Checklist of lichens of the District of Columbia (USA)
Version 31 December 2018

 

  1. Acrocordia gemmata (Ach.) A. Massal. - Lehnert (1886: 127 as Pyrenula gemmata)

  2. Amandinea milliaria (Tuck.) P. May & Sheard - Lehnert (1886: 122 as Rinodina milliaria), Lehnert (1886: 124 as Biatora milliaria)
  3. Amandinea punctata (Hoffm.) Coppins & Scheid.- Lehnert (1886: 125 as Buellia myriocarpa)

  4. Anaptychia palmulata (Michx.) Vain. - Lehnert (1886: 120 as Physcia aquila var. detonsa)

  5. Anisomeridium subprostans (Nyl.) R. C. Harris - Lehnert (1886: 127 as Pyrenula subprostans)

  6. Anzia colpodes (Ach.) Stizenb. - Lehnert (1886: 119 as Parmelia colpodes)

  7. Arthonia cinnabarina (DC.) Wallr. - Lehnert (1886: 126)
  8. Arthonia dispersa (Schrad.) Nyl.- Lehnert (1886: 126 as Arthonia epipasta)
  9. Arthonia patellulata Nyl. - Lehnert (1886: 126)
  10. Arthonia polymorpha Ach. - Lehnert (1886: 126)
  11. Arthonia punctiformis Ach. - Lehnert (1886: 126)
  12. Arthonia radiata (Pers.) Ach. - Lehnert (1886: 126 as Arthonia astroidea)
  13. Arthonia rubella (Fée) Nyl. - Lehnert (1886: 126)
  14. Arthonia spadicea Leight. - Lehnert (1886: 124 as Biatora rubella var. spadicea), Lehnert (1886: 126 as Arthonia lurida)
  15. Arthonia susa R. C. Harris & Lendemer - Lehnert (1886: 126 erroneously as Arthonia taediosa)

  16. Arthopyrenia analepta (Ach.) A. Massal. - Lehnert (1886: 127 as Pyrenula fallax)
  17. Arthopyrenia punctiformis (Stizenb.) R. C. Harris - Lehnert (1886: 127 as Pyrenula punctiformis)

  18. Arthothelium anastomosans (Ach.) Arnold - Lehnert (1886: 126 as Arthonia anastomosans)
  19. Arthothelium spectabile A. Massal. - Lehnert (1886: 126 as Arthonia spectabilis)

  20. Aspicilia caesiopruinosa (H. Magn.) J. W. Thomson - Lehnert (1886: 125 as Buellia parsema var. caesio-pruinosa)
  21. Aspicilia cinerea (L.) Körb. - Lehnert (1886: 122 as Lecanora cinerea)
  22. Aspicilia fuscata (Schrad.) Arnold - Lehnert (1886: 122 as Lecanora fuscata)
  23. Aspicilia laevata (Ach.) Arnold - Lehnert (1886: 122 as Lecanora cinerea var. laevata)

  24. Bacidia arceutina (Ach.) Arnold - Lehnert (1886: 124 as Biatora rubella var. arceutina)
  25. Bacidia rubella (Hoffm.) A. Massal. - Lehnert (1886: 124)
  26. Bacidia schweinitzii (Fr. ex E. Michener) A. Schneid. - Lehnert (1886: 124 as Biatora rubella var. Schweinitzii)
  27. Bacidia suffusa (Fr.) A. Schneid. - Lehnert (1886: 124 as Biatora rubella var. suffusa)

