Checklist of lichens of Newfoundland & Labrador (Canada)
Version 31 December 2017

 

  1. Acarospora fuscata (Nyl.) Arnold - Thomson (1997: 24)
  2. Acarospora glaucocarpa (Wahlenb.) Körb. - Thomson (1997: 25)

  3. Adelolecia pilati (Hepp) Hertel & Hafellner - Thomson (1997: 37)

  4. Alectoria nigricans (Ach.) Nyl. - Thomson (1984: 35), Walker (2007: 89), Lendemer (2008: 103)
  5. Alectoria ochroleuca (Hoffm.) A. Massal. - Thomson (1984: 37), Walker (2007: 89)
  6. Alectoria sarmentosa - Walker (2007: 88), Deduke (2014: 35)
  7. Alectoria vexillifera (Nyl.) Stizenb. - Thomson (1984: 38) Lendemer (2008: 103)

  8. Allantoparmelia almquistii (Vain.) Essl. - Thomson (1984: 297 as Parmelia almquistii)
  9. Allantoparmelia alpicola (Th. Fr.) Essl. - Thomson (1984: 299 as Parmelia alpicola)

  10. Amandinea coniops (Wahlenb. in Ach.) Th. Fr. - Thomson (1997: 128 as Buellia coniops)
  11. Amandinea punctata (Hoffm.) Coppins & Scheid. - Thomson (1997: 138 as Buellia punctata)

  12. Amygdalaria panaeola (Ach.) Hertel & Brodo - Thomson (1997: 42)

  13. Anaptychia crinalis (Schaer.) Vezda - Thomson (1984: 40 erroneously as Anaptychia kaspica)

  14. Arctocetraria andrejevii (Oxner) Kärnefelt & A. Thell - Thomson (1984: 72 as Cetraria andrejevii)

  15. Arctoparmelia centrifuga (L.) Hale - Thomson (1984: 476 as Xanthoparmelia centrifuga)
  16. Arctoparmelia incurva (Pers.) Hale - Thomson (1984: 478 as Xanthoparmelia incurva)

  17. Arthopyrenia punctiformis (Pers.) A. Massal. - Thomson (1997: 49)

  18. Arthrorhaphis citrinella (Ach.) Poelt - Lendemer (2008: 101)

  19. Aspicilia cinerea (L.) Körb. - Thomson (1997: 68)

  20. Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Thomson (1997: 164 as Caloplaca holocarpa)
  21. Athallia pyracea (Ach.) Arup, Frödén & Søchting - Deduke (2014: 35)
  22. Athallia scopularis (Nyl.) Arup, Frödén & Søchting - Thomson (1997: 169 as Caloplaca scopularis)

  23. Bacidia bagliettoana (A. Massal. & de Not. in A. Massal.) Jatta - Thomson (1997: 99)

  24. Baeomyces carneus (Retz.) Flörke - Thomson (1984: 48)
  25. Baeomyces placophyllus Ach. - Thomson (1984: 49)
  26. Baeomyces rufus (Huds.) Rebent. - Thomson (1984: 52), Deduke (2014: 35)

  27. Bellemerea alpina (Sommerf.) Clauz. & Roux - Thomson (1997: 115)
  28. Bellemerea cinereorufescens (Ach.) Clauz. & Cl. Roux - Thomson (1997: 116)

  29. Biatora vernalis (L.) Ach. - Thomson (1997: 389 as Lecidea vernalis)

  30. Bilimbia lobulata (Sommerf.) Hafellner & Coppins - Thomson (1997: 617 as Toninia lobulata)
  31. Bilimbia microcarpa (Th. Fr.) Th. Fr. - Thomson (1997: 105 as Bacidia microcarpa)
  32. Bilimbia sabuletorum (Schreb.) Arnold - Thomson (1997: 422 as Mycobilimbia sabuletorum)

  33. Bryobilimbia diapensiae (Th. Fr.) Fryday, Printzen & S. Ekman - Thomson (1997: 342 as Lecidea diapensiae)

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

  35. Bryonora castanea (Hepp) Poelt - Thomson (1997: 122)

  36. Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Thomson (1997: 166 as Caloplaca jungermanniae)
  37. Bryoplaca sinapisperma (DC.) Søchting, Frödén & Arup - Thomson (1997: 170 as Caloplaca sinapisperma)

  38. Bryoria americana - Deduke (2014: 35)
  39. Bryoria capillaris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 55)
  40. Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Thomson (1984: 56)
  41. Bryoria furcellata - Walker (2007: 90)
  42. Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Thomson (1984: 57), Walker (2007: 90)
  43. Bryoria glabra (Mot.) Brodo & D. Hawksw. - Thomson (1984: 58)
  44. Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Thomson (1984: 59), Walker (2007: 90)
  45. Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw. - Thomson (1984: 61), Walker (2007: 90)
  46. Bryoria nitidula ( Th. Fr.) Brodo & D. Hawksw. - Thomson (1984: 63), Walker (2007: 90)
  47. Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Thomson (1984: 65)
  48. Bryoria tenuis (Dahl) Brodo & D. Hawksw. - Thomson (1984: 66)
  49. Bryoria trichodes (Michx.) Brodo & D. Hawksw. - Thomson (1984: 68), Deduke (2014: 35)

