Checklist of lichens of Greenland (Denmark)
Version 31 December 2018

 

  1. Absconditella trivialis (Willey ex Tuck.) Vezda - Alstrup et al. (2009: 5)

  2. Acarospora badiofusca (Nyl.) Th. Fr. - Thomson (1997: 21), Alstrup et al. (2009: 5)
  3. Acarospora brunneola Norman ex H. Magn. - Alstrup (1987: 52), Hansen (2004: 1), Alstrup et al. (2009: 5)
  4. Acarospora complanata H. Magn. - Alstrup et al. (2009: 5)
  5. Acarospora discreta (Ach.) Arnold - Alstrup et al. (2000: 4), Hansen (2004: 1)
  6. Acarospora durietzii H. Magn. - Magnusson (1935: 226)
  7. Acarospora friesii H. Magn. - Magnusson (1935: 228 Protologue) Type
  8. Acarospora fuscata (Nyl.) Arnold - Thomson (1997: 24), Alstrup et al. (2009: 5)
  9. Acarospora glaucocarpa (Wahlenb.) Körb. - Hansen (1978: 57), Hansen (1978b: 13), Thomson (1997: 25), Alstrup et al. (2009: 5)
  10. Acarospora groenlandica H. Magn. - Magnusson (1929: 163 Protologue), Magnusson (1935: 224) Type
  11. Acarospora hospitans H. Magn. - Alstrup et al. (2000: 4), Thomson (1997: 26)
  12. Acarospora impressula Th. Fr. - Alstrup et al. (2000: 4)
  13. Acarospora moenium (Vain.) Räsänen - Alstrup et al. (2009: 5)
  14. Acarospora molybdina (Wahlenb.) A. Massal. - Hansen (1978: 9), Hansen (1978b: 13), Thomson (1997: 28), Alstrup et al. (2000: 4), Hansen (2002: 6), Hansen (2004: 15), Hansen (2005: 39), Hansen (2006: 35), Alstrup et al. (2009: 5)
  15. Acarospora nitida H. Magn. - Magnusson (1935: 239 Protologue), Hansen (2004: 1), Alstrup et al. (2009: 5) Type
  16. Acarospora nitrophila H. Magn. - Alstrup et al. (2000: 4)
  17. Acarospora peliocypha Th. Fr. - Hansen (1978: 9), Thomson (1997: 29), Hansen (2005: 39), Alstrup et al. (2009: 5)
  18. Acarospora persimilis H. Magn. - Magnusson (1935: 227 Protologue) Type
  19. Acarospora picea H. Magn. - Alstrup et al. (2000: 5)
  20. Acarospora pyrenopsoides H. Magn. - Magnusson (1926: 74 Protologue), Magnusson (1929: 156), Magnusson (1935: 224), Thomson (1997: 30), Hansen (2004: 84), Alstrup et al. (2009: 5) Type
  21. Acarospora rhizobola (Nyl.) Alstrup - Alstrup et al. (2000: 5), Hansen (2002: 107), Hansen (2005: 39), Alstrup et al. (2009: 5)
  22. Acarospora rugulosa Körb. - Thomson (1997: 31), Hansen (2004: 1)
  23. Acarospora schleicheri (Ach.) A. Massal. - Magnusson (1929: xx), Magnusson (1935: 221), Hansen (1986: 174), Thomson (1997: 33), Alstrup et al. (2000: 5), Hansen (2002: 107)
  24. Acarospora sinopica (Wahlenb. in Ach.) Körb. - Magnusson (1935: 223), Hansen (1986: 174), Hafellner & Casares-Porcel (1992: 312), Thomson (1997: 33), Hansen (2002: 6), Hansen (2002: 107), Hansen (2008: 398), Alstrup et al. (2009: 5)
  25. Acarospora tuberculata H. Magn. - Magnusson (1935: 225 Protologue) Type
  26. Acarospora veronensis A. Massal. - Magnusson (1935: 226), Thomson (1997: 35), Alstrup et al. (2000: 5), Hansen (2005: 39), Alstrup et al. (2009: 5)
  27. Acarospora verruciformis H. Magn. - Magnusson (1935: 224)
  28. Acarospora wahlenbergii H. Magn. - Alstrup et al. (2009: 5)

  29. Adelolecia kolaensis (Nyl.) Hertel & Rambold - Alstrup et al. (2000: 5)
  30. Adelolecia pilati (Hepp.) Hertel & Hafellner - Thomson (1997: 37), Alstrup et al. (2000: 5), Hansen (2002: 107)

  31. Agonimia gelatinosa (Ach.) Brand & Diederich - Alstrup et al. (2009: 5)

  32. Alectoria nigricans (Ach.) Nyl. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup (1982: 68), Hansen (1983: 177), Thomson (1984: 35), Alstrup et al. (2000: 5), Hansen (2002: 6), Hansen (2002: 107), Hansen (2005: 39), Hansen (2006: 35), Hansen (2008: 295), Hansen (2008: 400), Alstrup et al. (2009: 5)
  33. Alectoria ochroleuca (Hoffm.) A. Massal. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup (1982: 68), Hansen (1983: 177), Thomson (1984: 37), Alstrup et al. (2000: 5), Hansen (2002: 107), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 26), Alstrup et al. (2009: 5)
  34. Alectoria vexillifera (Nyl.) Stizenb. - Thomson (1984: 38), Hansen (2006: 36 as Alectoria sarmentosa subsp. vexillifera), Alstrup et al. (2009: 5 as Alectoria sarmentosa subsp. vexillifera)

  35. Allantoparmelia almquistii (Vain.) Essl. - Thomson (1984: 297 as Parmelia almquistii)
  36. Allantoparmelia alpicola (Th. Fr.) Essl. - Hansen (1978b: 15 as Parmelia alpicola), Hansen (1978: 57 as Parmelia alpicola), Alstrup (1982: 68), Hansen (1983: 177), Thomson (1984: 299 as Parmelia alpicola), Hansen (2002: 6), Hansen (2004: 15), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 400), Alstrup et al. (2009: 5)

  37. Amandinea cacuminum (Th. Fr.) H. Mayrhofer & Sheard - Hansen (2002: 6)
  38. Amandinea coniops (Wahlenb.) M. Choisy ex Scheid. & H. Mayrhofer - Thomson (1997: 128 as Buellia coniops), Hansen (2005: 39)
  39. Amandinea punctata (Hoffm.) Coppins & Scheid. - Alstrup (1977: 115 as Buellia punctata), Alstrup (1982: 69), Daniels et al. (1985: 52 as Buellia punctata), Thomson (1997: 138 as Buellia punctata), Thomson (1997: 140 as Buellia stigmatea), Alstrup et al. (2000: 6 as Buellia punctata), Alstrup et al. (2000: 6 as Buellia stigmatea), Hansen (2002: 109 as Buellia punctata), Hansen (2008: 400)

  40. Amundsenia approximata (Lynge) Søchting, Arup & Frödén - Hansen, Poelt & Søchting (1987: 18 as Caloplaca approximata), Alstrup et al. (2000: 6 as Caloplaca approximata)

  41. Amygdalaria consentiens (Nyl.) Hertel, Brodo & Mas. Inoue - Thomson (1997: 39), Alstrup et al. (2009: 5)
  42. Amygdalaria elegantior (H. Magn.) Hertel & Brodo - Thomson (1997: 41), Alstrup et al. (2009: 5)
  43. Amygdalaria panaeola (Ach.) Hertel & Brodo - Thomson (1997: 42), Hansen (2006: 36), Alstrup et al. (2009: 5)
  44. Amygdalaria pelobotryon (Wahlenb. in Ach.) Norman - Thomson (1997: 43), Alstrup et al. (2009: 5)

  45. Anema nummularium (Dufour ex Dufour & Mont.) Nyl. - Alstrup et al. (2009: 5)

  46. Arctocetraria andrejevii (Oxner) Kärnefelt & A. Thell - Hansen (1978: 9 as Cetraria andrejevii), Hansen (1978: 9 as Cetraria simmonsii), Thomson (1984: 72 as Cetraria andrejevii), Hansen (1986: 176 as Cetraria andrejevii), Hansen (2006: 36), Alstrup et al. (2009: 5)
  47. Arctocetraria nigricascens (Nyl.) Kärnefelt & A. Thell - Hansen (1981: 97 as Cetraria nigricascens First record), Hansen (1984: 301 as Cetraria nigricascens), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 36)

  48. Arctomia delicatula Th. Fr. - Thomson (1984: 42), Poelt (1985: 94), Alstrup et al. (2009: 5)
  49. Arctomia interfixa (Nyl.) Vain. - Hansen (1983: 483)

  50. Arctoparmelia centrifuga (L.) Hale - Hansen (1978: 11 as Parmelia centrifuga), Thomson (1984: 476 as Xanthoparmelia centrifuga), Hansen (2006: 36), Hansen (2008: 295), Alstrup et al. (2009: 5)
  51. Arctoparmelia incurva (Pers.) Hale - Hansen (1978: 11 as Parmelia incurva), Hansen (1983: 178), Thomson (1984: 478 as Xanthoparmelia incurva), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 36), Alstrup et al. (2009: 5)
  52. Arctoparmelia separata (Th. Fr.) Hale - Hansen (2002: 108), Hansen (2006: 36), Hansen (2008: 400)

  53. Arthonia lapidicola (Taylor) Branth & Rostr. - Thomson (1997: 46), Alstrup et al. (2000: 5)
  54. Arthonia mediella Nyl. - Thomson (1997: 47)
  55. Arthonia patellulata Nyl. - Alstrup (1982: 68), Thomson (1997: 47)

  56. Arthopyrenia cembrina (Anzi) Grummann ex D. Hawksw. - Alstrup (1982: 68)
  57. Arthopyrenia kentrospora Branth - Branth (1892: 511 Protologue), Alstrup (1982: 68), Thomson (1997: 48) Type
  58. Arthopyrenia punctiformis (Pers.) A. Massal. - Brandt & Grønlund (1887: xx as Arthopyrenia analepta), Alstrup (1982: 69), Thomson (1997: 48), Hansen (2003: 150)

  59. Arthrorhaphis alpina (Schaer.) R. Sant. - Thomson (1997: 50), Alstrup et al. (2000: 5), Hansen (2002: 7), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 296), Hansen (2008: 400)
  60. Arthrorhaphis citrinella (Ach.) Poelt - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Hansen (2002: 7), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 400)
  61. Arthrorhaphis vacillans Th. Fr. & Almq. ex Th. Fr. - Thomson (1997: 51)

  62. Aspicilia alboradiata (H. Magn.) Oxner - Thomson (1997: 57)
  63. Aspicilia aliena (Zahlbr.) Oxner - Thomson (1997: 58), Hansen (2003: 150)
  64. Aspicilia annulata (Lynge) J. W. Thomson - Lynge (1937: 3 as Lecanora annulata Protologue), Thomson (1997: 60), Alstrup et al. (2000: 5) Type
  65. Aspicilia anseris (Lynge) J. W. Thomson - Thomson (1997: 61)
  66. Aspicilia aquatica (Fr.) Körb. - Hansen (1983: 484), Thomson (1997: 62), Hansen (2002: 7), Hansen (2002: 108)
  67. Aspicilia arctica (Lynge) Oxner - Lynge (xx: xx as xx Protologue), Oxner (xx: xx), Thomson (1997: 64) Type
  68. Aspicilia berntii A. Nordin, Tibell & Owe-Larss. - Thomson (1997: 80 as Aspicilia mastoidea nom. xx Protologue ??), Alstrup et al. (2000: 5 as Aspicilia mastoidea nom. xx), Hansen (2002: 7 as Aspicilia mastoidea nom. xx), Nordin, Tibell & Owe-Larss. (xx: xx New Name) Type
  69. Aspicilia candida (Anzi) Hue - Thomson (1997: 67), Hansen (2002: 108), Hansen (2006: 36)
  70. Aspicilia cinerea (L.) Körb. - Hansen (1978: 10 as Lecanora cinerea), Hansen (1978b: 14 as Lecanora cinerea), Thomson (1997: 68), Hansen (2002: 108)
  71. Aspicilia cingulata (Zahlbr.) Oxner - Thomson (1997: 70)
  72. Aspicilia composita (Lynge) J. W. Thomson - Lynge (1941: 84 Protologue Nom. illegit., Art. 53.1), Thomson (1997: 71) Type
  73. Aspicilia contigua (Lynge) J. W. Thomson - Lynge (1940: xx as Lecanora contigua Protologue), Thomson (1997: 72) Type
  74. Aspicilia curvabilis (Nyl.) Hue - Hansen (2006: 1)
  75. Aspicilia disserpens (Zahlbr.) Räsänen - Thomson (1997: 74)
  76. Aspicilia elevata (Lynge) J. W. Thomson - Thomson (1997: 75), Alstrup et al. (2000: 5)
  77. Aspicilia expansa (Lynge) Alstrup & E. S. Hansen - Alstrup et al. (2000: 5)
  78. Aspicilia humboldtii (Lynge) J. W. Thomson - Thomson (1997: 77), Hansen (2003: 150)
  79. Aspicilia lesleyana Darb. - Thomson (1997: 79)
  80. Aspicilia montana (H. Magn.) Hav. - Hansen (2002: 7), Hansen (2004: 85)
  81. Aspicilia narssaquensis (Lynge) J. W. Thomson - Lynge (1987: 163 Protologue), Thomson (1997: 85) Type
  82. Aspicilia nathorstii (Lynge) J. W. Thomson - Thomson (1997: 86)
  83. Aspicilia pergibbosa (H. Magn. ex Lynge) Räsänen - Thomson (1997: 87), Hansen (2004: 85)
  84. Aspicilia perradiata (Nyl.) Hue - Thomson (1997: 88), Alstrup et al. (2000: 5)
  85. Aspicilia pertusa (Lynge) J. W. Thomson - Thomson (1997: 89)
  86. Aspicilia polychroma Anzi - Hansen (2004: 85)
  87. Aspicilia rosulata Körb. - Thomson (1997: 90), Hansen (2003: 150)
  88. Aspicilia sublapponica (Zahlbr.) Oxner - Alstrup et al. (2000: 5)
  89. Aspicilia verrucigera Hue - Hansen (1986: 175)

  90. Aspilidea myrinii (Fr.) Hafellner - Hansen (2005: 39 as Aspicilia myrinii)

  91. Athallia holocarpa (Hoffm.) Arup, Frödén & Søchting - Alstrup (1982: 69 as Caloplaca holocarpa), Thomson (1997: 164 as Caloplaca holocarpa)
  92. Athallia pyracea (Ach.) Arup, Frödén & Søchting - Alstrup (1977: 115 as Caloplaca pyracea), Hansen, Poelt & Søchting (1987: 40 as Caloplaca pyracea)
  93. Athallia saxifragarum (Poelt) Arup, Frödén & Søchting - Hansen, Poelt & Søchting (1987: 41 as Caloplaca saxifragarum), Alstrup et al. (2000: 7 as Caloplaca saxifragarum), Hansen (2002: 109 as Caloplaca saxifragarum)

  94. Austroplaca soropelta (E. S. Hansen, Poelt & Søchting) Søchting, Frödén & Arup - Hansen et al. (1987: 26 as Caloplaca citrina var. soropelta Protologue) Type

  95. Bacidia bagliettoana (A. Massal. & De Not.) Jatta - Thomson (1997: 99)
  96. Bacidia laurocerasi (Delise ex Duby) Zahlbr. - Branth (1892: as Bacidia atrogrisea), Branth & Grønlund (1887: as Bacidia atrogrisea), Alstrup (1982: 69 as Bacidia atrogrisea)

  97. Bacidina inundata (Fr.) Vezda - Hansen (2004: 2)

  98. Baeomyces carneus (Retz.) Flörke - Thomson (1984: 48), Alstrup et al. (2000: 5), Hansen (2002: 108), Hansen (2005: 39), Hansen (2008: 400)
  99. Baeomyces placophyllus Ach. - Hansen (1984: 300), Thomson (1984: 49), Alstrup et al. (2000: 6), Hansen (2002: 108), Hansen (2006: 36)
  100. Baeomyces rufus (Huds.) Rebent. - Hansen (1978: 9), Thomson (1984: 52), Daniels et al. (1985: 50), Hansen (1999: 8), Alstrup et al. (2000: 6), Hansen (2002: 7), Hansen (2002: 108), Hansen (2006: 36), Hansen (2008: 400)

  101. Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux - Thomson (1997: 115), Hansen (1999: 8), Hansen (2006: 36)
  102. Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux - Thomson (1997: 116), Hansen (2002: 7)
  103. Bellemerea sanguinea (Kremp.) Hafellner & Cl. Roux - Hansen (1986: 175 as Aspicilia sanguinea)
  104. Bellemerea subsorediza (Lynge ex Å. E. Dahl) R. Sant. - Hansen (2002: 7), Hansen (2004: 2)

  105. Biatora cuprea (Sommerf.) Fr. - Thomson (1997: 341 as Lecidea cuprea), Hansen (2002: 7)
  106. Biatora subduplex (Nyl.) Printzen - Alstrup et al. (2000: 6), Hansen (2002: 7), Hansen (2003: 150)
  107. Biatora vernalis (L.) Fr. - Hansen (1978: 11 as Lecidea vernalis), Thomson (1997: 389 as Lecidea vernalis), Hansen (2002: 7), Hansen (2006: 36)

