Checklist of lichens of Ontario (Canada)
Version 31 December 2018

 

  1. Acarospora americana H. Magn. - Crowe (1994: 64), Brodo et al. (2013: 205)
  2. Acarospora badiofusca (Nyl.) Th. Fr. - Crowe (1994: 64), Thomson (1997: 21)
  3. Acarospora fuscata (Nyl.) Arnold - Crowe (1994: 64), Thomson (1997: 24), Brodo et al. (2013: 205)
  4. Acarospora glaucocarpa (Wahlenb.) Körb. - Crowe (1994: 64), Thomson (1997: 25), Brodo et al. (2013: 205)
  5. Acarospora macrospora (Hepp) A. Massal. ex Bagl. - Brodo et al. (2013: 205)
  6. Acarospora moenium (Vain.) Räsänen - Brodo et al. (2013: 205 New record for Canada)

  7. Acrocordia cavata (Ach.) R. C. Harris - Brodo et al. (2013: 206)
  8. Acrocordia conoidea (Fr.) Körb. - Brodo et al. (2013: 206)

  9. Ahtiana aurescens (Tuck.) A. Thell & Randlane - Crowe (1994: 74 as Tuckermannopsis aurescens)

  10. Alectoria nigricans (Ach.) Nyl. - Thomson (1984: 35)
  11. Alectoria ochroleuca (Hoffm.) A. Massal. - Thomson (1984: 37)

  12. Alyxoria varia (Pers.) Ertz & Tehler - Crowe (1994: 70 as Opegrapha varia), Brodo et al. (2013: 207)

  13. Amandinea dakotensis (H. Magn.) P. F. May & Sheard - Crowe (1994: 73 as Rinodina dakotensis)
  14. Amandinea polyspora (Willey) E. Lay & P.F. May - Thomson (1997: 137 as Buellia polyspora)
  15. Amandinea punctata (Hoffm.) Coppins & Scheid. - Crowe (1994: 65 as Buellia punctata), Crowe (1994: 65 as Buellia stigmatea), Thomson (1997: 138 as Buellia punctata), Brodo et al. (2013: 206)

  16. Amygdalaria panaeola (Ach.) Hertel & Brodo - Crowe (1994: 64), Thomson (1997: 42)

  17. Anaptychia crinalis (Schaer.) Vezda - Thomson (1984: 40 erroneously as Anaptychia kaspica), Crowe (1994: 64 erroneously as Anaptychia setifera), Brodo et al. (2013: 206)

  18. Anisomeridium biforme (Borrer in Hook. & Sow.) R. C. Harris in Vezda - Crowe (1994: 64)
  19. Anisomeridium polypori (Ellis & Everh.) M. E. Barr - Brodo et al. (2013: 206)

  20. Arctoparmelia centrifuga (L.) Hale - Ahti (1964: 20 as Parmelia centrifuga), Crowe (1994: 64), Thomson (1984: 476 as Xanthoparmelia centrifuga)
  21. Arctoparmelia incurva (Pers.) Hale - Thomson (1984: 478)

  22. Arthonia didyma Körb. - Brodo et al. (2013: 206)
  23. Arthonia diffusella Fink in Hedr. - Crowe (1994: 64)
  24. Arthonia dispersa (Schrad.) Nyl. - Crowe (1994: 64)
  25. Arthonia fuliginosa (Schaer.) Flot. - Crowe (1994: 64), Brodo et al. (2013: 206)
  26. Arthonia patellulata Nyl. - Crowe (1994: 64), Thomson (1997: 47), Brodo et al. (2013: 206)
  27. Arthonia radiata (Pers.) Ach. - Brodo et al. (2013: 206)
  28. Arthonia spadicea Leight. - Crowe (1994: 64)

  29. Aspicilia cinerea (L.) Körb. - Crowe (1994: 64), Thomson (1997: 68), Brodo et al. (2013: 207)
  30. Aspicilia subradians (Nyl.) Hue - Thomson (1997: 94)
  31. Aspicilia supertegens Arnold - Crowe (1994: 64)
  32. Aspicilia verrucigera Hue - Crowe (1994: 64)

  33. Aspilidea myrinii (Fr. in Myrin) Hafellner- Thomson (1997: 85 as Aspicilia myrinii)

  34. Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Crowe (1994: 65 as Caloplaca holocarpa), Thomson (1997: 164 as Caloplaca holocarpa), Brodo et al. (2013: 209 as Caloplaca holocarpa)

  35. Bacidia bagliettoana (A. Massal. & de Not. in A. Massal.) Jatta - Thomson (1997: 99), Brodo et al. (2013: 207)
  36. Bacidia coprodes (Körb.) Lettau - Brodo et al. (2013: 207)
  37. Bacidia igniarii (Nyl.) Oxner - Thomson (1997: 103)
  38. Bacidia laurocerasi (Del. ex Duby) Zahlbr. subsp. laurocerasi - Crowe (1994: 64), Brodo et al. (2013: 207)
  39. Bacidia polychroa (Th. Fr.) Körb. - Crowe (1994: 64)
  40. Bacidia populorum (A. Massal.) Trevisan - Thomson (1997: 107)
  41. Bacidia rosellizans S. Ekman - Crowe (1994: 64 erroneously as Bacidia rosella)
  42. Bacidia rubella (Hoffm.) A. Massal. - Crowe (1994: 64), Thomson (1997: 107), Brodo et al. (2013: 207)
  43. Bacidia schweinitzii (Fr. ex E. Michener) A. Schneider - Crowe (1994: 65), Brodo et al. (2013: 207)
  44. Bacidia subincompta (Nyl.) Arnold - Thomson (1997: 110)

  45. Bacidina egenula (Nyl.) Vezda - Brodo et al. (2013: 207)

  46. Baeomyces carneus (Retz.) Flörke - Crowe (1994: 65), Thomson (1984: 48)
  47. Baeomyces rufus (Huds.) Rebent. - Ahti (1964: 13), Crowe (1994: 65), Thomson (1984: 52)

  48. Bagliettoa baldensis (A. Massal.) Vezda - Brodo et al. (2013: 207)
  49. Bagliettoa calciseda (DC.) Gueidan & Cl. Roux - Brodo et al. (2013: 208)

  50. Biatora chrysantha (Zahlbr.) Printzen in V. Wirth - Brodo et al. (2013: 208)
  51. Biatora efflorescens (Hedl.) Räsänen - Crowe (1994: 69 erroneously as Lecidea epixanthoidiza), Brodo et al. (2013: 208)
  52. Biatora helvola (Körb. ex Hellbom) Hedl. - Crowe (1994: 65), Thomson (1997: 349 as Lecidea helvola)
  53. Biatora ocelliformis (Nyl.) Arnold - Brodo et al. (2013: 208)
  54. Biatora pycnidiata Printzen & Tønsberg - Brodo et al. (2013: 208)
  55. Biatora vernalis (L.) Fr. - Crowe (1994: 65), Thomson (1997: 389 as Lecidea vernalis), Brodo et al. (2013: 208)

  56. Biatorella hemisphaerica Anzi - Brodo et al. (2013: 208)

  57. Bilimbia microcarpa (Th. Fr.) Th. Fr. - Brodo et al. (2013: 207 as Bacidia microcarpa)
  58. Bilimbia sabuletorum (Schreb.) Arnold - Crowe (1994: 70 as Mycobilimbia sabuletorum), Thomson (1997: 422 as Mycobilimbia sabuletorum), Brodo et al. (2013: 208)

  59. Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Thomson (1997: 151 as Caloplaca ammiospila), Brodo et al. (2013: 209 as Caloplaca ammiospila)

  60. Blennothallia crispa (Huds.) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 183)

  61. Botryolepraria lesdainii (Hue) Canals, Hernández-Mariné, Gómez-Bolea & Llimona - Brodo et al. (2013: 208)

  62. Bryobilimbia hypnorum (Lib.) Fryday, Printzen & S. Ekman - Crowe (1994: 70 as Mycobilimbia hypnorum), Thomson (1997: 351 as Lecidea hypnorum)

  63. Bryocaulon divergens (Ach.) Kärnefelt - Thomson (1984: 199 as Cornicularia divergens)

  64. Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Thomson (1997: 166 as Caloplaca jungermanniae)
  65. Bryoplaca sinapisperma (Lam. & DC.) Søchting, Frödén & Arup - Thomson (1997: 170 as Caloplaca sinapisperma), Brodo et al. (2013: 209 as Caloplaca sinapisperma)

  66. Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Crowe (1994: 65), Thomson (1984: 55)
  67. Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Crowe (1994: 65), Thomson (1984: 56)
  68. Bryoria furcellata (Fr.) Brodo & D. Hawksw. - Crowe (1994: 65), Brodo et al. (2013: 208)
  69. Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Crowe (1994: 65), Thomson (1984: 57), Thomson (1984: 59 as Bryoria lanestris)
  70. Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw. - Crowe (1994: 65), Thomson (1984: 61)
  71. Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Thomson (1984: 63)
  72. Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Thomson (1984: 65)
  73. Bryoria tenuis (E. Dahl) Brodo & D. Hawksw. - Crowe (1994: 65)
  74. Bryoria trichodes (Michx.) Brodo & D. Hawksw. - Crowe (1994: 65), Thomson (1984: 68)
  75. Bryoria vrangiana (Gyeln.) Brodo & D. Hawksw. - Thomson (1984: 69)

