Checklist of lichens of Northwest Territories (Canada) 31 December 2018

 

1. Acarospora badiofusca (Nyl.) Th. Fr. - Ahti et al. (1973: 54)
   
2. Acarospora glaucocarpa (Wahlenb. ex Ach.) Körb. - Ahti et al. (1973: 54)

3. Agonimia gelatinosa (Ach.) Th. Fr. - Ahti et al. (1973: 70 as Polyblastia gelatinosa First record for continental North America)

4. Alectoria nigricans (Ach.) Nyl. - Ahti et al. (1973: 56), Gould (1994: 44)
   
5. Alectoria ochroleuca (Hoffm.) A. Massal. - Ahti et al. (1973: 56)

6. Allocetraria madreporiformis (Ach.) Kärnefelt & A. Thell - Gould (1994: 45 as Dactylina madreporiformis)

7. Amandinea punctata (Hoffm.) Coppins & Scheid. - Ahti et al. (1973: 57 as Buellia punctata)

8. Arctocetraria nigricascens (H. Magn.) Kärnefelt & A. Thell - Ahti et al. (1973: 59 as Cetraria sibirica)

9. Arctoparmelia incurva (Pers.) Hale - Ahti et al. (1973: 68 as Parmelia incurva)
   
10. Arctoparmelia separata (Th. Fr.) Hale - Ahti et al. (1973: 68 as Parmelia separata)

11. Arthonia lapidicola (Taylor) Branth & Rostrup - Ahti et al. (1973: 56)

12. Arthopyrenia punctiformis (Pers.) A. Massal. - Ahti et al. (1973: 56)

13. Aspicilia alboradiata (H. Magn.) Oxner - Ahti et al. (1973: 63 as Lecanora alboradiata)
    
14. Aspicilia cinerea (L.) Körb. - Ahti et al. (1973: 63 as Lecanora cinerea)
    
15. Aspicilia disserpens (Zahlbr.) Räsänen - Ahti et al. (1973: 63 as Lecanora disserpens)
    
16. Aspicilia narssaquensis (Lynge) J. W. Thomson - Ahti et al. (1973: 63 as Lecanora basaltica)
    
17. Aspicilia ryrkaipiae (H. Magn.) Oxner - Ahti et al. (1973: 64 as Lecanora ryrkaipiae First record for continental North America)

18. Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Ahti et al. (1973: 58 as Caloplaca holocarpa)

19. Bacidia bagliettoana (A. Massal. & De Not.) Jatta - Ahti et al. (1973: 56)
    
20. Bacidia beckhausii Körb. - Ahti et al. (1973: 56)
    
21. Bacidia herbarum (Stizenb.) Arnold - Ahti et al. (1973: 56 First record for continental North America)
    
22. Bacidia illudens (Nyl.) H. Olivier - Ahti et al. (1973: 56 First record for continental North America)
    
23. Bacidia subincompta (Nyl.) Arnold - Ahti et al. (1973: 56)

24. Baeomyces carneus (Retz.) Flörke - Ahti et al. (1973: 57)
    
25. Baeomyces rufus (Huds.) Rebent. - Thomson (1967a: xxx), Ahti et al. (1973: 57)

26. Biatora pallens (Kullh.) Printzen - Ahti et al. (1973: 56 as Bacidia pallens First record for continental North America), Printzen & Otte (2005: 57)
    
27. Biatora vernalis (L.) Fr. - Ahti et al. (1973: 66 as Lecidea vernalis)

28. Bilimbia lobulata (Sommerf.) Hafellner & Coppins - Ahti et al. (1973: 72 as Toninia lobulata)

29. Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Ahti et al. (1973: 57 as Caloplaca ammiospila), Ahti et al. (1973: 57 as Caloplaca cinnamomea), Ahti et al. (1973: 58 as Caloplaca discoidalis First record for continental North America)

30. Bryobilimbia hypnorum (Lib.) Fryday, Printzen & S. Ekman - Ahti et al. (1973: 65 as Lecidea templetonii)

31. Bryocaulon divergens (Ach.) Kärnefelt - Ahti et al. (1973: 62 as Cornicularia divergens)

32. Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Ahti et al. (1973: 58 as Caloplaca jungermanniae)
    
33. Bryoplaca sinapisperma (Lam. & DC.) Søchting, Frödén & Arup - Ahti et al. (1973: 58 as Caloplaca sinapisperma)
    
34. Bryoplaca tetraspora (Nyl.) Søchting, Frödén & Arup - Ahti et al. (1973: 58 as Caloplaca tetraspora)

35. Bryoria glabra (Motyka) Brodo & D. Hawksw. - Ahti et al. (1973: 56 as Alectoria glabra)
    
36. Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Ahti et al. (1973: 56 as Alectoria lanestris First record for continental North America)
    
37. Bryoria nitidula (Th. Fr.) Brodo & D. Hawksw. - Ahti et al. (1973: 56 as Alectoria nitidula)
    
38. Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Ahti et al. (1973: 56 as Alectoria simplicior)