  108. Bibbya vermifera (Nyl.) Kistenich, Timdal, Bendiksby & S. Ekman - Thomson (1997: 102 as Bacidia hegetschweileri)

  109. Bilimbia microcarpa (Th. Fr.) Th. Fr. - Thomson (1997: 105 as Bacidia microcarpa)
  110. Bilimbia sabuletorum (Schreb.) Arnold - Alstrup et al. (2000: 12 as Mycobilimbia sabuletorum)

  111. Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux - Hansen (1978: 10 as Lecanora cinereorufescens)

  112. Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén - Alstrup (1977: 114 as Caloplaca ammiospila), Hansen (1978: 9 as Caloplaca cinnamomea), Hansen (1978b: 13 as Caloplaca cinnamomea), Hansen (1978: 57 as Caloplaca cinnamomea), Poelt (1985: 94 as Caloplaca cinnamomea), Hansen, Poelt & Søchting (1987: 17 as Caloplaca ammiospila), Thomson (1997: 151 as Caloplaca ammiospila), Alstrup et al. (2000: 6 as Caloplaca ammiospila), Hansen (2002: 7 as Caloplaca ammiospila), Hansen (2002: 109 as Caloplaca ammiospila), Hansen (2005: 40 as Caloplaca ammiospila)
  113. Blastenia ferruginea (Huds.) Th. Fr. - Branth (1895: as Caloplaca ferruginea), Alstrup (1977: 115 as Caloplaca ferruginea), Alstrup (1982: 69 as Caloplaca ferruginea)

  114. Brodoa oroarctica (Krog) Goward - Hansen (1978b: 14 as Hypogymnia oroarctica), Alstrup et al. (2000: 6), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 26), Hansen (2008: 296)

  115. Bryobilimbia hypnorum (Lib.) Fryday, Printzen & S. Ekman - Poelt (1985: 94 as Lecidea hypnorum), Thomson (1997: 351 as Lecidea hypnorum)

  116. Bryocaulon divergens (Ach.) Kärnefelt - Hansen (1983: 177 as Cornicularia divergens), Thomson (1984: 199 as Cornicularia divergens)Alstrup et al. (2000: 6), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 36), Hansen (2008: 296)

  117. Bryonora castanea (Hepp) Poelt - Thomson (1997: 122), Hansen (2002: 7), Hansen (2002: 108), Hansen (2005: 39)
  118. Bryonora curvescens (Mudd) Poelt - Thomson (1997: 122)

  119. Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup - Hansen, Poelt & Søchting (1987: 33 as Caloplaca jungermanniae), Thomson (1997: 166 as Caloplaca jungermanniae), Alstrup et al. (2000: 7 as Caloplaca jungermanniae), Hansen (2002: 7 as Caloplaca jungermanniae), Hansen (2002: 109 as Caloplaca jungermanniae), Hansen (2005: 40 as Caloplaca jungermanniae), Hansen (2006: 37 as Caloplaca jungermanniae), Hansen (2008: 401 as Caloplaca jungermanniae)

  120. Bryoria chalybeiformis (L.) Brodo & D. Hawksw. - Hansen (1978b: 13 as Alectoria chalybeiformis), Branth & Grønlund (1887: xx as Bryopogon jubatus var. chalybeiformis), Dahl (1950: xx erroneously as Bryoria lanestris fide Alstrup 1982: 69), Hansen (1978: 9 as Alectoria chalybeiformis), Hansen (1978: 57), Alstrup (1982: 69), Hansen (1983: 177), Thomson (1984: 56), Alstrup et al. (2000: 6), Hansen (2002: 108), Hansen (2005: 39), Hansen (2006: 37), Hansen (2008: 28), Hansen (2008: 401)
  121. Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw. - Alstrup (1982: 69)
  122. Bryoria lanestris (Ach.) Brodo & D. Hawksw. - Alstrup (1982: 69), Thomson (1984: 59), Hansen (2005: 39), Hansen (2006: 37)
  123. Bryoria nitidula ( Th. Fr.) Brodo & D. Hawksw. - Hansen (1978: 9 as Alectoria nitidula), Thomson (1984: 63), Hansen (2002: 109), Hansen (2005: 39), Hansen (2006: 37)
  124. Bryoria simplicior (Vain.) Brodo & D. Hawksw. - Hansen (1978: 9 as Alectoria simplicior), Alstrup (1982: 69), Thomson (1984: 65)
  125. Bryoria tenuis (Å. E. Dahl) Brodo & D. Hawksw. - Dahl (1950: 144 as Alectoria tenuis Protologue), Brodo & Hawksworth (1977: xx), Thomson (1984: 66), Hawksworth & Coppins (2003: 363) Type

  126. Buellia aethalea (Ach.) Th. Fr. - Thomson (1997: 125), Hansen (2002: 7), Hansen (2006: 1)
  127. Buellia badia (Fr.) A. Massal. - Alstrup et al. (2000: 6 on Lecidea tesselata), Hansen (2003: 150)
  128. Buellia crepera (Nyl.) Zahlbr. - Hansen (2003: 150)
  129. Buellia disciformis (Fr.) Mudd - Hansen (1978: 9), Alstrup (1982: 69), Hansen (1983: 177), Thomson (1997: 129), Alstrup et al. (2000: 6)
  130. Buellia discoensis Lynge - Lynge (1937: 183 Protologue) Type
  131. Buellia ectolechioides (Vain.) Erichsen - Hansen (2003: 150)
  132. Buellia elegans Poelt - Alstrup et al. (2000: 6), Hansen (2001: xx), Hansen (2006: 37)
  133. Buellia epigaea (Hoffm.) Tuck. - Alstrup et al. (2000: 6)
  134. Buellia leptocline (Flot.) A. Massal. - Thomson (1997: 133)
  135. Buellia margaritacea (Fr.) Lynge - Hansen (1978: 9)
  136. Buellia vilis Th. Fr. - Thomson (1997: 141), Hansen (2006: 1)

  137. Caeruleum heppii (Nägeli ex Körb.) K. Knudsen & Arcadia - Alstrup et al. (2009: 5 as Acarospora heppii)

  138. Calogaya decipiens (Arnold) Arup, Frödén & Søchting - Hansen, Poelt & Søchting (1987: 26 as Caloplaca decipiens), Alstrup et al. (2000: 7 as Caloplaca decipiens), Hansen (2006: 37 as Caloplaca decipiens)
  139. Calogaya schistidii (Anzi) Arup, Frödén & Søchting - Hansen (2004: 85 as Fulgensia schistidii)

  140. Caloplaca alcarum Poelt - Hansen, Poelt & Søchting (1987: 15), Thomson (1997: 150), Hansen (1999: 8), Alstrup et al. (2000: 6), Hansen (2002: 109), Hansen (2005: 40), Hansen (2006: 37)
  141. Caloplaca anchon-phoeniceon Poelt & Clauzade - Hansen, Poelt & Søchting (1987: 18)
  142. Caloplaca borealis (Vain.) Poelt - Alstrup (1982: 69), Hansen, Poelt & Søchting (1987: 20)
  143. Caloplaca celata Th. Fr. - Hansen, Poelt & Søchting (1987: 22), Alstrup et al. (2000: 7)
  144. Caloplaca cerina (Hedw.) Th. Fr. - Alstrup (1977: 115), Hansen, Poelt & Søchting (1987: 22), Thomson (1997: 154), Alstrup et al. (2000: 7), Hansen (2002: 109), Hansen (2005: 40), Hansen (2008: 401)
  145. Caloplaca diphysodes (Nyl.) Jatta - Thomson (1997: 156), Alstrup et al. (2000: 7)
  146. Caloplaca elaeophora (E. S. Hansen, Poelt & Søchting) Alstrup & E. S. Hansen - Hansen et al. (1987: 35 as Caloplaca lithophila var. eleophora Protologue), Hansen, Alstrup et al. (2000: 7) Type
  147. Caloplaca epithallina Lynge - Lynge (1940: 113 on Dimelaena oreina, Melanelia disjuncta, Rhizoplaca melanophthalma Protologue), Poelt (1985: 466), Hansen, Poelt & Søchting (1987: 28), Thomson (1997: 159), Alstrup et al. (2000: 7), Hansen (2002: 109), Hansen (2005: 40) Type
  148. Caloplaca exsecuta (Nyl.) Dalla Torre & Sarnth. - Hansen, Poelt & Søchting (1987: 29), Thomson (1997: 160), Hansen (2002: 7)
  149. Caloplaca ferrugineofusca (Vain.) H. Magn. - Thomson (1997: 160)
  150. Caloplaca fraudans (Th. Fr.) Oliv. - Hansen, Poelt & Søchting (1987: 30), Thomson (1997: 162), Alstrup et al. (2000: 7), Hansen (2002: 7), Hansen (2005: 40), Hansen (2006: 37)
  151. Caloplaca friesii H. Magn. - Daniels et al. (1985: 52 as Caloplaca friesii)
  152. Caloplaca fulvolutea (Nyl.) Jatta - Hansen, Poelt & Søchting (1987: 31)
  153. Caloplaca insularis Poelt - Hansen, Poelt & Søchting (1987: 31), Alstrup et al. (2000: 7 on Aspicilia nikrapensis, Aspicilia spec.)
  154. Caloplaca jemtlandica H. Magn. var. jemtlandica - Hansen, Poelt & Søchting (1987: 32)
  155. Caloplaca jemtlandica H. Magn. var. cerinosora Hansen, Poelt & Søchting - Hansen, Poelt & Søchting (1987: 33 Protologue) Type
  156. Caloplaca leptocheila H. Magn. - Hansen, Poelt & Søchting (1987: 34)
  157. Caloplaca lithophila H. Magn. - Hansen (1978: 9), Hansen, Poelt & Søchting (1987: 34), Alstrup et al. (2000: 7), Hansen (2002: 7)
  158. Caloplaca livida (Hepp) Jatta - Daniels et al. (1985: 53), Hansen, Poelt & Søchting (1987: 35), Hansen (2002: 7)
  159. Caloplaca magni-filii Poelt - Hansen, Poelt & Søchting (1987: 36)
  160. Caloplaca nivalis (Koerb.) Th. Fr. - Hansen, Poelt & Søchting (1987: 36), Thomson (1997: 167), Hansen (1999: 8), Hansen (2002: 7)
  161. Caloplaca paulii Poelt - Hansen, Poelt & Søchting (1987: 37), Alstrup et al. (2000: 7)
  162. Caloplaca phaeocarpella (Nyl.) Zahlb. - Hansen, Poelt & Søchting (1987: 39), Thomson (1997: 168)
  163. Caloplaca psoricida Hansen, Poelt & Søchting - Hansen, Poelt & Søchting (1987: 39), Hansen (2008: 401)
  164. Caloplaca saxicola (Hoffm.) Nordin - Hansen, Poelt & Søchting (1987: 40), Thomson (1997: 169), Alstrup et al. (2000: 7)
  165. Caloplaca scopularis (Nyl.) Lettau. - Hansen (1978: 9), Hansen, Poelt & Søchting (1987: 41), Thomson (1997: 169)
  166. Caloplaca sinapisperma (Lam. & DC.) Maheu & Gillet - Hansen, Poelt & Søchting (1987: 42), Thomson (1997: 170), Alstrup et al. (2000: 7)
  167. Caloplaca sorocarpa (Vain.) Zahlbr. - Alstrup et al. (2000: 7)
  168. Caloplaca spitsbergensis H. Magn. - Hansen, Poelt & Søchting (1987: 42)
  169. Caloplaca stillicidiorum (Vahl) Lynge - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Hansen (1983: 177)
  170. Caloplaca subolivacea (Th. Fr.) Lynge - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57)
  171. Caloplaca tetraspora (Nyl.) Oliv. - Hansen, Poelt & Søchting (1987: 43), Thomson (1997: 172), Alstrup et al. (2000: 7), Hansen (2002: 7), Hansen (2002: 109), Hansen (2005: 40), Hansen (2008: 401)
  172. Caloplaca tiroliensis Zahlbr. - Alstrup (1982: 69), Hansen (1983: 177), Poelt (1985: 94), Hansen, Poelt & Søchting (1987: 43), Thomson (1997: 173), Alstrup et al. (2000: 7), Hansen (2002: 109), Hansen (2005: 40), Hansen (2008: 28), Hansen (2008: 401)
  173. Caloplaca tominii Savicz - Hansen, Poelt & Søchting (1987: 45), Thomson (1997: 175), Alstrup et al. (2000: 7), Hansen (2002: 109), Hansen (2005: 40), Hansen (2006: 37)
  174. Caloplaca tornoensis H. Magn. - Hansen (1982: xxx), Daniels et al. (1985: 53), Hansen, Poelt & Søchting (1987: 46), Thomson (1997: 175)
  175. Caloplaca trachyphylla (Tuck.) Zahlbr. - Hansen, Poelt & Søchting (1987: 47), Thomson (1997: 177)
  176. Caloplaca verruculifera (Vain.) Zahlbr. - Hansen, Poelt & Søchting (1987: 48), Thomson (1997: 177)

  177. Calvitimela aglaea (Sommerf.) Hafellner - Hansen (1978: 10 as Lecidea aglaea), Hansen (2006: 37)
  178. Calvitimela armeniaca (DC.) Hafellner - Thomson (1997: 60 as Tephromela armeniaca), Hansen (2002: 7), Hansen (2004: 15), Hansen (2005: 40), Hansen (2006: 37)

  179. Candelariella arctica (Körb.) R. Sant. - Alstrup (1977: 115), Hansen (1986: 176), Thomson (1997: 180), Hansen (1999: 8), Hansen (2006: 37)
  180. Candelariella athallina (Wedd.) Du Rietz - Thomson (1997: 181)
  181. Candelariella aurella (Hoffm.) Zahlbr. - Hansen (1978: 9), Hansen (1983: 177), Thomson (1997: 182), Alstrup et al. (2000: 7), Hansen (2002: 110), Hansen (2005: 40)
  182. Candelariella canadensis H. Magn. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup et al. (2000: 7)
  183. Candelariella coralliza (Nyl.) H. Magn. - Hansen (1978: 9), Thomson (1997: 183)
  184. Candelariella dispersa (Räsänen) Hakul. - Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40)
  185. Candelariella kuusamoensis Räsänen - Alstrup et al. (2000: 7)
  186. Candelariella placodizans (Nyl.) H. Magn. - Thomson (1997: 186), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2006: 37), Hansen (2008: 401)
  187. Candelariella terrigena Räsänen - Thomson (1997: 187), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2008: 28)
  188. Candelariella vitellina (Hoffm.) Müll. Arg. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup (1982: 69), Hansen (1983: 177), Thomson (1997: 189), Alstrup et al. (2000: 7), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2008: 401)
  189. Candelariella xanthostigma (Ach.) Lettau - Hansen (1978b: 13), Hansen (1984: 300), Thomson (1997: 190), Hansen (2002: 110), Hansen (2005: 40), Hansen (2006: 2), Hansen (2008: 401)

  190. Carbonea atronivea (Arnold) Hertel - Alstrup et al. (2000: 7)
  191. Carbonea vorticosa (Flörke) Hertel - Thomson (1997: 193), Alstrup et al. (2000: 7)

  192. Catapyrenium cinereum (Pers.) Körb. - Thomson (1984: 211 as Dermatocarpon cinereum), Alstrup et al. (2000: 8), Hansen (2002: 110)
  193. Catapyrenium daedaleum (Kremp.) Stein. - Thomson (1984: 209 as Dermatocarpon daedaleum), Alstrup et al. (2000: 8), Hansen (2002: 110)

  194. Catillaria chalybeia (Borrer) A. Massal. - Thomson (1997: 196), Alstrup et al. (2000: 8)
  195. Catillaria contristans (Nyl.) Zahlbr. - Alstrup et al. (2000: 8)
  196. Catillaria groenlandica Lynge - Lynge (1937: 82 Protologue), Hansen (1978: 9) Type
  197. Catillaria muscicola Lynge - Thomson (1997: 198), Alstrup et al. (2000: 8),
  198. Catillaria philippea (Mont.) A. Massal. - Thomson (1997: 199)
  199. Catillaria subnegans (Nyl.) Arnold - Alstrup et al. (2000: 8)

  200. Catolechia wahlenbergii (Ach.) Körb. - Thomson (1997: 202)

  201. Cephalophysis leucospila (Anzi) H. Kilias & Scheid. - Thomson (1997: 203), Alstrup et al. (2000: 8), Hansen (2006: 37)

  202. Cetraria aculeata (Schreb.) Fr. - Hansen (1978b: 14 as Cornicularia aculeata), Hansen (1978: 57 as Cornicularia aculeata), Thomson (1984: 198 as Cornicularia aculeata), Alstrup et al. (2000: 8)
  203. Cetraria ericetorum Opiz - Hansen (1978: 9), Hansen (1978b: 13), Thomson (1984: 79)
  204. Cetraria islandica (L.) Ach. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Thomson (1984: 84), Hansen (1999: 8), Alstrup et al. (2000: 8), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2006: 37), Hansen (2008: 296), Hansen (2008: 401)
  205. Cetraria laevigata Rass. - Thomson (1984: 88)
  206. Cetraria muricata (Ach.) Eckfeldt - Hansen (1978: 10 as Cornicularia muricata), Hansen (1978b: 14 as Cornicularia muricata), Hansen (1978: 57 as Cornicularia muricata), Thomson (1984: 200 as Cornicularia muricata), Alstrup et al. (2000: 8), Hansen (2002: 7 as Cetraria muricata), Hansen (2002: 110 as Cetraria muricata), Hansen (2005: 40 as Cetraria muricata), Hansen (2006: 37), Hansen (2008: 28), Hansen (2008: 296), Hansen (2008: 401)
  207. Cetraria nigricans Nyl. - Hansen (1978: 9 as Cetraria nigricans), Hansen (1978: 57 as Cetraria nigricans), Thomson (1984: 89 as Cetraria nigricans), Hansen (2006: 37 as Cetraria nigricans)
  208. Cetraria sepincola (Ehrh.) Ach. - Hansen (1978: 9), Alstrup (1982: 69), Thomson (1984: 94), Hansen (2006: 37)

