Checklist of lichens of New Mexico (USA)
31 December 2018

 

  1. Acarospora americana H. Magn. - Magnusson (1930: 65 as Acarospora superfusa Type destroyed Isotype in Uppsala, Sweden UPS), Egan (1972: 9), Egan (1972: 9 as Acarospora cinereoalba), Egan (1972: 10 as Acarospora superfusa), Egan (2002: 41), Egan (2002: 41 as Acarospora cinereoalba), Egan (2002: 42 as Acarospora superfusa)
  2. Acarospora badiofusca (Nyl.) Th. Fr. - Egan (1972: 9), Thomson (1997: ), Egan (2002: 41)
  3. Acarospora citrina (Taylor) Zahlbr. - Egan (2002: 41)
  4. Acarospora clauzadeana (Llimona) Casares & Hafellner - Weber & Nash (1992: xxx), Egan (2002: 41)
  5. Acarospora fuscata (Schrad.) Arnold - Egan (1972: 9), Nash et al. (1977: ), Marsh & Nash (1979: ), Brodo et al. (2001: ), Egan (2002: 41)
  6. Acarospora fuscescens H. Magn. - Egan (2002: 41), Knudsen (2008: 83)
  7. Acarospora gallica H. Magn. var. devastata (Eitner) H. Magn. - Egan (1972: 9)
  8. Acarospora heufleriana Körb. - Egan (2002: 41)
  9. Acarospora interjecta H. Magn. - Egan (1972: 9), Egan (2002: 41)
  10. Acarospora interspersa H. Magn. - Egan (1972: 9), Egan (2002: 42)
  11. Acarospora janae K. Knudsen - Lumbsch et al. (2011: 11 Type in FH)
  12. Acarospora obpallens H. Magn. - Egan (1972: 9 as Acarospora instrata), Egan (1972: 10 as Acarospora tucsonensis), Egan (2002: 41 as Acarospora instrata), Egan (2002: 42 as Acarospora tucsonensis)
  13. Acarospora oligospora (Nyl.) Arnold - Egan (2002: 42)
  14. Acarospora schleicheri (Ach.) A. Massal. - Egan (1972: 10), Egan (1972: 10 as Acarospora subcontigua), Nash et al. (1977: xx), Marsh & Nash (1979: xx), Czeczuga & Worthington (1997: xx), Egan (2002: 42)
  15. Acarospora scotica Hue - Egan (1972: 10), Egan (2002: 42)
  16. Acarospora socialis H. Magn. - Egan (2002: 42 as Acarospora radicata)
  17. Acarospora sparsa H. Magn. - Egan (1972: 10), Egan (2002: 42)
  18. Acarospora strigata (Nyl.) Jatta - Egan (1972: 10 as Acarospora peltastica), Egan (1972: 10), Nash et al. (1977: xx), Marsh & Nash (1979: xx), Brodo et al. (2001: xx), Egan (2002: 42 as Acarospora peltastica)Egan (2002: 42)
  19. Acarospora succedens H. Magn. - Egan (1972: 10), Egan (2002: 42)
  20. Acarospora thamnina (Tuck.) Herre - Egan (1972: 9 as Acarospora interposita), Egan (2002: 42 as Acarospora interposita)
  21. Acarospora tongletii H. Magn. - Egan (1972: 10 as Acarospora variegata), Egan (2002: 42)
  22. Acarospora veronensis A. Massal. - Magnusson (1930: 64 as Acarospora applanata Type), Egan (1972: 9 as Acarospora applanata), Egan (1972: 10 as Acarospora tenebrica), Egan (2002: 42), Egan (2002: 41 as Acarospora applanata), Egan (2002: 42 as Acarospora tenebrica), Egan (1972: 10)

  23. Alectoria nigricans (Ach.) Nyl. - Egan (1972: 10), Brodo & Hawksworth (1977: xx), Thomson (1984: xx), McCune & Goward (1995: xx), Goward (1999: xx), Brodo et al. (2001: xx), Egan (2002: 42)

  24. Allocetraria madreporiformis (Ach.) Kärnefelt & A. Thell - Egan (1972: 15 as Dactylina madreporiformis), McCune & Goward (1995: xx), Goward (1999: xx), Brodo et al. (2001: xx), Egan (2002: 42)

  25. Amandinea dakotensis (H. Magn.) P. May & Sheard - Sheard & May (1997: xx), Egan (2002: 42)
  26. Amandinea punctata (Hoffm.) Coppins & Scheid. - Marsh & Nash (1979: xx), Egan (2002: 42)

  27. Arthonia exilis (Flörke) Anzi - Egan (1972: 10), Egan (2002: 42)
  28. Arthonia glebosa Tuck. - Egan (1972: 11), Egan (2002: 42)
  29. Arthonia radiata (Pers.) Ach. - Egan (2002: 42)

  30. Arthrorhaphis alpina (Schaer.) R. Sant. - Egan (1972: 11 as Arthrorhaphis citrinella var. alpina), Egan (2002: 42)

  31. Aspicilia albomarginata B. de Lesd. - Egan (2002: 42)
  32. Aspicilia americana B. de Lesd. - B. de Lesdain (1932: 117 Protologue), Egan (1972: 17 as Lecanora americana), Egan (2002: 42), Owe-Larsson et al. (2007: 65 Lectotype in Cambridge, Massachusetts, USA FH)
  33. Aspicilia cinerea (L.) Körb. - Egan (1972: 17 as Lecanora cinerea)
  34. Aspicilia laevata (Ach.) Arnold - Egan (1972: 18 as Lecanora laevata)

  35. Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Egan (1972: 12 as Caloplaca holocarpa)
  36. Athallia vitellinula (Nyl.) Arup, Frödén & Søchting - Egan (1972: 13 as Caloplaca vitellinula)

  37. Bacidia brouardii (B. de Lesd.) Zahlbr. - Egan (1972: 11)

  38. Baeomyces rufus (Huds.) Rebent. - Egan (1972: 11)

  39. Bagliettoa calciseda (DC.) Gueidan & Cl. Roux - Egan (1972: 30 as Verrucaria calciseda)

  40. Biatora vernalis (L.) Ach. - Egan (1972: 20 as Lecidea vernalis)

  41. Bibbya ruginosa (Tuck.) Kistenich, Timdal, Bendiksby & S. Ekman - Egan (1972: 29 as Toninia ruginosa subsp. ruginosa)

  42. Bilimbia lobulata (Somm.) Lynge - Egan (1972: 29 as Toninia lobulata)
  43. Bilimbia sabuletorum (Schreb.) Arnold - Egan (1972: 11 as Bacidia sabuletorum)