39. Buellia aethalea (Ach.) Th. Fr. - Ahti et al. (1973: 57)
    
40. Buellia erubescens Arnold - Ahti et al. (1973: 57 as Buellia zahlbruckneri)
    
41. Buellia immersa Lynge - Ahti et al. (1973: 57 First record for continental North America)
    
42. Buellia leptocline (Flot.) A. Massal. - Ahti et al. (1973: 57 as Buellia disciformis var. leptocline)
    
43. Buellia spuria (Schaer.) Anzi - Ahti et al. (1973: 57)
    
44. Buellia vilis Th. Fr. - Ahti et al. (1973: 57)

45. Calicium abietinum Pers. - Ahti et al. (1973: 57)
    
46. Calicium salicinum Pers. - Ahti et al. (1973: 57)
    
47. Calicium trabinellum (Ach.) Ach. - Ahti et al. (1973: 57)
    
48. Calicium viride Pers. - Ahti et al. (1973: 57)

49. Calogaya saxicola (Hoffm.) Vondrák - Ahti et al. (1973: 58 as Caloplaca saxicola)

50. Caloplaca borealis (Vain.) Poelt - Ahti et al. (1973: 57 First record for continental North America)
    
51. Caloplaca cerina (Ehrh. ex Hedwig) Th. Fr. - Ahti et al. (1973: 57), Ahti et al. (1973: 58 as Caloplaca stillicidiorum)
    
52. Caloplaca ferrugineofusca (Vain.) H. Magn. - Ahti et al. (1973: 58 First record for continental North America)
    
53. Caloplaca phaeocarpella (Nyl.) Zahlbr. - Ahti et al. (1973: 57 as Caloplaca caesiorufella First record for continental North America)
    
54. Caloplaca spitsbergensis H. Magn. - Ahti et al. (1973: 58 First record for continental North America)

55. Candelariella aurella (Hoffm.) Zahlbr. - Ahti et al. (1973: 58)
    
56. Candelariella lutella (Vain.) Räsänen - Ahti et al. (1973: 58 First record for continental North America)
    
57. Candelariella vitellina (Hoffm.) Müll. Arg. - Ahti et al. (1973: 58)
    
58. Candelariella xanthostigma (Pers. ex Ach.) Lettau - Ahti et al. (1973: 58)

59. Carbonea vorticosa (Flörke) Hertel - Ahti et al. (1973: 66)

60. Catinaria atropurpurea (Schaer.) Vezda & Poelt - Ahti et al. (1973: 58 as Catillaria atropurpurea)

61. Cetraria aculeata (Schreb.) Fr. - Gould (1994: 45 as Coelocaulon aculeatum)
    
62. Cetraria ericetorum Opiz subsp. ericetorum - Ahti et al. (1973: 58 as )
    
63. Cetraria islandica (L.) Ach. subsp. islandica - Ahti et al. (1973: 59), Gould (1994: 44)
    
64. Cetraria laevigata Rass. - Ahti et al. (1973: 59 as )
    
65. Cetraria muricata (Ach.) Eckfeldt - Ahti et al. (1973: 62 as Cornicularia muricata)

66. Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Ahti et al. (1973: 58 as Cetraria delisei)

67. Chaenotheca phaeocephala (Turn.) Th. Fr. - Ahti et al. (1973: 59)

68. Cladonia acuminata (Ach.) Norrl. var. acuminata - Ahti et al. (1973: 59 as Cladonia acuminata var. norrlinii)
    
69. Cladonia alaskana A. Evans - Ahti et al. (1973: 59), Gould (1994: 45)
    
70. Cladonia amaurocraea (Flörke) Schaer. - Ahti et al. (1973: 59)
    
71. Cladonia arbuscula (Wallr.) Rabenh. subsp. beringiana Ahti - Ahti et al. (1973: 59)
    
72. Cladonia bacillaris (Ach.) Nyl. - Ahti et al. (1973: 59)
    
73. Cladonia bacilliformis (Nyl.) Sarnth. - Ahti et al. (1973: 59)
    
74. Cladonia bellidiflora (Ach.) Schaer. - Ahti et al. (1973: 60)
    
75. Cladonia cariosa (Ach.) Spreng. - Ahti et al. (1973: 60)
    
76. Cladonia cenotea (Ach.) Schaer. - Ahti et al. (1973: 60)
    
77. Cladonia chlorophaea (Somm.) Spreng. - Ahti et al. (1973: 60)
    
78. Cladonia coccifera (L.) Willd. - Ahti et al. (1973: 60)
    
79. Cladonia cornuta (L.) Hoffm. subsp. cornuta - Ahti et al. (1973: 60)
    
80. Cladonia crispata (Ach.) Flot. var. crispata - Ahti et al. (1973: 60)
    
81. Cladonia cryptochlorophaea Asah. - Ahti et al. (1973: 60)
    
82. Cladonia cyanipes (Sommerf.) Nyl. - Ahti et al. (1973: 60)
    
83. Cladonia decorticata (Flörke) Spreng. - Ahti et al. (1973: 60)
    
84. Cladonia deformis (L.) Hoffm. - Ahti et al. (1973: 60)
    
85. Cladonia ecmocyna (S. Gray) Leight. subsp. ecmocyna - Ahti et al. (1973: 60)
    
86. Cladonia fimbriata (L.) Fr. - Ahti et al. (1973: 60)
    
87. Cladonia gracilis (L.) Willd. subsp. elongata (Nyl.) Ahti - Ahti et al. (1973: 60 as Cladonia gracilis var. nigripes)
    