  209. Cetrariella commixta (Nyl.) A. Thell & Kärnefelt - Hansen (1978: 9 as Cetraria commixta), Hansen (1978b: 13 as Cetraria commixta), Hansen (1978: 57 as Cetraria commixta), Alstrup (1982: 69 as Cetraria commixta), Thomson (1984: 75 as Cetraria commixta), Alstrup et al. (2000: 8 as Cetraria commixta), Hansen (2002: 9 as Melanelia commixta), Hansen (2008: 29 as Melanelia commixta), Hansen (2008: 298 as Melanelia commixta)
  210. Cetrariella delisei (Bory ex Schaer.) Kärnefelt & A. Thell - Hansen (1978: 9 as Cetraria delisei), Hansen (1978b: 13 as Cetraria delisei), Hansen (1978: 57 as Cetraria delisei), Hansen (1983: 177 as Cetraria delisei), Thomson (1984: 77 as Cetraria delisei), Hansen (1999: 8), Alstrup et al. (2000: 8), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2008: 28), Hansen (2008: 296), Hansen (2008: 401)
  211. Cetrariella fastigiata (Del. ex Nyl. in Norrl.) Kärnefelt & A. Thell - Thomson (1984: 80 as Cetraria fastigata)

  212. Chaenotheca furfuracea (L.) Tibell - Hansen (2002: 7), Hansen (2005: 40)

  213. Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, Savic & Tibell - Hansen (1986: 175 as Aspicilia caesiocinerea), Hansen (2002: 7 as Aspicilia caesiocinerea)
  214. Circinaria calcarea (Nyl. ex Malbr.) A. Nordin, Savic & Tibell - Alstrup et al. (2000: 5 as Aspicilia calcarea)
  215. Circinaria contorta (Hoffm.) A. Nordin, Savic & Tibell - Alstrup et al. (2000: 5 as Aspicilia contorta)

  216. Cladonia aberrans (Abbayes) Stuckenb. - Thomson (1984: 104)
  217. Cladonia acuminata (Ach.) Norrl. - Hansen (1978: 9), Thomson (1984: 105)
  218. Cladonia alaskana A. Evans - Hansen (2002: 110)
  219. Cladonia amaurocraea (Flörke) Schaer. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 107), Hansen (2002: 7), Hansen (2002: 110), Hansen (2005: 40), Hansen (2008: 296), Hansen (2008: 401)
  220. Cladonia arbuscula (Wallr.) Flot. - Hansen (1978: 9), Thomson (1984: 110)
  221. Cladonia bacilliformis (Nyl.) Sarnth. - Thomson (1984: 112)
  222. Cladonia bellidiflora (Ach.) Schaer. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Thomson (1984: 113), Hansen (2002: 7), Hansen (2005: 40)
  223. Cladonia borealis S. Stenroos - Hansen (1999: 8), Alstrup et al. (2000: 8), Hansen (2002: 7), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 296), Hansen (2008: 401)
  224. Cladonia cariosa (Ach.) Spreng. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Thomson (1984: 116), Hansen (2002: 7), Hansen (2005: 40), Hansen (2008: 296)
  225. Cladonia carneola (Fr.) Fr. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 117), Hansen (2002: 7)
  226. Cladonia cenotea (Ach.) Schaer. - Daniels & Sipman (1975: 481), Hansen (1978: 9), Hansen (1978b: 13), Thomson (1984: 118), Hansen (2002: 111), Hansen (2008: 401)
  227. Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup (1982: 69), Thomson (1984: 119), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 401)
  228. Cladonia coccifera (L.) Willd. - Hansen (1978: 9), Hansen (1978b: 13), Hansen (1978: 57), Alstrup (1982: 69), Hansen (1983: 177), Thomson (1984: 121), Alstrup et al. (2000: 8),
  229. Cladonia coniocraea (Flörke) Spreng. - Alstrup (1977: 115, Thomson (1984: 122)
  230. Cladonia cornuta (L.) Hoffm. - Hansen (1978: 10), Hansen (1978b: 13), Hansen (1978: 57), Thomson (1984: 124), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 296)
  231. Cladonia cornuta (L.) Hoffm. subsp. groenlandica (E. Dahl) Ahti - Alstrup (1982: 69)
  232. Cladonia crispata (Ach.) Flot. - Hansen (1978: 10), Hansen (1978b: 13), Hansen (1978: 57), Thomson (1984: 125), Hansen (2002: 8)
  233. Cladonia cyanipes (Sommerf.) Nyl. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 127), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40)
  234. Cladonia decorticata (Flörke) Spreng. - Thomson (1984: 128)
  235. Cladonia deformis (L.) Hoffm. - Thomson (1984: 129)
  236. Cladonia digitata (L.) Hoffm. - Thomson (1984: 131)
  237. Cladonia ecmocyna Leight. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 132), Hansen (2002: 8), Hansen (2008: 297), Hansen (2008: 401)
  238. Cladonia fimbriata (L.) Fr. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Alstrup (1982: 69), Thomson (1984: 133)
  239. Cladonia floerkeana (Fr.) Flörke - Hansen (1978: 10), Thomson (1984: 134)
  240. Cladonia furcata (Huds.) Schrad. - Alstrup (1982: 69)
  241. Cladonia sulphurina (Michx.) Fr. - Hansen (1978: 10 as Cladonia gonecha), Hansen (1978b: 14 as Cladonia gonecha)
  242. Cladonia gracilis (L.) Willd. var. gracilis - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 137), Hansen (2002: 8), Hansen (2005: 40), Hansen (2008: 297)
  243. Cladonia lepidota (Ach.) Nyl. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57)
  244. Cladonia luteoalba A. Wilson & Wheldon - Hansen (1986: 176), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 401)
  245. Cladonia macilenta Hoffm. - Alstrup et al. (2000: 8),
  246. Cladonia macroceras (Delise) Hav. - Hansen (2005: 40)
  247. Cladonia macrophylla (Schaer.) Stenham. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 141), Alstrup et al. (2000: 8), Hansen (2002: 8), Hansen (2005: 40)
  248. Cladonia macrophyllodes Nyl. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 143), Alstrup et al. (2000: 8), Hansen (2002: 8), Hansen (2005: 40)
  249. Cladonia maxima (Asah.) Ahti - Thomson (1984: 145)
  250. Cladonia merochlorophaea Asah. - Thomson (1984: 143)
  251. Cladonia mitis Sandst. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 148), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 297), Hansen (2008: 403)
  252. Cladonia norrlinii Vain. - Thomson (1984: 152)
  253. Cladonia ochrochlora Flörke - Hansen (1983: 485)
  254. Cladonia phyllophora Ehrh. ex Hoffm. - Hansen (1978: 10), Hansen (1978b: 14), Thomson (1984: 153), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 297), Hansen (2008: 403)
  255. Cladonia pleurota (Flörke) Schaer. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 154), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 403)
  256. Cladonia pocillum (Ach.) O. Rich. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 156), Alstrup et al. (2000: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 28), Hansen (2008: 297), Hansen (2008: 403)
  257. Cladonia pyxidata (L.) Hoffm. - Alstrup (1977: 115), Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Alstrup (1982: 69), Hansen (1983: 177), Thomson (1984: 158), Hansen (2002: 8), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 297), Hansen (2008: 403)
  258. Cladonia rangiferina (L.) F. H. Wigg. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 159), Hansen (2008: 297)
  259. Cladonia scabriuscula (Del. in Duby) Nyl. - Thomson (1984: 160)
  260. Cladonia squamosa (Scop.) Hoffm. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 161), Hansen (2002: 8), Hansen (2002: 111)
  261. Cladonia stellaris (Opiz) Pouzar & Vezda - Hansen (1978: 10), Thomson (1984: 163)
  262. Cladonia strepsilis (Ach.) Grognot - Hansen (1983: 485)
  263. Cladonia stricta (Nyl.) Nyl. - Thomson (1984: 164), Hansen (2002: 8), Hansen (2002: 111)
  264. Cladonia stygia (Fr.) Ruoss - Hansen (2002: 8), Hansen (2005: 40), Hansen (2008: 297)
  265. Cladonia subcervicornis (Vain.) DuRietz - Hansen (1978: 10), Hansen (1978b: 14), Thomson (1984: 165)
  266. Cladonia subfurcata (Nyl.) Arn. - Hansen (1978b: 14), Thomson (1984: 166)
  267. Cladonia sulphurina (Michx.) Fr. - Thomson (1984: 169), Hansen (2005: 40), Hansen (2008: 403), Hansen (2008: 297)
  268. Cladonia symphycarpa (Ach.) Fr. - Hansen (1983: 486)
  269. Cladonia trassii Ahti - Hansen (2005: 40), Hansen (2008: 298), Hansen (2008: 403)
  270. Cladonia turgida Ehrh. ex Hoffm. - Thomson (1984: 172)
  271. Cladonia uncialis (L.) F. H. Wigg. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 173), Hansen (2002: 8)
  272. Cladonia verticillata (Hoffm.) Schaer. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 174)

  273. Clauzadea monticola (Schaer.) Hafellner & Bellem. - Alstrup et al. (2000: 9)

  274. Collema bachmanianum (Fink.) Degel. - Thomson (1984: 179)
  275. Collema callopismum A. Massal. - Thomson (1984: 180)
  276. Collema ceraniscum Nyl. - Thomson (1984: 182), Alstrup et al. (2000: 9)
  277. Collema coccophorum Tuck. - Alstrup et al. (2000: 9)
  278. Collema fuscovirens (With.) J. R. Laundon - Alstrup et al. (2000: 9)
  279. Collema glebulentum (Nyl. ex Crombie) Degel. - Thomson (1984: 185), Alstrup et al. (2000: 9), Hansen (2002: 111)
  280. Collema occultatum Bagl. - Hansen (2003: 150)
  281. Collema polycarpon Hoff. - Thomson (1984: 190)
  282. Collema substellatum H. Magn. - Alstrup et al. (2000: 9), Hansen (2002: 111), Hansen (2008: 28), Hansen (2008: 403)
  283. Collema tuniforme (Ach.) Ach. - Thomson (1984: 192)
  284. Collema undulatum Laurer ex Flot. var. granulosum Degel. - Alstrup et al. (2000: 9), Hansen (2002: 111), Hansen (2005: 40), Hansen (2008: 28), Hansen (2008: 298)

  285. Collemopsidium sublitorale (Leight.) Grube & B. D. Ryan - Hansen (1984: 300 as Arthopyrenia sublitoralis), Thomson (1997: 49 as Arthopyrenia sublitoralis)

  286. Coniocybe furfuracea (L.) Ach. - Hansen (xxx: 12), Hansen (1978b: 14), Thomson (1997: 210)

  287. Cryptothele granuliforme (Nyl.) Henssen - Thomson (1997: 515 as Pyrenopsidium granuliforme)
  288. Cryptothele rhodosticta (Taylor) Henssen - Thomson (1997: 518 as Pyrenopsis rhodosticta)

  289. Cystocoleus ebeneus (Dillwyn) Thwaites - Alstrup et al. (2000: 9), Hansen (2002: 8), Hansen (2002: 112), Hansen (2008: 298), Hansen (2008: 29)

  290. Dacampia engeliana (Saut.) A. Massal. - Alstrup et al. (2000: 9 on Solorina saccata)
  291. Dacampia hookeri (Borrer) A. Massal. - Alstrup et al. (2000: 9 on Solorina saccata), Hansen (2002: 112)

  292. Dactylina arctica (Hook. f.) Nyl. - Hansen (1983: 177), Thomson (1984: 203), Hansen (2002: 112)
  293. Dactylina ramulosa (Hook. f.) Tuck. - Hansen (1983: 177), Thomson (1984: 207), Alstrup et al. (2000: 9), Hansen (2002: 112), Hansen (2005: 40)

  294. Dermatocarpon intestiniforme (Körb.) Hasse - Thomson (1984: 216), Hansen (1982: 12
  295. Dermatocarpon luridum (With.) J. R. Laundon - Alstrup et al. (2000: 9)
  296. Dermatocarpon lyngei Servit - Thomson (1984: 218)
  297. Dermatocarpon meiophyllizum Vain. - Alstrup et al. (2000: 9), Hansen (2003: 150)
  298. Dermatocarpon miniatum (L.) Mann. - Hansen (1978b: 14), Thomson (1984: 219), Alstrup et al. (2000: 9), Hansen (2008: 29)
  299. Dermatocarpon rivulorum (Arnold) Dalla Torre & Sarnth. - Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 220)

  300. Dibaeis baeomyces (L. f.) Rambold & Hertel - Thomson (1984: 51 as Baeomyces roseus), Daniels et al. (1985: 50 as Baeomyces roseus)

  301. Dimelaena oreina (Ach.) Norman - Hansen (1978b: 14), Thomson (1997: 216), Alstrup et al. (2000: 9), Hansen (2002: 112), Hansen (2005: 40)

  302. Diploschistes gypsaceus (Ach.) Zahlbr. - Hansen (2004: 85)
  303. Diploschistes muscorum (Scop.) R. Sant. - Thomson (1997: 218), Alstrup et al. (2000: 9), Hansen (2002: 112), Hansen (2008: 403)
  304. Diploschistes scruposus (Schreb.) Norman - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1997: 218), Hansen (2002: 8)

  305. Diplotomma alboatrum (Hoffm.) Flot. - Alstrup (1982: 69 as Buellia alboatra), Thomson (1997: 127 as Buellia alboatra)
  306. Diplotomma nivale (Bagl. & Carestia) Hafellner - Thomson (1997: 134 as Buellia nivalis), Alstrup et al. (2000: 6 Buellia nivalis on Rusavskia elegans)

  307. Eiglera flavida (Hepp ex Kremp.) Hafellner - Thomson (1997: 220), Alstrup et al. (2000: 9)

  308. Enchylium tenax (Sw.) Gray - Thomson (1984: 191 as Collema tenax), Alstrup et al. (2000: 9 as Collema tenax)

  309. Endocarpon pulvinatum Th. Fr. - Hansen (1984: 302), Hansen (2002: 112)
  310. Endocarpon pusillum Hedw. - Hansen (1984: 304), Hansen (1999: 8), Alstrup et al. (2000: 9)

  311. Ephebe hispidula (Ach.) Horw. - Thomson (1984: 224), Hansen (1999: 8), Alstrup et al. (2000: 9), Hansen (2002: 8)
  312. Ephebe lanata (L.) Vain. - Hansen (1978b: 14), Hansen (1978: 57), Thomson (1984: 225)
  313. Ephebe multispora (Å. E. Dahl) Henssen - Thomson (1984: 226)

  314. Evernia mesomorpha Nyl. - Thomson (1984: 229)

  315. Euopsis granatina (Sommerf.) Nyl. - Thomson (1997: 223)
  316. Euopsis pulvinata (Schaer.) Vain. - Thomson (1997: 518 as Pyrenopsis pulvinata), Hansen (2002: 8), Hansen (2004: 85), Hansen (2005: 40)

  317. Farnoldia hypocrita (A. Massal.) Fröberg - Thomson (1997: 353 as Lecidea hypocrita), Alstrup et al. (2000: 9)
  318. Farnoldia micropsis (A. Massal.) Hertel - Thomson (1997: 226)

  319. Flavocetraria nivalis (L.) Kärnefelt & A. Thell - Hansen (1978: 9 as Cetraria nivalis), Hansen (1978b: 13 as Cetraria nivalis), Hansen (1978: 57), Hansen (1983: 177 as Cetraria nivalis), Thomson (1984: 92 as Cetraria nivalis), Hansen (1999: 8), Alstrup et al. (2000: 9), Hansen (2002: 8), Hansen (2002: 112), Hansen (2005: 40), Hansen (2008: 29), Hansen (2008: 298), Hansen (2008: 403)

  320. Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting var. citrina - Hansen, Poelt & Søchting (1987: 25 as Caloplaca citrina), Alstrup et al. (2000: 7 as Caloplaca citrina), Hansen (2005: 40 as Caloplaca citrina)
  321. Flavoplaca marina (Wedd.) Arup, Frödén & Søchting - Hansen (1978: 9 as Caloplaca marina), Hansen (1978b: 13 as Caloplaca marina), Thomson (1997: 166 as Caloplaca marina)

  322. Frutidella caesioatra (Schaer.) Kalb - Thomson (1997: 334 as Lecidea caesioatra), Hansen (2002: 8)

  323. Fulgensia bracteata (Hoffm.) Räsänen var. bracteata - Thomson (1997: 228 as Fulgensia bracteata), Alstrup et al. (2000: 9 as Fulgensia bracteata), Hansen (2002: 112 as Fulgensia bracteata), Hansen (2005: 40 as Fulgensia bracteata), Hansen (2008: 404 as Fulgensia bracteata)