  28. Bacidina inundata (Fr.) Vedza - Lehnert (1886: 124 as Biatora rubella var. inundata)

  29. Biatora vernalis (L.) Fr. - Lehnert (1886: 124)

  30. Bilimbia sabuletorum (Schreb.) xxx - Lehnert (1886: 124 as Biatora hypnophila)

  31. Brigantiaea leucoxantha (Spreng.) R. Sant. & Hafellner - Lehnert (1886: 124 as Heterothecium leucoxanthum)

  32. Buellia parasema var. triphragmia Nyl. - Lehnert (1886: 125*)
  33. Buellia schaereri De Not - Lehnert (1886: 125)

  34. Calicium leucopodum Nyl. - Lehnert (1886: 126*)
  35. Calicium salicinum Pers. - Lehnert (1886: 126 as Calicium trachelinum)
  36. Calicium turbinatum Pers. - Lehnert (1886: 126*)

  37. Caloplaca atroalba (Tuck.) Zahlbr. - Lehnert (1886: 125 as Buellia atro-alba)
  38. Caloplaca camptidia (Tuck.) Zahlbr. - Lehnert (1886: 121 as Placodium camptidium)
  39. Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr. - Lehnert (1886: 121 as Placodium cerinum)
  40. Caloplaca cinnabarina (Ach.) Zahlbr. - Lehnert (1886: 121 as Placodium cinnabarrinum)
  41. Caloplaca discolor (Willey) Fink - Lehnert (1886: 121 as Placodium ferrugineum var. discolor)
  42. Caloplaca ferruginea (Huds.) Th. Fr. - Lehnert (1886: 121 as Placodium ferrugineum)
  43. Caloplaca flavorubescens (Huds.) J. R. Laundon - Lehnert (1886: 121 as Placodium aurantiacum)
  44. Caloplaca holocarpa (Hoffm. ex Ach.) M.Wade - Lehnert (1886: 121 as Placodium cerinum var. pyracea)
  45. Caloplaca microphyllina (Tuck.) Hasse - Lehnert (1886: 121 as Placodium microphyllinum)
  46. Caloplaca pollinii (A. Massal.) Jatta - Lehnert (1886: 121 as Placodium ferrugineum var. pollinii)
  47. Caloplaca sideritis (Tuck.) Zahlbr. - Lehnert (1886: 121 as Placodium cerinum var. sideritis)

  48. Candelaria concolor (Dicks.) Stein - Lehnert (1886: 119 as Theloschistes concolor)
  49. Candelaria concolor var. effusa (Tuck.) G. Merr. & Burnham - Lehnert (1886: 119 as Theloschistes concolor var. effuse)

  50. Candelariella aurella (Hoffm.) Zahlbr. - Lehnert (1886: 121 as Placodium vittelinum var. aurella)
  51. Candelariella vitellina (Hoffm.) Müll. Arg. - Lehnert (1886: 121 as Placodium vittelinum)

  52. Chaenotheca brunneolum (Ach.) Müll. Arg. - Lehnert (1886: 126 as Calicium brunneolum)
  53. Chaenotheca trichialis (Ach.) Th. Fr. - Lehnert (1886: 126 as Calicium trichiale)

