) Moberg - Wetmore (1976: 310 as Physcia nigricans), Egan (1978: 155 as Physcia nigricans)
- Phaeophyscia orbicularis (Neck.) Moberg - Reese & Tucker (1970: 699 as Physcia ), Wetmore (1976: 310), Egan (1978: 155 as Physcia orbicularis)
- Phaeophyscia rubropulchra (Degel.) Essl. - Egan (1978: 155 as Physcia rubropulchra)
- Phaeophyscia squarrosa Kashiw. - Egan (1978: 155 as Physcia lacinulata)
- Porina nucula Ach. - Reese & Tucker (1970: 699)
- Phyllopsora parvifolia (Pers.) Müll. Arg. - Egan (1978: 153 as Lecidea parvifolia)
- Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Reese & Tucker (1970: 699), Wetmore (1976: 310), Egan (1978: 155)
- Physcia albinea (Ach.) Malbr. - Wetmore (1976: 310), Egan (1978: 155)
- Physcia americana G. Merr. - Reese & Tucker (1970: 699 erroneously as Physica tribacoides), Wetmore (1976: 310 erroneously as Physica tribacoides), Egan (1978: 155 erroneously as Physica tribacoides)
- Physcia biziana (A. Massal.) Zahlbr. - Egan (1978: 155)
- Physcia clementei (Sm.) Lynge - Egan (1978: 155)
- Physcia convexa Müll. Arg. - Wetmore (1976: 310), Egan (1978: 155)
- Physcia dubia (Hoffm.) Lettau - Wetmore (1976: 310), Egan (1978: 155), Egan (1978: 155 as Physcia intermedia)
- Physcia halei J. W. Thomson - Egan (1978: 155)
- Physcia mexicana B. de Lesd. - Wetmore (1976: 310), Egan (1978: 155)
- Physcia millegrana Degel. - Egan (1978: 155)
- Physcia phaea (Tuck.) J. W. Thomson - Wetmore (1976: 310 as Physcia callosa), Egan (1978: 155 as Physcia callosa)
- Physcia stellaris (L.) Nyl. - Wetmore (1976: 310), Egan (1978: 155)
- Physcia subtilis Degel. - Egan (1978: 155)
- Physcia subalbinea Räsänen - Wetmore (1976: 310 as Physcia wainioi), Egan (1978: 155 as Physcia wainioi)
- Physconia grisea (Lam.) Poelt - Wetmore (1976: 310 as Physcia grisea), Egan (1978: 155)
- Placidium arboreum (Schwein. ex E. Michener) Lendemer - Wetmore (1976: 303 as Dermatocarpon tuckermanii), Egan (1978: 152 as Dermatocarpon tuckermanii)
- Placidium lachneum (Ach.) B. de Lesd. - Egan (1978: 152 as Dermatocarpon lachneum)
- Placidium rufescens (Ach.) Breuss - Egan (1978: 152 as Dermatocarpon rufescens)
- Placidium squamulosum (Ach.) Breuss - Wetmore (1976: 303 as Dermatocarpon hepaticum), Egan (1978: 152 as Dermatocarpon hepaticum)
- Pleopsidium chlorophanum (Wahlenb.) Zopf - Egan (1978: 151 as Acarospora chlorophana), Egan (1978: 151 as Acarospora texana)
- Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Wetmore (1976: 312 as Xanthoria candelaria), Egan (1978: 157 as Xanthoria candelaria)
- Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Wetmore (1976: 312 as Xanthoria polycarpa), Egan (1978: 157 as Xanthoria polycarpa), Egan (1978: 157 as Xanthoria ramulosa)
- Polymeridium subcinereum (Nyl.) R. C. Harris - Egan (1978: 155 as Porina subcinerea)
- Porina nucula Ach. - Egan (1978: 155)
- Pseudevernia intensa (Nyl.) Hale & W. L. Culb. - Wetmore (1976: 311), Egan (1978: 155)
- Pseudoparmelia uleana (Müll. Arg.) Elix & T. H. Nash - Egan (1978: 155 as Pseudoparmelia sphaerospora)
- Psora crenata (Taylor) Reinke - Egan (1978: 153 as Lecidea coroniformis), Egan (1978: 153 as Lecidea crenata)
- Psora decipiens (Hedw.) Hoffm. - Egan (1978: 153 as Lecidea decipiens)
- Psora globifera (Ach.) A. Massal. - Egan (1978: 153 as Lecidea globifera)
- Psora icterica (Mont.) Müll. Arg. - Egan (1978: 153 as Lecidea icterica)