  76. Buellia arnoldii Servít - Crowe (1994: 65), Etayo & Marbach (2003: 369)
  77. Buellia disciformis (Fr.) Mudd - Crowe (1994: 65), Thomson (1997: 129), Brodo et al. (2013: 208)
  78. Buellia erubescens Arnold - Crowe (1994: 65 as Buellia stillingiana), Thomson (1997: 131), Brodo et al. (2013: 208)
  79. Buellia griseovirens (Turner & Borrer ex Sm.) Almb. - Brodo et al. (2013: 208)
  80. Buellia schaereri De Not. - Brodo et al. (2013: 209)

  81. Calicium salicinum Pers. - Crowe (1994: 65), Brodo et al. (2013: 209)
  82. Calicium trabinellum (Ach.) Ach. - Crowe (1994: 65), Thomson (1997: 145), Brodo et al. (2013: 209)
  83. Calicium viride Pers. - Crowe (1994: 65)

  84. Caloplaca cerina (Ehrh. ex Hedwig) Th. Fr. - Crowe (1994: 65), Thomson (1997: 154), Brodo et al. (2013: 209)
  85. Caloplaca chlorina (Flot.) H. Olivier - Brodo et al. (2013: 209)
  86. Caloplaca epithallina Lynge - Crowe (1994: 65), Thomson (1997: 158)
  87. Caloplaca fraudans (Th. Fr.) H. Olivier - Thomson (1997: 162)
  88. Caloplaca microphyllina (Tuck.) Hasse - Crowe (1994: 65)
  89. Caloplaca saxicola (Hoffm.) Nordin - Thomson (1997: 169), Brodo et al. (2013: 209)
  90. Caloplaca sideritis (Tuck.) Zahlbr. - Brodo et al. (2013: 209)
  91. Caloplaca stillicidiorum (Vahl) Lynge - Thomson (1997: 172)
  92. Caloplaca ulmorum (Fink) Fink - Crowe (1994: 65)

  93. Candelaria concolor (Dicks.) B. Stein - Crowe (1994: 65), Brodo et al. (2013: 209)

  94. Candelariella aurella (Hoffm.) Zahlbr. - Thomson (1997: 182), Brodo et al. (2013: 209)
  95. Candelariella canadensis H. Magn. - Magnusson (1952: 216 Protologue), Westberg (2010: 119 Lectotype)
  96. Candelariella coralliza (Nyl.) H. Magn. - Thomson (1997: 183)
  97. Candelariella efflorescens R. C. Harris & W. R. Buck - Crowe (1994: 65), Thomson (1997: 185)
  98. Candelariella lutella (Vain.) Räsänen - Thomson (1997: 185)
  99. Candelariella vitellina (Hoffm.) Müll. Arg. - Crowe (1994: 65), Thomson (1997: 189)
  100. Candelariella xanthostigma (Ach.) Lettau - Crowe (1994: 65), Thomson (1997: 190)

  101. Carbonicola anthracophila (Nyl.) Bendiksby & Timdal - Crowe (1994: 68 as Hypocenomyce anthracophila)

  102. Catillaria glauconigrans (Tuck.) Hasse - Crowe (1994: 65), Thomson (1997: 197)
  103. Catillaria muscicola Lynge - Thomson (1997: 198)

  104. Catinaria atropurpurea (Schaer.) Vezda & Poelt - Crowe (1994: 65), Thomson (1997: 201)

  105. Cetraria arenaria Kärnef. - Crowe (1994: 65)
  106. Cetraria ericetorum Opiz subsp. ericetorum - Ahti (1964: 19), Thomson (1984: 79), Crowe (1994: 65)
  107. Cetraria islandica (L.) Ach. - Ahti (1964: 19), Thomson (1984: 84), Crowe (1994: 66)
  108. Cetraria laevigata Rass. - Thomson (1984: 88)

  109. Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Ahti (1964: 19 as Cetraria delisei)

  110. Cetrelia cetrarioides (Duby) W. L. Culb. & C. F. Culb. - Ahti (1964: 20 as Parmelia cetrarioides)
  111. Cetrelia chicitae (W. L. Culb.) W. L. Culb. & C. F. Culb. - Crowe (1994: 66)
  112. Cetrelia olivetorum (Nyl.) W. L. Culb. & C. F. Culb. - Crowe (1994: 66)

  113. Chaenotheca brunneola (Ach.) Müll. Arg. - Crowe (1994: 66)
  114. Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr. - Crowe (1994: 66), Thomson (1997: 205)
  115. Chaenotheca ferruginea (Turn. ex Sm.) Mig. - Crowe (1994: 66)
  116. Chaenotheca furfuracea (L.) Tibell - Crowe (1994: 66), Thomson (1997: 210 as Coniocybe furfuracea)
  117. Chaenotheca hispidula (Ach.) Zahlbr. - Crowe (1994: 66)
  118. Chaenotheca stemonea (Ach.) Müll. Arg. - Crowe (1994: 66)
  119. Chaenotheca trichialis (Ach.) Th. Fr. - Crowe (1994: 66)

  120. Chrysothrix chlorina (Ach.) J. R. Laundon - Crowe (1994: 66)

  121. Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, S. Savić & Tibell - Crowe (1994: 64 as Aspicilia caesiocinerea), Thomson (1997: 65 as Aspicilia caesiocinerea)