  324. Fuscidea cyathoides (Ach.) V. Wirth & Vezda - Thomson (1997: 231)

  325. Fuscopannaria praetermissa (Nyl.) P. M. Jørg. - Alstrup et al. (2000: 9), Hansen (2002: 8), Hansen (2005: 40), Hansen (2008: 404)

  326. Glypholecia scabra (Pers.) Müll. Arg. - Thomson (1997: 236), Alstrup et al. (2000: 10)

  327. Gyalecta foveolaris (Ach.) Schaer. - Hansen (1978: 10), Thomson (1997: 238), Hansen (2002: 112)
  328. Gyalecta friesii (A. Massal.) Körb. - Thomson (1997: 239)
  329. Gyalecta geoica (Wahlenb.) Ach. - Thomson (1997: 240)
  330. Gyalecta incarnata (Th. Fr. & Graewe ex Th. Fr.) Baloch & Lücking - Thomson (1997: 117 as Belonia incarnata)
  331. Gyalecta jenensis (Batsch) Zahlbr. - Thomson (1997: 241)
  332. Gyalecta peziza(Mont.) Anzi - Thomson (1997: 242)

  333. Gyalecta russula (Körb. ex Nyl.) Baloch, Lumbsch & Wedin - Thomson (1997: 117 as Belonia russula)

  334. Gyalecta truncigena (Ach.) Hepp - Thomson (1997: 242)

  335. Gyalidea lecideopsis (A. Massal.) Lettau ex Vezda - Hansen & Graff-Petersen (1986: 76), Thomson (1997: 243)

  336. Gyalolechia desertorum (Tomin) Søchting, Frödén & Arup - Alstrup et al. (2000: 9 as Fulgensia desertorum), Hansen (2002: 112 as Fulgensia desertorum)
  337. Gyalolechia flavovirescens (Wulfen) Søchting, Frödén & Arup - Hansen (1978: 9 as Caloplaca flavovirescens), Hansen, Poelt & Søchting (1987: 29 as Caloplaca flavovirescens), Thomson (1997: 161 as Caloplaca flavovirescens), Alstrup et al. (2000: 7 as Caloplaca flavovirescens)

  338. Gyalolechia xanthostigmoidea (Räsänen) Søchting, Frödén & Arup - Hansen, Poelt & Søchting (1987: 27 as Caloplaca epiphyta), Alstrup et al. (2000: 7 as Caloplaca epiphyta)

  339. Gypsoplaca macrophylla (Zahlbr.) Timdal - Alstrup et al. (2000: 10), Hansen (2002: 112)

  340. Heppia lutosa (Ach.) Nyl. - Thomson (1997: 244)

  341. Hymenelia arctica (Lynge) Lutzoni - Alstrup et al. (2000: 9), Hansen (2004: 85)
  342. Hymenelia cyanocarpa (Anzi) Lutzoni - Thomson (1997: 251 as Ionaspis cyanocarpa), Alstrup et al. (2000: 10)
  343. Hymenelia epulotica (Ach.) Lutzoni - Thomson (1997: 253 as Ionaspis epulotica)
  344. Hymenelia heteromorpha (Kremp.) Lutzoni - Alstrup et al. (2000: 10)
  345. Hymenelia lacustris (With.) M. Choisy - Thomson (1997: 245), Hansen (2002: 112)

  346. Hypocenomyce leucococca R. Sant. - Hansen (2004: 86)

  347. Hypogymnia austerodes (Nyl.) Räsänen - Alstrup (1977: 115), Hansen (1978: 10), Thomson (1984: 237), Alstrup et al. (2000: 10), Hansen (2002: 112), Hansen (2005: 41)
  348. Hypogymnia oroarctica Krog - Hansen (1978: 10), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 239)
  349. Hypogymnia physodes (L.) Nyl. - Alstrup (1977: 115), Hansen (1978: 10), Thomson (1984: 241), Hansen (2002: 113)
  350. Hypogymnia subobscura (Vain.) Poelt - Thomson (1984: 242), Alstrup et al. (2000: 10), Hansen (2002: 113), Hansen (2005: 41), Hansen (2008: 29)
  351. Hypogymnia tubulosa (Schaer.) Hav. - Alstrup (1977: 115)

  352. Icmadophila ericetorum (L.) Zahlbr. - Thomson (1997: 249)

  353. Ionaspis annularis H. Magn. - Thomson (1997: 251)
  354. Ionaspis chrysophana (Körb.) Th. Fr. - Thomson (1997: 255 as Ionaspis suaveolens), Alstrup et al. (2000: 10 as Ionaspis suaveolens), Hansen (2002: 113 as Ionaspis suaveolens)
  355. Ionaspis odora (Ach.) Th. Fr. - Alstrup et al. (2000: 10)
  356. Ionaspis ventosa P. M. Jørg. & R. Sant. - Alstrup et al. (2000: 10)

  357. Japewia tornoensis (Nyl.) Tønsberg - Hansen (2002: 8)

  358. Koerberiella wimmeriana (Körb.) Stein - Hansen (2002: 8)

  359. Lambiella furvella (Nyl. ex Mudd) M. Westb. & Resl - Hansen (2002: 11 as Rimularia furvella)
  360. Lambiella impavida (Th. Fr.) M. Westb. & Resl - Thomson (1997: 354 as Lecidea impavida), Hansen (2002: 11 as Rimularia impavida), Hansen (2004: 88 as Rimularia impavida)

  361. Lasallia pensylvanica (Hoffm.) Llano - Hansen (1978: 10), Thomson (1984: 246)

  362. Lecania flavescens Lynge - Thomson (1997: 257)
  363. Lecania subfuscula (Nyl.) S. Ekman - Thomson (1997: 111 as Bacidia subfuscula)

  364. Lecanora anopta Nyl. - Hansen (2004: 2)
  365. Lecanora arctica Lynge - Lynge (1937: 132 Protologue), Hansen (1978: 10) Type
  366. Lecanora argopholis (Ach.) Ach. - Thomson (1997: 267), Hansen (1999: 8), Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2002: 113), Hansen (2005: 41)
  367. Lecanora atrosulphurea (Wahlenb.) Ach. - Hansen (1984: 304), Thomson (1997: 267), Hansen (2002: 8), Hansen (2002: 113)
  368. Lecanora boligera (Norman) Hedl. - Daniels et al. (1985: 55), Hansen (2002: 8), Hansen (2004: 86)
  369. Lecanora cavicola Creveld - Alstrup et al. (2000: 10)
  370. Lecanora cenisia Ach. - Hansen (1986: 177), Thomson (1997: 272), Hansen (2002: 8), Hansen (2005: 41)
  371. Lecanora chlarotera Nyl. - Alstrup (1977: 115 as Lecanora chlarona), Alstrup (1977: 115)
  372. Lecanora chloroleprosa (Vain.) H. Magn. - Hansen (1983: 486), Hansen (1999: 8), Hansen (2002: 8), Hansen (2005: 41)
  373. Lecanora circumborealis Brodo & Vitik. - Thomson (1997: 274)
  374. Lecanora confusa Almb. - Alstrup (1977: 115)
  375. Lecanora contractula Nyl. - Thomson (1997: 276), Hansen (1999: 8), Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2002: 113), Hansen (2004: 86), Hansen (2005: 41)
  376. Lecanora crenulata Hook. - Thomson (1997: 277), Alstrup et al. (2000: 10)
  377. Lecanora discoensis Lynge - Thomson (1997: 278)
  378. Lecanora dispersa (Pers.) Sommerf. - Thomson (1997: 278), Alstrup et al. (2000: 10), Hansen (2002: 113)
  379. Lecanora epibryon (Ach.) Ach. - Hansen (1978: 10 as Lecanora epibryon), Hansen (1983: 177), Thomson (1997: 279), Alstrup et al. (2000: 10), Hansen (2002: 113), Hansen (2005: 41), Hansen (2008: 404)
  380. Lecanora expallens Ach. - Alstrup (1977: 116), Thomson (1997: 280)
  381. Lecanora flotowiana Sprengel - Alstrup et al. (2000: 10)
  382. Lecanora frustulosa (Dicks.) Ach. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Alstrup et al. (2000: 10)
  383. Lecanora fuscescens (Sommerf.) Nyl. - Thomson (1997: 283), Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2002: 113), Hansen (2005: 41), Hansen (2008: 404)
  384. Lecanora gangaleoides Nyl. - Alstrup et al. (2000: 10), Hansen (2004: 2)
  385. Lecanora geophila (Th. Fr.) Poelt- Thomson (1997: 283), Alstrup et al. (2000: 10), Hansen (2002: 113), Hansen (2005: 41), Hansen (2006: 2), Hansen (2008: 404)
  386. Lecanora groenlandica Lynge- Lynge (xx: xx Protologue), Thomson (1997: 285) Type
  387. Lecanora hagenii (Ach.) Ach. - Thomson (1997:286)
  388. Lecanora hagenii (Ach.) Ach. var. fallax Hepp - Hansen (2005: 41), Hansen (2008: 29)
  389. Lecanora hagenii (Ach.) Ach. f. saxifragae Anzi - Alstrup et al. (2000: 10)
  390. Lecanora intricata (Ach.) Ach. - Thomson (1997: 288), Hansen (1999: 8), Hansen (2002: 8), Hansen (2002: 113), Hansen (2005: 41)
  391. Lecanora leptacina Sommerf. - Thomson (1997: 289), Hansen (2002: 8)
  392. Lecanora leucococca Sommerf. - Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2004: 86)
  393. Lecanora luteovernalis Brodo - Alstrup et al. (2000: 10), Hansen (2002: 113), Hansen (2008: 404)
  394. Lecanora marginata (Schaerer) Hertel & Rambold - Thomson (1997: 291), Alstrup et al. (2000: 10), Hansen (2002: 113)
  395. Lecanora mastoidea Lynge - Hansen (1978: 10)
  396. Lecanora maxima Lynge - Hansen (1984: 306), Thomson (1997: 293)
  397. Lecanora microfusca Lynge - Thomson (1997: 294)
  398. Lecanora pachythallina Lynge - Hansen (1984: 308)
  399. Lecanora perpruinosa Fröberg - Alstrup et al. (2000: 10)
  400. Lecanora poliophaea (Wahlenb.) Ach. - Hansen (2004: 2)
  401. Lecanora polytropa (Ehrh. in Hoffm.) Rabenh. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Hansen (1983: 177), Hansen & Graff-Petersen (1986: 76), Thomson (1997: 299), Hansen (1999: 8), Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2002: 113), Hansen (2004: 15), Hansen (2005: 41), Hansen (2008: 404)
  402. Lecanora reagens Norman - Hansen (1983: 487)
  403. Lecanora rimicola H. Magn. - Hansen (2004: 2)
  404. Lecanora rupicola (L.) Zahlbr. - Thomson (1997: 303)
  405. Lecanora saligna (Schrad.) Zahlbr. - Thomson (1997: 305), Hansen (2004: 86)
  406. Lecanora sambuci (Pers.) Nyl. - Thomson (1997: 306)
  407. Lecanora straminea (Wahlenb.) Ach. - Hansen (1978: 10), Hansen (1978b: 14), Alstrup (1987: 52), Thomson (1997: 306)
  408. Lecanora subradiosa Nyl. - Hansen (1983: 488)
  409. Lecanora surrecta Lynge - Lynge (1940: xx Protologue), Hansen (2004: 2) Type
  410. Lecanora swartzii (Ach.) Ach. - Alstrup et al. (2000: 10)
  411. Lecanora symmicta (Ach.) Ach. - Thomson (1997: 309)
  412. Lecanora torrida Vain. - Thomson (1997: 310)
  413. Lecanora umbrina (Ach.) A. Massal. - Alstrup et al. (2000: 10)
  414. Lecanora varia (Hoffm.) Ach. - Alstrup (1977: 116), Thomson (1997: 311), Hansen (2003: 151)
  415. Lecanora vicaria (Th. Fr.) Vain. - Hansen (2004: 2)

  416. Lecidea antiloga Stirt. - Hansen (2002: 8)
  417. Lecidea atrobrunnea (Ramond ex Lam. & DC.) Schaer. - Hansen (1978: 10), Hansen (1978b: 14), Hansen (1978: 57), Thomson (1997: 327), Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2002: 114), Hansen (2005: 41)
  418. Lecidea atrofulva Sommerf. - Hansen (1986: 180), Thomson (1997: 328)
  419. Lecidea atromarginata H. Magn. - Alstrup et al. (2000: 10), Hansen (2002: 8), Hansen (2003: 151)
  420. Lecidea auriculata Th. Fr. - Fries (1861: 213 Protologue), Hansen (1978b: 15), Hansen (1983: 177), Thomson (1997: 329), Alstrup et al. (2000: 11), Hansen (2002: 8), Hansen (2002: 114) Type
  421. Lecidea berengeriana (A. Massal.) Nyl. - Hansen (1978: 10), Thomson (1997: 331)
  422. Lecidea conferenda Nyl. - Thomson (1997: 338), Alstrup et al. (2000: 11), Hansen (2004: 3)
  423. Lecidea confluens (Weber) Ach. - Thomson (1997: 339), Alstrup et al. (2000: 11)
  424. Lecidea convallium Lynge - Lynge (1937: 74 Protologue) Type
  425. Lecidea diapensiae Th. Fr. - Thomson (1997: 342)
  426. Lecidea diducens Nyl. - Thomson (1997: 343)
  427. Lecidea convallium Lynge - Thomson (1997: 340)
  428. Lecidea ementiens Nyl. - Thomson (1997: 344)
  429. Lecidea erythrophaea Flörke - Thomson (1997: 345)
  430. Lecidea fuscoatra (L.) Ach - Thomson (1997: 347)
  431. Lecidea furvella Nyl. ex Mudd - Hansen (1983: 490), Thomson (1997: 346)
  432. Lecidea garovaglii Schaer. - Thomson (1997: 348)
  433. Lecidea globifera Ach. - Hansen (1978: 11)
  434. Lecidea haerjedalica H. Magn. - Thomson (1997: 349), Alstrup et al. (2000: 11)
  435. Lecidea humboldtii Lynge - Lynge (1940: xx Type), Thomson (1997: 350)
  436. Lecidea insularis Nyl. - Hansen (1986: 182)
  437. Lecidea lactea Flörke ex Schaer. - Hansen (1978: 11 as Lecidea pantherina), Hansen (1978b: 15 as Lecidea pantherina), Hansen (1978: 57 as Lecidea pantherina), Thomson (1997: 355), Hansen (1999: 8 as Lecidea lapicida var. pantherina), Alstrup et al. (2000: 11), Hansen (2002: 114), Hansen (2002: 8 as Lecidea lapicida var. pantherina), Hansen (2005: 41 as Lecidea lapicida var. pantherina)
  438. Lecidea lapicida (Ach.) Ach. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1997: 357), Hansen (1999: 8), Alstrup et al. (2000: 11), Hansen (2002: 8), Hansen (2002: 114), Hansen (2008: 404)
  439. Lecidea leptoboloides Nyl. - Thomson (1997: 358)
  440. Lecidea leucothallina Arnold - Thomson (1997: 360), Alstrup et al. (2000: 11), Hansen (2002: 8), Hansen (2004: 86)
  441. Lecidea lithophila (Ach.) Ach. - Thomson (1997: 362)
  442. Lecidea lithophiloides Müll. Arg. - Hansen (2004: 86)
  443. Lecidea molybdochroa Hertel - Thomson (1997: 363), Alstrup et al. (2000: 11)
  444. Lecidea nylanderi (Anzi) Th. Fr. - Thomson (1997: 365)
  445. Lecidea occidentalis Lynge - Thomson (1997: 366)
  446. Lecidea pachydermatica Lynge - Lynge (1937: 40 Type)
  447. Lecidea pallida Th. Fr. - Thomson (1997: 367) Nom. illegit.
  448. Lecidea paupercula Th. Fr. - Hansen (1984: 308), Thomson (1997: 369)
  449. Lecidea plana (J. Lahm) Nyl. - Thomson (1997: 372), Alstrup et al. (2000: 11), Hansen (2004: 87)
  450. Lecidea praenubila Nyl. - Alstrup et al. (2000: 11), Hansen (2006: 2)
  451. Lecidea promiscens Nyl. - Thomson (1997: 375)
  452. Lecidea ramulosa Th. Fr. - Thomson (1997: 376), Alstrup et al. (2000: 11), Hansen (2002: 114)
  453. Lecidea silacea (Hoffm.) Ach. - Hansen (1984: 308), Hansen (1986: 182), Thomson (1997: 378), Alstrup et al. (2000: 11), Hansen (2002: 8), Hansen (2002: 114)
  454. Lecidea subduplex (Nyl.) Nyl. - Thomson (1997: 381)
  455. Lecidea sublimosa Nyl. - Hansen (2004: 87)
  456. Lecidea subplumbea Anzi - Thomson (1997: 382)
  457. Lecidea subrhagadiella Lynge - Thomson (1997: 383)
  458. Lecidea symmicta (Ach.) Ach. - Hansen (1978: 11)
  459. Lecidea tenuissima Lynge - Thomson (1997: 383)
  460. Lecidea tessellata Flörke - Thomson (1997: 384), Alstrup et al. (2000: 11), Hansen (2002: 8), Hansen (2002: 114), Hansen (2005: 41), Hansen (2008: 29)
  461. Lecidea theodori Lynge - Thomson (1997: 385)
  462. Lecidea tornoënsis Nyl. - Hansen (1978: 11), Thomson (1997: 387)
  463. Lecidea umbonata (Hepp.) Mudd - Thomson (1997: 389)