88. Cladonia granulans Vain. - Ahti et al. (1973: 61 First record for Canada)
    
89. Cladonia grayi G. Merr. ex Sandst. - Ahti et al. (1973: 61)
    
90. Cladonia macrophylla (Schaer.) Stenham. - Ahti et al. (1973: 61)
    
91. Cladonia mitis Sandst. - Ahti et al. (1973: 61)
    
92. Cladonia multiformis G. Merr. - Ahti et al. (1973: 61)
    
93. Cladonia phyllophora Hoffm. - Ahti et al. (1973: 61)
    
94. Cladonia pleurota (Flörke) Schaer. - Ahti et al. (1973: 61)
    
95. Cladonia pocillum (Ach.) O. Rich. - Ahti et al. (1973: 61), Gould (1994: 45)
    
96. Cladonia pyxidata (L.) Hoffm. - Ahti et al. (1973: 61), Gould (1994: 45)
    
97. Cladonia rangiferina (L.) F. H. Wigg. - Ahti et al. (1973: 61)
    
98. Cladonia squamosa (Scop.) Hoffm. - Ahti et al. (1973: 61)
    
99. Cladonia stellaris (Opiz) Pouz. & Vezda - Ahti et al. (1973: 61)
    
100. Cladonia subfurcata (Nyl.) Arnold - Ahti et al. (1973: 62)
     
101. Cladonia subulata (L.) Wigg. - Ahti et al. (1973: 62)
     
102. Cladonia sulphurina (Michx.) Fr. - Ahti et al. (1973: 60 Cladonia gonecha)
     
103. Cladonia symphycarpa (Ach.) Fr. - Ahti et al. (1973: 62)
     
104. Cladonia trassii Ahti - Ahti et al. (1973: 61 as Cladonia lepidota auct.)
     
105. Cladonia uncialis (L.) Wigg. - Ahti et al. (1973: 62)
     
106. Cladonia verticillata (Hoffm.) Schaer. - Ahti et al. (1973: 62)

107. Clauzadea monticola (Ach.) Hafellner & Bellem. - Ahti et al. (1973: 70 as Protoblastenia monticola)

108. Cyphelium inquinans (Sm.) Trevis. - Ahti et al. (1973: 62)
     
109. Cyphelium tigillare (Ach.) Ach. - Ahti et al. (1973: 62)

110. Dactylina arctica (Richards.) Nyl. - Ahti et al. (1973: 62), Gould (1994: 45)
     
111. Dactylina ramulosa (Hook.) Tuck. - Ahti et al. (1973: 62)

112. Dermatocarpon intestiniforme (Körb.) Hasse - Ahti et al. (1973: 62)

113. Dibaeis baeomyces (L. f.) Rambold & Hertel - Ahti et al. (1973: 57 as Baeomyces roseus)

114. Diploschistes muscorum (Scop.) R. Sant. subsp. muscorum - Ahti et al. (1973: 62 as Diploschistes bryophilus)

115. Enchylium tenax (Sw.) Gray - Gould (1994: 45 as Collema tenax)

116. Endocarpon pusillum Hedw. - Ahti et al. (1973: 62)

117. Ephebe lanata (L.) Vain. - Ahti et al. (1973: 62)

118. Evernia mesomorpha Nyl. - Ahti et al. (1973: 62)
     
119. Evernia perfragilis Llano - Ahti et al. (1973: 62), Gould (1994: 45)

120. Farnoldia jurana (Schaer.) Hertel - Ahti et al. (1973: 65 as Lecidea jurana)

121. Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell - Ahti et al. (1973: 58 as Cetraria cucullata), Gould (1994: 44 as Cetraria cucullata)
     
122. Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Ahti et al. (1973: 59 as Cetraria nivalis), Gould (1994: 44 as Cetraria nivalis)

123. Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Ahti et al. (1973: 58 as Caloplaca citrina)

124. Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Ahti et al. (1973: 68 as Parmeliella praetermissa)

125. Glypholecia scabra (Pers.) Müll. Arg. - Ahti et al. (1973: 63)

126. Gyalecta jenensis (Batsch) Zahlbr. - Ahti et al. (1973: 63)
     
127. Gyalecta kukriensis (Räsänen) Räsänen - Ahti et al. (1973: 63 First record for continental North America)

128. Gyalolechia bracteata (Hoffm.) A. Massal. subsp. bracteata - Ahti et al. (1973: 62 as Fulgensia bracteata)

129. Helocarpon crassipes Th. Fr. - Ahti et al. (1973: 65 as Lecidea crassipes)

130. Hertelidea botryosa (Fr.) Printzen & Kantvilas - Ahti et al. (1973: 65 as Lecidea botryosa)

131. Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Ahti et al. (1973: 65 as Lecidea scalaris)