- Psora russellii (Tuck.) A. Schneid. - Egan (1978: 153 as Lecidea russellii)
- Psorula rufonigra (Tuck.) Gotth. Schneid. - Egan (1978: 153 as Lecidea rufonigra)
- Punctelia bolliana (Müll. Arg.) Krog - Wetmore (1976: 304 as Parmelia bolliana), Egan (1978: 154 as Parmelia bolliana)
- Punctelia hypoleucites (Nyl.) Krog - Wetmore (1976: 304 as Parmelia hypoleucites), Egan (1978: 154 as Parmelia hypoleucites)
- Punctelia perreticulata (Räsänen) G. Wilh. & Ladd - Wetmore (1976: 307 as Parmelia perreticulata), Egan (1978: 154 as Parmelia perreticulata)
- Punctelia rudecta (Ach.) Krog - Reese & Tucker (1970: 698 as Parmelia rudecta), Egan (1978: 154 as Parmelia rudecta)
- Punctelia subpraesignis (Nyl.) Krog - Egan (1978: 154 as Parmelia subpraesignis)
- Pyrenopsis viridirufa (Tuck.) Tuck. - Tuckerman (xx: xx as Synalissa viridirufa Type), Egan (1978: 155)
- Pyrenula aspistea (Afzel. ex Ach.) Ach. - Reese & Tucker (1970: 699), Egan (1978: 156)
- Pyrenula cruenta (Mont.) Vain. - Reese & Tucker (1970: 699 as Melanotheca cruenta), Egan (1978: 154 as Melanotheca cruenta)
- Pyrenula mamillana (Ach.) Trevis. - Reese & Tucker (1970: 699), Egan (1978: 156)
- Pyrenula microcarpa Müll. Arg. - Tucker & Harris (1980: 16 as Pyrenula texana Type in FH-TUCK)
- Pyrenula pyrenuloides (Mont.) R. C. Harris - Egan (1978: 151 as Anthracothecium pyrenuloides)
- Pyxine caesiopruinosa (Tuck.) Imshaug - Egan (1978: 156)
- Pyxine sorediata (Ach.) Mont. - Egan (1978: 156 as Pyxine eschweileri), Egan (1978: 156)
- Ramalina ahtii Kashiw. & T. H. Nash - Kashiwadani & Nash (1997: 88)
- Ramalina complanata (Sw.) Ach. - Wetmore (1976: 311), Egan (1978: 156)
- Ramalina denticulata (Eschw.) Nyl. - Egan (1978: 156)
- Ramalina farinacea (L.) Ach. - Egan (1978: 156)
- Ramalina americana Hale - Egan (1978: 156 erroneously as Ramalina fastigiata)
- Ramalina fraxinea (L.) Ach. - Egan (1978: 156)
- Ramalina montagnei De Not. - Egan (1978: 156)
- Ramalina peruviana Ach. - Egan (1978: 156)
- Ramalina pollinaria (Westr.) Ach. - Wetmore (1976: 311), Egan (1978: 156)
- Ramalina sinensis Jatta - Wetmore (1976: 311), Egan (1978: 156)
- Ramalina sorediantha Nyl. - Egan (1978: 156)
- Ramalina stenospora Müll. Arg. - Egan (1978: 156)
- Ramalina tenuis (Tuck.) Merr. - Egan (1978: 156)
- Ramalina unifolia J. W. Thomson - Thomson (1990: 341)
- Ramalina usnea (L.) Howe - Egan (1978: 156)
- Ramalina willeyi Howe - Egan (1978: 156)
- Reimnitzia santensis (Tuck.) Kalb - Reese & Tucker (1970: 697 as Leptotrema heterosporum), Egan (1978: 154 as Leptotrema santense), Egan (1978: 154 as Leptotrema heterosporum)
- Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Egan (1978: 156)
- Rhizoplaca chrysoleuca (Sm.) Zopf - Egan (1978: 153 as Lecanora chrysoleuca)
- Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Egan (1978: 153 as Lecanora melanophthalma)
- Rhizoplaca peltata (Ram.) Leuckert & Poelt - Egan (1978: 153 as Lecanora peltata)
- Rinodina bischoffii (Hepp) A. Massal. - Egan (1978: 156)
- Rinodina exigua (Ach.) S. Gray - Egan (1978: 156)
- Rinodina maculans Magn. - Reese & Tucker (1970: 699 as Rinodina applanata), Egan (1978: 156 as Rinodina applanata)
- Roccella decipiens Darb. - Egan (1978: 156 as Roccella babingtonii), Galloway et al. (1996: 76 as Roccella babingtonii)
- Rostania callibotrys (Tuck.) Otálora, P. M. Jørg. & Wedin - Egan (1978: 152 as Collema callibotrys)
- Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Egan (1978: 157 as Xanthoria elegans)
- Sanguinotrema wightii (Taylor) Lücking - Reese & Tucker (1970: 697 as Leptotrema ravenelii), Egan (1978: 154 as Leptotrema ravenelii), Egan (1978: 154 as Leptotrema wightii)
- Sarcographa tricosa (Ach.) Müll. Arg. - Egan (1978: 156)
- Sarcogyne arenosa H. Magn. - Egan (1978: 156 as Sarcogyne bolleana)
- Sarcogyne clavus (Ram.) Kremp. - Egan (1978: 156)
- Sarcogyne regularis Körb. - Egan (1978: 156)
- Scytinium juniperinum (Tuck.) Otálora, P.M. Jørg. & Wedin - Egan (1978: 153 as Leptogium juniperinum)
- Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Wetmore (1976: 304 as Leptogium lichenoides), Egan (1978: 153 as Leptogium lichenoides)
- Scytinium platynum (Tuck.) Otálora, P. M. Jørg. & Wedin - Egan (1978: 154 as Leptogium platynum)
- Scytinium plicatile (Ach.) Otálora, P. M. Jørg. & Wedin - Egan (1978: 154 as Leptogium plicatile)
- Speerschneidera euploca (Tuck.) Trev. - Tuckerman (1858: 424 as Physcia euploca Type in FH), Trevisan (1861: 52), Egan (1978: 156), Hafellner & Egan (1981: 22)
- Sticta beauvoisii Delise - McDonald (2003: 72)
- Strigula complanata (Fée) Mont. - Egan (1978: 156)
- Strigula smaragdula Fr.: Fr. - Egan (1978: 156 as Strigula elegans)
- Syncesia graphica (Fr.) Tehler - Egan (1978: 152 as Chiodecton perplexum)
- Synalissa symphorea (Ach.) Nyl. - Wetmore (1976: 311), Egan (1978: 156)
- Teloschistes chrysophthalmus (L.) Th. Fr. - Wetmore (1976: 311), Egan (1978: 156)
- Teloschistes exilis (Michx.) Vain. - Egan (1978: 156)
- Teloschistes flavicans (Sw.) Norm. - Wetmore (1976: 311), Egan (1978: 156)
- Tephromela atra (Hudson) Hafellner - Egan (1978: 153 as Lecanora atra)
- Thallinocarpon nigritellum (Lettau) P. M. Jørg. - Wetmore (1976: 312 as Thyrea nigritella), Egan (1978: 156 as Thyrea nigritella)
- Thelotrema monospermum R. C. Harris - Reese & Tucker (1970: 697 erroneously as Leptotrema monosporum), Egan (1978: 154 erroneously as Leptotrema monosporum)
- Thelotrema subtile Tuck. - Egan (1978: 154 as Ocellularia subtilis)
- Thelotrema lepadinum (Ach.) Ach. - Egan (1978: 156)
- Thyrea confusa (Schaer.) A. Massal. - Wetmore (1976: 312 erroneously as Thyrea pulvinata), Egan (1978: 156 erroneously as Thyrea pulvinata)
- Trinathotrema stictideum (Nyl.) Vezda - Egan (1978: 154 as Ocellularia stictidea)
- Trypethelium ochroleucum (Eschw.) Nyl. - Egan (1978: 156 as Trypethelium pallescens)
- Trypethelium tropicum (Ach.) Müll. Arg. - Egan (1978: 156)
- Trypethelium virens Tuck. ex E. Michener - Reese & Tucker (1970: 699)m Egan (1978: 156)
- Tuckermanella coralligera (W. A. Weber) Essl. - Wetmore (1976: 302 as Cetraria coralligera), Egan (1978: 152 as Cetraria coralligera)
- Tuckermanella fendleri (Nyl.) Essl. - Wetmore (1976: 302 as Cetraria fendleri), Egan (1978: 152 as Cetraria fendleri)
- Umbilicaria vellea (L.) Ach. - Wetmore (1976: 312), Egan (1978: 156)
- Usnea amblyoclada (Müll. Arg.) Zahlbr. - Clerc & Herrera-Campos (1997: 287)
- Usnea angulata Ach. - Egan (1978: 156)
- Usnea baileyi (Stirt.) Zahlbr. - Egan (1978: 156 as Usnea antillarum)
- Usnea intermedia (A. Massal.) Jatta - Wetmore (1976: 312 as Usnea arizonica), Egan (1978: 156 as Usnea arizonica)
- Usnea cavernosa Tuck. - Egan (1978: 156)
- Usnea cirrosa Mot. - Wetmore (1976: 312), Egan (1978: 156)