  50. Buellia aethalea (Ach.) Th. Fr. - Thomson (1997: 125)
  51. Buellia disciformis (Fr.) Mudd - Thomson (1997: 129), Deduke (2014: 35)
  52. Buellia stigmatea (Schaer.) Körb. - Thomson (1997: 140)

  53. Calicium abietinum Pers. - Thomson (1997: 143)
  54. Calicium trabinellum (Ach.) Ach. - Thomson (1997: 145)
  55. Calicium viride Pers. - Thomson (1997: 146)

  56. Caloplaca cerina (Hedw.) Th. Fr. - Thomson (1997: 154)
  57. Caloplaca discolor (Willey) Fink - Deduke (2014: 35)
  58. Caloplaca fraudans (Th. Fr.) H. Olivier - Deduke (2014: 35)
  59. Caloplaca stillicidiorum (Vahl) Lynge - Thomson (1997: 172)
  60. Caloplaca tornoensis H. Magn. - Thomson (1997: 175)

  61. Calvitimela aglaea (Sommerf.) Hafellner - Thomson (1997: 600 as Tephromela aglaea)
  62. Calvitimela armeniaca (DC. in Lam. & DC.) Hafellner - Thomson (1997: 60 as Tephromela armeniaca)

  63. Candelariella aurella (Hoffm.) Zahlbr. - Thomson (1997: 182)
  64. Candelariella canadensis H. Magn. - Westberg (2010: 121)
  65. Candelariella citrina Räsänen - Thomson (1997: 187 as Candelariella terrigena)

  66. Candelariella efflorescens R. C. Harris & W. R. Buck- Deduke (2014: 35)
  67. Carbonea vorticosa (Flörke) Hertel - Thomson (1997: 193)

  68. Catinaria atropurpurea (Schaer.) Vezda & Poelt - Deduke (2014: 35)
  69. Cetraria aculeata (Schreb.) Fr. - Thomson (1984: 198 as Cornicularia aculeata)
  70. Cetraria ericetorum Opiz - Thomson (1984: 79), Walker (2007: 88)
  71. Cetraria islandica (L.) Ach. - Thomson (1984: 84), Walker (2007: 88)
  72. Cetraria islandica (L.) Ach. subsp. crispiformis (Räsänen) Kärnefelt - Deduke (2014: 35)
  73. Cetraria laevigata Rass. - Thomson (1984: 88)
  74. Cetraria muricata (Ach.) Ach. - Thomson (1984: 200 as Cornicularia muricata), Thell et al. (2002: 286 DNA: ITS), Deduke (2014: 35)

  75. Cetraria nigricans (Retz.) Nyl. - Thomson (1984: 89 as Cetraria nigricans), Walker (2007: 89 as Cetraria nigricans)

  76. Cetrariella commixta(Nyl.) A. Thell & Kärnefelt - Thomson (1984: 75 as Cetraria commixta)
  77. Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Schaerer (1850: 16 as Cetraria islandica delta delisei), Kärnefelt (1979: 68 Lectotype in Uppsala, Sweden UPS), Thomson (1984: 77 as Cetraria delisei)

  78. Chaenotheca brunneola (Ach.) Müll. Arg. - Deduke (2014: 35)

  79. Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, Savic & Tibell - Thomson (1997: 65 as Aspicilia caesiocinerea)