  54. Chrismofulvea dialyta (Nyl.) Marbach - Lehnert (1886: 125 as Buellia dialyta)

  55. Chrysothrix caesia (Flot.) Ertz & Tehler - Lehnert (1886: 126 as Arthonia lecideella)

  56. Cladonia apodocarpa Robbins - Robbins & Blake (1931: 156), Blake (1957: 60)
  57. Cladonia arbuscula (Wallr.) Flot. - Lehnert (1886: 123 as Cladonia rangiferina var. sylvatica), Robbins & Blake (1931: 153 as Cladonia sylvatica), Blake (1957: 58 as Cladonia sylvatica)
  58. Cladonia atlantica Evans - Blake (1957: 59)
  59. Cladonia brevis (Sandst.) Sandst. - Robbins & Blake (1931: 157 as Cladonia alpicola var. karelica), Blake (1957: 60)
  60. Cladonia caespiticia (Pers.) Flörke - Lehnert (1886: 123), Robbins & Blake (1931: 156), Blake (1957: 60)
  61. Cladonia cariosa (Ach.) Spreng. - Lehnert (1886: 123)
  62. Cladonia caroliniana Tuck. - Robbins & Blake (1931: 155 as Cladonia boryi), Blake (1957: 59)
  63. Cladonia chlorophaea (Flörke ex Sommerf.) Spreng. - Robbins & Blake (1931: 157), Blake (1957: 60)
  64. Cladonia ciliata var. tenuis (Flörke) Ahti - Robbins & Blake (1931: 153 as Cladonia tenuis)
  65. Cladonia coniocraea (Flörke ex Sommerf.) Spreng. - Robbins & Blake (1931: 157), Blake (1957: 60)
  66. Cladonia cristatella Tuck. - Lehnert (1886: 124), Robbins & Blake (1931: 154), Blake (1957: 59)
  67. Cladonia cryptochlorophaea Asah. - Blake (1957: 60)
  68. Cladonia decorticata (Flörke) Spreng. - Lehnert (1886: 123)
  69. Cladonia didyma (Fée) Vain. - Blake (1957: 58)
  70. Cladonia didyma var. vulcanica (Zoll. & Moritz) Vain. - Robbins & Blake (1931: 154 as Cladonia vulcanica), Blake (1957: 58 as C. vulcanica f. minor)
  71. Cladonia fimbriata (L.) Fr. - Lehnert (1886: 123)
  72. Cladonia fimbriata var. tubaeformis Fr. - Lehnert (1886: 123*)
  73. Cladonia fimbriata var. radiata Fr. - Lehnert (1886: 123*)
  74. Cladonia floerkeana (Fr.) Flörke - Lehnert (1886: 124 as Cladonia Floerkiana), Robbins & Blake (1931: 154), Blake (1957: 59)
  75. Cladonia floridana Vain. - Robbins & Blake (1931: 155), Blake (1931: 59)
  76. Cladonia furcata (Huds.) Schrad. - Lehnert (1886: 123) (1886: 123 as Cladonia furcata var. racemosa), Robbins & Blake (1931: 155), Blake (1957: 59)
  77. Cladonia gracilis (L.) Willd. subsp. gracilis - Lehnert (1886: 123)
  78. Cladonia gracilis var. hybrida Schaer. - Lehnert (1886: 123*)
  79. Cladonia gracilis var. cervicornis Flörke - Lehnert (1886: 123*)
  80. Cladonia grayi G. Merr. ex Sandst. - Blake (1957: 60)
  81. Cladonia humilis (With.) J. R. Laundon - Blake (1957: 60 as Cladonia conista f. simplex)
  82. Cladonia incrassata Flörke - Robbins & Blake (1931: 155 as Cladonia paludicola), Blake (1957: 59)