  44. Blastenia ammiospila (Th. Fr.) Oliv. - Egan (1972: 12 as Caloplaca cinnamomea)
  45. Blastenia ferruginea (Huds.) Th. Fr. - Egan (1972: 12 as Caloplaca ferruginea)
  46. Blastenia furfuracea H. Magn. - Wetmore (2004: 289 as Caloplaca furfuracea)

  47. Blennothallia crispa (Huds.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema crispum)

  48. Brodoa oroarctica (Krog) Goward - Egan (1972: 17 erroneously as Hypogymnia intestiniformis)

  49. Brownliella cinnabarina (Ach.) S. Y. Kondr., Kärnefelt, A. Thell, Elix, Jung Kim, A. S. Kondr. & Hur - Egan (1972: 12 as Caloplaca cinnabarina), Egan (1972: 12 as Caloplaca intermedia)

  50. Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Egan (1972: 12 as Caloplaca jungermanniae)

  51. Bryobilimbia hypnorum (Wulf.) Ach. - Egan (1972: 19 as Lecidea sanguineoatra)

  52. Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Egan (1972: 10 as Alectoria chalybeiformis)
  53. Bryoria fremontii (Tuck.) Brodo & D. Hawksw. - Egan (1972: 10 as Alectoria fremontii)
  54. Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Egan (1972: 10 sub Alectoria nidulifera)

  55. Buellia calcariaecola B. de Lesd. - Egan (1972: 11)
  56. Buellia disciformis (Fr.) Mudd - Egan (1972: 11)
  57. Buellia dispersa A. Massal. - Egan (1972: 11 as Buellia retrovertens)
  58. Buellia jugorum (Arnold) Arnold - Egan (1972: 11), Anderson (1974: 42)
  59. Buellia lacteoidea B. de Lesd. - Egan (1972: 11)
  60. Buellia nantiana B. de Lesd. - Egan (1972: 11)
  61. Buellia tyrolensis Körb. - Egan (1972: 11 as Buellia novomexicana)
  62. Buellia sequax B. de Lesd. - Egan (1972: 11 as Buellia saxicola)
  63. Buellia concinna Tuck. - Egan (1972: 12 as Buellia semitensis)
  64. Buellia smaragdula B. de Lesd. - Egan (1972: 12)
  65. Buellia spuria (Schaer.) Anzi - Egan (1972: 12)
  66. Buellia vilis Th. Fr. - Egan (1972: 12)

  67. Seawardiella lobulata (Flörke) S. Y. Kondr., I. Kärnefelt & A. Thell - Egan (1972: 12 as Caloplaca lobulata)
  68. Calogaya saxicola (Hoffm.) Vondrák - Egan (1972: 12 as Caloplaca discernenda), Egan (1972: 12 as Caloplaca murorum)

  69. Caloplaca albovariegata (B. de Lesd.) Wetmore - Wetmore (1994: 816 Type in Uppsala, Sweden UPS)
  70. Caloplaca cerina (Hedw.) Th. Fr. - Egan (1972: 12), Egan (1972: 12 as Caloplaca stillicidiorum)
  71. Caloplaca dispersa B. de Lesd. - Egan (1972: 12)
  72. Caloplaca epithallina Lynge - Egan (1972: 12 on )
  73. Caloplaca fraudans (Th. Fr.) H. Olivier - Egan (1972: 12)
  74. Caloplaca rubelliana (Ach.) Lojka - Egan (1972: 12)
  75. Caloplaca sideritis (Tuck.) Zahlbr. - Egan (1972: 12)
  76. Caloplaca urceolata B. de Lesd. - Egan (1972: 12)
  77. Caloplaca wrightii (Will. ex Tuck.) Fink - Egan (1972: 13)

  78. Calvitimela armeniaca (DC.) Hafellner - Egan (1972: 18 sub Lecidea armeniaca)

  79. Candelaria concolor (Dicks.) B. Stein - Egan (1972: 13)
  80. Candelaria fibrosa (Fr.) Müll. Arg. - Egan (1972: 13)

  81. Candelariella aurella (Hoffm.) Zahlbr. - Egan (1972: 13)
  82. Candelariella citrina B. de Lesd. - Egan (1972: 13), Egan (1972: 13 as Candelariella terrigena)
  83. Candelariella rosulans (Müll. Arg.) Zahlbr. - Egan (1972: 13)
  84. Candelariella subdeflexa (Nyl.) Lett. - Egan (1972: 13)
  85. Candelariella vitellina (Ehrh.) Müll. Arg. - Egan (1972: 13)
  86. Candelariella xanthostigma (Ach.) Lett. - Egan (1972: 13)

  87. Candelina submexicana (B. de Lesd.) Poelt - Egan (1972: 13 as Candelariella submexicana)

  88. Carbonea vorticosa (Flörke) Körb. - Egan (1972: 20 as Lecidea vorticosa)

  89. Catapyrenium cinereum (Pers.) Th. Fr. - Egan (1972: 15 as Dermatocarpon cinereum)

  90. Catapyrenium daedaleum (Kremp.) Th. Fr. - Egan (1972: 15 as Dermatocarpon daedaleum)
  91. Catapyrenium granulosum (B. de Lesd.) J. W. Thomson - Egan (1972: 15 as Endopyrenium crustaceum), Egan (1972: 15 as Dermatocarpon granulosum)
  92. Catapyrenium squamellum (Nyl.) Herre - Egan (1972: 16 as Dermatocarpon squamellum)

  93. Cetraria aculeata (Schreb.) Fr. - Egan (1972: 15 sub Cornicularia aculeata)
  94. Cetraria ericetorum Opiz subsp. ericetorum - Egan (1972: 13)
  95. Cetraria islandica (L.) Ach. - Egan (1972: 13)

  96. Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, Savic & Tibell - Egan (1972: 17 as Lecanora caesiocinerea), Marsh & Nash (1979: xx as Aspicilia caesiocinerea), Egan (2002: 42 as Aspicilia caesiocinerea)
  97. Circinaria calcarea (L.) A. Nordin, Savic & Tibell - Egan (1972: 17 as Lecanora calcarea)
  98. Circinaria elmorei (E. D. Rudolph) Owe-Larsson, A. Nordin & M. Sohrabi - Egan (1972: 17 as Lecanora elmorei)
  99. Circinaria gibbosa (Ach.) A. Nordin, Savic & Tibell - Egan (1972: 17 as Lecanora gibbosula)
  100. Circinaria hispida (Mereschk.) A. Nordin, Savic & Tibell - Egan (1972: 10 as Agrestia hispida), Hale (1979: xx as Agrestia hispida), Goward (1999: xx as Agrestia hispida), Brodo et al. (2001: xx as Agrestia hispida), Egan (2002: 42 as Agrestia hispida)