  464. Lecidella asema (Nyl.) Knoph & Hertel - Hansen (2006: 2)
  465. Lecidella bullata Körb. - Thomson (1997: 393), Alstrup et al. (2000: 11), Hansen (2002: 114)
  466. Lecidella carpathica Körb. - Thomson (1997: 395), Alstrup et al. (2000: 11), Hansen (2004: 3)
  467. Lecidella effugiens (B. Nilson) Knoph & Hertel - Alstrup et al. (2000: 11)
  468. Lecidella elaeochroma (Ach.) Hazslin - Thomson (1997: 396)
  469. Lecidella euphorea (Flörke) Hertel - Thomson (1997: 398), Hansen (2002: 114), Hansen (2004: 87)
  470. Lecidella inamoena (Müll.Arg.) Hertel - Thomson (1997: 399)
  471. Lecidella patavia (A. Massal.) Knoph & Hertel - Alstrup et al. (2000: 11)
  472. Lecidella stigmatea (Ach.) Hertel & Leuck. - Thomson (1997: 402), Alstrup et al. (2000: 11), Hansen (2002: 114)
  473. Lecidella wulfenii (Hepp) Körb. - Thomson (1997: 403), Alstrup et al. (2000: 11), Hansen (2002: 114), Hansen (2005: 41), Hansen (2008: 404)

  474. Lecidoma demissum (Rutstr.) Schneider & Hertel - Hansen (1978: 10), Hansen (1978b: 15 as Lecidea demissa), Hansen (1978: 57 as Lecanora demissa), Thomson (1997: 405), Hansen (2002: 8), Hansen (2008: 404)

  475. Leciophysma finmarkicum Th. Fr. - Thomson (1984: 248), Poelt (1985: 94)
  476. Leciophysma furfurascens (Nyl.) Gyeln. - Thomson (1984: 249)

  477. Lempholemma polyanthes (Schrad.) Malme - Thomson (1997: 407 as Lempholemma myriococcum), Hansen (2006: 2)
  478. Lempholemma radiatum (Sommerf.) Henssen - Hansen (1984: 309), Thomson (1997: 407)

  479. Lepra aspergilla (Ach.) Hafellner - Hansen (2004: 3 as Pertusaria aspergilla)
  480. Lepra dactylina (Ach.) Hafellner - Hansen (1978: 11 as Pertusaria dactylina), Hansen (1978b: 16 as Pertusaria dactylina), Hansen (1978: 57 as Pertusaria dactylina), Thomson (1997: 453 as Pertusaria dactylina), Alstrup et al. (2000: 13 as Pertusaria dactylina), Hansen (2002: 10 as Pertusaria dactylina), Hansen (2002: 117 as Pertusaria dactylina), Hansen (2005: 41 as Pertusaria dactylina)
  481. Lepra panyrga (Ach.) Hafellner - Hansen (1978: 11 as Pertusaria panyrga), Thomson (1997: 459 as Pertusaria panyrga), Alstrup et al. (2000: 13), Hansen (2002: 117 as Pertusaria panyrga)

  482. Lepraria arctica (Lynge) Wetmore - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57)
  483. Lepraria eburnea J. R. Laundon - Hansen (2008: 404)
  484. Lepraria frigida J. R. Laundon - Alstrup et al. (2000: 11)
  485. Lepraria gelida Tønsberg & Zhurb. - Hansen (2008: 404)
  486. Lepraria neglecta (Nyl.) Lettau - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Hansen (1999: 8), Hansen (2002: 9)
  487. Lepraria frigida J. R. Laundon - Hansen (2002: 114)
  488. Lepraria lobificans Nyl. - Hansen (2002: 114)
  489. Lepraria subalbicans (I. M. Lamb) Lendemer & B. P. Hodk. - Hansen (1978: 11 as Leprocaulon subalbicans), Thomson (1984: 250 as Leprocaulon subalbicans), Hansen (1999: 8 as Leprocaulon subalbicans), Alstrup et al. (2000: 11 as Leprocaulon subalbicans), Hansen (2002: 9 as Leprocaulon subalbicans), Hansen (2002: 114 as Leprocaulon subalbicans), Hansen (2005: 41 as Leprocaulon subalbicans), Hansen (2008: 298 as Leprocaulon subalbicans)

  490. Leptochidium albociliatum (Desm.) M. Choisy - Poelt (1985: 94)

  491. Leptogium saturninum (Dicks.) Nyl. - Hansen (1978: 11), Thomson (1984: 262), Hansen (2002: 9)
  492. Leptogium tenuissimum (Dicks.) Körb. - Thomson (1984: 264), Hansen (2002: 114), Hansen (2006: 2)
  493. Leptogium teretiusculum (Wallr.) Arnold - Hansen (2006: 2)

  494. Lichenomphalia alpina (Britzelm.) Redhead, Lutzoni, Moncalvo & Vilgalys - Hansen (2002: 115 as Omphalina alpina)
  495. Lichenomphalia hudsoniana (H.S. Jenn.) Redhead, Lutzoni, Moncalvo & Vilgalys - Hansen (1978: 10 as Coriscium viride), Hansen (1978b: 14 as Coriscium viride), Thomson (1984: 196 as Coriscium viride), Hansen (2002: 115 as Omphalina hudsoniana), Hansen (2005: 41)

  496. Lithographa tesserata (DC.) Nyl. - Thomson (1997: 408)

  497. Lobaria hallii (Tuck.) Zahlbr. - Thomson (1984: 266)
  498. Lobaria scrobiculata (Scop.) P. Gaertn. - Hansen (1978: 11), Thomson (1984: 271)

  499. Lobothallia alphoplaca (Wahlenb. in Ach.) Hafellner - Thomson (1997: 59 as Aspicilia alphoplaca), Hansen (2002: 115)
  500. Lobothallia melanaspis (Ach.) Hafellner - Thomson (1997: 82 as Aspicilia melanaspis)Hansen (2002: 115)
  501. Lobothallia radiosa (Hoffm.) Hafellner - Hansen (2003: 150)

  502. Lopadium coralliodeum (Nyl.) Lynge - Thomson (1997: 409), Hansen (2002: 9), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 298)
  503. Lopadium pezizoideum (Ach.) Körb. - Thomson (1997: 411), Alstrup et al. (2000: 11), Hansen (2002: 9), Hansen (2002: 115)

  504. Massalongia carnosa (Dicks.) Körb. - Hansen (1978: 11), Hansen (1978b: 15), Thomson (1984: 274), Hansen (2002: 9)

  505. Megaspora verrucosa (Ach.) Hafellner & V. Wirth - Alstrup et al. (2000: 11), Hansen (2002: 115)

  506. Melanelia disjuncta (Erichsen) Essl. - Hansen (1978: 11 as Parmelia disjuncta), Hansen (1978b: 15 as Parmelia disjuncta), Thomson (1984: 299 as Parmelia disjuncta), Alstrup et al. (2000: 11 as Melanelia disjuncta), Hansen (2002: 9), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 298)
  507. Melanelia panniformis (Nyl.) Vain. - Thomson (1984: 309)
  508. Melanelia hepatizon (Ach.) A. Thell - Hansen (1978: 9 as Cetraria hepatizon), Hansen (1978b: 13), Hansen (1978: 57 as Cetraria hepatizon), Alstrup (1982: 69 as Cetraria hepatizon), Thomson (1984: 82 as Cetraria hepatizon), Hansen (2002: 9), Hansen (2004: 15), Hansen (2005: 41), Hansen (2008: 299), Hansen (2008: 404)
  509. Melanelia sorediata (Ach.) Goward & Ahti - Thomson (1984: 312 as Parmelia sorediosa), Alstrup et al. (2000: 12)
  510. Melanelia stygia (L.) Essl. - Hansen (2002: 115), Hansen (2008: 299)

  511. Melanelixia glabratula (Lamy) Sandler & Arup - Alstrup (1977: 116 as Melanelia glabratula)

  512. Melanohalea elegantula (Zahlbr.) O. Blanco et al. - Thomson (1984: 300 as Parmelia elegantula)
  513. Melanohalea exasperata (De Not.) O. Blanco et al. - Alstrup (1977: 116 as Parmelia exasperata)
  514. Melanohalea exasperatula (Nyl.) O. Blanco et al. - Alstrup (1977: 116 as Parmelia exasperatula), Hansen (1984: 309 as Parmelia exasperatula), Thomson (1984: 300 as Parmelia exasperatula)
  515. Melanohalea infumata (Nyl.) O. Blanco et al. - Hansen (1978: 11 as Parmelia infumata), Hansen (1978b: 15 as Parmelia infumata), Hansen (1978: 57 as Parmelia infumata), Thomson (1984: 304 as Parmelia infumata), Alstrup et al. (2000: 11 as Melanelia infumata), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 29 as Melanelia infumata), Hansen (2008: 405 as Melanelia infumata)
  516. Melanohalea olivacea (L.) O. Blanco et al. - Alstrup (1977: 116 as Melanelia olivacea), Thomson (1984: 306 as Melanelia olivacea)
  517. Melanohalea septentrionalis (Lynge) O. Blanco et al. - Hansen (1978: 11 as Parmelia septentrionalis), Thomson (1984: 311 as Parmelia septentrionalis)

  518. Micarea assimilata (Nyl.) Coppins - Thomson (1997: 413), Hansen (2005: 41)
  519. Micarea crassipes (Th. Fr.) Coppins - Thomson (1997: 414)
  520. Micarea denigrata (Fr.) Hedl. - Thomson (1997: 415 as Micarea denigrata)
  521. Micarea incrassata Hedl. - Thomson (1997: 416), Alstrup et al. (2000: 12), Hansen (2002: 9)
  522. Micarea melaena (Nyl.) Hedl. - Thomson (1997: 419)
  523. Micarea turfosa (A. Massal.) Du Rietz - Thomson (1997: 420)

  524. Miriquidica atrofulva (Sommerf.) A. J. Schwab & Rambold - Hansen (1999: 8), Hansen (2002: 9), Hansen (2005: 41)
  525. Miriquidica deusta (Stenh.) Hertel & Rambold - Alstrup et al. (2000: 12)
  526. Miriquidica garovaglioi (Schaer.) Hertel & Rambold - Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 405)
  527. Miriquidica leucophaea (Flörke ex Rabenh.) Hertel & Rambold - Hansen (1978b: 15 as Lecidea leucophaea), Thomson (1997: 359 as Lecidea leucophaea), Hansen (2002: 9), Hansen (2003: 152)
  528. Miriquidica lulensis (Hellb.) Hertel & Rambold - Thomson (1997: 363 Lecidea lulensis), Alstrup et al. (2000: 12)
  529. Miriquidica nigroleprosa (Vain.) Hertel & Rambold - Hansen (1983: 492 as Lecidea nigroleprosa), Hansen (1999: 8), Hansen (2005: 41)
  530. Miriquidica picea (Lynge) xxx - Thomson (1997: 371 as Lecidea picea)

  531. Montanelia tominii (Oxner) Divakar, A. Crespo, Wedin & Essl. - Hansen (1984: 310 as Parmelia substygia), Thomson (1984: 317 as Parmelia substygia)

  532. Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth - Sarrión et al. (2003: 2)
  533. Mycobilimbia hypnorum (Lib.) Kalb & Hafellner - Alstrup et al. (2000: 12), Hansen (2006: 2)
  534. Mycobilimbia obscurata (Sommerf.) Rehm - Hansen (2004: 87)
  535. Mycobilimbia pilularis (Körb.) Hafellner & Türk - Thomson (1997: 110 as Bacidia sphaeroides)
  536. Mycobilimbia tetramera (De Not.) Vitik. et al. - Alstrup et al. (2000: 12)

  537. Mycoblastus affinis (Schaer.) T. Schauer - Hansen (2003: 152)
  538. Mycoblastus alpinus (Fr.) Kernst. - Thomson (1997: 425), Hansen (2002: 9)
  539. Mycoblastus sanguinarius (L.) Norman - Thomson (1997: 426)
  540. Mycoblastus tornoensis (Nyl.) Anderson - Daniels et al. (1985: 56)

  541. Myriolecis albescens (Hoffm.) Sliwa, Zhao Xin & Lumbsch - Hansen (1978: 10 as Lecanora albescens)

  542. Myriolecis behringii (Nyl.) Hafellner - Hansen (1983: 177 as Lecanora behringii), Thomson (1997: 270 as Lecanora behringii), Hansen (2002: 113 as Lecanora behringii)
  543. Myriolecis thuleana (Poelt) Sliwa, Zhao Xin & Lumbsch - Thomson (1997: 44 as Arctopeltis thuleana), Hansen (2005: 39 as Arctopeltis thuleana), Hansen (2006: 36 as Arctopeltis thuleana)

  544. Myxobilimbia lobulata (Sommerf.) Hafellner - Alstrup et al. (2000: 12 as Mycobilimbia lobulata), Hansen (2002: 9), Hansen (2002: 115 as Mycobilimbia lobulata), Hansen (2005: 41)

  545. Nephroma arcticum (L.) Torss. - Hansen (1978: 11), Hansen (1978b: 15), Thomson (1984: 277), Hansen (2002: 9)
  546. Nephroma bellum (Spreng.) Tuck. - Hansen (1978: 11), Thomson (1984: 278)
  547. Nephroma expallidum (Nyl.) Nyl. - Hansen (1978: 11), Thomson (1984: 279), Hansen (2008: 299), Hansen (2008: 405)
  548. Nephroma isidiosum (Nyl.) Gyeln. - Thomson (1984: 281)
  549. Nephroma laevigatum Ach. - Hansen (1978b: 15),
  550. Nephroma parile (Ach.) Ach. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 282), Hansen (2002: 9)
  551. Nephroma resupinatum (L.) Ach. - Thomson (1984: 283)

  552. Nephromopsis cucullata (Bellardi) Divakar, A. Crespo & Lumbsch - Hansen (1978: 9 as Cetraria cucullata), Hansen (1978b: 13 as Cetraria cucullata), Hansen (1983: 177 as Cetraria cucullata), Hansen (1978: 57 as Cetraria cucullata), Thomson (1984: 76 as Cetraria cucullata), Hansen (1999: 8 as Flavocetraria cucullata), Alstrup et al. (2000: 9 as Flavocetraria cucullata), Hansen (2002: 112 as Flavocetraria cucullata), Hansen (2005: 40 as Flavocetraria cucullata), Hansen (2008: 298 as Flavocetraria cucullata), Hansen (2008: 403 as Flavocetraria cucullata)

  553. Nodobryoria subdivergens (Å. E. Dahl) Common & Brodo - Thomson (1984: 67 as Bryoria subdivergens)

  554. Obryzum corniculatum (Hoffm.) Wallr. - Alstrup et al. (2000: 11 as Leptogium corniculatum)

  555. Ochrolechia alboflavescens (Wulfen) Zahlbr. - Hansen (1978: 11)
  556. Ochrolechia androgyna (Hoffm.) Arnold - Thomson (1997: 430), Hansen (2002: 115)
  557. Ochrolechia frigida (Sw.) Lynge - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Thomson (1997: 431), Hansen (1999: 8), Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 299), Hansen (2008: 405)
  558. Ochrolechia geminipara (Th. Fr.) Vain. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57)
  559. Ochrolechia grimmiae Lynge - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1984: 309), Hansen (1986: 183), Thomson (1997: 432), Hansen (2002: 9), Hansen (2005: 41)
  560. Ochrolechia inaequatula (Nyl.) Zahlbr. - Thomson (1997: 434), Hansen (2005: 41)
  561. Ochrolechia lapuünsis (Räsänen) Räsänen - Hansen (1978b: 15), Hansen (1978: 57), Hansen (2002: 9), Hansen (2002: 115), Hansen (2005: 41), Hansen (2008: 405)
  562. Ochrolechia upsaliensis (L.) A. Massal. - Hansen (1978: 11), Thomson (1997: 436), Alstrup et al. (2000: 12), Hansen (2002: 115), Hansen (2008: 405)

  563. Ophioparma lapponica (Räsänen) Hafellner & R. W. Rogers - Thomson (1997: 440)
  564. Ophioparma ventosa (L.) Norman - Hansen (1978: 10 as Haematomma ventosum), Hansen (1978b: 14 as Haematomma ventosum), Hansen (1978: 57 as Haematomma ventosum), Hansen (2002: 9), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 405)

  565. Orphniospora moriopsis (A. Massal.) D. Hawksw. - Körber (1874: 81 as Orphniospora groenlandica Protologue), Hansen (1978: 9 as Buellia atrata), Hansen (1978b: 13 as Buellia atrata), Hansen (1978: 57 as Buellia atrata), Hansen (1983: 177 as Orphniospora atrata), Thomson (1997: 441), Hansen (1999: 8), Hansen (2002: 9), Hansen (2002: 116), Hansen (2004: 15), Hansen (2005: 41)

  566. Oxneriaria mashiginensis (Zahlbr.) S. Y. Kondr. & Lokös - Thomson (1997: 80 as Aspicilia mashiginensis), Alstrup et al. (2000: 5 as Aspicilia bennettii), Hansen (2002: 108 as Aspicilia mashiginensis)
  567. Oxneriaria nikrapensis (Darb.) S. Y. Kondr. & Lokös - Alstrup et al. (2000: 5 as Aspicilia nikrapensis)
  568. Oxneriaria supertegens (Arnold) S. Y. Kondr. & Lokös - Hansen (2003: 150 as Aspicilia supertegens)