132. Hypogymnia austerodes (Nyl.) Räsänen - Ahti et al. (1973: 63)
     
133. Hypogymnia bitteri (Lynge) Ahti - Ahti et al. (1973: 63)
     
134. Hypogymnia physodes (L.) W. Wats. - Ahti et al. (1973: 63)
     
135. Hypogymnia subobscura (Vain.) Poelt - Gould (1994: 45)

136. Icmadophila ericetorum (L.) Zahlbr. - Ahti et al. (1973: 63)

137. Imshaugia aleurites (Ach.) S. F. Meyer - Ahti et al. (1973: 68 as Parmeliopsis aleurites)

138. Japewia tornoensis (Nyl.) Tønsberg - Ahti et al. (1973: 66 as Lecidea tornoensis)

139. Lathagrium fuscovirens (With.) Otálora, P. M. Jørg. & Wedin - Ahti et al. (1973: 62 as Collema tuniforme)

140. Lecania subfuscula (Nyl.) S. Ekman - Ahti et al. (1973: 56 as Bacidia subfuscula First record for continental North America)

141. Lecanora cadubriae (A. Massal.) Hedl. - Ahti et al. (1973: 65 as Lecidea ramulicola)
     
142. Lecanora cenisia Ach. - Ahti et al. (1973: 63)
     
143. Lecanora circumborealis (Ach.) Nyl. - Ahti et al. (1973: 63 as Lecanora coilocarpa)
     
144. Lecanora crenulata (Dicks.) Nyl. - Ahti et al. (1973: 63)
     
145. Lecanora discoensis Lynge - Ahti et al. (1973: 63)
     
146. Lecanora dispersa (Pers.) Somm. - Ahti et al. (1973: 63)
     
147. Lecanora epibryon (Ach.) Ach. - Ahti et al. (1973: 63)
     
148. Lecanora expallens Ach. - Ahti et al. (1973: 64)
     
149. Lecanora fuscescens (Sommerf.) Nyl. - Ahti et al. (1973: 65 as Lecidea fuscescens)
     
150. Lecanora geophila (Th. Fr.) Poelt - Ahti et al. (1973: 64 as Lecanora pachythallina)
     
151. Lecanora hagenii (Ach.) Ach. - Ahti et al. (1973: 64), Ahti et al. (1973: 64 as Lecanora umbrina)
     
152. Lecanora kariana Räsänen - Ahti et al. (1973: 64 First record for continental North America)
     
153. Lecanora marginata (Schaer.) Hertel & Rambold - Ahti et al. (1973: 65 as Lecidea marginata)
     
154. Lecanora permutata Zahlbr. - Ahti et al. (1973: 64 First record for continental North America)
     
155. Lecanora polytropa (Ehrh.) Rabenh. - Ahti et al. (1973: 64)
     
156. Lecanora sambuci (Pers.) Nyl. - Ahti et al. (1973: 64)
     
157. Lecanora saligna (Schrad.) Zahlbr. - Ahti et al. (1973: 64)
     
158. Lecanora symmicta (Ach.) Ach. - Ahti et al. (1973: 64)
     
159. Lecanora subintricata (Nyl.) Th. Fr. - Ahti et al. (1973: 64)
     
160. Lecanora torrida Vain. - Ahti et al. (1973: 64 First record for continental North America)
     
161. Lecanora wisconsinensis H. Magn. - Ahti et al. (1973: 64)
     
162. Lecanora zosterae (Ach.) Nyl. var. zosterae - Ahti et al. (1973: 64 as Lecanora palanderi First record for continental North America)

163. Lecidea albohyalina (Nyl.) Th. Fr. - Ahti et al. (1973: 65 First record for continental North America)
     
164. Lecidea confluens (G. Weber) Ach. - Ahti et al. (1973: 65)
     
165. Lecidea erythrophaea Flörke ex Somm. - Ahti et al. (1973: 65)
     
166. Lecidea lapicida (Ach.) Ach. - Ahti et al. (1973: 65)
     
167. Lecidea lithophila (Ach.) Ach. - Ahti et al. (1973: 65)
     
168. Lecidea phaeopelidna Vain. - Ahti et al. (1973: 65 First record for continental North America)
     
169. Lecidea sphaerella Hedl. - Ahti et al. (1973: 65 First record for continental North America)
     
170. Lecidea subcandida H. Magn. - Ahti et al. (1973: 65 First record for continental North America)
     
171. Lecidea turgidula Fr. - Ahti et al. (1973: 66)

172. Lecidella elaeochroma (Ach.) Hazsl. - Ahti et al. (1973: 66)
     
173. Lecidella euphorea (Flörke) Hertel - Ahti et al. (1973: 66 as Lecidella glomerulosa)
     
174. Lecidella flavosorediata (Vezda) Hertel & Leuckert - Ahti et al. (1973: 66 First record for continental North America)
     