  101. Cladonia bacillaris (Ach.) Nyl. - Egan (1972: 13)
  102. Cladonia cariosa (Ach.) Spreng. - Egan (1972: 13)
  103. Cladonia chlorophaea (Flörke ex Somm.) Spreng. - Egan (1972: 13)
  104. Cladonia coccifera (L.) Willd. - Egan (1972: 13)
  105. Cladonia coniocraea (Flörke) Spreng. - Egan (1972: 13)
  106. Cladonia deformis (L.) Hoffm. - Egan (1972: 13)
  107. Cladonia didyma (Fée) Vain. - Egan (1972: 14)
  108. Cladonia digitata (L.) Hoffm. var. brachytes (Ach.) Vain. - Egan (1972: 14)
  109. Cladonia ecmocyna (Ach.) Nyl. subsp. ecmocyna - Egan (1972: 14)
  110. Cladonia fimbriata (Huds.) Willd. - Egan (1972: 14), Egan (1972: 14 as Cladonia major)
  111. Cladonia furcata (Huds.) Schrad. - Egan (1972: 14)
  112. Cladonia gracilis (L.) Willd. - Egan (1972: 14)
  113. Cladonia macilenta Hoffm. - Egan (1972: 14)
  114. Cladonia mateocyatha Robb. - Egan (1972: 14)
  115. Cladonia multiformis Merr. - Egan (1972: 14)
  116. Cladonia ochrochlora Flörke - Egan (1972: 14)
  117. Cladonia phyllophora Hoffm. - Egan (1972: 14)
  118. Cladonia pocillum (Ach.) O. J. Rich. - Egan (1972: 14)
  119. Cladonia pyxidata (L.) Hoffm. - Egan (1972: 14)
  120. Cladonia rei Schaer. - Egan (1972: 14 as Cladonia nemoxyna)
  121. Cladonia strepsilis (Ach.) Grognot - Egan (1972: 14)
  122. Cladonia subulata (L.) F. H. Wigg. - Egan (1972: 14)
  123. Cladonia verticillata (Hoffm.) Schaer. - Egan (1972: 14)

  124. Coccocarpia erythroxyli (Spreng.) Swinscow & Krog - Egan (1972: 14 as Coccocarpia parmelioides)

  125. Collema flaccidum (Ach.) Ach. - Egan (1972: 15)
  126. Collema furfuraceum (Schaer.) Du Rietz - Egan (1972: 15)
  127. Collema nigrescens (Huds.) DC. - Egan (1972: 15)

  128. Collemopsidium halodytes (Nyl.) Grube & B. D. Ryan - Egan (1972: 11 as Arthopyrenia halodytes)

  129. Dermatocarpon americanum Vain. - Heiðmarsson (2003: 466)
  130. Dermatocarpon luridum (With.) J. R. Laundon - Egan (1972: 15 as Dermatocarpon fluviatile)
  131. Dermatocarpon miniatum (L.) W. Mann - Egan (1972: 15)
  132. Dermatocarpon moulinsii (Mont.) Zahlbr. - Egan (1972: 15)
  133. Dermatocarpon reticulatum H. Magn. - Egan (1972: 15)

  134. Dimelaena oreina (Ach.) Norman - Egan (1972: 27 as Rinodina novomexicana), Egan (1972: 27 as Rinodina oreina), Egan (1972: 27 as Rinodina suboreina)

  135. Diploschistes actinostomus (Ach.) Zahlbr. - Egan (1972: 16)
  136. Diploschistes muscorum (Scop.) R. Sant. subsp. muscorum - Egan (1972: 16 as Diploschistes bryophilus)
  137. Diploschistes scruposus (Schreb.) Norm. - Egan (1972: 16)

  138. Diplotomma alboatrum (Hoffm.) Flot. - Egan (1972: 11 as Buellia alboatra)

  139. Enchylium coccophorum (Tuck.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema coccophorum), Egan (1972: 15 as Collema novomexicanum), Egan (1972: 15 as Collema dubium)
  140. Enchylium conglomeratum (Hoffm.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema conglomeratum)
  141. Enchylium tenax (Sw.) Gray - Egan (1972: 15 as Collema tenax)

  142. Endocarpon adscendens (Anzi) Müll. Arg. - Egan (1972: 16)
  143. Endocarpon pusillum Hedw. - Egan (1972: 16)

  144. Ephebe lanata (L.) Vain. - Egan (1972: 16)

  145. Euopsis pulvinata (Schaer.) Nyl. - Egan (1972: 26 as Pyrenopsis pulvinata)

  146. Evernia divaricata (L.) Ach. - Egan (1972: 16)

  147. Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Egan (1972: 13 as Cetraria cucullata)
  148. Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Egan (1972: 13 as Cetraria nivalis)
  149. Flavoparmelia caperata (L.) Hale - Egan (1972: 21 sub Parmelia caperata)

  150. Flavopunctelia flaventior (Stirt.) Hale - Egan (1972: 21 sub Parmelia flaventior)
  151. Flavopunctelia praesignis (Nyl.) Hale - Egan (1972: 22 sub Parmelia praesignis)

  152. Fuscopannaria leucosticta (Tuck.) Tuck. - Egan (1972: 21 as Pannaria leucosticta)
  153. Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Egan (1972: 23 as Parmeliella praetermissa)

  154. Gyalolechia flavovirescens (Wulf.) Søchting, Frödén & Arup - Egan (1972: 12 as Caloplaca flavovirescens)
  155. Gyalolechia fulgens (Sw.) Søchting, Frödén & Arup - Egan (1972: 16 as Fulgensia fulgens)

  156. Haematomma persoonii (Fée) A. Massal. - Egan (1972: 16 erroneously as Haematomma puniceum)

  157. Heppia lutosa (Ach.) Nyl. - Egan (1972: 17)

  158. Heterodermia diademata (Taylor) D. D. Awasthi - Egan (1972: 10 erroneously as Anaptychia wrightii)

  159. Heterodermia leucomela (L.) Poelt - Egan (1972: 10 as Anaptychia leucomela)
  160. Heterodermia obscurata (Nyl.) Trevisan - Egan (1972: 10 as Anaptychia hypoleuca)
  161. Heterodermia tropica (Kurok.) Sipman - Egan (1972: 10 as Anaptychia tropica)
  162. Hyperphyscia adglutinata (Sm.) A. L. Sm. - Egan (1972: 24 as Physcia elaeina)
  163. Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Egan (1972: 19 as Lecidea scalaris)