  122. Cladonia acuminata ( Ach.) Norrl. var. acuminata - Ahti (1964: 13), Ahti (1964: 13 as C. acuminata var. norrlinii), Thomson (1984: 105), Thomson (1984: 152 as Cladonia norrlinii), Crowe (1994: 66)
  123. Cladonia amaurocraea (Flörke) Schaer. - Ahti (1964: 14), Thomson (1984: 107), Crowe (1994: 66)
  124. Cladonia arbuscula (Wallr.) Rabenh. subsp. arbuscula - Ahti (1964: 14), Thomson (1984: 110), Crowe (1994: 66 as Cladina arbuscula)
  125. Cladonia arbuscula (Wallr.) Rabenh. subsp. beringiana Ahti - Ahti (1964: 14)
  126. Cladonia bacillaris (Ach.) Nyl. - Ahti (1964: 15), Thomson (1984: 111), Crowe (1994: 66)
  127. Cladonia bacilliformis (Nyl.) Vain. - Ahti (1964: 15),Thomson (1984: 112)
  128. Cladonia bellidiflora (Ach.) Schaer. - Ahti (1964: 15)
  129. Cladonia botrytes (Hag.) Willd. - Ahti (1964: 15), Thomson (1984: 114), Crowe (1994: 66)
  130. Cladonia caespiticia (Pers.) Flörke - Crowe (1994: 66)
  131. Cladonia cariosa (Ach.) Spreng. - Ahti (1964: 15), Thomson (1984: 116), Crowe (1994: 66)
  132. Cladonia carneola (Fr.) Fr. - Thomson (1984: 117)
  133. Cladonia cenotea (Ach.) Schaer. - Ahti (1964: 15), Thomson (1984: 118), Crowe (1994: 66)
  134. Cladonia cervicornis (Ach.) Flot. - Ahti (1964: 18 as Cladonia verticillata var. cervicornis)
  135. Cladonia chlorophaea (Flörke ex. Sommerf.) Spreng. - Ahti (1964: 15), Thomson (1984: 119), Crowe (1994: 66)
  136. Cladonia coccifera (L.) Willd. - Ahti (1964: 15), Thomson (1984: 121), Crowe (1994: 66)
  137. Cladonia coniocraea (Flörke) Spreng. - Ahti (1964: 15), Thomson (1984: 122), Crowe (1994: 66)
  138. Cladonia cornuta (L.) Hoffm. - Ahti (1964: 15), Thomson (1984: 124), Crowe (1994: 66)
  139. Cladonia crispata (Ach.) Flot. - Ahti (1964: 15), Thomson (1984: 125), Crowe (1994: 66)
  140. Cladonia cristatella Tuck. - Ahti (1964: 15), Crowe (1994: 66)
  141. Cladonia cryptochlorophaea Asah. - Thomson (1984: 126)
  142. Cladonia cyanipes (Somm.) Nyl. - Ahti (1964: 16), Thomson (1984: 127), Crowe (1994: 66)
  143. Cladonia decorticata (Flörke) Spreng. - Ahti (1964: 16), Thomson (1984: 128)
  144. Cladonia deformis (L.) Hoffm. - Ahti (1964: 16), Thomson (1984: 129), Crowe (1994: 66)
  145. Cladonia digitata (L.) Hoffm. - Ahti (1964: 16), Thomson (1984: 131), Crowe (1994: 66)
  146. Cladonia ecmocyna Leight. - Ahti (1964: 16), Thomson (1984: 132)
  147. Cladonia fimbriata (L.) Fr. - Ahti (1964: 16), Thomson (1984: 133), Crowe (1994: 66)
  148. Cladonia floerkeana (Fr.) Flörke - Thomson (1984: 134)
  149. Cladonia furcata (Huds.) Schrad. - Crowe (1994: 66)
  150. Cladonia glauca Flörke - Thomson (1984: 135)
  151. Cladonia gracilis (L.) Willd. subsp. gracilis - Ahti (1964: 16 as Cladonia gracilis var. gracilis), Thomson (1984: 137 as Cladonia gracilis var. gracilis), Crowe (1994: 66)
  152. Cladonia gracilis (L.) Willd. subsp. elongata - Ahti (1964: 16 as Cladonia gracilis var. elongata)
  153. Cladonia gracilis (L.) Willd. subsp. dilatata - Ahti (1964: 16 as Cladonia gracilis var. dilatata)
  154. Cladonia gracilis (L.) Willd. subsp. turbinata (Ach.) Ahti - Thomson (1984: 136), Crowe (1994: 67)
  155. Cladonia grayi G. Merr. ex Sandst. - Thomson (1984: 139), Crowe (1994: 67)
  156. Cladonia ignatii Ahti, Pino-Bodas & J. W. McCarthy - Ahti et al. (2018: 633 Protologue) Type in Helsinki, Finland H)
  157. Cladonia macilenta Hoffm. - Ahti (1964: 16)
  158. Cladonia macrophylla (Schaer.) Stenh. - Ahti (1964: 14 as Cladonia alpicola), Thomson (1984: 141), Crowe (1994: 67)
  159. Cladonia magyarica Vain. ex Gyeln. - Crowe (1994: 67)
  160. Cladonia maxima (Asahina) Ahti - Thomson (1984: 145), Crowe (1994: 67)
  161. Cladonia merochlorophaea Asahina - Thomson (1984: 143), Crowe (1994: 67)
  162. Cladonia mitis Sandst. - Ahti (1964: 16), Thomson (1984: 148), Crowe (1994: 66 as Cladina mitis)
  163. Cladonia multiformis G. Merr. - Ahti (1964: 16), Thomson (1984: 149), Crowe (1994: 67)
  164. Cladonia parasitica (Hoffm.) Hoffm. - Ahti (1964: 16 as Cladonia delicata)
  165. Cladonia phyllophora Ehrh. ex Hoffm. - Ahti (1964: 16 as Cladonia degenerans), Thomson (1984: 153), Crowe (1994: 67)
  166. Cladonia pleurota (Flörke) Schaer. - Ahti (1964: 15 as Cladonia coccifera var. pleurota), Thomson (1984: 154), Crowe (1994: 67), Backor & Fahselt (2004: 149)
  167. Cladonia pocillum (Ach.) O. J. Rich. - Ahti (1964: 17), Thomson (1984: 156)
  168. Cladonia pyxidata (L.) Hoffm. - Ahti (1964: 17), Thomson (1984: 158), Crowe (1994: 67)
  169. Cladonia ramulosa (With.) J. R. Laundon - Thomson (1984: 109 as Cladonia anomaea)
  170. Cladonia rangiferina (L.) Weber ex F. H. Wigg. - Ahti (1964: 17), Thomson (1984: 159), Crowe (1994: 66 as Cladina rangiferina)
  171. Cladonia rei Schaer. - Ahti (1964: 17 as Cladonia nemoxyna), Crowe (1994: 67)
  172. Cladonia scabriuscula (Del. in Duby) Nyl. - Ahti (1964: 17), Thomson (1984: 160), Crowe (1994: 67)
  173. Cladonia squamosa (Scop.) Hoffm. - Ahti (1964: 17), Thomson (1984: 161), Crowe (1994: 67)
  174. Cladonia stellaris (Opiz) Pouzar & Vezda - Ahti (1964: 14 as Cladonia alpestris), Ahti (1964: 14 as Cladonia alpestris var. aberrans), Thomson (1984: 104 as Cladonia aberrans), Thomson (1984: 163), Crowe (1994: 66 as Cladina stellaris)
  175. Cladonia stricta (Nyl.) Nyl. - Thomson (1984: 164)
  176. Cladina stygia (Fr.) Ruoss - Crowe (1994: 66)
  177. Cladonia subfurcata (Nyl.) Arnold - Ahti (1964: 16 as Cladonia delessertii), Thomson (1984: 166)
  178. Cladonia subulata (L.) F. H. Wigg. - Ahti (1964: 17), Thomson (1984: 168), Crowe (1994: 67)
  179. Cladonia sulphurina (Michx.) Fr. - Ahti (1964: 16 as Cladonia gonecha)Thomson (1984: 169), Crowe (1994: 67)
  180. Cladonia symphycarpa (Ach.) Fr. - Ahti (1964: 17 as C. symphycarpia), Thomson (1984: 170)
  181. Cladonia trassii Nyl. - Ahti (1964: 16 as Cladonia lepidota)
  182. Cladonia turgida Ehrh. ex Hoffm. - Ahti (1964: 18), Thomson (1984: 172), Crowe (1994: 67)
  183. Cladonia uncialis (L.) F. H. Wigg. - Ahti (1964: 18), Thomson (1984: 173), Crowe (1994: 67)
  184. Cladonia verticillata (Hoffm.) Schaer. - Ahti (1964: 18), Thomson (1984: 174), Crowe (1994: 66 as Cladonia cervicornis subsp. verticillata)
  185. Cladonia wainioi Asah. - Ahti (1964: 17 as Cladonia pseudorangiformis), Thomson (1984: 157 as Cladonia pseudorangiformis)

  186. Cliostomum griffithii (Sm.) Coppins - Crowe (1994: 67)

  187. Collema flaccidum (Ach.) Ach. - Crowe (1994: 67)
  188. Collema furfuraceum (Schaer.) Du Rietz - Ahti (1964: 18), Thomson (1984: 187), Crowe (1994: 67)
  189. Collema glebulentum (Nyl. ex Cromb.) Degel. - Thomson (1984: 185)
  190. Collema nigrescens (Huds.) DC. - Crowe (1994: 67)
  191. Collema pulchellum Ach. var. pulchellum - Ahti (1964: 18), Crowe (1994: 67)
  192. Collema pulchellum Ach. var. subnigrescens (Müll. Arg.) Degel. - Crowe (1994: 67)
  193. Collema subflaccidum Degel. - Crowe (1994: 67)

  194. Cresponea chloroconia Tuck. - Crowe (1994: 68 as Lecanactis chloroconia)

  195. Cyphelium tigillare (Ach.) Ach. - Crowe (1994: 67), Thomson (1997: 214)

  196. Dactylina arctica (Richards.) Nyl. - Thomson (1984: 203)

  197. Dermatocarpon luridum (With.) J. R. Laundon - Ahti (1964: 13 as Dermatocarpon fluviatile), Thomson (1984: 213 as Dermatocarpon fluviatile), Crowe (1994: 67)
  198. Dermatocarpon miniatum (L.) Mann. - Ahti (1964: 13), Thomson (1984: 219), Crowe (1994: 67)
  199. Dermatocarpon moulinsii (Mont.) Zahlbr. - Crowe (1994: 67)

  200. Dimelaena oreina (Ach.) Norman - Crowe (1994: 67), Thomson (1997: 216)

  201. Diploschistes aeneus (Müll. Arg.) Lumbsch - Crowe (1994: 67)
  202. Diploschistes muscorum (Scop.) R. Sant. - Crowe (1994: 67), Thomson (1997: 218)
  203. Diploschistes scruposus (Schreb.) Norman - Crowe (1994: 67), Thomson (1997: 218)

  204. Diplotomma alboatrum (Hoffm.) Flot. - Crowe (1994: 67), Thomson (1997: 127 as Buellia alboatra)

  205. Enchylium bachmanianum (Fink) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 179 as Collema bachmanianum)
  206. Enchylium polycarpon (Hoffm.) Otálora, P. M. Jørg. & Wedin -Thomson (1984: 190 as Collema polycarpon)
  207. Enchylium tenax (Sw.) Gray - Thomson (1984: 191 as Collema tenax)

  208. Endocarpon tortuosum Herre - Thomson (1984: 222)

  209. Ephebe lanata (L.) Vain. - Crowe (1994: 67)

  210. Evernia mesomorpha Nyl. - Thomson (1984: 229), Crowe (1994: 67)
  211. Evernia prunastri (L.) Ach. - Crowe (1994: 67)

  212. Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Ahti (1964: 19)
  213. Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Ahti (1964: 19 as Cetraria nivalis), Thomson (1984: 92 as Cetraria nivalis), Crowe (1994: 66 as Cetraria nivalis)