  80. Cladonia acuminata ( Ach.) Norrl. var. acuminata - Thomson (1984: 105), Thomson (1984: 152 as Cladonia norrlinii), Deduke (2014: 35)
  81. Cladonia amaurocraea (Flörke) Schaer. - Thomson (1984: 107), Walker (2007: 88)
  82. Cladonia arbuscula (Wallr.) Rabenh. - Thomson (1984: 110), Walker (2007: 88), Deduke (2014: 35)
  83. Cladonia bellidiflora (Ach.) Schaer. - Thomson (1984: 113), Walker (2007: 88)
  84. Cladonia borealis S. Stenroos - Deduke (2014: 35)
  85. Cladonia boryi Tuck. - Deduke (2014: 35)
  86. Cladonia botrytes (Hag.) Willd. - Thomson (1984: 114)
  87. Cladonia cariosa (Ach.) Spreng. - Thomson (1984: 116), Deduke (2014: 35)
  88. Cladonia carneola (Fr.) Fr. - Thomson (1984: 117), Deduke (2014: 35)
  89. Cladonia cenotea (Ach.) Schaer. - Ahti (1983: 323), Thomson (1984: 118), Deduke (2014: 35)
  90. Cladonia chlorophaea ( Flörke ex. Sommerf.) Spreng. - Thomson (1984: 119), Walker (2007: 89), Deduke (2014: 35)
  91. Cladonia coccifera (L.) Willd. - Thomson (1984: 121), Walker (2007: 88)
  92. Cladonia coccifera (Flörke) Spreng. - Thomson (1984: 122), Walker (2007: 89), Deduke (2014: 35)
  93. Cladonia coniocraea (Flörke) Spreng. - Deduke (2014: 35)
  94. Cladonia conista (Ach.) Robbins - Deduke (2014: 35)
  95. Cladonia cornuta (L.) Hoffm. subsp. cornuta - Thomson (1984: 124), Walker (2007: 88), Deduke (2014: 35)
  96. Cladonia crispata (Ach.) Flot. var. crispata - Ahti (1983: 323), Thomson (1984: 125), Walker (2007: 89), Deduke (2014: 35)
  97. Cladonia cyanipes (Somm.) Nyl. - Thomson (1984: 127)
  98. Cladonia deformis (L.) Hoffm. - Thomson (1984: 129), Deduke (2014: 35)
  99. Cladonia digitata (L.) Hoffm. - Thomson (1984: 131), Deduke (2014: 36)
  100. Cladonia ecmocyna Leight. subsp. ecmocyna - Thomson (1984: 132)
  101. Cladonia fimbriata (L.) Fr. - Thomson (1984: 133), Thomson (1984: 144 as Cladonia major), Deduke (2014: 36)
  102. Cladonia gracilis (L.) Willd. subsp. turbinata (Ach.) Ahti - Thomson (1984: 136), Deduke (2014: 36)
  103. Cladonia gracilis (L.) Willd. subsp. gracilis - Thomson (1984: 137), Walker (2007: 88)
  104. Cladonia gracilis (L.) Willd. subsp. elongata (Wulfen) Vain. - Deduke (2014: 36)
  105. Cladonia labradorica Ahti & Brodo - Ahti & Brodo (1981: 239), Walker (2007: 89)
  106. Cladonia macilenta Hoffm. - Deduke (2014: 36)
  107. Cladonia macrophylla (Schaer.) Stenham. - Thomson (1984: 141), Walker (2007: 89)
  108. Cladonia macrophyllodes Nyl. - Thomson (1984: 143)
  109. Cladonia maxima (Asah.) Ahti - Thomson (1984: 145), Deduke (2014: 36)
  110. Cladonia merochlorophaea Asah. - Thomson (1984: 143)
  111. Cladonia mitis Sandst. - Thomson (1984: 148), Walker (2007: 88), Deduke (2014: 36)
  112. Cladonia multiformis G. Merr. - Deduke (2014: 36)
  113. Cladonia ochrochlora Flörke - Deduke (2014: 36)
  114. Cladonia peziziformis (With.) J. R. Laundon - Deduke (2014: 36)
  115. Cladonia pleurota (Flörke) Schaer. - Thomson (1984: 154), Walker (2007: 89), Deduke (2014: 36)
  116. Cladonia pocillum (Ach.) O. Rich. - Thomson (1984: 156)
  117. Cladonia pyxidata (L.) Hoffm. - Thomson (1984: 158), Deduke (2014: 36)
  118. Cladonia rangiferina (L.) F. H. Wigg. - Ahti (1983: 323 as Cladina rangiferina), Thomson (1984: 159), Walker (2007: 88), Deduke (2014: 36)
  119. Cladonia rei Schaer. - Lendemer (2008: 102), Deduke (2014: 36)
  120. Cladonia scabriuscula (Del. in Duby) Nyl. - Thomson (1984: 160), Deduke (2014: 36), Deduke (2014: 36 as Cladonia farinacea)
  121. Cladonia squamosa (Scop.) Hoffm. - Thomson (1984: 161), Deduke (2014: 36)
  122. Cladonia stellaris (Opiz) Pouzar & Vezda - Ahti (1983: 323 as Cladina stellaris), Thomson (1984: 163), Thomson (1984: 104 as Cladonia aberrans), Walker (2007: 88), Deduke (2014: 36)
  123. Cladonia stricta (Nyl.) Nyl. - Thomson (1984: 164)
  124. Cladonia stygia (Fr.) Ruoss - Deduke (2014: 36)
  125. Cladonia subfurcata (Nyl.) Arn. - Thomson (1984: 166), Walker (2007: 89)
  126. Cladonia subulata (L.) Weber ex F. H. Wigg. - Deduke (2014: 36)
  127. Cladonia sulphurina (Michx.) Fr. - Thomson (1984: 169), Walker (2007: 88)
  128. Cladonia terrae-novae Ahti - Ahti (1960: 131 Type in Helsinki, Finland F), Ahti (1961: 81), Ahti (1993: 99), Deduke (2014: 36)
  129. Cladonia turgida Ehrh. ex Hoffm. - Thomson (1984: 172), Deduke (2014: 36)
  130. Cladonia uncialis (L.) F. H. Wigg. - Thomson (1984: 173), Walker (2007: 88), Deduke (2014: 36)
  131. Cladonia verticillata (Hoffm.) Schaer. - Thomson (1984: 174), Deduke (2014: 36)
  132. Cladonia wainioi (Asah.) Savicz - Thomson (1984: 157 as Cladonia pseudorangiformis), Deduke (2014: 36)