  164. Hypogymnia austerodes (Nyl.) Räsänen - Egan (1972: 17)
  165. Hypogymnia bitteri (Lynge) Ahti - Egan (1972: 17)
  166. Hypogymnia farinacea Zopf - Egan (1972: 17 as Hypogymnia bitteriana)
  167. Hypogymnia physodes (L.) Nyl. - Egan (1972: 17)
  168. Hypogymnia subobscurata (Vain.) Poelt - Egan (1972: 17)

  169. Hypotrachyna pulvinata (Fée) Hale - Egan (1972: 22 sub Parmelia pulvinata)
  170. Hypotrachyna revoluta (Flörke) Hale - Egan (1972: 22 sub Parmelia revoluta)

  171. Icmadophila ericetorum (L.) Zahlbr. - Egan (1972: 17)

  172. Imshaugia aleurites (Ach.) S. F. Meyer - Egan (1972: 23 as Parmeliopsis aleurites)
  173. Imshaugia placorodia (Ach.) S. F. Meyer - Egan (1972: 23 as Parmeliopsis placorodia)

  174. Involucropyrenium waltheri (Kremp.) Breuss - Egan (1972: 16 as Dermatocarpon waltheri), Anderson (1974: 42 as Dermatocarpon waltheri)

  175. Lambiella insularis (Nyl.) T. Sprib. - Egan (1972: 19 as Lecidea insularis)

  176. Lasallia papulosa (Ach.) Llano - Egan (1972: 17)
  177. Lasallia pensylvanica (Hoffm.) Llano - Egan (1972: 17)

  178. Lathagrium cristatum (L.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema granuliferum)
  179. Lathagrium fuscovirens (With.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema "tunaeforme")

  180. Lecania rabenhorstii (Hepp) Arnold - Egan (1972: 17 as Lecania erysibe var. rabenhorstii)
  181. Lecania subcaesia (Nyl.) B. de Lesd. - Egan (1972: 17)

  182. Lecanora argopholis (Ach.) Ach. - Egan (1972: 17 as Lecanora frustulosa var. argopholis)
  183. Lecanora caesiorubella Ach. subsp. saximontana Imshaug & Brodo - Egan (1972: 17)
  184. Lecanora carpinea (L.) Vain. - Egan (1972: 17)
  185. Lecanora cenisia Ach. - Egan (1972: 17)
  186. Lecanora circumborealis Brodo & Vitik. - Egan (1972: 17 as Lecanora coilocarpa)
  187. Lecanora coniferarum Printzen - Printzen (2001: 393 Protologue) Type in ASU
  188. Lecanora epibryon (Ach.) Ach. - Egan (1972: 17)
  189. Lecanora glabrata (Ach.) Malme - Egan (1972: 17)
  190. Lecanora horiza (Ach.) Röhl. - Egan (1972: 18 as Lecanora parisiensis)
  191. Lecanora impudens Degel. - Egan (1972: 17 erroneously as Lecanora chloropolia)
  192. Lecanora intricata (Ach.) Ach. - Egan (1972: 18 as Lecanora mutabilis)
  193. Lecanora marginata (Schaer.) Hertel & Rambold - Egan (1972: 19 as Lecidea marginata)
  194. Lecanora neoalbomarginata Gyeln. - Egan (1972: 18)
  195. Lecanora polytropa (Ehrh.) Rabenh. - Egan (1972: 18)
  196. Lecanora pringlei (Tuck.) Lamb. subsp. pringlei - Egan (1972: 18)
  197. Lecanora pringlei (Tuck.) Lamb. subsp. brandegei (Tuck.) Ryan - Egan (1972: 18 as Lecidea brandegei)
  198. Lecanora pulicaris (Pers.) Ach. - Egan (1972: 17 as Lecanora chlarona)
  199. Lecanora rupicola (L.) Zahlbr. - Egan (1972: 18)

  200. Lecidea atrobrunnea (DC.) Schaer. subsp. atrobrunnea - Egan (1972: 18)
  201. Lecidea auriculata Th. Fr. subsp. auriculata - Egan (1972: 18)
  202. Lecidea hassei Zahlbr. - Egan (1972: 19)
  203. Lecidea lapicida (Ach.) Ach. var. lapicida - Egan (1972: 19)
  204. Lecidea lithophila (Ach.) Ach. - Egan (1972: 19)
  205. Lecidea lyngei Degel. - Egan (1972: 19)
  206. Lecidea paupercula Th. Fr. - Egan (1972: 19)
  207. Lecidea plana (Lahm ex Körb.) Nyl. - Egan (1972: 19)
  208. Lecidea tessellata Flörke - Egan (1972: 19)
  209. Lecidella anomaloides (A. Massal.) Hertel & H. Kilias - Egan (1972: 19 as Lecidea goniophila auct.)
  210. Lecidella carpathica Körb. - Egan (1972: 19 as Lecidea latypiza)
  211. Lecidella elaeochroma (Ach.) M. Choisy - Egan (1972: 19 as Lecidea elaeochroma)
  212. Lecidella euphorea (Flörke) Hertel - Egan (1972: 19 as Lecidea glomerulosa)
  213. Lecidella patavina Vain. - Egan (1972: 18 as Lecidea alaiensis), Egan (1972: 19 as Lecidea endolithea)
  214. Lecidella stigmatea (Ach.) Hertel & Leuckert - Egan (1972: 19 as Lecidea stigmatea)
  215. Lecidella wulfenii (Hepp) Körb. - Egan (1972: 19 as Lecidea heppii)
  216. Lepraria albicans (Th. Fr.) Lendemer & Hodkinson - Egan (1972: 28 as Stereocaulon albicans)
  217. Lepraria vouauxii (Lynge) Wetm. - Egan (1972: 20 as Lepraria arctica)

  218. Leprocaulon americanum (Vill.) Frey - Egan (1972: 28 erroneously as Stereocaulon microscopicum)

  219. Leptogium arsenei Sierk - Egan (1972: 20)
  220. Leptogium austroamericanum (Malme) C. W. Dodge - Egan (1972: 20)
  221. Leptogium azureum (Sw. ex Ach.) Mont. - Egan (1972: 20)
  222. Leptogium burgessii (L.) Mont. - Egan (1972: 20 as Leptogium inflexum)
  223. Leptogium cyanescens (Rabenh.) Körb. - Egan (1972: 20)
  224. Leptogium denticulatum Nyl. - Egan (1972: 20)
  225. Leptogium hirsutum Sierk - Egan (1972: 20)
  226. Leptogium milligranum Sierk - Egan (1972: 20)
  227. Leptogium pseudofurfuraceum (Harm.) Sierk - Egan (1972: 20 erroneously as Leptogium furfuraceum)
  228. Leptogium saturninum (Dicks.) Nyl. - Egan (1972: 20)