  214. Flavoparmelia caperata (L.) Hale - Ahti (1964: 20 as Parmelia caperata), Crowe (1994: 67)

  215. Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Yarranton & Green (1966: 450 as Caloplaca citrina), Thomson (1997: 155 as Caloplaca citrina), Brodo et al. (2013: 209 as Caloplaca citrina)
  216. Flavoplaca flavocitrina (Nyl.) Arup, Frödén & Søchting - Brodo et al. (2013: 209 as Caloplaca flavocitrina)

  217. Flavopunctelia flaventior (Stirt.) Hale - Crowe (1994: 67)

  218. Fuscidea recensa (Stirton) Hertel, V. Wirth & Vezda - Thomson (1997: 234)

  219. Fuscopannaria leucosticta (Tuck. ex E. Michener) P. M. Jørg. - Crowe (1994: 70 as Pannaria leucosticta)
  220. Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Ahti (1964: 18 as Parmeliella lepidiota), Crowe (1994: 70 as Pannaria praetermissa)

  221. Gallowayella tibellii (S. Y. Kondr. & Kärnefelt) S. Y. Kondr., Fedorenko, S. Stenroos, Kärnefelt, Elix, J. S. Hur & A. Thell - xx (xx: 125 as Xanthoria tibellii)

  222. Graphis scripta (L.) Ach. - Crowe (1994: 68)

  223. Gyalolechia flavorubescens (Hudson) Søchting, Frödén & Arup - Yarranton & Green (1966: 450 as Caloplaca aurantiaca), Crowe (1994: 65 as Caloplaca flavorubescens)
  224. Gyalolechia flavovirescens (Wulf.) Søchting, Frödén & Arup - Crowe (1994: 65 as Caloplaca flavovirescens), Thomson (1997: 161 as Caloplaca flavovirescens), Brodo et al. (2013: 209)
  225. Gyalolechia xanthostigmoidea (Räsänen) Søchting, Frödén & Arup - Crowe (1994: 65 as Caloplaca discolor), Thomson (1997: 158 as Caloplaca discolor)

  226. Heterodermia obscurata (Nyl.) Trevisan - Crowe (1994: 68)
  227. Heterodermia speciosa (Wulfen) Trevisan - Crowe (1994: 68)

  228. Hymenelia epulotica (Ach.) Lutzoni - Thomson (1997: 253 as Ionaspis epulotica)

  229. Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Crowe (1994: 68), Thomson (1997: 248)

  230. Hypogymnia bitteri (Lynge) Ahti - Ahti (1964: 20), Thomson (1984: 238), Crowe (1994: 68)
  231. Hypogymnia physodes (L.) Nyl. - Ahti (1964: 20), Thomson (1984: 241), Crowe (1994: 68)
  232. Hypogymnia tubulosa - Ahti (1964: 20), Crowe (1994: 68)
  233. Hypogymnia vittata (Ach.) Parr. - Crowe (1994: 68)

  234. Icmadophila ericetorum (L.) Zahlbr. - Crowe (1994: 68), Thomson (1997: 249)

  235. Imshaugia aleurites (Ach.) Nyl. em. Lettau - Thomson (1984: 321 as Parmeliopsis aleurites), Crowe (1994: 68)
  236. Imshaugia placorodia (Ach.) S. L. F. Mey. - Crowe (1994: 68)

  237. Ionaspis lacustris (With.) Lutzoni - Thomson (1997: 245 as Hymenelia lacustris)

  238. Lasallia papulosa (Ach.) Llano - Thomson (1984: 245), Crowe (1994: 68)
  239. Lasallia pensylvanica (Hoffm.) Llano - Thomson (1984: 246)

  240. Lathagrium cristatum (L.) Otálora, P.M. Jørg. & Wedin - Ahti (1964: 18 as Collema cristatum), Thomson (1984: 184 as Collema cristatum)
  241. Lathagrium fuscovirens (With.) Otálora, P.M. Jørg. & Wedin - Ahti (1964: 18 as Collema tuniforme), Thomson (1984: 192 as Collema tuniforme)
  242. Lathagrium undulatum (Laurer ex Flot.) Otálora, P. M. Jørg. & Wedin - Crowe (1994: 67 as Collema undulatum)

  243. Lecania fuscella (Schaer.) A. Massal. - Crowe (1994: 68)
  244. Lecania naegelii (Hepp) Diederich & van den Boom - Crowe (1994: 64 as Bacidia naegelii)

  245. Lecanora albella (Pers.) Ach. var. albella - Crowe (1994: 68 as Lecanora pallida)
  246. Lecanora albellula (Nyl.) Th. Fr. - Thomson (1997: 299 as Lecanora piniperda)
  247. Lecanora allophana (Ach.) Nyl. - Crowe (1994: 68), Thomson (1997: 266)
  248. Lecanora argentea Oxner & Volk. - Crowe (1994: 68)
  249. Lecanora argopholis (Ach.) Ach. - Crowe (1994: 68), Thomson (1997: 267)
  250. Lecanora cadubriae (A. Massal.) Hedl. - Thomson (1997: 271)
  251. Lecanora cateilea (Ach.) A. Massal. - Crowe (1994: 68)
  252. Lecanora cenisia Ach. - Crowe (1994: 68), Thomson (1997: 272)
  253. Lecanora chlarotera Nyl. - Crowe (1994: 68 as Lecanora rugosella), Thomson (1997: 273), Thomson (1997: 301 as Lecanora rugosella)
  254. Lecanora circumborealis Brodo & Vitik. - Crowe (1994: 68), Thomson (1997: 274)
  255. Lecanora crenulata Hook. - Thomson (1997: 277)
  256. Lecanora dispersa (Pers.) Sommerf. - Crowe (1994: 68), Thomson (1997: 278)
  257. Lecanora epibryon (Ach.) Ach. - Thomson (1997: 279)
  258. Lecanora fuliginosa Brodo - Thomson (1997: 281)
  259. Lecanora hagenii (Ach.) Ach. - Crowe (1994: 68), Thomson (1997:286)
  260. Lecanora hybocarpa (Tuck.) Brodo - Crowe (1994: 68)
  261. Lecanora intricata (Ach.) Ach.- Thomson (1997: 288)
  262. Lecanora meridionalis H. Magn. - Crowe (1994: 68)
  263. Lecanora muralis (Schreber) Rabenh. - Crowe (1994: 68), Thomson (1997: 295)
  264. Lecanora opiniconensis Brodo - Crowe (1994: 68)
  265. Lecanora orae-frigidae R. Sant. - Thomson (1997: 297)
  266. Lecanora perplexa Brodo - Crowe (1994: 68), Thomson (1997: 298)
  267. Lecanora polytropa (Ehrh. in Hoffm.) Rabenh. - Crowe (1994: 68), Thomson (1997: 299)
  268. Lecanora pulicaris (Pers.) Ach. - Crowe (1994: 68), Thomson (1997: 301)
  269. Lecanora reagens Norman - Crowe (1994: 68)
  270. Lecanora rupicola (L.) Zahlbr. - Crowe (1994: 68), Thomson (1997: 303)
  271. Lecanora saligna (Schrad.) Zahlbr. - Crowe (1994: 68), Thomson (1997: 305)
  272. Lecanora sambuci (Pers.) Nyl. - Thomson (1997: 306)
  273. Lecanora subintricata (Nyl.) Th. Fr. - Crowe (1994: 68)
  274. Lecanora subrugosa Nyl. - Thomson (1997: 308)
  275. Lecanora symmicta (Ach.) Ach. - Crowe (1994: 68), Thomson (1997: 309)
  276. Lecanora thysanophora R. C. Harris - Crowe (1994: 68)
  277. Lecanora varia (Hoffm.) Ach. - Thomson (1997: 311)
  278. Lecanora wisconsinensis H. Magn. - Crowe (1994: 68)

  279. Lecidea albohyalina (Nyl.) Th. Fr. - Thomson (1997: 325)
  280. Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. - Crowe (1994: 68), Thomson (1997: 327)
  281. Lecidea auriculata Th. Fr. - Thomson (1997: 329)
  282. Lecidea lapicida (Ach.) Ach. - Thomson (1997: 357)
  283. Lecidea lithophila (Ach.) Ach. - Crowe (1994: 69), Thomson (1997: 362)
  284. Lecidea oreinoides (Körb.) W. Weber & Hertel - Crowe (1994: 69)
  285. Lecidea paupercula Th. Fr. - Thomson (1997: 369)
  286. Lecidea plana (J. Lahm. in Körb.) Nyl. - Crowe (1994: 69), Thomson (1997: 372)
  287. Lecidea tessellata Flörke - Crowe (1994: 69), Thomson (1997: 384)
  288. Lecidea turgidula Fr. - Thomson (1997: 388), Brodo et al. (2013: 208 as Biatora turgidula)

  289. Lecidella carpathica Körb. - Crowe (1994: 69), Thomson (1997: 395)
  290. Lecidella elaeochroma (Ach.) Hazslin - Crowe (1994: 69), Thomson (1997: 396)
  291. Lecidella euphorea (Flörke) Hertel - Crowe (1994: 69), Thomson (1997: 398)
  292. Lecidella stigmatea (Ach.) Hertel & Leuck. - Crowe (1994: 69), Thomson (1997: 402)
  293. Lecidella wulfenii (Hepp) Körb. - Thomson (1997: 403)