  133. Collema furfuraceum (Schaer.) Du Rietz - Deduke (2014: 36)

  134. Coniocybe furfuracea (L.) Ach. - Thomson (1997: 210)

  135. Cyphelium tigillare (Ach.) Ach. - Thomson (1997: 214)

  136. Dactylina arctica (Richardson) Nyl. - Thomson (1984: 203)

  137. Dermatocarpon miniatum (L.) W. Mann - Deduke (2014: 36)

  138. Dibaeis baeomyces (L. f.) Rambold & Hertel - Thomson (1984: 51 as Baeomyces roseus)

  139. Diploschistes muscorum (Scop.) R. Sant. - Thomson (1997: 218)
  140. Diploschistes scruposus (Schreb.) Norman - Thomson (1997: 218), Deduke (2014: 36)

  141. Diplotomma alboatrum (Hoffm.) Flot. - Thomson (1997: 127 as Buellia alboatra)

  142. Enchylium polycarpon (Hoffm.) Otálora, P. M. Jørg. & Wedin -Thomson (1984: 190 as Collema polycarpon)

  143. Evernia mesomorpha Nyl. - Deduke (2014: 36)

  144. Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Thomson (1984: 76 as Cetraria cucullata), Walker (2007: 88)
  145. Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Thomson (1984: 92 as Cetraria nivalis), Walker (2007: 88)

  146. Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Deduke (2014: 36)
  147. Flavoplaca marina (Wedd.) Arup, Frödén & Søchting - Thomson (1997: 166 as Caloplaca marina)

  148. Fuscidea recensa (Stirt.) Hertel, V. Wirth & Vezda - Thomson (1997: 233)

  149. Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Thomson (1984: 320 as Parmeliella praetermissa), Lendemer (2008: 104)

  150. Graphis scripta (L.) Ach. - Deduke (2014: 36)
  151. Gyalecta friesii (A. Massal.) Körb. - Thomson (1997: 239)

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

  153. Hydropunctaria maura (Wahlenb.) C. Keller, Gueidan & Thüs - Thomson (1997: 640 as Verrucaria maura)

  154. Hypogymnia bitteri (Lynge) Ahti - Thomson (1984: 238), Walker (2007: 90)
  155. Hypogymnia incurvoides Rass. - Deduke (2014: 36)
  156. Hypogymnia physodes (L.) Nyl. - Ahti (1983: 323), Thomson (1984: 241), Walker (2007: 88)
  157. Hypogymnia vittata (Ach.) Gas. - Thomson (1984: 243)

  158. Icmadophila ericetorum (L.) Zahlbr. - Thomson (1997: 249), Walker (2007: 89)

  159. Imshaugia aleurites (Ach.) S. L. F. Mey. - Thomson (1984: 321 as Parmeliopsis aleurites)

  160. Japewia tornoensis (Nyl.) Tønsberg - Thomson (1997: 387 as Lecidea tornoensis)

  161. Lasallia papulosa (Ach.) Llano - Thomson (1984: 245)
  162. Lasallia pensylvanica (Hoffm.) Llano - Thomson (1984: 246)

  163. Lecanactis abietina (Ehrh. ex Ach.) Körb. - Lendemer (2008: 101)

  164. Lecanora albellula (Nyl.) Th. Fr. var. albellula - Thomson (1997: 299 as Lecanora piniperda)
  165. Lecanora allophana (Ach.) Nyl. - Thomson (1997: 266)
  166. Lecanora atrosulphurea (Wahlenb.) Ach. - Thomson (1997: 267)
  167. Lecanora cenisia Ach. - Thomson (1997: 271)
  168. Lecanora circumborealis Brodo & Vitik. - Thomson (1997: 274)
  169. Lecanora epibryon (Ach.) Ach. - Thomson (1997: 279), Lendemer (2008: 104)
  170. Lecanora expallens Ach. - Thomson (1997: 280)
  171. Lecanora fuscescens (Sommerf.) Nyl. - Thomson (1997: 282)
  172. Lecanora intricata (Schrad.) Ach. - Thomson (1997: 288)
  173. Lecanora muralis (Schreb.) Rabenh. - Thomson (1997: 295 as Lecanora muralis)
  174. Lecanora orae-frigidae R. Sant. - Thomson (1997: 297)
  175. Lecanora polytropa (Ehrh. ex Hoffm.) Rabenh. - Thomson (1997: 299)
  176. Lecanora straminea (Wahlenb.) Ach. - Thomson (1997: 306)
  177. Lecanora subintricata (Nyl.) Th. Fr. - Thomson (1997: 307)
  178. Lecanora symmicta (Ach.) Ach. - Thomson (1997: 309)
  179. Lecanora torrida Vain. - Lendemer (2008: 105)
  180. Lecanora varia (Hoffm.) Ach. - Thomson (1997: 311)
  181. Lecanora xylophila Hue - Thomson (1997: 284 as Lecanora grantii)