  229. Lobaria quercizans Michx. - Egan (1972: 20)

  230. Lobothallia alphoplaca (Wahlenb. ex Ach.) Hafellner - Egan (1972: 17 as Lecanora alphoplaca)
  231. Lobothallia melanaspis (Ach.) Ach. - Egan (1972: 18 as Lecanora melanaspis)
  232. Lobothallia radiosa (Hoffm.) Hafellner - Egan (1972: 18 as Lecanora radiosa)

  233. Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Egan (1972: 18 as Lecanora verrucosa)

  234. Melanelia hepatizon (Ach.) A. Thell - Egan (1972: 13 as Cetraria hepatizon)

  235. Melanelixia subargentifera (Nyl.) O. Blanco et al. - Egan (1972: 22 sub Parmelia subargentifera)

  236. Melanohalea elegantula (Zahlbr.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Egan (1972: 21 sub Parmelia elegantula)
  237. Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Egan (1972: 21 sub Parmelia exasperata)
  238. Melanohalea exasperatula (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Egan (1972: 21 sub Parmelia exasperatula)
  239. Melanohalea infumata (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Egan (1972: 21 sub Parmelia infumata)
  240. Melanohalea subolivacea (Nyl. ex Hasse) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch - Egan (1972: 22 sub Parmelia subolivacea)

  241. Mobergia angelica (Stizenb.) H. Mayrhofer & Sheard - Egan (1972: 27 as Rinodina angelica)

  242. Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Egan (1972: 21 sub Parmelia disjuncta)
  243. Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Egan (1972: 22 sub Parmelia sorediosa Almb.)
  244. Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Egan (1972: 22 sub Parmelia substygia)

  245. Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Egan (1972: 18 as Lecidea berengeriana)

  246. Myriolecis dispersa (Pers.) Sliwa, Zhao Xin & Lumbsch - Egan (1972: 17 as Lecanora dispersa)

  247. Myriolecis hagenii (Ach.) Sliwa, Zhao Xin & Lumbsch - Egan (1972: 18 as Lecanora hagenii)

  248. Myriospora hassei (Herre) K. Knudsen & B. Abbott - Egan (1972: 10 as Acarospora particularis), Egan (2002: 42 as Acarospora particularis)
  249. Myriospora smaragdula (Wahlenb. ex Ach.) K. Knudsen & B. Abbott - Nash et al. (1977: xx as Acarospora smaragdula), Marsh & Nash (1979: xx as Acarospora smaragdula), Egan (2002: 42 as Acarospora smaragdula)

  250. Nephroma bellum (Spreng.) Tuck. - Egan (1972: 20)
  251. Nephroma helveticum Ach. subsp. helveticum - Egan (1972: 20)
  252. Nephroma parile (Ach.) Ach. - Egan (1972: 20)

  253. Niebla polymorpha Bowler, J. E. Marsh, T. H. Nash & Riefner - Egan (1972: 27 as Ramalina polymorpha)

  254. Normandina pulchella (Borrer) Nyl. - Egan (1972: 20)

  255. Ochrolechia frigida (Sw.) Lynge - Egan (1972: 20)
  256. Ochrolechia upsaliensis (L.) A. Massal. - Egan (1972: 20)

  257. Pannaria conoplea (Ach.) Bory - Egan (1972: 21 as Pannaria pityrea auct.)
  258. Pannaria rubiginosa (Thunb. ex Ach.) Delise - Egan (1972: 21)

  259. Parmelia fraudans (Nyl.) Nyl. - Egan (1972: 21)
  260. Parmelia saxatilis (L.) Ach. - Egan (1972: 22)
  261. Parmelia sulcata Taylor - Egan (1972: 22)

  262. Parmeliopsis ambigua (Wulf.) Nyl. - Egan (1972: 23)
  263. Parmeliopsis hyperopta (Ach.) Arnold - Egan (1972: 23)

  264. Parmotrema chinense (Osbeck) Hale & Ahti - Egan (1972: 22 sub Parmelia perlata)
  265. Parmotrema crinitum (Ach.) M. Choisy - Egan (1972: 21 sub Parmelia crinita)
  266. Parmotrema reticulatum (Taylor) M. Choisy - Egan (1972: 22 sub Parmelia reticulata)

  267. Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - Egan (1972: 12 as Caloplaca tiroliensis)

  268. Paulia pyrenoides (Nyl.) Henssen - Egan (1972: 29 as Thyrea pyrenoides)

  269. Peccania kansana (Tuck.) Forssell - Egan (1972: 23)
  270. Peccania subnigra (B. de Lesd.) Wetmore - Egan (1972: 28 as Synalissa subnigra)

  271. Peltigera aphthosa (L.) Willd. - Egan (1972: 23)
  272. Peltigera canina (L.) Willd. - Egan (1972: 23)
  273. Peltigera collina (Ach.) Ach. - Egan (1972: 23)
  274. Peltigera didactyla (With.) J. R. Laundon - Egan (1972: 24 as Peltigera spuria)
  275. Peltigera horizontalis (Huds.) Baumg. - Egan (1972: 23)
  276. Peltigera lepidophora (Nyl.) Vain. - Egan (1972: 23)
  277. Peltigera malacea (Ach.) Funck - Egan (1972: 23)
  278. Peltigera polydactylon (Neck.) Hoffm. - Egan (1972: 24)
  279. Peltigera praetextata (Flörke ex Somm.) Vain. - Egan (1972: 24)
  280. Peltigera venosa (L.) Baumg. - Egan (1972: 24)

  281. Peltula bolanderi (Tuck.) Wetmore - Egan (1972: 24)

  282. Peltula euploca (Ach.) Poelt ex Pišút - Egan (1972: 24)
  283. Peltula obscurans (Nyl.) Gyeln. var. deserticola (Zahlbr.) Wetmore - Egan (1972: 24)
  284. Peltula richardsii (Herre) Wetmore - Egan (1972: 24)