  294. Lempholemma polyanthes (Schrad.) Malme - Crowe (1994: 69 as Lempholemma myriococcum), Thomson (1997: 407 as Lempholemma myriococcum)
  295. Lempholemma vesiculiferum Henssen - Schultz (2003: 156)

  296. Lepra amara (Ach.) Hafellner - Crowe (1994: 71 as Pertusaria amara)
  297. Lepra multipunctoides (Dibben) Lendemer & R. C. Harris - Crowe (1994: 71 as Pertusaria multipunctoides)
  298. Lepra pustulata (Brodo & W. L. Culb.) Lendemer & R. C. Harris - Crowe (1994: 69 as Loxospora pustulata)

  299. Lepraria disjuncta Lendemer - Lendemer (2010: 279 Type in New York, USA NY)
  300. Lepraria finkii (B. de Lesd. in Hue) R. C. Harris - Crowe (1994: 69)
  301. Lepraria membranacea (Dicks.) Vain. - Crowe (1994: 69 as Leproloma membranaceum)
  302. Lepraria neglecta (Nyl.) Lettau - Crowe (1994: 69), Crowe (1994: 69 as Lepraria zonata)

  303. Leproplaca chrysodeta (Vain. ex Räsänen) J. R. Laundon - Crowe (1994: 69 as Caloplaca chrysodeta), Brodo et al. (2013: 209 as Caloplaca chrysodeta)
  304. Leproplaca cirrochroa (Ach.) Arup, Frödén & Søchting - Yarranton & Green (1966: 450 as Caloplaca cirrochroa), Crowe (1994: 65 as Caloplaca cirrochroa), Brodo et al. (2013: 209 as Caloplaca cirrochroa)

  305. Leptogium burnetiae C. W. Dodge - Crowe (1994: 69)
  306. Leptogium chloromelum (Ach.) Nyl. - Ahti (1964: 18)
  307. Leptogium cyanescens (Ach.) Körb. - Ahti (1964: 18), Crowe (1994: 69)
  308. Leptogium saturninum (Dicks.) Nyl. - Ahti (1964: 18), Thomson (1984: 262), Crowe (1994: 69)

  309. Leptorhaphis atomaria (Ach.) Szatala - Crowe (1994: 69)

  310. Lichenomphalia hudsoniana (H. S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - Thomson (1984: 196 as Coriscium viride), Crowe (1994: 70 as Omphalina hudsoniana)

  311. Lichinella nigritella (Lettau) P. P. Moreno & Egea - Crowe (1994: 67 as Gonohymenia nigritella)

  312. Lobaria pulmonaria (L.) Hoffm. - Crowe (1994: 69)
  313. Lobaria quercizans Michx. - Crowe (1994: 69)

  314. Lobarina scrobiculata (Scop.) Nyl. ex Cromb. - Thomson (1984: 271 as Lobaria scrobiculata), Crowe (1994: 69 as Lobaria scrobiculata)

  315. Lobothallia alphoplaca (Wahlenb. in Ach.) Hafellner - Crowe (1994: 64 as Aspicilia alphoplaca), Thomson (1997: 59 as Aspicilia alphoplaca)

  316. Lopadium pezizoideum (Ach.) Körb. - Crowe (1994: 69), Thomson (1997: 411)

  317. Loxospora cismonica (Beltram.) Hafellner - Crowe (1994: 69)
  318. Loxospora elatina (Ach.) A. Massal. - Crowe (1994: 69)
  319. Loxospora ochrophaea (Tuck.) R. C. Harris in Egan - Crowe (1994: 69)

  320. Massalongia carnosa (Dicks.) Körb. - Ahti (1964: 18), Thomson (1984: 274)

  321. Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Crowe (1994: 69), Crowe (1994: 70 as Pachyspora verrucosa), Thomson (1997: 443 as Pachyospora verrucosa)

  322. Melanelia hepatizon (Ach.) A. Thell - Ahti (1964: 19 as Cetraria hepatizon), Thomson (1984: 82 as Cetraria hepatizon), Crowe (1994: 65 as Cetraria hepatizon)

  323. Melanelixia fuliginosa (Lamy) O. Blanco et al. - Thomson (1984: 303 sub Parmelia glabratula)
  324. Melanelixia subaurifera (Nyl.) O. Blanco et al. - Thomson (1984: 316 sub Parmelia subaurifera), Crowe (1994: 70 as Melanelia subaurifera)

  325. Melanohalea exasperatula (Nyl.) O. Blanco et al. - Ahti (1964: 20 as Parmelia aspera), Ahti (1964: 20 as Parmelia exasperatula), Thomson (1984: 300 sub Parmelia exasperatula), Crowe (1994: 69 as Melanelia exasperatula)
  326. Melanohalea infumata (Nyl.) O. Blanco et al. - Ahti (1964: 20 as Parmelia infumata), Thomson (1984: 304 sub Parmelia infumata), Crowe (1994: 69 as Melanelia infumata)
  327. Melanohalea olivacea (L.) O. Blanco et al. - Ahti (1964: 20 as Parmelia olivacea), Thomson (1984: 306 sub Parmelia olivacea), Crowe (1994: 69 as Melanelia olivacea)
  328. Melanohalea septentrionalis (Lynge) O. Blanco et al. - Thomson (1984: 311 sub Parmelia septentrionalis), Crowe (1994: 69 as Melanelia septentrionalis)

  329. Micarea melaena (Nyl.) Hedl. - Thomson (1997: 419)
  330. Micarea prasina Fr. - Crowe (1994: 70)

  331. Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Ahti (1964: 20 as Parmelia disjuncta), Thomson (1984: 299 sub Parmelia disjuncta), Crowe (1994: 69 as Melanelia disjuncta)
  332. Montanelia panniformis (Nyl.) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 309 as Parmelia panniformis), Crowe (1994: 69 as Melanelia panniformis)
  333. Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 312 sub Parmelia sorediosa), Crowe (1994: 69)
  334. Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 317 sub Parmelia substygia), Crowe (1994: 70 as Melanelia tominii)

  335. Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Crowe (1994: 70), Thomson (1997: 331 as Lecidea berengeriana), Sarrión et al. (2003: 2)
  336. Mycobilimbia carneoalbida (Müll. Arg.) S. Ekman & Printzen - Thomson (1997: 110 as Bacidia sphaeroides)
  337. Mycobilimbia epixanthoides (Nyl.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen - Thomson (1997: 101 as Bacidia epixanthoides)
  338. Mycobilimbia pilularis (Körb) Hafellner & Türk - Crowe (1994: 65 as Biatora sphaeroides)
  339. Mycobilimbia tetramera (De Not.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen ex Hafellner & Türk - Crowe (1994: 70 as Mycobilimbia obscurata), Thomson (1997: 422 as Mycobilimbia obscurata)

  340. Mycoblastus alpinus (Fr.) Kernst. - Crowe (1994: 70)
  341. Mycoblastus sanguinarius (L.) Norman - Crowe (1994: 70), Thomson (1997: 426)

  342. Myriospora smaragdula (Wahlenb. in Ach.) Knudsen & B. Abbott - Thomson (1997: 34 as Acarospora smaragdula)

  343. Nephroma arcticum (L.) Torss. - Thomson (1984: 277)
  344. Nephroma bellum (Spreng.) Tuck. - Thomson (1984: 278), Crowe (1994: 70),
  345. Nephroma expallidum (Nyl.) Nyl. - Thomson (1984: 279)
  346. Nephroma helveticum Ach. var. helveticum - Thomson (1984: 280), Crowe (1994: 70),
  347. Nephroma parile (Ach.) Ach. - Thomson (1984: 282), Crowe (1994: 70),
  348. Nephroma resupinatum (L.) Ach. - Thomson (1984: 283), Crowe (1994: 70)

  349. Ochrolechia androgyna (Hoffm.) Arnold - Crowe (1994: 70), Thomson (1997: 430)
  350. Ochrolechia frigida (Schwartz) Lynge - Thomson (1997: 431)
  351. Ochrolechia gyalectina (Nyl.) Zahlbr. - Thomson (1997: 433)
  352. Ochrolechia inaequatula (Nyl.) Zahlbr. - Thomson (1997: 434)
  353. Ochrolechia mexicana Vain. - Crowe (1994: 70)
  354. Ochrolechia pseudopallescens Brodo - Crowe (1994: 70)
  355. Ochrolechia trochophora (Vain.) Oshio var. trochophora - Crowe (1994: 70)
  356. Ochrolechia upsaliensis (L.) A. Massal. - Thomson (1997: 436)

  357. Pannaria conoplea (Ach.) Bory - Ahti (1964: 18 as Pannaria pityrea), Thomson (1984: 292)
  358. Pannaria hookeri (Borrer ex Sm.) Nyl. - Crowe (1994: 70)