  569. Megaspora verrucosa (Ach.) B. Abbott & A. Nordin - Thomson (1997: 443 as Pachyospora verrucosa)

  570. Pachypeltis castellana (Räsänen) Søchting, Frödén & Arup - Hansen, Poelt & Søchting (1987: 21 as Caloplaca castellana), Hansen (1999: 8 as Caloplaca castellana), Alstrup et al. (2000: 7 as Caloplaca castellana on Rhizocarpon geminatum, Placynthium asperellum, Placynthium nigrum), Hansen (2002: 7 as Caloplaca castellana), Hansen (2002: 109 as Caloplaca castellana), Hansen (2005: 40 as Caloplaca castellana), Hansen (2006: 37 as Caloplaca castellana), Hansen (2008: 401 as Caloplaca castellana)
  571. Pachypeltis invadens (Lynge) Søchting, Frödén & Arup - Thomson (1997: 165 as Caloplaca invadens)

  572. Pannaria hookeri (Borr. ex Sm.) Nyl. - Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 293), Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 116)
  573. Pannaria pezizoides (Web.) Trev. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 294), Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 116)

  574. Parmelia fraudans (Nyl.) Nyl. - Thomson (1984: 302)
  575. Parmelia omphalodes (L.) Ach. - Alstrup (1977: 116), Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 308), Hansen (2002: 116), Hansen (2005: 41)
  576. Parmelia saxatilis (L.) Ach. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 310), Hansen (2002: 9), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 299)
  577. Parmelia sulcata Taylor - Alstrup (1977: 116), Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 318), Hansen (2002: 9), Hansen (2002: 116), Hansen (2005: 41)

  578. Parmeliella arctophila (Th. Fr.) Malme - Thomson (1984: 320)
  579. Parmeliella praetermissa (Nyl.) James - Thomson (1984: 320)
  580. Parmeliella triptophylla (Ach.) Müll. - Thomson (1984: 321), Alstrup et al. (2000: 12), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 299)

  581. Parmeliopsis ambigua (Wulf.) Nyl. - Alstrup (1977: 116), Hansen (1978: 11), Hansen (1978b: 15), Thomson (1984: 325)
  582. Parmeliopsis hyperopta (Ach.) Arn. - Hansen (1978: 11), Hansen (1978b: 15), Thomson (1984: 326)

  583. Peltigera aphthosa (L.) Willd. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 329), Alstrup et al. (2000: 12), Hansen (2002: 116)
  584. Peltigera britannica (Gyeln.) Holtan-Hartwig & Tønsberg - Alstrup et al. (2000: 12)
  585. Peltigera canina (L.) Willd. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (2002: 9)
  586. Peltigera canina (L.) Willd. f. sorediata Schaer. - Thomson (1984: 332)
  587. Peltigera collina (Ach.) Schrad. - Hansen (1978: 11), Thomson (1984: 334)
  588. Peltigera didactyla (With.) J. R. Laundon - Hansen (1978: 11 as Peltigera spuria), Hansen (1978b: 15 as Peltigera spuria), Hansen (1978: 57 as Peltigera spuria), Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 299), Hansen (2008: 405)
  589. Peltigera lepidophora (Nyl.) Vain. - Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 338), Alstrup et al. (2000: 12), Hansen (2002: 9), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 405)
  590. Peltigera leucophlebia (Nyl.) Gyeln. - Hansen (1983: 177), Thomson (1984: 330 as Peltigera aphthosa var. leucophlebia), Alstrup et al. (2000: 12), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 30), Hansen (2008: 299), Hansen (2008: 405)
  591. Peltigera malacea (Ach.) Funck. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 339), Hansen (2002: 19), Hansen (2002: 116), Hansen (2005: 41)
  592. Peltigera membranacea (Ach.) Nyl. - Thomson (1984: 340), Hansen (2006: 3)
  593. Peltigera occidentalis (Dahl.) Krist. - Thomson (1984: 341), Hansen (2004: 87)
  594. Peltigera polydactyla (Neck.) Hoffm. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 343)
  595. Peltigera rufescens (Weiss) Humb. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 333 as Peltigera canina var. rufescens), Alstrup et al. (2000: 12), Hansen (2002: 10), Hansen (2002: 116), Hansen (2005: 41), Hansen (2008: 30), Hansen (2008: 299), Hansen (2008: 406)
  596. Peltigera scabrosa Th. Fr. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 344), Alstrup et al. (2000: 12), Hansen (2002: 10), Hansen (2005: 41)
  597. Peltigera venosa (L.) Hoffm. - Hansen (1978: 11), Hansen (1978b: 15), Hansen (1978: 57), Thomson (1984: 345), Alstrup et al. (2000: 12), Hansen (2002: 116), Hansen (2008: 299)

  598. Peridiothelia fuliguncta (Norman) D. Hawksw. - Hansen (2003: 152)

  599. Pertusaria atra Lynge - Poelt (1985: 94), Thomson (1997: 448)
  600. Pertusaria bryontha (Ach.) Nyl. - Hansen (1978: 11), Thomson (1997: 449)
  601. Pertusaria carneopallida (Nyl.) Anzi ex Nyl. - Thomson (1997: 451)
  602. Pertusaria chiodectonoides Bagl. ex A. Massal. - Alstrup et al. (2000: 12)
  603. Pertusaria coriacea (Th. Fr.) Th. Fr. - Thomson (1997: 452), Alstrup et al. (2000: 12), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 41), Hansen (2008: 406)
  604. Pertusaria geminipara (Th. Fr.) C. Knight ex Brodo - Thomson (1997: 455), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 41), Hansen (2008: 300)
  605. Pertusaria glomerata (Ach.) Schaer. - Poelt (1985: 94), Alstrup et al. (2000: 13)
  606. Pertusaria octomela (Norman) Erichsen - Thomson (1997: 457), Hansen (2004: 87)
  607. Pertusaria oculata (Dicks.) Th. Fr. - Hansen (1978: 11), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1997: 458), Hansen (1999: 8), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 41), Hansen (2008: 406)
  608. Pertusaria sommerfeltii (Sommerf.) Flörke - Thomson (1997: 461), Hansen (2004: 3)
  609. Pertusaria trochiscea Norman - Hansen (2004: 3)

  610. Phaeocalicium compressulum (Nyl. ex Vain.) A. F. W. Schmidt - Thomson (1997: 465)

  611. Phaeophyscia constipata (Nyl.) Moberg - Thomson (1984: 347, Moberg & Hansen (1986: 4 ), Alstrup et al. (2000: 13), Hansen (2005: 41)
  612. Phaeophyscia endococcina (Körb.) Moberg - Thomson (1984: 348, Moberg & Hansen (1986:5), Hansen (2005: 41)
  613. Phaeophyscia kairamoi (Vain.) Moberg - Moberg & Hansen (1986: 6), Alstrup et al. (2000: 13)
  614. Phaeophyscia nigricans (Flörke) Moberg - Moberg & Hansen (1986: 7)
  615. Phaeophyscia orbicularis (Neck.) Moberg - Hansen (1978: 12 as Physcia orbicularis), Moberg & Hansen (1986: 7)
  616. Phaeophyscia sciastra (Ach.) Moberg - Hansen (1978: 12), Hansen (1978b: 16 as Physcia sciastra), Hansen (1978: 57), Thomson (1984: 349), Moberg & Hansen (1986: 8), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 41), Hansen (2008: 30)

  617. Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt - Hansen (1978b: 16 as Rinodina nimbosa), Hansen (1978: 57 as Rinodina nimbosa), Thomson (1997: 467), Alstrup et al. (2000: 13), Hansen (2002: 117)
  618. Phaeorrhiza sareptana (Tomin) H. Mayrhofer & Poelt var. sareptana - Thomson (1997: 468), Alstrup et al. (2000: 13)
  619. Phaeorrhiza sareptana (Tomin) H. Mayrhofer & Poelt var. sphaerocarpa (Th. Fr.) H. Mayrhofer & Poelt - Hansen (2002: 117)

  620. Phylliscum demangeonii (Moug. & Mont in Mont.) Nyl. - Hansen (1984: 311), Hansen (1986: 183), Thomson (1997: 469), Hansen (1999: 8), Hansen (2002: 10)

  621. Physcia aipolia (Humb.) Fürnr. - Alstrup (1977: 116), Hansen (1978: 12), Hansen (1978b: 16), Thomson (1984: 353), Moberg & Hansen (1986: 8)
  622. Physcia caesia (Hoffm.) Fürnr. - Alstrup (1977: 116), Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 354), Moberg & Hansen (1986: 9), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2004: 15), Hansen (2005: 41), Hansen (2008: 30), Hansen (2008: 300), Hansen (2008: 406)
  623. Physcia dubia (Hoffm.) Lettau - Alstrup (1977: 116), Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 355), Moberg & Hansen (1986: 10), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 41), Hansen (2008: 406)
  624. Physcia magnusonii Frey - Moberg & Hansen (1986: 11)
  625. Physcia phaea (Tuck.) J. W. Thomson - Thomson (1984: 356), Moberg & Hansen (1986: 12), Hansen (2002: 10)
  626. Physcia subobscura Nyl. - Hansen (1978: 12), Thomson (1984: 357)
  627. Physcia tenella (Scop.) DC. - Alstrup (1977: 116), Moberg & Hansen (1986: 12), Hansen (2005: 42)

  628. Physconia detersa (Nyl.) Poelt - Thomson (1984: 359), Moberg & Hansen (1986: 13), Hansen (1999: 8)
  629. Physconia enteroxantha (Nyl.) Poelt - Moberg & Hansen (1986: 14)
  630. Physconia muscigena (Ach.) Poelt - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 360), Moberg & Hansen (1986: 14), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 42), Hansen (2008: 30), Hansen (2008: 300), Hansen (2008: 406)
  631. Physconia perisidiosa (Erichs.) Moberg - Moberg & Hansen (1986: 15)

  632. Pilophorus cereolus (Ach.) Th. Fr. - Alstrup (1976: 97), Thomson (1984: 362)
  633. Pilophorus dovrensis (Nyl.) Timdal, Hertel & Rambold - Hansen (2002: 10)
  634. Pilophorus robustus Th. Fr. - Alstrup (1976: 97), Thomson (1984: 363)

  635. Placidiopsis minor R. C. Harris - Alstrup (1991: 89)
  636. Placidiopsis pseudocinerea Breuss - Alstrup et al. (2000: 13), Hansen (2008: 406)

  637. Placidium lachneum (Ach.) xxx - Hansen (1982: 13 as Catapyrenium lachneum), Thomson (1984: 217 as Dermatocarpon lachneum), Alstrup et al. (2000: 8 as Catapyrenium lachneum), Hansen (2002: 110 as Catapyrenium lachneum), Hansen (2005: 42), Hansen (2006: 37 as Catapyrenium lachneum)
  638. Placidium rufescens (Ach.) xxx - Hansen (1978: 10 as Dermatocarpon rufescens), Hansen (1978b: 14 as Dermatocarpon rufescens), Hansen (1978: 57 as Dermatocarpon rufescens)
  639. Placidium squamulosum (Ach.) Breuss - Alstrup et al. (2000: 8 as Catapyrenium squamulosum)

  640. Placopsis gelida (L.) Lindsay - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1997: 472), Hansen (2002: 10)

  641. Placynthiella oligotropha (J.R. Laundon) Coppins & P. James - Daniels et al. (1985: 55 as Lecidea oligotropha), Thomson (1997: 474)
  642. Placynthiella uliginosa (Schrad.) Coppins & P. James - Thomson (1997: 475), Alstrup et al. (2000: 13)

  643. Placynthium asperellum (Ach.) Trevis. - Hansen (1978b: 16), Hansen (1978: 57), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2002: 117), Hansen (2005: 42), Hansen (2008: 406)
  644. Placynthium aspratile (Ach.) Henssen - Thomson (1984: 365)
  645. Placynthium filiforme (Garov.) M. Choisy - Alstrup et al. (2000: 13)
  646. Placynthium nigrum (Huds.) Gray - Alstrup et al. (2000: 13)
  647. Placynthium pannariellum (Nyl.) H. Magn. - Thomson (1984: 367), Alstrup et al. (2000: 13)
  648. Placynthium subradiatum (Nyl.) Arnold - Alstrup et al. (2000: 13)
  649. Placynthium tantaleum (Hepp) Hue - Hansen (2006: 2)

  650. Platismatia glauca (L.) W. L. Culb. & C. F. Culb. - Thomson (1984: 368)

  651. Pleopsidium chlorophanum (Wahlenb.) Zopf - Magnusson (1929: xx as Acarospora chlorophana), Hansen (1978: 9 as Acarospora chlorophana), Hansen (1978: 13 as Acarospora chlorophana), Hansen (1978: 57 as Acarospora chlorophana), Hansen (1983: 177 as Acarospora chlorophana), Thomson (1997: 22 as Acarospora chlorophana), Alstrup et al. (2000: 13), Hansen (2002: 117), Hansen (2005: 42), Hansen (2008: 30), Hansen (2008: 406)
  652. Pleopsidium flavum (Bellardi) Körb. - Magnusson (1935: 222 as Acarospora oxytona), Thomson (1997: 29 as Acarospora oxytona)

  653. Polyblastia bryophila Lönnr. - Thomson (1997: 477), Hansen (2002: 118)
  654. Polyblastia cupularis A. Massal. - Thomson (1997: 478), Alstrup et al. (2000: 13), Hansen (2002: 10)
  655. Polyblastia fuscoargillacea Anzi - Alstrup et al. (2000: 13)
  656. Polyblastia gothica Th. Fr. - Thomson (1997: 480)
  657. Polyblastia hyperborea Th. Fr. - Thomson (1997: 481)
  658. Polyblastia melaspora (Taylor) Zahlbr. - Thomson (1997: 480)
  659. Polyblastia peminosa (Nyl.) Zahlbr. - Alstrup et al. (2000: 13)
  660. Polyblastia schisticola Servit - Alstrup et al. (2000: 13 confirmed as accepted species in contrary to Santesson 1993)
  661. Polyblastia sendtneri Kremp. - Hansen (1986: 183), Alstrup et al. (2000: 13)
  662. Polyblastia septentrionalis Lynge - Thomson (1997: 482)
  663. Polyblastia terrestris Th. Fr. - Thomson (1997: 483), Hansen (2002: 118)
  664. Polyblastia theleodes (Sommerf.) Th. Fr. - Hansen (1978: 12), Thomson (1997: 484), Alstrup et al. (2000: 13)

  665. Polycauliona polycarpa (Hoffm.) Frödén, Arup & Søchting - Alstrup (1977: 116 as Xanthoria polycarpa)

  666. Polychidium muscicola (Sw.) Gray - Thomson (1984: 370), Hansen (2002: 10), Hansen (2005: 42), Hansen (2008: 406)

  667. Polysporina cyclocarpa (Anzi) Vezda - Kantvilas & Seppelt (2006: 109)
  668. Polysporina ferruginea (Lettau) M. Steiner ex Kantvilas - Alstrup et al. (2000: 13)
  669. Polysporina simplex (Borrer ex Hook.) Vezda - Hansen & Graff-Petersen (1986: 76), Thomson (1997: 486), Alstrup et al. (2000: 14), Hansen (2002: 10)

  670. Porocyphus coccodes Flot. ex Körb. - Hansen (2002: 10)
  671. Porocyphus dispersus Å.E. Dahl - Thomson (1997: 489)

  672. Porpidia cinereoatra (Ach.) Hertel & Knoph - Hansen (2004: 3)
  673. Porpidia contraponenda (Arnold) Knoph & Hertel - Alstrup et al. (2000: 13)
  674. Porpidia crustulata (Ach.) Hertel & Knoph - Hansen (2006: 3)
  675. Porpidia flavicunda (Ach.) Gowan - Hansen (1986: 177 as Huilia flavocaerulescens), Thomson (1997: 491), Thomson (1997: 492 Porpidia flavocoerulescens), Hansen (1999: 8), Alstrup et al. (2000: 13), Hansen (2002: 10 as Porpidia flavocoerulescens), Hansen (2002: 118 as Porpidia flavocoerulescens), Hansen (2005: 42 as Porpidia flavocaerulescens)
  676. Porpidia macrocarpa (DC.) Hertel & A.J. Schwab - Hansen (1978: 11 as Lecidea macrocarpa), Hansen (1978b: 15 as Lecidea macrocarpa), Hansen (2002: 10)
  677. Porpidia melinodes (Körb.) Gowan & Ahti - Hansen (1999: 8), Alstrup et al. (2000: 13), Hansen (2002: 10), Hansen (2008: 406)
  678. Porpidia speirea (Ach.) Kremp. - Hansen (2002: 118)
  679. Porpidia thomsonii Gowan - Hansen (2002: 10)

  680. Protoblastenia calva (Dicks.) Zahlbr. - Thomson (1997: 502), Hansen (2002: 118)
  681. Protoblastenia rupestris (Scop.) J. Steiner - Hansen (1978b: 16), Hansen (1978: 57), Thomson (1997: 503), Hansen (2008: 300), Hansen (2008: 406)
  682. Protoblastenia terricola (Anzi) Lynge - Thomson (1997: 503), Hansen (2002: 118)

  683. Protomicarea alpestris (Sommerf.) McCune - Thomson (1997: 324 as Lecidea alpestris)
  684. Protomicarea limosa (Ach.) Hafellner - Hansen (1978: 11 as Lecidea limosa), Thomson (1997: 361 as Lecidea limosa)