- Usnea dasypoga (Ach.) Röhl - Egan (1978: 156)
- Usnea diplotypus Vain. - Wetmore (1976: 312), Egan (1978: 156)
- Usnea florida (L.) Wigg. - Egan (1978: 156)
- Usnea hirta (L.) Weber ex F. H. Wigg. - Wetmore (1976: 312), Egan (1978: 156)
- Usnea mutabilis Stirt. - Egan (1978: 156)
- Usnea strigosa (Ach.) A. Eat. subsp. rubiginea (Michx.) A. Massal. - Egan (1978: 156 as Usnea rubiginea)
- Usnea strigosa (Ach.) A. Eat. subsp. strigosa - Egan (1978: 156)
- Usnea subfloridana Stirt. - Wetmore (1976: 312), Egan (1978: 156)
- Usnea trichodea Ach. - Egan (1978: 156)
- Vahliella leucophaea (Vahl) P. M. Jørg. - Egan (1978: 154 as Pannaria microphylla)
- Varicellaria velata (Turner) I. Schmitt & Lumbsch - Reese & Tucker (1970: 698 as Pertusaria velata), Egan (1978: 155 as Pertusaria velata)
- Verrucaria muralis Ach. - Egan (1978: 156)
- Vulpicida viridis (Schwein.) J.-E. Mattsson & M. J. Lai - Egan (1978: 152 as Cetraria viridis)
- Wetmoreana texana (Wetmore & Kärnefelt) Arup, Søchting & Frödén - Wetmore & Kärnefelt (1998: 247 Type)
- Xanthomendoza fallax (Hepp) Söchting, Kärnefelt & S. Kondr. - Wetmore (1976: 312 as Xanthoria fallax), Egan (1978: 157 as Xanthoria fallax)
- Xanthoparmelia arida Egan & Derstine - Egan (1978: 157 erroneously as Xanthoparmelia lecanorica), Egan & Derstine (1978: 607 Type in Washington, USA US)
- Xanthoparmelia barbatica (Elix) Egan - Elix (xx: xx Type), Egan (1982: 129)
- Xanthoparmelia chiricahuensis (R. Anderson & W. Web.) O. Blanco et al. - Egan (1978: 154 as Parmelia chiricahuensis)
- Xanthoparmelia coloradoensis (Gyelnik) Hale - Wetmore (1976: 307 erroneously as Xanthoparmelia taractica), Egan (1978: 157 erroneously as Xanthoparmelia taractica)
- Xanthoparmelia conspersa (Ach.) Hale - Reese & Tucker (1970: 698 as Parmelia conspersa), Wetmore (1976: 304 as Parmelia conspersa), Egan (1978: 156)
- Xanthoparmelia cumberlandia (Gyeln.) Hale - Egan (1978: 156)
- Xanthoparmelia dierythra (Hale) Hale - Wetmore (1976: 304 as Parmelia dierythra), Egan (1978: 156)
- Xanthoparmelia eganii Elix & Nash - Elix & Nash (1999: 419 Type in Herb. Egan)
- Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer - Wetmore (1976: 307 erroneously as Parmelia tasmanica), Egan (1978: 157 erroneously as Xanthoparmelia tasmanica)
- Xanthoparmelia hypomelaena (Hale) Hale - Egan (1978: 157)
- Xanthoparmelia lavicola (Hale) Hale - Wetmore (1976: 304 as Parmelia kurokawae), Egan (1978: 157 as Xanthoparmelia kurokawae)
- Xanthoparmelia lineola (E. C. Berry) Hale - Wetmore (1976: 304 as Parmelia lineola), Egan (1978: 157)
- Xanthoparmelia maricopensis Nash & Elix - Nash & Elix (1986: 454)
- Xanthoparmelia mexicana (Gyeln.) Hale - Egan (1978: 157)
- Xanthoparmelia novomexicana (Gyeln.) Hale - Wetmore (1976: 307 as Parmelia novomexicana), Egan (1978: 157)
- Xanthoparmelia plittii (Gyeln.) Hale - Egan (1978: 157)
- Xanthoparmelia psoromifera (Kurok.) Hale - Wetmore (1976: 307 as Parmelia psoromifera), Egan (1978: 157)
- Xanthoparmelia subramigera (Gyeln.) Hale - Egan (1978: 157)
- Xanthoparmelia tucsonensis (T. H. Nash) Egan - Egan (1978: 157)
- Xanthoparmelia weberi (Hale) Hale - Egan (1978: 157)
- Xanthopsorella texana (W. A. Weber) Kalb & Hafellner - Egan (1978: 153 as Lecanora texana), Egan (1978: 153 as Psora texana)
- Xanthoria parietina (L.) Th. Fr. - Egan (1978: 157)