  83. Cladonia leporina Fr. - Lehnert (1886: 124)
  84. Cladonia macilenta Hoffm. - Lehnert (1886: 124), Robbins & Blake (1931: 154), Blake (1957: 58 as Cladonia macilenta f. styracella)
  85. Cladonia macilenta var. bacillaris (Genth) Schaer. - Robbins & Blake (1931: 154 as Cladonia bacillaris ), Blake (1957: 59 as C. bacillaris)
  86. Cladonia mateocyatha Robbins - Robbins & Blake (1931: 158), Blake (1957: 61)
  87. Cladonia parasitica (Hoffm.) Hoffm. - Robbins & Blake (1931: 155 as Cladonia delicata), Blake (1957: 59 as Cladonia delicata f. quercina)
  88. Cladonia peziziformis (With.) J. R. Laundon - Lehnert (1886: 123 as Cladonia mitrula), Robbins & Blake (1931: 156 as Cladonia mitrula), Blake (1957: 60 as Cladonia capitata f. imbricatula)
  89. Cladonia phyllophora Hoffm. - Lehnert (1886: 123 as Cladonia degenerans)
  90. Cladonia piedmontensis G. Merr. - Robbins & Blake (1931: 158), Blake (1957: 61)
  91. Cladonia pleurota (Flörke) Schaer. - Robbins & Blake (1931: 154), Blake (1931: 59)
  92. Cladonia pocillum (Ach.) Grogn. - Lehnert (1886: 123 as Cladonia pyxidata var. pocillum)
  93. Cladonia pyxidata (L.) Hoffm. - Lehnert (1886: 123), Robbins & Blake (1931: 157), Blake (1957: 60)
  94. Cladonia ramulosa (With.) J. R. Laundon - Robbins & Blake (1931: 157 as Cladonia pityrea), Blake (1957: 61 as C. pityrea)
  95. Cladonia rangiferina (L.) F. H. Wigg. - Lehnert (1886: 123), Robbins & Blake (1931: 153), Blake (1957: 58)
  96. Cladonia robbinsii A. Evans - Robbins & Blake (1931: 158 as Cladonia foliacea var. alcicornis), Blake (1957: 61)
  97. Cladonia santensis Tuck. - Lehnert (1886: 123)
  98. Cladonia squamosa (Scop.) Hoffm. - Robbins & Blake (1931: 156), Blake (1957: 59)
  99. Cladonia stellaris (Opiz) Pouzar & Vezda - Lehnert (1886: 123 as Cladonia rangiferina var. alpestris)
  100. Cladonia strepsilis (Ach.) Grogn. - Robbins & Blake (1931: 158), Blake (1957: 61)
  101. Cladonia subcariosa Nyl. - Robbins & Blake (1931: 156), Blake (1957: 60)
  102. Cladonia submitis A. Evans - Blake (1957: 58)
  103. Cladonia subtenuis (Abbayes) Mattick - Blake (1957: 58)
  104. Cladonia subulata (L.) F. H. Wigg. - Lehnert (1886: 123 as Cladonia furcata var. subulata)
  105. Cladonia symphycarpa (Flörke) Fr. - Lehnert (1886: 123)
  106. Cladonia uncialis (L.) F. H. Wigg. - Lehnert (1886: 123), Robbins & Blake (1931: 155), Blake (1957: 59)
  107. Cladonia verticillata (Hoffm.) xxx - Lehnert (1886: 123 as Cladonia gracilis var. verticillata), Robbins & Blake (1931: 158 as Cladonia verticillata), Blake (1957: 61 as Cladonia cervicornis subsp. verticillata)
  108. Cladonia vulcanica Zoll. & Moritzi in Hasskarl f. minor Robbins - Blake (1957: 58)