  359. Parmelia fraudans (Nyl.) Nyl. - Ahti (1964: 20 as Parmelia fraudans), Thomson (1984: 302 sub Parmelia fraudans), Crowe (1994: 70)
  360. Parmelia omphalodes (L.) Ach. - Ahti (1964: 20), Thomson (1984: 308), Crowe (1994: 70)
  361. Parmelia saxatilis (L.) Ach. - Thomson (1984: 310), Crowe (1994: 70)
  362. Parmelia squarrosa Hale - Hale (1971: 29), Thomson (1984: 313), Crowe (1994: 70)
  363. Parmelia sulcata Tayl. - Thomson (1984: 318), Crowe (1994: 70)

  364. Parmeliella praetermissa (Nyl.) James - Thomson (1984: 320)
  365. Parmeliella tryptophylla (Ach.) Mül.Arg. - Thomson (1984: 321), Crowe (1994: 70)

  366. Parmeliopsis ambigua (Wulf.) Nyl. - Thomson (1984: 325), Crowe (1994: 70)
  367. Parmeliopsis hyperopta (Ach.) Arn. - Thomson (1984: 326), Crowe (1994: 70)

  368. Parmotrema arnoldii (Du Rietz) Hale - Crowe (1994: 70)
  369. Parmotrema crinitum (Ach.) M. Choisy - Crowe (1994: 70)

  370. Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - Thomson (1997: 173 as Caloplaca tiroliensis)

  371. Peltigera aphthosa (L.) Willd. - Thomson (1984: 329), Crowe (1994: 70)
  372. Peltigera canina (L.) Willd. - Crowe (1994: 70)
  373. Peltigera collina (Ach.) Schrad. - Thomson (1984: 334), Crowe (1994: 71)
  374. Peltigera didactyla (With.) J. R. Laundon - Thomson (1984: 332 as Peltigera canina f. sorediata), Crowe (1994: 71)
  375. Peltigera elisabethae Gelnik - Crowe (1994: 71)
  376. Peltigera evansiana Gyeln. - Gyelnik (1932: 39), Crowe (1994: 71)
  377. Peltigera horizontalis (Huds.) Baumg. - Thomson (1984: 337), Crowe (1994: 71)
  378. Peltigera lepidophora (Nyl.) Vain. - Thomson (1984: 338), Crowe (1994: 71)
  379. Peltigera leucophlebia (Nyl.) Gyeln. - Thomson (1984: 330 as Peltigera aphthosa var. leucophlebia), Crowe (1994: 71)
  380. Peltigera malacea (Ach.) Funck. - Thomson (1984: 339), Crowe (1994: 71)
  381. Peltigera neckeri Hepp ex Müll. Arg. - Crowe (1994: 71)
  382. Peltigera neopolydactyla (Gyelnik) Gyelnik - Crowe (1994: 71)
  383. Peltigera polydactyla (Neck.) Hoffm. - Thomson (1984: 343), Crowe (1994: 71)
  384. Peltigera ponojensis Gyelnik - Crowe (1994: 71)
  385. Peltigera praetextata (Flörke ex Sommerf.) Zopf - Crowe (1994: 71)
  386. Peltigera rufescens (Weiss) Humb. - Thomson (1984: 333 as Peltigera canina var. rufescens), Crowe (1994: 71)
  387. Peltigera scabrosa Th. Fr. - Thomson (1984: 344), Crowe (1994: 71)
  388. Peltigera venosa (L.) Baumg. - Thomson (1984: 345), Crowe (1994: 71)

  389. Pertusaria alpina Hepp ex Ahles - Thomson (1997: 447)
  390. Pertusaria consocians Dibben - Crowe (1994: 71)
  391. Pertusaria coriacea (Th. Fr.) Th. Fr. - Thomson (1997: 452)
  392. Pertusaria dactylina (Ach.) Nyl. - Thomson (1997: 453)
  393. Pertusaria hymenea (Ach.) Schaer. - Crowe (1994: 71)
  394. Pertusaria octomela (Norman) Erichsen - Thomson (1997: 457)
  395. Pertusaria panyrga (Ach.) A. Massal. - Thomson (1997: 459)
  396. Pertusaria sommerfeltii (Flörke ex Sommerf.) Flörke - Thomson (1997: 461)
  397. Pertusaria subobducens Nyl. - Thomson (1997: 462)

  398. Phaeophyscia adiastola (Essl.) Essl. - Crowe (1994: 71)
  399. Phaeophyscia endococcina (Körb.) Moberg - Thomson (1984: 348), Crowe (1994: 71)
  400. Phaeophyscia hirsuta (Mereschk.) Essl. - Crowe (1994: 71)
  401. Phaeophyscia hispidula (Ach.) Essl. - Crowe (1994: 71)
  402. Phaeophyscia kairamoi (Vain.) Moberg - Crowe (1994: 71)
  403. Phaeophyscia orbicularis (Necker) Moberg - Crowe (1994: 71)
  404. Phaeophyscia pusilloides (Zahlbr.) Essl. - Crowe (1994: 71)
  405. Phaeophyscia rubropulchra (Degel.) Essl. - Crowe (1994: 71)
  406. Phaeophyscia sciastra (Ach.) Moberg - Thomson (1984: 349), Crowe (1994: 71)

  407. Phlyctis argena (Sprengel) Flot. - Crowe (1994: 71)

  408. Phylliscum demangeonii (Moug. & Mont in Mont.) Nyl. - Thomson (1997: 469)

  409. Physcia adscendens (Fr.) Oliv. - Thomson (1984: 352), Crowe (1994: 71)
  410. Physcia aipolia (Humb.) Fürnrohr. - Thomson (1984: 353), Crowe (1994: 71)
  411. Physcia caesia (Hoffm.) Fürnrohr. - Thomson (1984: 354), Crowe (1994: 71)
  412. Physcia dubia (Hoffm.) Lettau - Thomson (1984: 355), Crowe (1994: 71)
  413. Physcia millegrana Degel. - Crowe (1994: 71)
  414. Physcia phaea (Tuck.) J. W. Thomson - Thomson (1984: 356), Crowe (1994: 71)
  415. Physcia stellaris (L.) Nyl. - Crowe (1994: 71)
  416. Physcia subtilis Degel. - Crowe (1994: 71)

  417. Physconia detersa (Nyl.) Poelt - Thomson (1984: 359), Crowe (1994: 71)
  418. Physconia muscigena (Ach.) Poelt - Thomson (1984: 360), Crowe (1994: 72)
  419. Physconia perisidiosa (Erichsen) Moberg - Crowe (1994: 72)

  420. Placidium lachneum (Ach.) B. de Lesd. - Crowe (1994: 65 as Catapyrenium lachneum)

  421. Placynthiella oligotropha (J. R. Laundon) Coppins & James - Thomson (1997: 474)
  422. Placynthiella uliginosa (Schrad.) Coppins & James - Thomson (1997: 475)

  423. Placynthium asperellum (Ach.) Trevisan - Thomson (1984: 365 as Placynthium aspratile), Crowe (1994: 72)
  424. Placynthium flabellosum (Tuck.) Zahlbr. - Crowe (1994: 72)
  425. Placynthium nigrum (Huds.) Gray - Thomson (1984: 366), Crowe (1994: 72)

  426. Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Ahti (1964: 19 as Cetraria glauca), Thomson (1984: 368), Crowe (1994: 72)
  427. Platismatia tuckermanii (Oakes) W. L. Culb. & C. F. Culb. - Ahti (1964: 19 as Cetraria tuckermanii), Crowe (1994: 72)

  428. Polyblastia cupularis A. Massal. - Crowe (1994: 72)

  429. Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Crowe (1994: 74 as Xanthoria candelaria)
  430. Polycauliona polycarpa (Hoffm.) Frödén, Arup & Søchting - Thomson (1984: 487 as Xanthoria polycarpa), Crowe (1994: 74 as Xanthoria polycarpa)

  431. Polysporina simplex (Borrer ex Hook.) Vezda - Thomson (1997: 486)

  432. Porpidia calcarea Gowan - Crowe (1994: 72)
  433. Porpidia cinereoatra (Ach.) Hertel & Knoph - Crowe (1994: 72), Crowe (1994: 72 as Porpidia herteliana)
  434. Porpidia contraponenda (Lowe) Gowan - Crowe (1994: 72 as Porpidia diversa)
  435. Porpidia crustulata (Ach.) Hertel & Knoph - Crowe (1994: 72)
  436. Porpidia macrocarpa (DC. in Lam. & DC.) Hertel & Schwab - Crowe (1994: 72)
  437. Porpidia speirea (Ach.) Kremp. - Thomson (1997: 497), Crowe (1994: 72)
  438. Porpidia tuberculosa (Sm. in Sm. & Sow.) Hertel & Knoph - Thomson (1997: 500)