175. Lecidella pulveracea (Flörke ex Th. Fr.) P. Sydow - Ahti et al. (1973: 66 First record for continental North America)
     
176. Lecidella stigmatea (Ach.) Hertel & Leuckert - Ahti et al. (1973: 66)
     
177. Lecidella wulfenii (Hepp) Körb. - Ahti et al. (1973: 66)

178. Lepraria membranacea (Dicks.) Vain. - Ahti et al. (1973: 66)
     
179. Lepraria neglecta (Nyl.) Erichsen - Ahti et al. (1973: 66)

180. Leptogium saturninum (Dicks.) Nyl. - Ahti et al. (1973: 66)

181. Lichenomphalia umbellifera (L.: Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys - Ahti et al. (1973: 67 as Omphalina ericetorum)

182. Lobothallia melanaspis (Ach.) Hafellner - Ahti et al. (1973: 64 as Lecanora melanaspis)

183. Lopadium pezizoideum (Ach.) Körb. - Ahti et al. (1973: 66)

184. Masonhalea richardsonii (Hook.) Kärnefelt - Ahti et al. (1973: 59 as Cetraria richardsonii)

185. Melanelia hepatizon (Ach.) A. Thell - Ahti et al. (1973: 58 as Cetraria hepatizon)

186. Micarea lignaria (Ach.) Hedl. - Ahti et al. (1973: 66)
     
187. Micarea melaena (Nyl.) Hedl. - Ahti et al. (1973: 66)

188. Miriquidica deusta (Stenh.) Hertel & Rambold - Ahti et al. (1973: 65 as Lecidea deustata)

189. Mycobilimbia pilularis (Körb.) Hafellner & Türk - Ahti et al. (1973: 56 as Bacidia sphaeroides)
     
190. Mycobilimbia tetramera (De Not.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen ex Hafellner & Türk - Ahti et al. (1973: 56 as Bacidia fusca)

191. Mycoblastus alpinus (Fr.) Kernst. - Ahti et al. (1973: 66 First record for continental North America)
     
192. Mycoblastus sanguinarius (L.) Norm. - Ahti et al. (1973: 66)

193. Myriolecis behringii (Nyl.) Hafellner - Ahti et al. (1973: 63 as Lecanora behringii)

194. Nephroma arcticum (L.) Torss. - Ahti et al. (1973: 67)
     
195. Nephroma expallidum (Nyl.) Nyl. - Ahti et al. (1973: 67)

196. Ochrolechia androgyna (Hoffm.) Arnold - Ahti et al. (1973: 67)
     
197. Ochrolechia frigida (Sw.) Lynge - Ahti et al. (1973: 67), Ahti et al. (1973: 67 as Ochrolechia gonatodes)
     
198. Ochrolechia gyalectina (Nyl.) Zahlbr. - Ahti et al. (1973: 67 First record for Canada)
     
199. Ochrolechia upsaliensis (L.) A. Massal. - Ahti et al. (1973: 67)

200. Lichenomphalia hudsoniana (H. S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - Ahti et al. (1973: 67 as Omphalina hudsoniana)

201. Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Ahti et al. (1973: 67 as Pachyospora verrucosa)