  685. Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman - Hansen (2005: 42), Hansen (2008: 406)

  686. Protoparmelia badia (Hoffm.) Hafellner - Hansen (1978: 57 as Lecanora badia), Hansen (1978: 10 as Lecanora badia), Hansen (1978b: 14 as Lecanora badia), Thomson (1997: 269 as Lecanora badia), Hansen (2002: 118), Hansen (2002: 10), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 406)

  687. Protoparmeliopsis muralis (Schreb.) M. Choisy - Hansen (1978: 10 as Lecanora muralis), Thomson (1997: 295 as Lecanora muralis), Hansen (1999: 8 as Lecanora muralis), Alstrup et al. (2000: 10 as Lecanora muralis)

  688. Protothelenella sphinctrinoidella (Nyl.) H. Mayrhofer & Poelt - Thomson (1997: 504)
  689. Protothelenella sphinctrinoides (Nyl.) H. Mayrhofer & Poelt - Thomson (1997: 505)

  690. Pseudephebe minuscula (Arnold) Brodo & D. Hawksw. - Hansen (1978: 9 as Alectoria minuscula), Hansen (1978b: 13 as Alectoria minuscula), Hansen (1978: 57 as Alectoria minuscula), Hansen (1983: 177), Thomson (1984: 373), Hansen & Graff-Petersen (1986: 76), Hansen (1999: 8), Hansen (2002: 10), Hansen (2002: 118), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 30), Hansen (2008: 300), Hansen (2008: 407)
  691. Pseudephebe pubescens (L.) M. Choisy - Hansen (1978: 9 as Alectoria pubescens), Hansen (1978b: 13 as Alectoria pubescens), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 374), Hansen (1999: 8), Hansen (2002: 10), Hansen (2002: 118), Hansen (2005: 42), Hansen (2008: 407)

  692. Pseudosagedia guentheri (Flot.) Hafellner & Kalb - Hansen (2006: 3)

  693. Psora decipiens (Hedw.) Hoffm. - Hansen (1978: 57 as Lecidea decipiens), Hansen (1978: 10 as Lecidea decipiens), Hansen (1978b: 15 as Lecidea decipiens), Thomson (1997: 507), Hansen (2002: 118), Hansen (2008: 300), Hansen (2008: 407)
  694. Psora globifera (Ach.) A. Massal. - Thomson (1997: 508)
  695. Psora rubiformis (Wahlenb. ex Ach.) Hook. - Hansen (1978: 11 as Lecidea rubiformis), Hansen (1978b: 15 as Lecidea rubiformis), Hansen (1978: 57 as Lecidea rubiformis), Thomson (1997: 511), Hansen (2002: 10), Hansen (2002: 118), Hansen (2005: 42), Hansen (2008: 407)
  696. Psora vallesiaca (Schaer.) Timdal - Hansen (2002: 118)

  697. Psorinia conglomerata (Ach.) Gotth. Schneid. - Thomson (1997: 513)

  698. Psoroma hypnorum (Vahl) Gray - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 375), Hansen (2002: 10), Hansen (2002: 118)
  699. Psoroma tenue Henssen var. tenue - Hansen (2008: 407)
  700. Psoroma tenue Henssen var. boreale Henssen - Hansen (2005: 42), Hansen (2008: 30)

  701. Psorotichia schaereri (A. Massal.) Arnold - Hansen (2004: 4)

  702. Psorula rufonigra (Tuck.) Gotth. Schneid. - Thomson (1997: 515), Hansen (2004: 88)

  703. Pycnothelia papillaria (Ehrh.) L. M. Dufour - Thomson (1984: 377)

  704. Pyrenopsidium iivaarense (Vain.) Forssell - Thomson (1997: 518)

  705. Pyrenopsis furfurea (Nyl.) Th. Fr. - Hansen (2002: 10)
  706. Pyrenopsis grumulifera Nyl. - Hansen (2004: 88)
  707. Pyrenopsis macrocarpa Å. E. Dahl - Thomson (1997: 517)
  708. Pyrenopsis myriospora Å. E. Dahl - Thomson (1997: 517)

  709. Racodium rupestre Pers. - Hansen (2004: 4)

  710. Ramboldia cinnabarina (Sommerf.) Kalb, Lumbsch & Elix - Thomson (1997: 336 as Lecidea cinnabarina)

  711. Rhexophiale rhexoblephara (Nyl.) Almq. - Thomson (1997: 575 as Sagiolechia rhexoblephara)

  712. Rhizocarpon alaxensis J. W. Thomson - Thomson (1997: 522)
  713. Rhizocarpon alpicola (Wahlenb.) Rabenh. - Thomson (1997: 522)
  714. Rhizocarpon anseris Lynge - Hansen (2002: 118)
  715. Rhizocarpon arctogenum Gelting - Thomson (1997: 523)
  716. Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. - Hansen (1978: 12), Thomson (1997: 524), Hansen (2002: 10)
  717. Rhizocarpon bolanderi (Tuck.) Herre - Thomson (1997: 526), Hansen (2002: 10), Hansen (2005: 42)
  718. Rhizocarpon bryonthae Poelt - Poelt (1985: 94 Protologue) Type in Graz, Austria GZU
  719. Rhizocarpon chionophilum Th. Fr. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57)
  720. Rhizocarpon cinereovirens (Müll. Arg.) Vain. - Thomson (1997: 528)
  721. Rhizocarpon cleptophilum Alstrup & E. S. Hansen - Alstrup & Hansen (2001: 46 Protologue) Type
  722. Rhizocarpon concentricum (Davies) Beltr. - Thomson (1997: 529)
  723. Rhizocarpon copelandii (Körb.) Th. Fr. - Hansen (1978: 12), Hansen (1983: 178), Thomson (1997: 531), Hansen (2002: 10), Hansen (2002: 119)
  724. Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Hansen (2002: 10), Hansen (2002: 119), Hansen (2005: 42)
  725. Rhizocarpon distinctum Th. Fr. - Hansen (1978: 12), Thomson (1997: 532)
  726. Rhizocarpon eupetraeoides (Nyl.) Blomb. & Forssell - Thomson (1997: 532), Hansen (2005: 42)
  727. Rhizocarpon eupetraeum (Nyl.) Arnold - Hansen (1978: 12), Thomson (1997: 533)
  728. Rhizocarpon expallescens Th. Fr. - Thomson (1997: 535)
  729. Rhizocarpon ferax H. Magn. - Thomson (1997: 535), Hansen (2006: 3)
  730. Rhizocarpon geminatum Körb. - Thomson (1997: 537), Hansen (1999: 8), Hansen (2002: 10), Hansen (2002: 119), Hansen (2005: 42), Hansen (2008: 407)
  731. Rhizocarpon geographicum (L.) DC. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1997: 538), Hansen (2002: 11), Hansen (2002: 119), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 300), Hansen (2008: 407)
  732. Rhizocarpon grande (Flörke ex Flot.) Arnold - Hansen (1978: 12), Thomson (1997: 539), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 119), Hansen (2005: 42)
  733. Rhizocarpon groenlandicum Lynge - Lynge (1932: 23 Protologue) Type
  734. Rhizocarpon hochstetteri (Körb.) Vain. - Hansen (1978: 12), Thomson (1997: 540)
  735. Rhizocarpon inarense (Vain.) Vain. - Thomson (1997: 541), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 119), Hansen (2004: 15), Hansen (2005: 42)
  736. Rhizocarpon intermediellum Räsänen - Thomson (1997: 542), Hansen (2002: 119)
  737. Rhizocarpon jemtlandicum Malme - Hansen (1978: 12), Thomson (1997: 542), Hansen (2002: 11), Hansen (2005: 42), Hansen (2008: 31), Hansen (2008: 407)
  738. Rhizocarpon macrosporum Räsänen - Thomson (1997: 543)
  739. Rhizocarpon microsporum Lynge - Thomson (1997: 545)
  740. Rhizocarpon narssaqense Alstrup - Alstrup (xx: xx Protologue) Type
  741. Rhizocarpon norvegicum Räsänen - Thomson (1997: 544), Hansen (2002: 11)
  742. Rhizocarpon obscuratum (Ach.) A. Massal. - Lynge (1932: 17), Hansen (1978: 12), Thomson (1997: 545)
  743. Rhizocarpon petraeum (Wulfen) A. Massal. - Hansen (2004: 88)
  744. Rhizocarpon polycarpum (Hepp) Th. Fr. - Hansen (1978: 12), Thomson (1997: 546)
  745. Rhizocarpon praebadium (Nyl.) Zahlbr. - Thomson (1997: 546), Hansen (1999: 8), Hansen (2002: 119), Hansen (2005: 42)
  746. Rhizocarpon pusillum Runemark - Hansen (1984: 311), Thomson (1997: 547), Hansen (2002: 119), Hansen (2005: 42), Hansen (2008: 407)
  747. Rhizocarpon riparium Räsänen - Thomson (1997: 548)
  748. Rhizocarpon rittokense (Hellb.) Th. Fr. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1997: 549), Hansen (2002: 11)
  749. Rhizocarpon subareolatum E. S. Hansen - Hansen (2007: 358 Protologue) Type in C
  750. Rhizocarpon subtile Runemark - Thomson (1997: 550)
  751. Rhizocarpon superficiale (Schaer.) Malme - Hansen (1978: 12 as Rhizocarpon crystalligenum), Hansen (1983: 178), Thomson (1997: 551), Hansen (2002: 11), Hansen (2002: 119), Hansen (2005: 42), Hansen (2008: 407)

  752. Rhizoplaca chrysoleuca (Sm.) Zopf - Hansen (1978: 10 as Lecanora rubina), Thomson (1997: 554)
  753. Rhizoplaca melanophthalma (Ramond) Leuck. & Poelt or (DC.) Leuckert - Hansen (1978: 10 as Lecanora melanophthalma), Hansen (1978b: 14 as Lecanora melanophthalma), Hansen (1978: 57 as Lecanora melanophthalma), Hansen (1983: 178), Thomson (1997: 555), Hansen (2002: 11), Hansen (2002: 119), Hansen (2005: 42), Hansen (2008: 31), Hansen (2008: 407)

  754. Rinodina archaea (Ach.) Arnold - Hansen (2002: 119), Hansen (2008: 407)
  755. Rinodina arnoldii Mayrh. & Poelt - Thomson (1997: 559)
  756. Rinodina balanina (Wahlenb.) Vain. - Thomson (1997: 560)
  757. Rinodina bischoffii (Hepp.) A. Massal. - Hansen & Graff-Petersen (1986: 76), Thomson (1997: 561)
  758. Rinodina cacuminum (Th. Fr.) Malme - Hansen (1984: 311), Thomson (1997: 561), Hansen (2002: 120)
  759. Rinodina calcigena (Th. Fr.) Lynge - Thomson (1997: 562)
  760. Rinodina castanomela (Nyl.) Arnold - Hansen (1984: 312)
  761. Rinodina conradii Körb. - Daniels et al. (1985: 56), Thomson (1997: 563)
  762. Rinodina diskoensis Sheard - Thomson (1997: 563)
  763. Rinodina endophragmia J.M. Lamb - Thomson (1997: 564)
  764. Rinodina granulans Vain. - Hansen (2004: 4)
  765. Rinodina lecideoides (Nyl.) Vain. - Alstrup (1977: 116
  766. Rinodina lyngei Sheard - Thomson (1997: 565)
  767. Rinodina milvina (Wahlenb. in Ach.) Th. Fr. - Hansen (1978: 12), Thomson (1997: 565)
  768. Rinodina mniaraea (Ach.) Körb. - Thomson (1997: 567), Hansen (2002: 120), Hansen (2008: 300), Hansen (2008: 408)
  769. Rinodina mucronatula H. Magn. - Hansen (1986: 184)
  770. Rinodina notabilis (Lynge) Sheard - Thomson (1997: 134 as Buellia notabilis)
  771. Rinodina ochracea Lynge - Lynge (1937: 187 Protologue), Thomson (1997: 569) Type
  772. Rinodina olivaceobrunnea C. W. Dodge & G. E. Baker - Magnusson (1947: 309 as Rinodina arctica Protologue), Hansen (2008: 408) Type in Uppsala, Finland UPS
  773. Rinodina parasitica H. Mayrhofer & Poelt - Hansen (2003: 152)
  774. Rinodina pyrina (Ach.) Arnold. - Alstrup (1977: 116)
  775. Rinodina rinodinoides (Anzi) H. Mayrhofer & Scheid. - Hansen (2003: 152)
  776. Rinodina roscida (Sommerf.) Arnold - Thomson (1997: 569), Hansen (2002: 120), Hansen (2008: 408)
  777. Rinodina soredicola Degel. - Hansen (1986: 184)
  778. Rinodina subobscura H. Magn. - Alstrup (1977: 116)
  779. Rinodina turfacea (Wahlenb.) Körb. - Hansen (1978b: 16), Hansen (1978: 57), Alstrup (1977: 116), Hansen (1978: 12), Hansen (1983: 178), Poelt (1985: 94), Thomson (1997: 571), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 31), Hansen (2008: 408)

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

  781. Rufoplaca arenaria (Pers.) Müll. Arg. - Hansen, Poelt & Søchting (1987: 19 as Caloplaca arenaria), Hansen (2002: 7 as Caloplaca arenaria)

  782. Rusavskia elegans (Link) S.Y. Kondr. & Kärnefelt var. elegans - Hansen (1978: 12 as Xanthoria elegans var. elegans), Hansen (1978b: 16 as Xanthoria elegans var. elegans), Hansen (1978: 57 as Xanthoria elegans var. elegans), Hansen (1983: 178 as Xanthoria elegans var. elegans as Xanthoria elegans var. elegans), Thomson (1984: 484 as Xanthoria elegans var. elegans), Hansen (1999: 8 as Xanthoria elegans var. elegans), Hansen (2002: 12 as Xanthoria elegans var. elegans), Hansen (2002: 122 as Xanthoria elegans var. elegans), Hansen (2004: 15), Hansen (2005: 43), Hansen (2008: 301), Hansen (2008: 409)

  783. Sagedia mastrucata (Wahlenb.) A. Nordin, Savic & Tibell - Alstrup et al. (2000: 5 as Aspicilia mastrucata), Hansen (2002: 7 as Aspicilia mastrucata), Hansen (2002: 108 as Aspicilia mastrucata), Hansen (2005: 39 as Aspicilia mastrucata)

  784. Sarcogyne clavus (DC. in Lam. & DC.) Kremp. - Thomson (1997: 577)
  785. Sarcogyne groenlandica H. Magn. - Thomson (1997: 577)
  786. Sarcogyne lapponica (Ach. ex Schaer.) K. Knudsen & Kocourk. - Magnusson (1935: 222 as Acarospora lapponica), Alstrup et al. (2000: 13 on Lecidea plana)
  787. Sarcogyne regularis Körb. - Thomson (1997: 579), Hansen (2008: 31)
  788. Sarcogyne rugosa Lynge - Lynge (1937: xx Protologue) Type

  789. Schadonia alpina Körb. - Thomson (1997: 580)
  790. Schadonia fecunda (Th. Fr.) Vezda & Poelt - Thomson (1997: 581)

  791. Schaereria cinereorufa (Schaer.) Th. Fr. - Thomson (1997: 582), Hansen (2004: 88)
  792. Schaereria endocyanea (Stirt.) Hertel & Gotth. Schneid. - Thomson (1997: 583)
  793. Schaereria fuscocinerea (Nyl.) Clauzade & Cl. Roux - Thomson (1997: 584 as Schaereria tenebrosa), Hansen (2004: 4)

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

  795. Scytinium lichenoides (L.) Zahlbr. - Hansen (1978: 11 as Leptogium lichenoides), Thomson (1984: 257 as Leptogium lichenoides), Alstrup et al. (2000: 11 as Leptogium lichenoides), Hansen (2002: 114 as Leptogium lichenoides), Hansen (2008: 298 as Leptogium lichenoides), Hansen (2008: 29 as Leptogium lichenoides)

  796. Servitia inconspicuum (Lynge) M. S. Christ. & Alstrup - Lynge (1940: 17 as Dermatocarpon inconspicuum Protologue) Type in Oslo, Norway O

  797. Silobia scabrida (Hedl. ex. H. Magn.) M. Westb. & Wedin - Magnusson (1935: 225 as Acarospora scabrida), Thomson (1997: 32 as Acarospora scabrida), Alstrup et al. (2000: 5 as Acarospora scabrida), Alstrup et al. (2009: 5 as Acarospora scabrida)
  798. Silobia smaragdula (Wahlenb. in Ach.) M. Westb. & Wedin - Magnusson (1935: 223 as Acarospora fusca), Magnusson (1935: 223 as Acarospora smaragdula), Magnusson (1935: 224 as Acarospora scyphulifera), Hansen (1978: 9 as Acarospora smaragdula), Hansen (1978b: 13 as Acarospora smaragdula), Hansen (1978: 57 as Acarospora smaragdula), Thomson (1997: 34 as Acarospora smaragdula), Alstrup et al. (2000: 5 as Acarospora smaragdula), Hansen (2002: 6 as Acarospora smaragdula), Hansen (2002: 107 as Acarospora smaragdula), Hansen (2008: 400 as Acarospora smaragdula), Alstrup et al. (2009: 5 as Acarospora fusca), Alstrup et al. (2009: 5 as Acarospora smaragdula)