  439. Protoblastenia rupestris (Scop.) Steiner - Crowe (1994: 72), Thomson (1997: 503)

  440. Protopannaria pezizoides (Web.) P. M. Jørg. & S. Ekman - Ahti (1964: 18 as Pannaria pezizoides), Thomson (1984: 294 as Pannaria pezizoides)

  441. Protoparmelia badia (Hoffm.) Hafellner - Crowe (1994: 72), Thomson (1997: 269 as Lecanora badia)

  442. Pseudevernia consocians (Vain.) Hale & W. L. Culb. - Crowe (1994: 72)

  443. Protothelenella sphinctrinoidella (Nyl.) Mayrh. & Poelt - Thomson (1997: 504)
  444. Protothelenella sphinctrinoides (Nyl.) Mayrh. & Poelt - Thomson (1997: 505)

  445. Pseudocyphellaria crocata (L.) Vain. - Crowe (1994: 72)

  446. Pseudoparmelia uleana (Nyl.) Hale - Crowe (1994: 72 erroneously as Pseudoparmelia sphaerospora)

  447. Psilolechia lucida (Ach.) M. Choisy - Crowe (1994: 72)

  448. Psora globifera (Ach.) A. Massal. - Thomson (1997: 508)

  449. Psoroma hypnorum (Vahl) Gray - Ahti (1964: 18), Thomson (1984: 375)

  450. Psorula rufonigra (Tuck.) Schneider - Crowe (1994: 72), Thomson (1997: 515)

  451. Punctelia rudecta (Ach.) Krog - Crowe (1994: 72)
  452. Punctelia stictica (Duby) Krog - Crowe (1994: 72)

  453. Ramalina americana Hale - Crowe (1994: 72)
  454. Ramalina calicaris (L.) Fr. - Crowe (1994: 72)
  455. Ramalina dilacerata (Hoffm.) Hoffm. - Crowe (1994: 72)
  456. Ramalina farinacea (L.) Ach. - Crowe (1994: 72)
  457. Ramalina intermedia (Del. ex Nyl.) Nyl. - Thomson (1984: 379), Crowe (1994: 72)
  458. Ramalina obtusata (Arnold) Bitter - Crowe (1994: 72)
  459. Ramalina pollinaria (Westr.) Ach. - Crowe (1994: 72)
  460. Ramalina roesleri (Hochst. ex Schaerer) Hue - Thomson (1984: 233 as Fisturiella roesleri), Crowe (1994: 72)
  461. Ramalina thrausta (Ach.) Nyl. - Thomson (1984: 382), Crowe (1994: 72)

  462. Ramboldia cinnabarina (Sommerf.) Kalb, Lumbsch & Elix - Crowe (1994: 69 as Lecidea cinnabarina)

  463. Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Crowe (1994: 72), Thomson (1997: 524)
  464. Rhizocarpon cinereovirens (Müll. Arg.) Vain. - Crowe (1994: 72), Thomson (1997: 528)
  465. Rhizocarpon concentricum (Davis) Beltram. - Thomson (1997: 529)
  466. Rhizocarpon disporum (Naeg. ex Hepp) Müll. Arg. - , Crowe (1994: 72)
  467. Rhizocarpon eupetraeum (Nyl.) Arnold - Thomson (1997: 533)
  468. Rhizocarpon geminatum Körb. - Thomson (1997: 537)
  469. Rhizocarpon geographicum (L.) DC. - Fahselt (1976: 1743), Crowe (1994: 72), Thomson (1997: 538)
  470. Rhizocarpon grande (Flörke ex Flot.) Arnold - , Crowe (1994: 72), Thomson (1997: 539)
  471. Rhizocarpon hochstetteri (Körb.) Vain. - Thomson (1997: 540)
  472. Rhizocarpon jemtlandicum Malme - Crowe (1994: 72), Thomson (1997: 542)
  473. Rhizocarpon lecanorinum Anders - Crowe (1994: 72)
  474. Rhizocarpon macrosporum Räsänen - , Crowe (1994: 72), Thomson (1997: 543)
  475. Rhizocarpon obscuratum auct. - Crowe (1994: 73), Thomson (1997: 544)
  476. Rhizocarpon oederi (Weber) Körb. - Crowe (1994: 73)
  477. Rhizocarpon plicatile (Leight.) A. L. Sm. - Crowe (1994: 73)
  478. Rhizocarpon polycarpum (Hepp) Th. Fr. - Crowe (1994: 73), Thomson (1997: 546)
  479. Rhizocarpon sphaerosporum Räsänen - Crowe (1994: 73)
  480. Rhizocarpon subgeminatum Eitner - Crowe (1994: 73)

  481. Rhizoplaca chrysoleuca (Sm.) Zopf - Ahti (1964: 18 as Lecanora rubina), Crowe (1994: 73), Thomson (1997: 554)
  482. Rhizoplaca melanophthalma (Ramond) Leuck. & Poelt - Crowe (1994: 73), Thomson (1997: 555)

  483. Rinodina archaea (Ach.) Vain. - Crowe (1994: 73), Thomson (1997: 560)
  484. Rinodina austroborealis Sheard - Sheard (2010: 47 Type in CANL)
  485. Rinodina metaboliza Vain. - Thomson (1997: 566)
  486. Rinodina turfacea (Wahlenb.) Körb. - Crowe (1994: 73), Thomson (1997: 571)

  487. Romjularia lurida (Ach.) Timdal - Crowe (1994: 69 as Lecidea lurida), Thomson (1997: 509 as Psora lurida)

  488. Rufoplaca arenaria (Pers.) Arup, Søchting & Frödén - Crowe (1994: 65 as Caloplaca arenaria), Thomson (1997: 152 as Caloplaca arenaria)

  489. Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Thomson (1984: 484 as Xanthoria elegans), Crowe (1994: 74 as Xanthoria elegans)
  490. Rusavskia sorediata (Vain.) S. Y. Kondr. & Kärnefelt - Thomson (1984: 487), Crowe (1994: 74 as Xanthoria sorediata)

  491. Sarcogyne clavus (DC.) Kremp. - Thomson (1997: 577)
  492. Sarcogyne regularis Körb. - Crowe (1994: 73), Thomson (1997: 579)

  493. Schaereria fuscocinerea (Nyl.) Clauzade & Cl. Roux - Thomson (1997: 584 as Schaereria tenebrosa), Crowe (1994: 73)

  494. Sclerophora pallida (Pers.) Y. J. Yao & Spooner - Crowe (1994: 73 as Sclerophora nivea)

  495. Scoliciosporum chlorococcum (Graewe ex Stenh.) Vezda - Crowe (1994: 73)
  496. Scoliciosporum umbrinum (Ach.) Arnold - Thomson (1997: 585)

  497. Scytinium californicum (Tuck.) Otálora, P. M. Jørg. & Wedin - Crowe (1994: 69 as Leptogium californicum)
  498. Scytinium fragrans (Sm.) Ach. - Crowe (1994: 67 as Collema fragrans)
  499. Scytinium gelatinosum (With.) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 263 as Leptogium sinuatum), Thomson (1984: 264 as Leptogium tenuisimum)
  500. Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Ahti (1964: 18 as Leptogium lichenoides), Thomson (1984: 257 as Leptogium lichenoides), Crowe (1994: 69 as Leptogium lichenoides)
  501. Scytinium subtile (Schrad.) Otálora, P. M. Jørg. & Wedin - Thomson (1984: 259 as Leptogium minutissimum)
  502. Scytinium teretiusculum (Wallr.) Otálora, P. M. Jørg. & Wedin - Crowe (1994: 69 as Leptogium teretiusculum)

  503. Solitaria chrysophthalma (Degel.) Arup, Søchting & Frödén - Crowe (1994: 65 as Caloplaca chrysophthalma)

  504. Solorina saccata (L.) Ach. - Thomson (1984: 390), Crowe (1994: 73)
  505. Solorina spongiosa (Ach.) Anzi - Thomson (1984: 391), Crowe (1994: 73)

  506. Sphaerophorus globosus (Huds.) Vain. - Thomson (1984: 394)

  507. Spilonema paradoxum Bornet - Crowe (1994: 73)
  508. Spilonema revertens Nyl. - Ahti (1964: 18), Crowe (1994: 73)

  509. Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén - Brodo et al. (2013: 209 as Caloplaca subsoluta)

  510. Staurothele areolata (Ach.) Lettau - Crowe (1994: 73), Thomson (1997: 592)
  511. Staurothele drummondii (Tuck.) Tuck. - Crowe (1994: 73), Thomson (1997: 595)
  512. Staurothele fissa (Tayler) Zwackh - Crowe (1994: 73), Thomson (1997: 596)