202. Melanelia stygia (L.) Essl. - Ahti et al. (1973: 68 as Parmelia stygia)

203. Melanelixia subaurifera (Nyl.) O. Blanco et al. - Ahti et al. (1973: 68 as Parmelia subaurifera)

204. Melanohalea elegantula (Zahlbr.) O. Blanco et al. - Ahti et al. (1973: 68 as Parmelia elegantula)
     
205. Melanohalea exasperatula (Nyl.) O. Blanco et al. - Ahti et al. (1973: 68 as Parmelia exasperatula)
     
206. Melanohalea infumata (Nyl.) O. Blanco et al. - Ahti et al. (1973: 68 as Parmelia infumata)
     
207. Melanohalea septentrionalis (Lynge) O. Blanco et al. - Ahti et al. (1973: 68 as Parmelia septentrionalis)

208. Montanelia sorediata (Ach.) Divakar, A. Crespo, Wedin & Essl. - Ahti et al. (1973: 68 as Parmelia sorediosa)

209. Parmelia omphalodes (L.) Ach. - Ahti et al. (1973: 68), Gould (1994: 46)
     
210. Parmelia saxatilis (L.) Ach. - Ahti et al. (1973: 68)
     
211. Parmelia sulcata Taylor - Ahti et al. (1973: 68 as Parmelia sulcata)

212. Parmeliopsis ambigua (Wulf.) Nyl. - Ahti et al. (1973: 68)
     
213. Parmeliopsis hyperopta (Ach.) Arnold - Ahti et al. (1973: 68)

214. Parvoplaca tiroliensis (Zahlbr.) Arup, Søchting & Frödén - Ahti et al. (1973: 58 as Caloplaca tiroliensis)

215. Peltigera aphthosa (L.) Willd. - Ahti et al. (1973: 68), Gould (1994: 46)
     
216. Peltigera canina (L.) Willd. - Ahti et al. (1973: 68), Gould (1994: 46)
     
217. Peltigera didactyla (Ach.) DC. - Ahti et al. (1973: 69 as Peltigera spuria), Gould (1994: 46)
     
218. Peltigera lepidophora (Nyl.) Vain. - Ahti et al. (1973: 68)
     
219. Peltigera leucophlebia (Nyl.) Gyeln. - Ahti et al. (1973: 68)
     
220. Peltigera malacea (Ach.) Funck - Ahti et al. (1973: 68)
     
221. Peltigera membranacea (Ach.) Nyl. - Ahti et al. (1973: 69)
     
222. Peltigera polydactylon (Neck.) Hoffm. var. polydactylon - Ahti et al. (1973: 69)
     
223. Peltigera polydactylon (Neck.) Hoffm. var. crassoides Gyeln. - Ahti et al. (1973: 69)
     
224. Peltigera rufescens (Weis.) Humb. - Ahti et al. (1973: 69), Gould (1994: 46)
     
225. Peltigera scabrosa Th. Fr. - Ahti et al. (1973: 69)
     
226. Peltigera venosa (L.) Baumg. - Ahti et al. (1973: 69)

227. Pertusaria coriacea (Th. Fr.) Th. Fr. - Ahti et al. (1973: 69 as Pertusaria coriacea var. obducens)
     
228. Pertusaria dactylina (Ach.) Nyl. - Ahti et al. (1973: 69)
     
229. Pertusaria glomerata (Ach.) Schaer. - Ahti et al. (1973: 69)
     
230. Pertusaria panyrga (Ach.) A. Massal. - Ahti et al. (1973: 69)
     
231. Pertusaria subobducens Nyl. - Ahti et al. (1973: 69)
     
232. Pertusaria trachydactyla Vain. - Ahti et al. (1973: 69 First record for continental North America)

233. Phaeophyscia sciastra (Ach.) Moberg - Ahti et al. (1973: 69 as Physcia sciastra)

234. Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Ahti et al. (1973: 71 as Rinodina nimbosa)

235. Physcia adscendens H. Olivier - Ahti et al. (1973: 69)
     
236. Physcia caesia (Hoffm.) Hampe ex Fürnr. - Ahti et al. (1973: 69)
     
237. Physcia dubia (Hoffm.) Lettau - Ahti et al. (1973: 69), Gould (1994: 46)

238. Physconia muscigena (Ach.) Poelt - Ahti et al. (1973: 69), Gould (1994: 46)

239. Placidium lachneum (Ach.) B. de Lesd. - Ahti et al. (1973: 62 as Dermatocarpon lachneum)

240. Placynthiella uliginosa (Schrad.) Coppins & P. James - Ahti et al. (1973: 66 as Lecidea uliginosa)

241. Placynthium asperellum (Ach.) Trevisan - Ahti et al. (1973: 70 as Placynthium aspratile)
     
242. Placynthium nigrum (Huds.) S. Gray - Ahti et al. (1973: 70)

243. Polyblastia bryophila Lönnr. - Ahti et al. (1973: 70)
     
244. Polyblastia hyperborea Th. Fr. var. macrospora Lynge - Ahti et al. (1973: 70 First record for continental North America)

245. Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Ahti et al. (1973: 73 as Xanthoria candelaria)

246. Porpidia crustulata (Ach.) Hertel & Knoph - Ahti et al. (1973: 65 as Lecidea crustulata)
     
247. Porpidia lowiana Gowan - Gowan (1989: 49 Type)
     
248. Porpidia macrocarpa (DC.) Hertel & A.J. Schwab - Ahti et al. (1973: 65 as Lecidea macrocarpa)

249. Protoblastenia rupestris (Scop.) J. Steiner - Ahti et al. (1973: 70)

250. Protomicarea limosa (Ach.) Hafellner - Ahti et al. (1973: 65 as Lecidea limosa)

251. Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman - Ahti et al. (1973: 68 as Pannaria pezizoides)

252. Protoparmelia badia (Hoffm.) Hafellner - Ahti et al. (1973: 63 as Lecanora badia)

253. Pseudephebe pubescens (L.) M. Choisy - Ahti et al. (1973: 56 as Alectoria pubescens)

254. Psora decipiens (Hedw.) Hoffm. - Ahti et al. (1973: 65 as Lecidea decipiens)
     
255. Psora rubiformis (Wahlenb. ex Ach.) Hook. - Ahti et al. (1973: 65 as Lecidea rubiformis)

256. Psoroma hypnorum (Vahl) Gray - Ahti et al. (1973: 70)

257. Ramalina almquistii Vain. - Ahti et al. (1973: 70 First record for Canada)
     
258. Ramalina dilacerata (Hoffm.) Hoffm. - Ahti et al. (1973: 70 as Ramalina minuscula)
     
259. Ramalina intermedia (Delise ex Nyl.) Nyl. - Ahti et al. (1973: 70)
     
260. Ramalina obtusata (Arnold) Bitter - Ahti et al. (1973: 70)
     
261. Ramalina sinensis Jatta - Ahti et al. (1973: 70)

262. Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Ahti et al. (1973: 70)
     