  182. Lecidea auriculata Th. Fr. - Thomson (1997: 329)
  183. Lecidea fuscoatra (L.) Ach. - Thomson (1997: 347)
  184. Lecidea helvola (Körb. ex Hellb.) Th. Fr. - Thomson (1997: 347)
  185. Lecidea lactea Flörke ex Schaer. - Thomson (1997: 355)
  186. Lecidea lapicida (Ach.) Ach. - Thomson (1997: 357), Lendemer (2008: 105)

  187. Lecidea lithophila (Ach.) Ach. - Thomson (1997: 362)
  188. Lecidea nylanderi (Anzi) Th. Fr. - Thomson (1997: 365)
  189. Lecidea paupercula Th. Fr. - Thomson (1997: 369)
  190. Lecidea plana (J. Lahm) Nyl. - Thomson (1997: 372)
  191. Lecidea ramulosa Th. Fr. - Thomson (1997: 376)
  192. Lecidea tessellata Flörke - Thomson (1997: 384)
  193. Lecidea turgidula Fr. - Thomson (1997: 388)

  194. Lecidella carpathica Körb. - Thomson (1997: 395)
  195. Lecidella viridans (Flot.) Körb. - Thomson (1997: 401)

  196. Lecidoma demissum (Rutstr.) Gotth. Schneider & Hertel - Thomson (1997: 405)

  197. Lepra dactylina (Ach.) Hafellner - Thomson (1997: 453 as Pertusaria dactylina), Walker (2007: 89 as Pertusaria dactylina)

  198. Leptogium saturninum (Dicks.) Nyl. - Thomson (1984: 262)

  199. Lichenomphalia hudsoniana (H. S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - Thomson (1984: 196 as Coriscium viride)

  200. Lithographa tesserata (DC. in Lam. & DC.) Nyl. - Thomson (1997: 408)

  201. Lobaria pulmonaria (L.) Hoffm. - Walker (2007: 88)

  202. Lobarina scrobiculata (Scop.) Nyl. ex Cromb. - Thomson (1984: 271 as Lobaria scrobiculata), Lendemer (2008: 101 as Lobaria scrobiculata)

  203. Lopadium pezizoideum (Ach.) Körb. - Thomson (1997: 411)

  204. Masonhalea richardsonii (Hook.) Kärnefelt - Walker (2007: 88)

  205. Massalongia carnosa (Dicks.) Körb. - Thomson (1984: 274)

  206. Melanelia hepatizon (Ach.) A. Thell - Thomson (1984: 82 as Cetraria hepatizon)

  207. Melanelixia subaurifera (Nyl.) O. Blanco et al. - Thomson (1984: 316 as Parmelia subaurifera)

  208. Melanohalea exasperatula (Nyl.) O. Blanco et al. - Thomson (1984: 300 as Parmelia exasperatula)
  209. Melanohalea infumata (Nyl.) O. Blanco et al. - Thomson (1984: 304 as Parmelia infumata)
  210. Melanohalea olivacea (L.) O. Blanco et al. - Thomson (1984: 306 as Parmelia olivacea)
  211. Melanohalea septentrionalis (Lynge) O. Blanco et al. - Thomson (1984: 311 as Parmelia septentrionalis)

  212. Micarea denigrata (Fr.) Hedl. - Thomson (1997: 415)
  213. Micarea melaena (Nyl.) Hedl. - Thomson (1997: 419)

  214. Montanelia disjuncta (Erichsen) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 299 as Parmelia disjuncta)
  215. Montanelia panniformis (Nyl.) Divakar, A. Crespo, Wedin & Essl. - Thomson (1984: 309 as Parmelia panniformis)

  216. Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Thomson (1997: 331 as Lecidea berengeriana)
  217. Mycobilimbia carneoalbida (Müll. Arg.) S. Ekman & Printzen - Thomson (1997: 110 as Bacidia sphaeroides)
  218. Mycobilimbia tetramera (De Not.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen ex Hafellner & Türk - Thomson (1997: 422 as Mycobilimbia obscurata)

  219. Mycoblastus alpinus (Fr.) Kernst. - Thomson (1997: 425)
  220. Mycoblastus sanguinarius (L.) Norman - Ahti (1983: 323), Thomson (1997: 426)

  221. Myriolecis dispersa (Pers.) Sliwa, Zhao Xin & Lumbsch - Thomson (1997: 278 as Lecanora dispersa)
  222. Myriolecis hagenii (Ach.) Sliwa, Zhao Xin & Lumbsch - Thomson (1997:286 as Lecanora hagenii)

  223. Myriospora smaragdula (Wahlenb. ex Ach.) K. Knudsen & B. Abbott - Thomson (1997: 34 as Acarospora smaragdula), Knudsen (2007: 95 as Acarospora smaragdula)