  285. Phaeophyscia ciliata (Hoffm.) Moberg - Egan (1972: 24 sub Physcia ciliata)
  286. Phaeophyscia constipata (Norrlin & Nyl.) Moberg - Egan (1972: 24 sub Physcia constipata)
  287. Phaeophyscia endococcina (Körb.) Moberg - Egan (1972: 24 sub Physcia endococcina)
  288. Phaeophyscia hispidula (Ach.) Essl. - Egan (1972: 25 as Physcia setosa)
  289. Phaeophyscia nigricans (Flörke) Stizenb. - Egan (1972: 25 as Physcia nigricans)
  290. Phaeophyscia orbicularis (Neck.) Moberg - Egan (1972: 25 sub Physcia orbicularis)
  291. Phaeophyscia sciastra (Ach.) Moberg - Egan (1972: 25 sub Physcia sciastra)

  292. Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Egan (1972: 27 as Rinodina nimbosa)

  293. Physcia adscendens H. Olivier - Egan (1972: 24)
  294. Physcia aipolia (Ehrh. ex Humb.) Fürnr. var. aipolia - Egan (1972: 24)
  295. Physcia albinea (Ach.) Malbr. - Egan (1972: 24)
  296. Physcia biziana (A. Massal.) Zahlbr. - Egan (1972: 24)
  297. Physcia caesia (Hoffm.) Hampe ex Fürnr. - Egan (1972: 24)
  298. Physcia dubia (Hoffm.) Lettau - Egan (1972: 25 as Physcia intermedia)
  299. Physcia leptalea (Ach.) DC. - Egan (1972: 25)
  300. Physcia montana B. de Lesd. - Egan (1972: 25)
  301. Physcia phaea (Tuck.) Thomson - Egan (1972: 24 as Physcia callosa), Egan (1972: 24 as Physcia cascadensis), Egan (1972: 25)
  302. Physcia stellaris (L.) Nyl. - Egan (1972: 25)
  303. Physcia subtilis Degel. - Egan (1972: 25)
  304. Physcia tenella (Scop.) DC. - Egan (1972: 25)
  305. Physcia tribacia (Ach.) Nyl. - Egan (1972: 25)

  306. Physconia muscigena (Ach.) Poelt - Egan (1972: 25 sub Physcia muscigena)

  307. Physma cataractaecola B. de Lesd. - Egan (1972: 25)

  308. Placidium acarosporoides (Zahlbr.) Breuss - Egan (1972: 15 as Dermatocarpon novomexicanum), Egan (1972: 15 as Endopyrenium bajadanae)
  309. Placidium lachneum (Ach.) A. L. Sm. - Egan (1972: 15 as Dermatocarpon lachneum)
  310. Placidium rufescens (Ach.) Breuss - Egan (1972: 15 as Dermatocarpon rufescens)
  311. Placidium squamulosum (Ach.) Breuss - Egan (1972: 15 as Dermatocarpon hepaticum)

  312. Placopyrenium fuscellum (Turner) Gueidan & Cl. Roux - Egan (1972: 30 as Verrucaria fuscella)

  313. Placynthium nigrum (Huds.) S. Gray - Egan (1972: 26)

  314. Pleopsidium chlorophanum (Wahlenb.) Zopf - Magnusson (1930: 60 as Acarospora erythrophora Type), Egan (1972: 9 sub Acarospora chlorophana)

  315. Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Egan (1972: 30 as Xanthoria candelaria)
  316. Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Egan (1972: 30 as Xanthoria polycarpa)

  317. Protopannaria pezizoides (G. Web.) Trev. - Egan (1972: 21 as Pannaria pezizoides)

  318. Protoparmelia badia (Hoffm.) Hafellner - Egan (1972: 17 as Lecanora badia)

  319. Protoparmeliopsis muralis (Schreb.) M. Choisy - Egan (1972: 18 as Lecanora muralis)

  320. Protoparmeliopsis peltata (Ramond) Arup, Zhao Xin & Lumbsch - Egan (1972: 18 as Lecanora peltata)

  321. Pseudephebe minuscula (Nyl. ex Arnold) Brodo & D. Hawksw. - Egan (1972: 10 sub Alectoria minuscula)
  322. Pseudephebe pubescens (L.) M. Choisy - Egan (1972: 10 as Alectoria pubescens)

  323. Pseudevernia consocians (Vain.) Hale & W. L. Culb. - Egan (1972: 26)
  324. Pseudevernia intensa (Nyl.) Hale & W. L. Culb. - Egan (1972: 26)

  325. Psora crenata (Taylor) Reinke - Egan (1972: 19 as Lecidea coroniformis), Egan (1972: 19 as Lecidea crenata)
  326. Psora decipiens (Hedw.) Hoffm. - Egan (1972: 19 as Lecidea decipiens)
  327. Psora icterica (Mont.) Müll. Arg. - Egan (1972: 19 as Lecidea icterica)
  328. Psora luridella (Tuck.) Fink - Egan (1972: 19 as Lecidea luridella)
  329. Psora nipponica (Zahlbr.) Gotth. Schneid. - Egan (1972: 19 as Lecidea novomexicana)
  330. Psora rubiformis (Wahlenb. ex Ach.) Hook. - Egan (1972: 19 as Lecidea rubiformis)
  331. Psora russellii (Tuck.) A. Schneid. - Egan (1972: 19 as Lecidea russellii)

  332. Psoroma hypnorum (Vahl) Gray - Egan (1972: 26)

  333. Psorula rufonigra (Tuck.) Gotth. Schneid. - Egan (1972: 18 as Lecidea brouardii)

  334. Punctelia bolliana (Müll. Arg.) Krog - Egan (1972: 21 sub Parmelia bolliana)
  335. Punctelia graminicola (B. de Lesd.) Egan - B. de Lesdain (1942: 59 sub Parmelia graminicola Type in Phoenix, Arizona, USA ASU), Egan (2003: 315)
  336. Punctelia hypoleucites (Nyl.) Krog - Egan (1972: 21 sub Parmelia hypoleucites)
  337. Punctelia stictica (Delise ex Duby) Krog - Egan (1972: 22 sub Parmelia stictica)

  338. Pyrenodesmia variabilis (Pers.) A. Massal. - Egan (1972: 12 as Caloplaca variabilis)

  339. Ramalina americana Hale - Egan (1972: 26 erroneously as Ramalina fastigiata)
  340. Ramalina celastri (Spreng.) Krog & Swinscow - Egan (1972: 26 erroneously as Ramalina ecklonii)
  341. Ramalina dilacerata (Hoffm.) Hoffm. - Egan (1972: 27 as Ramalina minuscula)
  342. Ramalina farinacea (L.) Ach. - Egan (1972: 26)
  343. Ramalina fraxinea (L.) Ach. - Egan (1972: 26)
  344. Ramalina intermedia (Delise ex Nyl.) Nyl. - Egan (1972: 26)
  345. Ramalina pollinaria (Westr.) Ach. - Egan (1972: 27)
  346. Ramalina roesleri (Schaer.) Nyl. - Egan (1972: 27)
  347. Ramalina tenuis (Tuck.) G. Merr. - Egan (1972: 27)