263. Rhizocarpon chioneum (Norman) Th. Fr. - Ahti et al. (1973: 70)
     
264. Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Ahti et al. (1973: 70)
     
265. Rhizocarpon eupetraeoides (Nyl.) Blomb. & Forssell - Ahti et al. (1973: 70)
     
266. Rhizocarpon ferax H. Magn. - Ahti et al. (1973: 70)
     
267. Rhizocarpon frigidum Räsänen - Ahti et al. (1973: 70 as Rhizocarpon geographicum subsp. frigidum)
     
268. Rhizocarpon geographicum (L.) DC. - Ahti et al. (1973: 70), Ahti et al. (1973: 70 as Rhizocarpon riparium subsp. lindsayanum)
     
269. Rhizocarpon grande (Flörke ex Flot.) Arnold - Ahti et al. (1973: 70)
     
270. Rhizocarpon hochstetteri (Körb.) Vain. - Ahti et al. (1973: 70)
     
271. Rhizocarpon superficiale (Schaer.) Vain. subsp. superficiale - Ahti et al. (1973: 70 as Rhizocarpon superficiale subsp. boreale)

272. Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Ahti et al. (1973: 64 as Lecanora melanophthalma)

273. Rinodina archaea (Ach.) Arnold - Ahti et al. (1973: 71), Ahti et al. (1973: 71 as Rinodina lecideoides)
     
274. Rinodina bischoffii (Hepp) A. Massal. - Ahti et al. (1973: 71)
     
275. Rinodina metaboliza Vain. - Ahti et al. (1973: 71 First record for continental North America)
     
276. Rinodina mniaraea (Ach.) Körb. - Ahti et al. (1973: 71)
     
277. Rinodina olivaceobrunnea C. W. Dodge & Baker - Ahti et al. (1973: 71 as Rinodina archaeoides First record for continental North America)
     
278. Rinodina terrestris Tomin - Ahti et al. (1973: 71 as Rinodina mucronatula First record for continental North America)
     
279. Rinodina trevisanii (Hepp) Körb. - Ahti et al. (1973: 71 as Rinodina lignaria First record for continental North America)
     
280. Rinodina turfacea (Wahlenb.) Körb. - Ahti et al. (1973: 71), Ahti et al. (1973: 71 as Rinodina cinereovirens)

281. Rusavskia elegans (Link) S. Y. Kondr. & Kärnefelt - Ahti et al. (1973: 73 as Xanthoria elegans), Gould (1994: 46 as Xanthoria elegans)
     
282. Rusavskia sorediata (Vain.) S. Y. Kondr. & Kärnefelt - Ahti et al. (1973: 73 as Xanthoria sorediata)

283. Sarcogyne regularis Körb. - Ahti et al. (1973: 71 as Sarcogyne pruinosa)

284. Schaereria endocyanea (Stirt.) Hertel & Gotth. Schneider - Ahti et al. (1973: 65 as Lecidea epiiodiza First record for continental North America)

285. Scytinium gelatinosum (With.) Otálora, P. M. Jørg. & Wedin - Ahti et al. (1973: 66 as Leptogium sinuatum)
     
286. Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Ahti et al. (1973: 66 as Leptogium lichenoides)
     
287. Scytinium tenuissimum (Dicks.) Otálora, P. M. Jørg. & Wedin - Ahti et al. (1973: 66 as Leptogium tenuissimum)

288. Seirophora aurantiaca (R. Br.) Frödén - Brown (1823: 47 as Borrera aurantiaca Type in London, Great Britain BM), Frödén & Lassen (2004: 295)

289. Solorina bispora Nyl. - Ahti et al. (1973: 71), Gould (1994: 46)
     
290. Solorina crocea (L.) Ach. - Ahti et al. (1973: 71)
     
291. Solorina saccata (L.) Ach. - Ahti et al. (1973: 71), Gould (1994: 46)
     
292. Solorina spongiosa (Ach.) Anzi - Ahti et al. (1973: 71)

293. Sphaerophorus globosus (Huds.) Vain. - Ahti et al. (1973: 71)

294. Staurothele drummondii (Tuck.) Tuck. - Ahti et al. (1973: 71 as Staurothele clopima), Ahti et al. (1973: 71 as Staurothele fuscocuprea), Ahti et al. (1973: 71 as Staurothele perradiata)