  224. Nephroma arcticum (L.) Torss. - Thomson (1984: 277), Walker (2007: 89)
  225. Nephroma bellum (Spreng.) Tuck. - Thomson (1984: 278)
  226. Nephroma helveticum Ach. var. helveticum - Thomson (1984: 280)
  227. Nephroma parile (Ach.) Ach. - Thomson (1984: 282)
  228. Nephroma resupinatum (L.) Ach. - Thomson (1984: 283)

  229. Ochrolechia androgyna (Hoffm.) Arnold - Thomson (1997: 430), Walker (2007: 89)
  230. Ochrolechia frigida (Sw.) Lynge - Thomson (1997: 431), Walker (2007: 89)
  231. Ochrolechia inaequatula (Nyl.) Zahlbr. - Thomson (1997: 434)

  232. Ophioparma lapponica (Räsänen) Hafellner & Rogers - Thomson (1997: 440)

  233. Orphniospora moriopsis (A. Massal) D. Hawksw. - Thomson (1997: 441)

  234. Parmelia fraudans (Nyl.) Nyl. - Thomson (1984: 302)
  235. Parmelia omphalodes (L.) Ach. - Thomson (1984: 308), Lendemer (2008: 103)
  236. Parmelia saxatilis (L.) Ach. - Ahti (1983: 323), Thomson (1984: 310), Lendemer (2008: 102)
  237. Parmelia squarrosa Hale - Thomson (1984: 313)
  238. Parmelia sulcata Tayl. - Ahti (1983: 323), Thomson (1984: 318), Walker (2007: 88), Lendemer (2008: 102)

  239. Parmeliella triptophylla (Ach.) Mü. Arg. - Thomson (1984: 321)

  240. Parmeliopsis ambigua (Wulf.) Nyl. - Ahti (1983: 323), Thomson (1984: 325), Walker (2007: 90)
  241. Parmeliopsis hyperopta (Ach.) Arn. - Thomson (1984: 326), Walker (2007: 90)

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

  243. Peltigera aphthosa (L.) Willd. - Ahti (1983: 323), Thomson (1984: 329), Walker (2007: 88)
  244. Peltigera collina (Ach.) Schrad. - Thomson (1984: 334)
  245. Peltigera didactyla (With.) J. R. Laundon - Thomson (1984: 332 as Peltigera canina f. sorediata)
  246. Peltigera horizontalis (Huds.) Baumg. - Thomson (1984: 337)
  247. Peltigera hymenina (Ach.) Delise - Lendemer (2008: 102)
  248. Peltigera lepidophora (Nyl.) Vain. - Thomson (1984: 338)
  249. Peltigera leucophlebia (Nyl.) Gyeln. - Thomson (1984: 330 as Peltigera aphthosa var. leucophlebia)
  250. Peltigera malacea (Ach.) Funck - Thomson (1984: 339), Walker (2007: 89)
  251. Peltigera membranacea (Ach.) Nyl. - Thomson (1984: 340)
  252. Peltigera polydactylon (Neck.) Hoffm. - Thomson (1984: 343)
  253. Peltigera rufescens (Weiss) Humb. - Thomson (1984: 333 as Peltigera canina var. rufescens)
  254. Peltigera scabrosa Th. Fr. - Thomson (1984: 344), Walker (2007: 89)
  255. Peltigera venosa (L.) Baumg. - Thomson (1984: 345)

  256. Pertusaria alpina Hepp ex Ahles - Thomson (1997: 447)
  257. Pertusaria atra Lynge - Thomson (1997: 448)
  258. Pertusaria bryontha (Ach.) Nyl. - Thomson (1997: 449)
  259. Pertusaria carneopallida (Nyl.) Anzi ex Nyl. - Thomson (1997: 451)
  260. Pertusaria coriacea (Th. Fr.) Th. Fr. - Thomson (1997: 452)
  261. Pertusaria panyrga (Ach.) A. Massal. - Thomson (1997: 459), Walker (2007: 89)
  262. Pertusaria subobducens Nyl. - Thomson (1997: 462)
  263. Pertusaria waghornei Hulting - Hulting (1896: 191 Type )

  264. Phaeophyscia sciastra (Ach.) Moberg - Thomson (1984: 349)

  265. Physcia adscendens H. Olivier - Thomson (1984: 352)
  266. Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Thomson (1984: 353), Walker (2007: 90)
  267. Physcia caesia (Hoffm.) Hampe ex Fürnr. - Thomson (1984: 354)
  268. Physcia dubia (Hoffm.) Lettau - Thomson (1984: 355)
  269. Physcia tenella (Scop.) DC. subsp. marina (A. Nyl.) D. Hawksw. - Thomson (1984: 357 as Physcia subobscura)