  109. Coccocarpia erythroxyli (Spreng.) Swinscow & Krog - Lehnert (1886: 120 as Pannaria molybdaea)

  110. Coenogonium luteum (Dicks.) Kalb & Lücking - Lehnert (1886: 123 as Gyalecta lutea)
  111. Coenogonium pineti (Ach.) ined. - Lehnert (1886: 123 as Gyalecta Pineti)

  112. Collema conglomeratum var. crassiusculum (Malme) Degel. - Lehnert (1886: 121 as Collema cyrtaspis)
  113. Collema conglomeratum var. crassiusculum (Malme) Degel. - Lehnert (1886: 121 as Collema pycnocarpum)
  114. Collema flaccidum (Ach.) Ach. - Lehnert (1886: 121)
  115. Collema leptaleum Tuck. - Lehnert (1886: 121)
  116. Collema limosum (Ach.) Ach. - Lehnert (1886: 121)
  117. Collema nigrescens (Huds.) DC. - Lehnert (1886: 121)
  118. Collema pustulatum Ach. - Lehnert (1886: 121)
  119. Collema ryssoleum (Tuck.) A.Schneid. - Lehnert (1886: 121)

  120. Coniarthonia pyrrhula (Nyl.) Grube - Lehnert (1886: 126 as Arthonia pyrrhula)

  121. Conotrema urceolatum (Ach.) Tuck. - Lehnert (1886: 123)

  122. Cresponea chloroconia (Tuck.) Egea & Torrente - Lehnert (1886: 125 as Lecanactis chloroconia)

  123. Cyphelium tigillare (Ach.) Ach. - Lehnert (1886: 126 as Acolium tigillare)

  124. Dermatocarpon luridum (With.) J. R. Laundon - Lehnert (1886: 126 as Endocarpon miniatum var. aquaticum)
  125. Dermatocarpon miniatum (L.) W. Mann - Lehnert (1886: 126 as Endocarpon miniatum)

  126. Dibaeis baeomyces (L. f.) Rambold & Hertel - Lehnert (1886: 124 as Baeomyces roseus)

  127. Dimelaena oreina (Ach.) A. Massal. - Lehnert (1886: 122 as Rinodina oreina)

  128. Diploschistes actinostomus (Ach.) Zahlbr. - Lehnert (1886: 123 as Urceolaria actinostoma)
  129. Diploschistes gypsaceus (Ach.) Zahlbr. - Lehnert (1886: 123 as Urceolaria scruposa var. gypsacea)
  130. Diploschistes muscorum (Scop.) R. Sant. subsp. muscorum - Lehnert (1886: 123 as Urceolaria scruposa var. parasitica)
  131. Diploschistes scruposus (Schreb.) Norman - Lehnert (1886: 123 as Urceolaria scruposa)

  132. Enchylium tenax (Sw.) Gray - Lehnert (1886: 121 as Collema pulposum)

  133. Endocarpon miniatum var. complicatum Schaer. - Lehnert (1886: 126*)
  134. Endocarpon pusillum Hedw. - Lehnert (1886: 126)

  135. Flavoparmelia caperata (L.) Hale - Lehnert (1886: 119 as Parmelia caperata)

  136. Fuscopannaria leucophaea (Vahl) P. M. Jørg. - Lehnert (1886: 120 as Pannaria microphylla)
  137. Fuscopannaria leucosticta (Tuck.) P. M. Jørg. - Lehnert (1886: 120 as Pannaria leucosticta)

  138. Gassicurtia elizae (Tuck.) Marbach - Lehnert (1886: 125 as Buellia elizae)

  139. Graphis nitidia Nyl. - Lehnert (1886: 126*)
  140. Graphis scripta (L.) Ach. - Lehnert (1886: 125)
  141. Graphis scripta var. limitata Schaer. - Lehnert (1886: 125*)
  142. Graphis scripta var. recta Schaer. - Lehnert (1886: 125*)
  143. Graphis scripta var. serpentina Ach. - Lehnert (1886: 125*)
  144. Graphis scripta var. sophistica Nyl. - Lehnert (1886: 125*)
  145. Graphis scripta var. assimilis Nyl. - Lehnert (1886: 125*)

  146. Gyalecta geoica (Wahlenb. ex Ach.) Ach. - Lehnert (1886: 123)
  147. Gyalecta jenensis (Batsch) Zahlbr. - Lehnert (1886: 123 as Gyalecta cupularis)

  148. Hafellia disciformis (Fr.) Marbach & H. Mayrhofer - Lehnert (1886: 125 as Buellia parsema)

  149. Heterodermia comosa (Eschw.) Follm. & Redón - Lehnert (1886: 119 as Physcia comosa)
  150. Heterodermia granulifera (Ach.) W. L. Culb. - Lehnert (1886: 119 as Physcia granulifera)
  151. Heterodermia speciosa (Wulfen) Trevisan - Lehnert (1886: 119 as Physcia speciosa)

  152. Hyperphyscia adglutinata (Flörke) H. Mayrh. - Lehnert (1886: 120 as Physcia adglutinata)

  153. Hypotrachyna laevigata (Sm.) Hale - Lehnert (1886: 119 as Parmelia laevigata)
  154. Hypotrachyna livida (Taylor) Hale - Lehnert (1886: 119 as Parmelia tiliacea var. sublaevigata)