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

  800. Solorina bispora Nyl. - Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 386), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 31), Hansen (2008: 408)
  801. Solorina crocea (L.) Ach. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 387), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 300), Hansen (2008: 408)
  802. Solorina octospora (Arn.) Arn. - Thomson (1984: 389), Hansen (2008: 408)
  803. Solorina saccata (L.) Ach. - Thomson (1984: 390), Hansen (2002: 120), Hansen (2008: 300), Hansen (2008: 31)
  804. Solorina spongiosa (Sm.) Anzi - Thomson (1984: 391), Hansen (2005: 42), Hansen (2008: 31)

  805. Sphaerophorus fragilis (L.) Pers. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1982: 12), Hansen (1983: 178), Thomson (1984: 393), Hansen (2002: 11), Hansen (2005: 42), Hansen (2008: 301), Hansen (2008: 408)
  806. Sphaerophorus globosus (Huds.) Vain. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1982: 12), Hansen (1983: 178), Thomson (1984: 394), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 408)

  807. Spilonema revertens Nyl. - Hansen (2002: 11)

  808. Sporastatia polyspora (Nyl.) Grummann - Thomson (1997: 588), Hansen (2005: 42)
  809. Sporastatia testudinea (Ach.) A. Massal. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1983: 178), Thomson (1997: 589), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 120), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 408)

  810. Sporodictyon cruentum (Körb.) Körb. - Thomson (1997: 477 as Polyblastia cruenta)

  811. Squamarina lentigera (Weber) Poelt - Hansen (1983: 492)

  812. Staurothele arctica Lynge - Lynge (1937: 17 Protologue), Thomson (1997: 591) Type in Oslo, Norway O
  813. Staurothele areolata (Ach.) Lettau - Thomson (1997: 592), Hansen (2002: 11)
  814. Staurothele drummondii (Tuck.) Tuck. - Thomson (1997: 595)
  815. Staurothele fissa (Taylor) Zwackh - Thomson (1997: 596), Hansen (2002: 120), Hansen (2003: 152)
  816. Staurothele fuscocuprea (Nyl.) Zschacke - Hansen (1982: 13)
  817. Staurothele perradiata Lynge - Hansen (1982: 13)

  818. Stereocaulon alpinum Laurer - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 400), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 31), Hansen (2008: 301), Hansen (2008: 408)
  819. Stereocaulon arcticum Lynge - Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 402), Hansen (2005: 42)
  820. Stereocaulon arenarium (Savicz) I. M. Lamb - Hansen (1978: 12), Hansen (1978b: 16), Thomson (1984: 403), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42)
  821. Stereocaulon botryosum Ach. em. Frey - Thomson (1984: 405), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42)
  822. Stereocaulon condensatum Hoff. - Thomson (1984: 407)
  823. Stereocaulon cumulatum (Sommerf.) Timdal - Timdal (2002: 11)
  824. Stereocaulon glareosum (Sav.) H. Magn. - Hansen (1978: 12), Thomson (1984: 412), Hansen (2002: 11), Hansen (2002: 120), Hansen (2005: 42), Hansen (2008: 301), Hansen (2008: 409)
  825. Stereocaulon grande (Magn.) H. Magn. - Thomson (1984: 413)
  826. Stereocaulon groenlandicum (Dahl) - Thomson (1984: 414)
  827. Stereocaulon incrustatum Flörke - Hansen (2002: 11)
  828. Stereocaulon paschale (L.) Hoffm. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 418), Hansen (2002: 11)
  829. Stereocaulon rivulorum H. Magn. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 421)
  830. Stereocaulon spathuliferum Vain. - Thomson (1984: 425)
  831. Stereocaulon tomentosum E. Fries - Thomson (1984: 428)
  832. Stereocaulon uliginosum J. M. Lamb - Thomson (1984: 429)
  833. Stereocaulon vesuvianum Pers. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 430), Hansen (2002: 11)

  834. Tephromela aglaea (Sommerf.) Hertel & Rambold - Thomson (1997: 600)
  835. Tephromela atra (Huds.) Hafellner - Thomson (1997: 633)

  836. Tetramelas geophilus Norman - Hansen (1983: 177 as Buellia geophila), Daniels et al. (1985: 50 as Buellia geophila), Thomson (1997: 133 as Buellia geophila), Hansen (2002: 109 as Buellia geophila)
  837. Tetramelas insignis (Nägeli ex Hepp) Kalb - Alstrup et al. (2000: 6 as Buellia insignis), Hansen (2006: 37 as Buellia insignis)
  838. Tetramelas papillatus (Sommerf.) Kalb - Thomson (1997: 136 as Buellia papillata), Alstrup et al. (2000: 6 as Buellia papillata), Hansen (2002: 7 as Buellia papillata), Hansen (2002: 109 as Buellia papillata), Hansen (2005: 40 as Buellia papillata), Hansen (2008: 401 as Buellia papillata)
  839. Tetramelas pulverulentus (Anzi) A. Nordin & Tibell - Alstrup et al. (2000: 6 as Buellia pulverulenta on Physconia muscigena, Physcia dubia), Hansen (2002: 109 as Buellia pulverulenta)
  840. Tetramelas terricolus A. Nordin - Alstrup et al. (2000: 6 as Buellia terricola)

  841. Thallinocarpon pulvinatum Å. E. Dahl - Dahl (1950: 42 Protologue) Type

  842. Thalloidima arcticum (Timdal) Timdal - Hansen (2002: 120 as Toninia arctica), Hansen (2008: 301 as Toninia arctica)

  843. Thamnolia subuliformis (Ehrh.) W. L. Culb. - Hansen (1983: 178), Thomson (1984: 438), Hansen (1999: 8 as Thamnolia vermicularis var. subuliformis), Hansen (2005: 42 as Thamnolia vermicularis var. subuliformis)
  844. Thamnolia vermicularis (Sw.) Schaer. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 438), Hansen (2002: 11), Hansen (2002: 120), Hansen (2008: 31), Hansen (2008: 409)

  845. Thelidium methorium (Nyl.) Hellb. - Thomson (1997: 605 as Thelidium aeneovinosum)
  846. Thelidium papulare (Fr.) Arnold - Hansen (1982: 13. Thomson (1997: 607)
  847. Thelidium pyrenophorum (Ach.) Körb. - Thomson (1997: 607)
  848. Thelidium velutinum (Bernh.) Körb. - Thomson (1997: 608)

  849. Thelignya groenlandica (Å. E. Dahl) Henssen - Dahl (1950: xx as Porocyphus groenlandicus Protologue), Thomson (1997: 489 as Porocyphus groenlandicus) Type
  850. Thelignya lignyota (Wahlenb.) P. M. Jørg. & Henssen - Hansen (2004: 4)

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

  852. Thrombium epigaeum (Pers.) Wallr. - Thomson (1997: 610)

  853. Toninia athallina (Hepp) Timdal - Thomson (1997: 195 as Catillaria athallina)
  854. Toninia caeruleonigricans (Lightf.) Th. Fr. - Hansen (1978b: 16), Hansen (1978: 57), Thomson (1997: 614)
  855. Toninia candida (W. A. Weber) Th. Fr. - Thomson (1997: 615)
  856. Toninia cumulata (Sommerf.) Th. Fr. - Thomson (1997: 616)
  857. Toninia fusispora (Hepp) Th. Fr. - Thomson (1997: 616)
  858. Toninia lobulata (Sommerf.) Lynge - Thomson (1997: 617)
  859. Toninia nordlandica Th. Fr. - Hansen (2004: 89)
  860. Toninia rosulata (Anzi) H. Olivier - Hansen (2003: 153)
  861. Toninia sedifolia (Scop.) Timdal - Hansen (2002: 121)
  862. Toninia squalescens (Nyl.) Th. Fr. - Thomson (1997: 618)
  863. Toninia squalida (Schleicher ex Ach.) A. Massal. - Thomson (1997: 619)
  864. Toninia tristis (Th. Fr.) Th. Fr. - Thomson (1997: 620)
  865. Toninia tristis (Th. Fr.) Th. Fr. subsp. scholanderi (Lynge) Timdal - Hansen (2002: 121)
  866. Toninia verrucarioides (Nyl.) Timdal - Hansen (2004: 88)

  867. Toniniopsis illudens (Nyl.) Kistenich, Timdal, Bendiksby & S. Ekman - Thomson (1997: 104 Bacidia illudens)

  868. Trapeliopsis granulosa (Hoffm.) Lumbsch - Thomson (1997: 624), Hansen (2002: 11)

  869. Tremolecia atrata (Ach.) Hertel - Hansen (1978: 10 as Lecidea dicksonii), Hansen (1978b: 15 as Lecidea dicksonii), Hansen (1978: 57 as Lecidea dicksonii), Thomson (1997: 627), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 121), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 409)

  870. Trimmatothelopsis scabrida (Hedl. ex H. Magn.) Cl. Roux & Nav.-Ros. - Magnusson (1935: 225 as Acarospora scabrida)

  871. Tuckermannopsis chlorophylla (Willd.) Hale - Alstrup (1982: 69 as Cetraria chlorophylla), Thomson (1984: 73 as Cetraria chlorophylla)

  872. Umbilicaria aprina Nyl. - Hansen (2003: 153)
  873. Umbilicaria arctica (Ach.) Nyl. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 444), Hansen (2002: 11), Hansen (2002: 121), Hansen (2004: 15), Hansen (2005: 42)
  874. Umbilicaria cinereorufescens ( Schaer.) Frey - Hansen (1978: 12), Thomson (1984: 446)
  875. Umbilicaria cylindrica (L.) Del. in Duby - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 448), Hansen (1999: 8)
  876. Umbilicaria decussata (Vill.) Zahlbr. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1983: 177 as Omphalodiscus decussatus), Thomson (1984: 288 as Omphalodiscus decussatus), Hansen (1999: 8), Hansen (2002: 121), Hansen (2005: 42), Hansen (2008: 32), Hansen (2008: 409)
  877. Umbilicaria deusta (L.) Baumg. - Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 449), Hansen (2002: 11), Hansen (2008: 301)
  878. Umbilicaria havaasii Llano - Thomson (1984: 451)
  879. Umbilicaria hirsuta (Sw.) Ach. - Hansen (1978: 12), Hansen (1978b: 16), Thomson (1984: 452)
  880. Umbilicaria hyperborea (Ach.) Hoffm. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 453), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 121), Hansen (2004: 15), Hansen (2005: 42), Hansen (2008: 409)
  881. Umbilicaria krascheninnikovii (Savicz) Zahlbr. - Thomson (1984: 289 as Omphalodiscus krascheninnikovii), Hansen (2008: 32)
  882. Umbilicaria leiocarpa DC. - Thomson (1984: 29 as Agyrophora leiocarpa), Hansen (2002: 121), Hansen (2004: 4)
  883. Umbilicaria lyngei Schol. - Hansen (1978b: 16), Hansen (1978: 57), Hanssen (1980: 91 as Agyrophora lyngei), Hansen (1983: 177 as Agyrophora lyngei), Thomson (1984: 28 as Agyrophora lyngei), Hansen (1999: 8), Hansen (2002: 121), Hansen (2005: 42), Hansen (2008: 32), Hansen (2008: 409)
  884. Umbilicaria mammulata (Ach.) Tuck. - Thomson (1984: 454)
  885. Umbilicaria nylanderiana (Zahlbr.) H. Magn. - Hansen (2002: 121), Hansen (2004: 4)
  886. Umbilicaria polyphylla (L.) Baumg. - Hansen (1978: 12), Thomson (1984: 457)
  887. Umbilicaria proboscidea (L.) Schrad. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 458), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 121), Hansen (2005: 42)
  888. Umbilicaria rigida (Du Rietz) Frey - Thomson (1984: 33 as Agyrophora rigida)
  889. Umbilicaria scholanderi (Llano) Krog - Thomson (1984: 33 as Agyrophora scholanderi)
  890. Umbilicaria torrefacta (Lightf.) Schrad. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 178), Thomson (1984: 459), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 121), Hansen (2004: 15), Hansen (2005: 42)
  891. Umbilicaria vellea (L.) Ach. - Hansen (1978: 12), Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 460), Hansen (1999: 8), Hansen (2002: 121), Hansen (2005: 43), Hansen (2008: 301), Hansen (2008: 409)
  892. Umbilicaria virginis Schaer. - Hansen (1978b: 16), Hansen (1978: 57), Hansen (1983: 177), Thomson (1984: 290 as Omphalodiscus virginis), Hansen (2002: 11), Hansen (2002: 121), Hansen (2004: 15), Hansen (2005: 43), Hansen (2008: 32), Hansen (2008: 301), Hansen (2008: 409)

  893. Usnea sphacelata R. Br. - Alstrup et al. (2000: 12 as Neuropogon sphacelatus), Hansen (2005: 43), Hansen (2008: 32), Hansen (2008: 301), Hansen (2008: 409)
  894. Usnea sulphurea Th. Fr. - Thomson (1984: 286 as Neuropogon sulphureus)

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

  896. Verrucaria acrotella Ach. - Thomson (1997: 631), Hansen (2006: 4)
  897. Verrucaria aethiobola Wahlenb. - Hansen (1982: 13), Thomson (1997: 632)
  898. Verrucaria arctica Lynge - Thomson (1997: 633)
  899. Verrucaria cateleptoides (Nyl.) Nyl. - Thomson (1997: 634)
  900. Verrucaria ceuthocarpa Wahlenb. - Thomson (1997: 635), Hansen (1999: 8), Hansen (2002: 11), Hansen (2002: 121)
  901. Verrucaria degelii R. Sant. - Hansen (1986: 184)
  902. Verrucaria deversa Vain. - Thomson (1997: 637)
  903. Verrucaria erichsenii Zsch. - Hansen (1983: 493), Thomson (1997: 637)
  904. Verrucaria margacea (Wahlenb. in Ach.) Wahlenb. - Thomson (1997: 639)
  905. Verrucaria maura Wahlenb. - Thomson (1997: 640), Hansen (2002: 11)
  906. Verrucaria mucosa Wahlenb. - Thomson (1997: 641), Hansen (2002: 11)
  907. Verrucaria nigrescens Pers. - Hansen (2002: 11)
  908. Verrucaria praetermissa (Trevis.) Anzi - Hansen (1986: 184)
  909. Verrucaria rupestris Schrad. - Thomson (1997: 643)
  910. Verrucaria striatula Wahlenb. - Thomson (1997: 645)
  911. Verrucaria thalassina (Zahlbr.) Zahlbr. - Hansen (1982: 13), Thomson (1997: 645)

  912. Vestergrenopsis elaeina (Wahlenb.) Gyeln. - Hansen (2002: 12)
  913. Vestergrenopsis isidiata (Degel.) Dahl - Hansen (1978b: 16), Hansen (1978: 57), Thomson (1984: 473), Hansen (1999: 8), Hansen (2002: 12), Hansen (2002: 121)

  914. Vulpicida pinastri (Scop.) J.-E. Mattsson & M. J. Lai - Hansen (1978: 9 as Cetraria pinastri), Alstrup (1982: 69 as Cetraria pinastri), Thomson (1984: 93 as Cetraria pinastri)
  915. Vulpicida tilesii (Ach.) J.-E. Mattsson & M.-J. Lai - Hansen (1981: 97 First record), Hansen (2008: 409)
  916. Vulpicida tubulosus (Schaer.) J.-E. Mattsson & M. J. Lai - Hansen (1984: 301 as Cetraria tilesii), Thomson (1984: 89 as Cetraria tilesii)

  917. Xanthocarpia lactea (A. Massal.) A. Massal. - Hansen, Poelt & Søchting (1987: 34 as Caloplaca lactea)

  918. Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Hansen (1978: 11)
  919. Xanthoparmelia pulla (Ach.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch - Hansen (1978: 11 as Parmelia pulla)

  920. Xanthoria borealis R. Sant. & Poelt - Poelt & Petutschnig (1992: 18), Hansen (2002: 12), Hansen (2002: 122), Hansen (2005: 43)
  921. Xanthoria candelaria (L.) Arnold - Alstrup (1977: 116 as Xanthoria candelaria), Hansen (1978: 12 as Xanthoria candelaria), Hansen (1978b: 16 as Xanthoria candelaria), Hansen (1978: 57 as Xanthoria candelaria), Hansen (1983: 178 as Xanthoria candelaria), Thomson (1984: 483 as Xanthoria candelaria), Hansen (2008: 409 as Xanthoria candelaria)
  922. Xanthoria elegans (Link.) Th. Fr. var. splendens (Darb.) Christ. ex Poelt - Hansen (2002: 122)
  923. Xanthoria fulva (Hoffm.) Poelt & Petutschnig - Hansen (2003: 153 as Xanthoria fulva)
  924. Xanthoria parietina (L.) Th. Fr. - Alstrup (1977: 116)
  925. Xanthoria sorediata (Vain.) Poelt - Hansen (1978: 12 as Xanthoria sorediata), Hansen (1978b: 16 as Xanthoria sorediata), Hansen (1978: 57 as Xanthoria sorediata), Thomson (1984: 487 as Xanthoria sorediata), Hansen (2002: 12 as Xanthoria sorediata), Hansen (2002: 122 as Xanthoria sorediata), Hansen (2005: 43 as Xanthoria sorediata)

  926. Xylographa abietina (Pers.) Zahlbr. - Thomson (1997: 646)
  927. Xylographa parallela (Ach.) Fr. - Hansen (2006: 4)