  270. Physconia muscigena (Ach.) Poelt - Thomson (1984: 360)

  271. Pilophorus cereolus (Ach.) Th. Fr. in Hellbom - Thomson (1984: 362)

  272. Plastimatia glauca (L.) W. L. Culb. & C. F. Culb. - Thomson (1984: 368), Walker (2007: 90)

  273. Polyblastia bryophila Lönnr. - Thomson (1997: 477)
  274. Polyblastia hyperborea Th. Fr. - Thomson (1997: 481)
  275. Polyblastia theleodes (Sommerf.) Th. Fr. - Thomson (1997: 484)

  276. Polycauliona verruculifera (Vain.) Arup, Frödén & Søchting -Thomson (1997: 177 as Caloplaca verruculifera)

  277. Polychidium muscicola (Sw.) Gray - Thomson (1984: 370)

  278. Porpidia flavocoerulescens (Hornem.) Hertel & Schwab - Thomson (1997: 491 as Porpidia flavicunda), Thomson (1997: 492)
  279. Porpidia soredizodes (Nyl. ex Lamy) J. R. Laundon - Fryday et al. (2007: 4)

  280. Protoblastenia rupestris (Scop.) Steiner - Thomson (1997: 503)

  281. Protomicarea limosa Ach. - Thomson (1997: 361 as Lecidea limosa)

  282. Protopannaria pezizoides (Web.) P. M. Jørg. & S. Ekman - Thomson (1984: 294 as Pannaria pezizoides)

  283. Protoparmelia badia (Hoffm.) Hafellner - Thomson (1997: 269 as Lecanora badia), Lendemer (2008: 105)

  284. Pseudephebe minuscula (Nyl. ex Arnold) Brodo & D. Hawksw. - Thomson (1984: 373)
  285. Pseudephebe pubescens (L.) M. Choisy - Thomson (1984: 374)

  286. Psoroma hypnorum (Vahl) Gray - Thomson (1984: 375)

  287. Pycnothelia papillaria (Ehrh.) Duf. - Thomson (1984: 377)

  288. Ramalina dilacerata (Hoffm.) Hoffm. - Walker (2007: 90)
  289. Ramalina farinacea (L.) Ach. - Lendemer (2008: 104)
  290. Ramalina intermedia (Del. ex Nyl.) Nyl. - Thomson (1984: 379)
  291. Ramalina roesleri (Hoechst. ex Schaer.) Hue - Thomson (1984: 233 as Fistulariella roesleri)
  292. Ramalina thrausta (Ach.) Nyl. - Thomson (1984: 382)

  293. Ramboldia cinnabarina Sommerf. - Thomson (1997: 336 as Lecidea cinnabarina)

  294. Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Thomson (1997: 524)
  295. Rhizocarpon concentricum (Davies) Beltr. - Thomson (1997: 529)
  296. Rhizocarpon copelandii (Körb.) Th. Fr. - Thomson (1997: 531)
  297. Rhizocarpom distinctum Th. Fr. - Thomson (1997: 532)
  298. Rhizocarpon eupetraeum (Nyl.) Arnold - Thomson (1997: 533)
  299. Rhizocarpon geminatum Körb. - Thomson (1997: 537)
  300. Rhizocarpon geographicum (L.) DC. - Thomson (1997: 538)
  301. Rhizocarpon grande (Flörke ex Flotow) Arnold - Thomson (1997: 539)
  302. Rhizocarpon macrosporum Räsänen - Thomson (1997: 543)
  303. Rhizocarpon microsporum Lynge - Thomson (1997: 545)
  304. Rhizocarpon polycarpum (Hepp) Th. Fr. - Thomson (1997: 546)
  305. Rhizocarpon riparium Räsänen - Thomson (1997: 548)
  306. Rhizocarpon superficiale (Schaer.) Vain. - Thomson (1997: 551)

  307. Rinodina mniaraea (Ach.) Körb. - Thomson (1997: 567)
  308. Rinodina turfacea (Wahlenb.) Körb. - Thomson (1997: 571)

  309. Ropalospora lugubris (Sommerf.) Poelt - Thomson (1997: 571)

  310. Rusavskia elegans (Link.) S. Y. Kondr. & Kärnefelt - Thomson (1984: 484 as Xanthoria elegans), Lendemer (2008: 106 as Xanthoria elegans)

  311. Schaereria fuscocinerea (Nyl.) Clauzade & Cl. Roux - Lendemer (2008: 102)
  312. Schaereria tenebrosa (Flot.) Hertel & Poelt - Thomson (1997: 584)

  313. Scoliciosporum umbrinum (Ach.) Arnold - Thomson (1997: 585)

  314. Siphula ceratites (Wahlenb.) Fr. - Thomson (1984: 384)

  315. Solorina crocea (L.) Ach. - Thomson (1984: 387)
  316. Solorina saccata (L.) Ach. - Thomson (1984: 390)
  317. Solorina spongiosa (Sm.) Anzi - Thomson (1984: 391)

  318. Sphaerophorus fragilis (L.) Pers. - Thomson (1984: 393)
  319. Sphaerophorus globosus (Huds.) Vain. - Thomson (1984: 394), Walker (2007: 89), Lendemer (2008: 101)