  155. Imshaugia aleurites (Ach.) S. F. Meyer - Lehnert (1886: 118 as Cetraria aleurites)
  156. Imshaugia placorodia (Ach.) S. F. Meyer - Lehnert (1886: 118 as Cetraria placorodia)

  157. Ionaspis lacustris (With.) Lutzoni - Lehnert (1886: 122 as Lecanora lacustris)

  158. Lecanora albella (Pers.) Ach. var. albella - Lehnert (1886: 121 as Lecanora pallida)
  159. Lecanora allophana Nyl. - Lehnert (1886: 122 as Lecanora subfusca) (1886: 122 as Lecanora subfusca var. allophana)
  160. Lecanora argentata (Ach.) Malme - Lehnert (1886: 122 as Lecanora subfusca var. argentata)
  161. Lecanora caesiorubella Ach. subsp. caesiorubella - Lehnert (1886: 122 as Lecanora pallida var. cancriformis)
  162. Lecanora campestris (Schaer.) Hue - Lehnert (1886: 124 as Biatora campestris)
  163. Lecanora carpinea (L.) Vain. - Lehnert (1886: 122 as Lecanora pallida var. angulosa)
  164. Lecanora circumborealis Brodo & Vitik - Lehnert (1886: 122 as Lecanora subfusca var. coilocarpa)
  165. Lecanora cupressi (Ach.) Ach. - Lehnert (1886: 122)
  166. Lecanora hagenii (Ach.) Ach. - Lehnert (1886: 122)
  167. Lecanora miculata Ach. - Lehnert (1886: 122)
  168. Lecanora muralis (Schreb.) Rabenh. - Lehnert (1886: 121)
  169. Lecanora pallescens var. rosella Tuck. - Lehnert (1886: 122*)
  170. Lecanora populicola (DC.) Duby - Lehnert (1886: 122 as Lecanora subfusca var. distans)
  171. Lecanora symmicta (Ach.) Ach. - Lehnert (1886: 122 as Lecanora pallescens) (1886: 122 as Lecanora varia var. symmicta), Lehnert (1886: 122 as Lecanora varia var. saepincola)
  172. Lecanora varia (Hoffm.) Ach. - Lehnert (1886: 122)

  173. Lecidea enteroleuca var. arenaria Fl. - Lehnert (1886: 125*)
  174. Lecidea enteroleuca var. theioplaca Fr.- Lehnert (1886: 125*)
  175. Lecidea lapicida (Ach.) Ach. var. lapicida - Lehnert (1886: 125 as Buellia lactea)
  176. Lecidea lepidastra (Tuck.) Hasse - Lehnert (1886: 125 as Buellia lepidastra)

  177. Lecidella elaeochroma (Ach.) Hazsl. - Lehnert (1886: 124 as Lecidea enteroleuca var. olivacea)

  178. Lecidoma demissum (Rutstr.) Gotth. Schneid. & Hertel - Lehnert (1886: 124 as Biatora atro-rufa)
    (1886: 125 as Opegrapha demissa)

  179. Lempholemna myriococcum (Ach.) Th. Fr. - Lehnert (1886: 121 as Collema myriococcum)

  180. Leprantha cinereopruinosa (Schaer.) Körb. - Lehnert (1886: 126 as Arthonia cinereopruinosa)

  181. Leptogium bolacinum Tuck. - Lehnert (1886: 121*)
  182. Leptogium chloromelum (Sw. ex Ach.) Nyl. - Lehnert (1886: 121)
  183. Leptogium cyanescens (Rabenh.) Körb. - Lehnert (1886: 121 as Letogium Tremelloides)
  184. Leptogium lichenoides (L.) Zahlbr. - Lehnert (1886: 121 as Leptogium lacerum)
  185. Leptogium juniperinum Tuck. - Lehnert (1886: 121)
  186. Leptogium pulchellum Nyl. - Lehnert (1886: 121*)
  187. Leptogium saturninum (Dickson) Nyl. - Lehnert (1886: 121 as Leptogium myochroum), Lehnert (1886: 121 as L. myochroum var. saturnium), Lehnert (1886: 121 as L. myochroum var. tomentosum)
  188. Leptogium subtile (Schrad.) Torss. - Lehnert (1886: 121 as Leptogium minutissimum)