  348. Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Egan (1972: 27)
  349. Rhizocarpon geographicum (L.) DC. - Egan (1972: 27)
  350. Rhizocarpon polycarpum (Hepp) Th. Fr. - Egan (1972: 27)
  351. Rhizocarpon superficiale (Schaer.) Malme - Egan (1972: 27)

  352. Rhizoplaca chrysoleuca (Sm.) Zopf - Egan (1972: 17 as Lecanora chrysoleuca)
  353. Rhizoplaca melanophthalma (Ram. ex Lam. & DC.) Leuckert & Poelt - Egan (1972: 18 as Lecanora melanophthalma)
  354. Rhizoplaca novomexicana (H. Magn.) S. D. Leav., Zhao Xin & Lumbsch - Egan (1972: 18), Egan (1972: 18 as Lecanora thomsonii)
  355. Rinodina brouardii B. de Lesd. - Bouly de Lesdain (1932: 131 Type in Uppsala, Sweden UPS), Egan (1972: 27)
  356. Rinodina laevigata (Ach.) Malme - Egan (1972: 27)
  357. Rinodina juniperina Sheard - Sheard (2010: 120 Protologue) Type in COLO
  358. Rinodina milvina (Wahlenb.) Th. Fr. - Egan (1972: 27)
  359. Rinodina mniaraea (Ach.) Körb. var. mniaraea - Egan (1972: 27)
  360. Rinodina olivaceobrunnea H. Magn. - Egan (1972: 27 as Rinodina archaeoides)
  361. Romjularia lurida (Ach.) Timdal - Egan (1972: 19 as Lecidea lurida)

  362. Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Egan (1972: 12 as Caloplaca elegans)
  363. Rusavskia sorediata (Vain.) S. Y. Kondr. & Kärnefelt - Egan (1972: 12 as Caloplaca sorediata)

  364. Sarcogyne integra (B. de Lesd.) H. Magn. - Egan (1972: 27)
  365. Sarcogyne magnussonii B. de Lesd. - Egan (1972: 27)
  366. Sarcogyne novomexicana H. Magn. - Egan (1972: 27)
  367. Sarcogyne hypophaea (Nyl.) Arnold - Egan (1972: 27 erroneously as Sarcogyne privigna)
  368. Sarcogyne regularis Körb. - Egan (1972: 28)
  369. Polysporina simplex (Dav.) Nyl. - Egan (1972: 28 as Sarcogyne simplex)

  370. Schaereria fuscocinerea Flot. - Egan (1972: 19 as Lecidea tenebrosa)

  371. Scytinium gelatinosum (With.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 20 as Leptogium sinuatum)
  372. Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 20 as Leptogium lichenoides)
  373. Scytinium platynum (Tuck.) Otálora, P. M. Jørg. & Wedin - Egan (1972: 20 as Leptogium platynum)
  374. Scytinium polycarpum (P. M. Jørg. & Goward) Otálora, P. M. Jørg. & Wedin - Egan (1972: 15 as Collema polycarpum)

  375. Solitaria chrysophthalma (Degel.) Arup, Søchting & Frödén - Egan (1972: 12 as Caloplaca chrysophthalma)

  376. Solorina bispora Nyl. - Egan (1972: 28)
  377. Solorina crocea (L.) Ach. - Egan (1972: 28)
  378. Solorina octospora Arnold - Egan (1972: 28)
  379. Solorina spongiosa (Ach.) Anzi - Egan (1972: 28)

  380. Sporastatia polyspora (Nyl.) Grummann - Egan (1972: 28)
  381. Sporastatia testudinea (Ach.) A. Massal. - Egan (1972: 28)

  382. Squamarina lentigera (Weber) Poelt - Egan (1972: 28)

  383. Squamulea squamosa (B. de Lesd.) Arup, Søchting & Frödén - Egan (1972: 12 as Caloplaca squamosa)

  384. Staurothele drummondii (Tuck.) Tuck. - Egan (1972: 16 as Endocarpon wilmsoides)
  385. Staurothele fissa (Taylor) Zwackh - Egan (1972: 28)
  386. Staurothele lecideoides B. de Lesd. - Egan (1972: 28)
  387. Staurothele elenkinii Oxner - Egan (1972: 28 erroneously as Staurothele rufa)

  388. Stereocaulon myriocarpum Th. Fr. - Egan (1972: 28)

  389. Sticta fuliginosa (Dicks.) Ach. - Egan (1972: 28)
  390. Sticta sylvatica (Huds.) Ach. - Egan (1972: 28)

  391. Teloschistes chrysophthalmus (L.) Th. Fr. - Egan (1972: 28)
  392. Teloschistes flavicans (Sw.) Norman var. puberus (Ach.) Müll. Arg. - Egan (1972: 28)

  393. Tephromela atra (Huds.) Hafellner - Egan (1972: 17 as Lecanora atra)
  394. Tetramelas chloroleucus (Körb.) A. Nordin - Egan (1972: 12 as Buellia zahlbruckneri)
  395. Tetramelas geophila (Flörke ex Somm.) Norman - Egan (1972: 11 as Buellia geophila)
  396. Tetramelas insignis (Nägeli ex. Hepp) Kalb - Egan (1972: 11 as Buellia insignis)
  397. Tetramelas triphragmioides Anzi - Egan (1972: 12 as Buellia triphragmioides)

  398. Thalloidima candidum (Weber) A. Massal. - Egan (1972: 29 as Toninia candida)
  399. Thalloidima sedifolium (Scop.) Kistenich, Timdal, Bendiksby & S. Ekman - Egan (1972: 29 as Toninia coeruleonigricans)

  400. Thamnolia subuliformis (Ehrh.) W. L. Culb. - Egan (1972: 28)

  401. Toninia philippea (Mont.) Timdal - Anderson (1967: 340 as Catillaria kansuensis), Egan (1972: 13 as Catillaria kansuensis)
  402. Toninia tristis (Th. Fr.) Th. Fr. - Egan (1972: 29)