  513. Stereocaulon alpinum Laurer - Thomson (1984: 400), Crowe (1994: 73)
  514. Stereocaulon botryosum Ach. em. Frey - Thomson (1984: 405), Crowe (1994: 73)
  515. Stereocaulon condensatum Hoffm. - Thomson (1984: 407), Crowe (1994: 73)
  516. Stereocaulon dactylophyllum Flörke - Thomson (1984: 410), Crowe (1994: 73)
  517. Stereocaulon glaucescens Tuck. - Crowe (1994: 73)
  518. Stereocaulon grande (H. Magn.) H. Magn. - Thomson (1984: 413), Crowe (1994: 73)
  519. Stereocaulon paschale (L.) Hoffm. - Thomson (1984: 418), Crowe (1994: 73)
  520. Stereocaulon pileatum Ach. - Thomson (1984: 419), Crowe (1994: 73)
  521. Stereocaulon rivulorum H. Magn. - Crowe (1994: 73)
  522. Stereocaulon saxatile H. Magn. - Thomson (1984: 423), Crowe (1994: 73)
  523. Stereocaulon spathuliferum Vain. - Thomson (1984: 425)
  524. Stereocaulon subcoralloides (Nyl.) Nyl. - Crowe (1994: 73)
  525. Stereocaulon tomentosum Fr. - Thomson (1984: 428), Crowe (1994: 73)

  526. Sticta canariensis (Bory) Bory ex Delise - Brodo (1994: 76 cyanobacterial morph "Sticta dufourii"), Crowe (1994: 73)

  527. Strangospora moriformis (Ach.) Stein - Thomson (1997: 599)

  528. Strigula jamesii (Swinscow) R. C. Harris - Harris (1973: 10 erroneously as Arthopyrenia affinis)

  529. Synalissa symphorea (Ach.) Nyl. - Crowe (1994: 73)

  530. Tephromela atra (Huds.) Hafellner - Crowe (1994: 73), Thomson (1997: 633)

  531. Thalloidima sedifolium (Scop.) Kistenich, Timdal, Bendiksby & S. Ekman - Thomson (1997: 614 as Toninia coeruleonigricans)

  532. Thamnolia subuliformis (Ehrh.) W. L. Culb. - Thomson (1984: 438)

  533. Thelidium pyrenophorum (Ach.) Körb. - Crowe (1994: 73), Thomson (1997: 607)

  534. Thelocarpon epibolum Nyl. - Thomson (1997: 609)

  535. Toninia philippea (Mont.) Timdal - Thomson (1997: 199 as Catillaria philippea)
  536. Toninia populorum (A. Massal.) Kistenich, Timdal, Bendiksby & S. Ekman - Brodo et al. (2013: 206 as Arthrosporum populorum)
  537. Toniniopsis aromatica (Sm.) Kistenich, Timdal, Bendiksby & S. Ekman - Crowe (1994: 73 as Toninia aromatica), Thomson (1997: 613 as Toninia aromatica)

  538. Trapelia placodioides Coppins & P. James - Crowe (1994: 74)

  539. Trapeliopsis flexuosa (Fr.) Coppins & P. James - Thomson (1997: 623)
  540. Trapeliopsis granulosa (Hoffm.) Lumbsch - Crowe (1994: 74), Thomson (1997: 624)
  541. Trapeliopsis viridescens (Schrad.) Coppins & P. James - Crowe (1994: 74)

  542. Tremolecia atrata (Ach.) Hertel - Thomson (1997: 627)

  543. Tryblidaria nivalis (Bagl. & Carestia) Rehm - Thomson (1997: 134 as Buellia nivalis)

  544. Tuckermannopsis americana W. L. Culb. & C. F. Culb. - Thomson (1984: 81 as Cetraria halei), Crowe (1994: 74)
  545. Tuckermannopsis ciliaris (Ach.) Gyeln. - Ahti (1964: 18 as Cetraria ciliaris), Crowe (1994: 74)
  546. Tuckermannopsis orbata (Nyl.) Lai - Crowe (1994: 74)
  547. Tuckermannopsis sepincola (Ehrh.) Ach. - Ahti (1964: 19 as Cetraria sepincola), Thomson (1984: 94 as Cetraria sepincola), Crowe (1994: 74)

  548. Umbilicaria arctica (Ach.) Nyl. - Thomson (1984: 444), Crowe (1994: 74)
  549. Umbilicaria deusta (L.) Baumg. - Thomson (1984: 449), Crowe (1994: 74)
  550. Umbilicaria hirsuta (Sw.) Ach. - Thomson (1984: 452)
  551. Umbilicaria hyperborea (Ach.) Hoffm. - Thomson (1984: 453), Crowe (1994: 74)
  552. Umbilicaria mammulata (Ach.) Tuck. - Crowe (1994: 74)
  553. Umbilicaria muehlenbergii (Ach.) Tuck. - Thomson (1984: 26 as Actinogyra muehlenbergii), Crowe (1994: 74)
  554. Umbilicaria polyphylla (L.) Baumg. - Thomson (1984: 457)
  555. Umbilicaria polyrrhiza (L.) Fr. - Thomson (1984: 27 as Actinogyra polyrrhiza)
  556. Umbilicaria proboscidea (L.) Schrad. - Thomson (1984: 458)
  557. Umbilicaria torrefacta (Lightf.) Schrad. - Thomson (1984: 459)
  558. Umbilicaria vellea (L.) Ach. - Thomson (1984: 460), Crowe (1994: 74)

  559. Usnea cavernosa Tuck. - Thomson (1984: 463), Crowe (1994: 74)
  560. Usnea dasypoga (Ach.) Röhl. - Thomson (1984: 465)
  561. Usnea filipendula Stirton - Crowe (1994: 74)
  562. Usnea glabrata (Ach.) Vain. - Thomson (1984: 466), Crowe (1994: 74)
  563. Usnea hirta (L.) F. H. Wigg. - Thomson (1984: 466), Crowe (1994: 74), Crowe (1994: 74 as Usnea variolosa)
  564. Usnea lapponica Vain. - Crowe (1994: 74)
  565. Usnea longissima Ach. - Crowe (1994: 74)
  566. Usnea scabrata Nyl. - Crowe (1994: 74)
  567. Usnea subfloridana Stirt. - Thomson (1984: 469), Crowe (1994: 74)
  568. Usnea subfusca Stirton - Crowe (1994: 74)
  569. Usnea substerilis Mot. - Thomson (1984: 470)
  570. Usnea trichodea Ach. - Crowe (1994: 74)

  571. Usnocetraria oakesiana (Tuck.) M. J. Lai & C. J. Wei - Ahti (1964: 19 as Cetraria oakesiana), Crowe (1994: 74 as Tuckermannopsis oakesiana)

  572. Vahliella leucophaea (Vahl) P. M. Jørg. - Ahti (1964: 18 as Parmeliella microphylla), Crowe (1994: 70 as Pannaria leucophaea)

  573. Varicellaria velata (Turner) Nyl. - Crowe (1994: 71 as Pertusaria velata)

  574. Verrucaria aethiobola Wahlenb. - Thomson (1997: 632)
  575. Verrucaria amylacea A. Massal. - Yarranton & Green (1966: 450)
  576. Verrucaria margacea (Wahlenb. in Ach.) Wahlenb. - Thomson (1997: 639)
  577. Verrucaria muralis Ach. - Thomson (1997: 641)
  578. Verrucaria nigrescens Pers. - Yarranton & Green (1966: 450), Crowe (1994: 74), Thomson (1997: 642)
  579. Verrucaria rupestris Schrad. - Thomson (1997: 643)

  580. Vulpicida pinastri (Scop.) J.-E. Mattsson - Ahti (1964: 19), Thomson (1984: 93 as Cetraria pinastri), Crowe (1994: 74)

  581. Xanthocarpia crenulatella (Nyl.) Frödén, Arup & Søchting - Brodo et al. (2013: 209 as Caloplaca crenulatella)
  582. Xanthocarpia feracissima (H. Magn.) Frödén, Arup & Søchting - Brodo et al. (2013: 209 as Caloplaca feracissima)

  583. Xanthoparmelia conspersa (Ach.) Hale - Ahti (1964: 20 as Parmelia conspersa), Crowe (1994: 74)
  584. Xanthoparmelia cumberlandia (Gyeln.) Hale - Crowe (1994: 74)
  585. Xanthoparmelia stenophylla (Ach.) Ahti & D. Hawksw. - Crowe (1994: 74 as Xanthoparmelia somloensis)
  586. Xanthoparmelia viriduloumbrina (Gyeln.) Lendemer - Thomson (1984: 480 erroneously as Xanthoparmelia taractica)

  587. Xanthomendoza fallax (Hepp) Söchting, Kärnefelt & S. Kondr. - Thomson (1984: 486 as Xanthoria fallax), Crowe (1994: 74 as Xanthoria fallax)
  588. Xanthomendoza hasseana (Räsänen) Söchting, Kärnefelt & S. Kondr. - Brodo et al. (2007: 306)

  589. Xanthoria parietina (L.) Th. Fr. - Brodo et al. (2007: 306)

  590. Xylographa abietina (Pers.) Zahlbr. - Crowe (1994: 74), Thomson (1997: 646)

  591. Xylopsora friesii (Ach. in Lilj.) Bendiksby & Timdal - Thomson (1997: 248 as Hypocenomyce friesii)