295. Stereocaulon alpinum Laurer ex Funck - Gould (1994: 46)
     
296. Stereocaulon condensatum Hoffm. - Ahti et al. (1973: 72)
     
297. Stereocaulon glareosum (Savicz) H. Magn. - Ahti et al. (1973: 72)
     
298. Stereocaulon paschale (L.) Hoffm. - Ahti et al. (1973: 72)
     
299. Stereocaulon rivulorum H. Magn. - Ahti et al. (1973: 72)
     
300. Stereocaulon tomentosum Fr. - Ahti et al. (1973: 72)

301. Strangospora moriformis (Ach.) Stein - Ahti et al. (1973: 57 as Biatorella moriformis)

302. Seirophora contortuplicata (Ach.) Frödén - Ahti et al. (1973: 72 as Teloschistes contortuplicatus)

303. Tetramelas insignis (Nägeli ex Hepp) Kalb - Ahti et al. (1973: 57 as Buellia insignis)
     
304. Tetramelas papillatus (Sommerf.) Kalb - Ahti et al. (1973: 57 as Buellia papillata)

305. Thamnolia subuliformis (Ehrh.) W. L. Culb. - Ahti et al. (1973: 72 as Thamnolia vermicularis var. subuliformis), Gould (1994: 46)
     
306. Thamnolia vermicularis (Sw.) Ach. ex Schaer. - Ahti et al. (1973: 72 as Thamnolia vermicularis var. vermicularis)

307. Thelidium absconditum (Hepp) Rabenh. - Ahti et al. (1973: 72 First record for continental North America)
     
308. Thelidium microsporum Lynge - Ahti et al. (1973: 72)
     
309. Thelidium minimum (A. Massal. ex Körber) Arnold - Ahti et al. (1973: 72 First record for continental North America)
     
310. Thelidium velutinum (Bernh.) Körb. - Ahti et al. (1973: 72 First record for continental North America)

311. Thelocarpon sphaerosporum H. Magn. - Ahti et al. (1973: 56 as Ahlesia sphaerospora First record for continental North America)

312. Toninia alutacea (Anzi) Jatta - Ahti et al. (1973: 72 First record for continental North America)
     
313. Toninia arctica Timdal - Timdal (1991: 37 Type)
     
314. Toninia sedifolia (Scop.) Timdal - Ahti et al. (1973: 72 as Toninia coeruleonigricans)
     
315. Toninia tristis (Th. Fr.) Th. Fr. subsp. tristis - Ahti et al. (1973: 72)

316. Trapeliopsis flexuosa (Fr.) Coppins & P. James - Ahti et al. (1973: 64 as Lecidea aeruginosa), Ahti et al. (1973: 65 as Lecidea granulosa)

317. Tremolecia atrata (Ach.) Hertel - Ahti et al. (1973: 65 as Lecidea atrata)

318. Tuckermannopsis sepincola (Ehrh.) Hale - Ahti et al. (1973: 59 as Cetraria sepincola)

319. Umbilicaria arctica (Ach.) Nyl. - Ahti et al. (1973: 72)
     
320. Umbilicaria hyperborea (Ach.) Hoffm. var. hyperborea - Ahti et al. (1973: 72)
     
321. Umbilicaria proboscidea (L.) Schrad. - Ahti et al. (1973: 72)
     
322. Umbilicaria torrefacta (Lightf.) Schrad. - Ahti et al. (1973: 72)

323. Usnea glabrata (Ach.) Vain. - Ahti et al. (1973: 72)
     
324. Usnea lapponica Vain. - Ahti et al. (1973: 72)

325. Varicellaria rhodocarpa (Körb.) Th. Fr. - Ahti et al. (1973: 73 First record for continental North America)

326. Verrucaria acrotella Ach. - Ahti et al. (1973: 73)
     
327. Verrucaria aethiobola Wahlenb. - Ahti et al. (1973: 73)
     
328. Verrucaria cataleptoides (Nyl.) Nyl. - Ahti et al. (1973: 73)
     
329. Verrucaria devergens Nyl. - Ahti et al. (1973: 73)
     
330. Verrucaria deversa Vain. - Ahti et al. (1973: 73)
     
331. Verrucaria muralis Ach. - Ahti et al. (1973: 73)
     
332. Verrucaria prominula Nyl. - Ahti et al. (1973: 73 as Verrucaria scotina)
     
333. Verrucaria sphinctrina Ach. - Ahti et al. (1973: 73 First record for continental North America)
     
334. Verrucaria umbrinula Nyl. - Ahti et al. (1973: 73)

335. Vulpicida juniperina (L.) J.-E. Mattsson & M. J. Lai - Ahti et al. (1973: 59 as Cetraria tilesii), Gould (1994: 46 as Vulpicida tilesii)
     
336. Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Ahti et al. (1973: 59 as Cetraria pinastri), Gould (1994: 46)

337. Xanthoparmelia chlorochroa (Tuck.) Hale - Ahti et al. (1973: 68 as Parmelia chlorochroa)

338. Xylographa parallela (Ach.: Fr.) Behlen & Desberger - Ahti et al. (1973: 73 as Xylographa abietina)
     
339. Xylographa vitiligo (Ach.) J. R. Laundon - Ahti et al. (1973: 73)

340. Zahlbrucknerella calcarea (Herre) Herre - Ahti et al. (1973: 73 First record for Canada)