  403. Tremolecia atrata (Ach.) Hertel - Egan (1972: 19 as Lecidea dicksonii)

  404. Tuckermanella coralligera (W. A. Weber) Essl. - Egan (1972: 13 as Cetraria coralligera)
  405. Tuckermanella fendleri (Nyl.) Essl. - Egan (1972: 13 as Cetraria fendleri)

  406. Tuckermannopsis chlorophylla (Willd.) Hale - Egan (1972: 13 as Cetraria chlorophylla)

  407. Umbilicaria decussata (Vill.) Zahlbr. - Egan (1972: 20 as Omphalodiscus decussatus)
  408. Umbilicaria hyperborea (Ach.) Hoffm. var. hyperborea - Egan (1972: 29)
  409. Umbilicaria phaea Tuck. - Egan (1972: 29)
  410. Umbilicaria polaris (Schol.) Zahlbr. - Egan (1972: 20 erroneously as Omphalodiscus krascheninnikovii)
  411. Umbilicaria torrefacta (Lightf.) Schrad. - Egan (1972: 29)
  412. Umbilicaria vellea (L.) Ach. - Egan (1972: 29)
  413. Umbilicaria virginis Schaer. - Egan (1972: 21 as Omphalodiscus virginis)

  414. Usnea affinis Mot. - Egan (1972: 29)
  415. Usnea amblyoclada (Müll. Arg.) Zahlbr. - Clerc & Herrera-Campos (1997: 287)

  416. Usnea cavernosa Tuck. - Egan (1972: 29)
  417. Usnea ceratina Ach. - Egan (1972: 29)
  418. Usnea cirrosa Motyka - Egan (1972: 29 as Usnea ciliifera)
  419. Usnea dasypoga (Ach.) Röhl - Egan (1972: 29)
  420. Usnea erinacea Vain. - Egan (1972: 29)
  421. Usnea florida (L.) Weber ex F. H. Wigg. - Egan (1972: 29)
  422. Usnea fragilescens Hav. ex Lynge var. mollis (Vain.) Clerc - Egan (1972: 29 as Usnea mollis)
  423. Usnea fulvoreagens (Räsänen) Räsänen - Egan (1972: 29)
  424. Usnea glabrata (Ach.) Vain. - Egan (1972: 29), Egan (1972: 29 as Usnea sorediifera)
  425. Usnea glabrescens Mot. - Egan (1972: 29 as Usnea compacta)
  426. Usnea hirta (L.) Weber ex F. H. Wigg. - Egan (1972: 29), Egan (1972: 30 as Usnea variolosa)
  427. Usnea intermedia (A. Massal.) Jatta - Egan (1972: 29 as Usnea arizonica), Egan (1972: 29), Egan (1972: 29 as Usnea retifera)
  428. Usnea merrillii Motyka - Egan (1972: 29)
  429. Usnea monstruosa Vain. - Egan (1972: 29)
  430. Usnea scabrata Nyl. - Egan (1972: 29 as Usnea scabiosa)
  431. Usnea strigosa (Ach.) A. Eat. subsp. strigosa - Egan (1972: 29)
  432. Usnea subfloridana Stirt. - Egan (1972: 29)
  433. Usnea silvatica Motyka - Egan (1972: 29)
  434. Usnea tristis Motyka - Egan (1972: 30)

  435. Vahliella leucophaea (Vahl) P. M. Jørg. - Egan (1972: 21 as Pannaria microphylla)

  436. Verrucaria americana (B. de Lesd.) Breuss - Egan (1972: 15 as Endopyrenium americanum)
  437. Verrucaria caerulea DC. - Egan (1972: 30 as Verrucaria fuscella var. glaucina)
  438. Verrucaria inficiens Breuss - Egan (1972: 15 as Dermatocarpon plumbeum)
  439. Verrucaria inornata Servít - Egan (1972: 30 as Verrucaria marmorea var. inornata)
  440. Verrucaria muralis Ach. - Egan (1972: 30)
  441. Verrucaria novomexicana B. de Lesd. - Egan (1972: 30)
  442. Verrucaria othmarii K. Knudsen & B. Abbott - Egan (1972: 16 as Dermatocarpon rupicola)
  443. Verrucaria subglaucina B. de Lesd. - Egan (1972: 30)

  444. Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Egan (1972: 13 as Cetraria pinastri)
  445. Vulpicida tilesii Ach. - Egan (1972: 13 as Cetraria tilesii)

  446. Xanthocarpia lactea (A. Massal.) A. Massal. - Egan (1972: 12 as Caloplaca lactea)

  447. Xanthomendoza fallax (Hepp ex Arnold) Søchting, Kärnefelt & S. Y. Kondr. - Egan (1972: 30 sub Xanthoria fallax)

  448. Xanthoparmelia chlorochroa (Tuck.) Hale - Egan (1972: 21 sub Parmelia chlorochroa)
  449. Xanthoparmelia cumberlandia (Gyeln.) Hale - Egan (1972: 21 sub Parmelia cumberlandia)
  450. Xanthoparmelia dierythra (Hale) Hale - Nash (1974: 73 sub Parmelia dierythra)
  451. Xanthoparmelia dissensa (T. H. Nash) Hale - Nash (1974: 73 sub Parmelia dissensa)
  452. Xanthoparmelia joranadae (T. H. Nash) Egan - Nash (1974: 72 sub Parmelia joranadia Type in Phoenix, Arizona, USA ASU)
  453. Xanthoparmelia lineola (E. C. Berry) Hale - Egan (1972: 22 sub Parmelia lineola)
  454. Xanthoparmelia maricopensis Nash & Elix - Nash & Elix (1986: 454)
  455. Xanthoparmelia mexicana (Gyeln.) Hale - Egan (1972: 22 sub Parmelia mexicana)
  456. Xanthoparmelia novomexicana (Gyeln.) Hale - Egan (1972: 21 sub Parmelia arseneana), Egan (1972: 22 sub Parmelia novomexicana)
  457. Xanthoparmelia plittii (Gyeln.) Hale - Egan (1972: 22 sub Parmelia plittii)
  458. Xanthoparmelia psoromifera (Kurok.) Hale - Egan (1972: 22 sub Parmelia psoromifera)
  459. Xanthoparmelia subdecipiens (Vain. ex Lynge) Hale - Egan (1972: 22 sub Parmelia subdecipiens)
  460. Xanthoparmelia coloradoensis (Kremp.) Hale - Egan (1972: 22 erroneously as Parmelia taractica), Nash (1974: 73 erroneously as Parmelia tinctina)
  461. Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer - Nash (1974: 73 erroneously as Parmelia tasmanica)