  320. Sporastatia polyspora (Nyl.) Grumm. - Thomson (1997: 588)

  321. Stereocaulon alpinum Laur. - Thomson (1984: 400)
  322. Stereocaulon arcticum Lynge - Thomson (1984: 402)
  323. Stereocaulon botryosum Ach. em. Frey - Thomson (1984: 405)
  324. Stereocaulon condensatum Hoff. - Thomson (1984: 407)
  325. Stereocaulon dactylophyllum Flörke - Thomson (1984: 410), Walker (2007: 89)
  326. Stereocaulon grande (Magn.) Magn. - Thomson (1984: 413), Walker (2007: 89)
  327. Stereocaulon paschale (L.) Hoffm. - Ahti (1983: 323), Thomson (1984: 418), Walker (2007: 88)
  328. Stereocaulon pileatum Ach. - Thomson (1984: 419)
  329. Stereocaulon rivulorum Magn. - Thomson (1984: 421)
  330. Stereocaulon saxatile Magn. - Thomson (1984: 423)
  331. Stereocaulon subcoralloides (Nyl.) Nyl. - Thomson (1984: 426)
  332. Stereocaulon tomentosum Fr. - Thomson (1984: 428), Lendemer (2008: 102)
  333. Stereocaulon vesuvianum Pers. - Thomson (1984: 430)

  334. Tephromela atra (Huds.) Hafellner - Thomson (1997: 633)

  335. Thelidium absconditum (Hepp) Rabenh. - Thomson (1997: 605)
  336. Theledium minutulum Körb. - Thomson (1997: 605)
  337. Theledium papulare (Fr.) Arnold - Thomson (1997: 607)

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

  339. Trapelia coarctata (Turner ex Sm. & Sow.) M. Choisy - Thomson (1997: 621)

  340. Trapeliopsis flexuosa (Fr.) Coppins & James - Thomson (1997: 623)

  341. Tremolecia atrata (Ach.) Hertel - Thomson (1997: 627), Lendemer (2008: 105)

  342. Tuckermannopsis americana (Sprengel) Hale - Thomson (1984: 81 as Cetraria halei)
  343. Tuckermannopsis chlorophylla (Willd.) Hale - Thomson (1984: 73 as Cetraria chlorophylla), Walker (2007: 90 as Cetraria chlorophylla)
  344. Tuckermannopsis ciliaris (Ach.) Gyeln. - Walker (2007: 88)
  345. Tuckermannopsis sepincola (Ehrh.) Hale - Thomson (1984: 94 as Cetraria sepincola), Walker (2007: 90 as Cetraria sepincola)

  346. Umbilicaria arctica (Ach.) Nyl. - Thomson (1984: 444)
  347. Umbilicaria cylindrica (L.) Del. in Duby - Thomson (1984: 448)
  348. Umbilicaria deusta (L.) Baumg. - Thomson (1984: 449)
  349. Umbilicaria havaasii Llano - Thomson (1984: 450)
  350. Umbilicaria hyperborea (Ach.) Hoffm. - Ahti (1983: 323), Thomson (1984: 453), Walker (2007: 88)
  351. Umbilicaria muehlenbergii (Ach.) Tuck. - Thomson (1984: 26 as Actinogyra muehlenbergii)
  352. Umbilicaria phaea Tuck. - Thomson (1984: 455)
  353. Umbilicaria polaris (Schol.) Zahlbr. - Thomson (1984: 289 erroneously as Omphalodiscus krascheninnikovii)
  354. Umbilicaria polyphylla (L.) Baumg. - Thomson (1984: 457)
  355. Umbilicaria proboscidea (L.) Schrad. - Thomson (1984: 458)
  356. Umbilicaria torrefacta (Lightf.) Schrad. - Thomson (1984: 459)
  357. Umbilicaria vellea (L.) Ach. - Thomson (1984: 460)
  358. Umbilicaria virginis Schaer. - Thomson (1984: 290 as Omphalodiscus virginis)

  359. Usnea cavernosa Tuck. - Thomson (1984: 463)
  360. Usnea dasypoga (Ach.) Röhl. - Thomson (1984: 465)
  361. Usnea filipendula - Walker (2007: 90)
  362. Usnea subfloridana Stirt. - Thomson (1984: 469)

  363. Varicellaria rhodocarpa (Körb.) Th. Fr. - Thomson (1997: 629)

  364. Verrucaria ceuthocarpa Wahlenb. - Thomson (1997: 635)
  365. Verrucaria erichsenii Zschacke - Thomson (1997: 637)
  366. Verrucaria nigrescens Pers. - Thomson (1997: 642)
  367. Verrucaria rupestris Schrad. - Thomson (1997: 643)

  368. Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Thomson (1984: 93 as Cetraria pinastri), Walker (2007: 90)

  369. Wahlenbergiella striatula (Wahlenb.) Gueidan & Thüs - Thomson (1997: 645 as Verrucaria striatula)

  370. Xylographa abietina (Pers.) Zahlbr. - Thomson (1997: 646)