  189. Letrouitia vulpina (Tuck.) Hafellner & Bellem. - Lehnert (1886: 124 as Heterothecium vulpinum)

  190. Lobaria pulmonaria (L.) Hoffm. - Lehnert (1886: 120 as Sticta pulmonaria)
  191. Lobaria quercizans Michx. - Lehnert (1886: 120 as Sticta quercizans)

  192. Maronea constans (Nyl.) Hepp - Lehnert (1886: 122 as Rinodina constans)

  193. Melanelia commixta (Nyl.) A. Thell - Lehnert (1886: 118 as Cetraria fahlunensis)
  194. Melanelia olivacea (L.) Essl. - Lehnert (1886: 119 as Parmelia olivacea)

  195. Micarea chlorosticta (Tuck.) R. C. Harris - Lehnert (1886: 124 as Biatora chlorosticta)

  196. Mycobilimbia hypnorum (Lib.) Kalb & Hafellner - Lehnert (1886: 124 as Biatora sanguineo-atra)

  197. Mycoblastus sanguinarius (L.) Norman - Lehnert (1886: 124 as Heterothecium sanguinarium)

  198. Mycocalicium albonigrum (Nyl.) Fink - Lehnert (1886: 126 as Calicium albo-nigrum)
  199. Mycocalicium subtile (Pers.) Szatala - Lehnert (1886: 126 as Calicium subtile)

  200. Mycopurum compositum (A. Massal.) R. C. Harris - Lehnert (1886: 126 as Mycopurum pycnocarpum)

  201. Myelochroa galbina (Ach.) Elix & Hale - Lehnert (1886: 119 as Parmelia tiliacea var. sulphurosa)

  202. Myriangium curtissii M. & B. - Lehnert (1886: 123*)

  203. Nephroma helveticum Ach. subsp. helveticum - Lehnert (1886: 120)
  204. Nephroma laevigatum Michx. - Lehnert (1886: 120)

  205. Normandina puchella (Borrer) Nyl. - Lehnert (1886: 124 as Cladonia pulchella)

  206. Ochrolechia tartarea (L.) A. Massal. - Lehnert (1886: 122 as Lecanora tartarea)

  207. Omphalaria phyllisca Tuck. - Lehnert (1886: 121*)

  208. Opegrapha atra Pers. - Lehnert (1886: 125)

  209. Opegrapha varia Pers. - Lehnert (1886: 125), Lehnert (1886: 125 as Opegrapha varia var. diaphora), Lehnert (1886: 125 as Opegrapha varia var. notha), Lehnert (1886: 125 as Opegrapha varia var. pulicaris), Lehnert (1886: 125 as Opegrapha varia var. rimalis)
  210. Opegrapha vulgata Ach. - Lehnert (1886: 125)

  211. Pannaria conoplea (Ach.) Bory - Lehnert (1886: 120 as Pannaria lanuginosa)
  212. Pannaria lurida (Mont.) Nyl. - Lehnert (1886: 120 as Physma luridum)
  213. Pannaria nigra Nyl. - Lehnert (1886: 120*)
  214. Pannaria rubiginosa (Ach.) Bory - Lehnert (1886: 120)

  215. Parmelia saxatilis (L.) Ach. - Lehnert (1886)

  216. Parmeliella tryptophylla (Ach.) Müll. Arg. - Lehnert (1886: 120 as Pannaria tryptophylla)

  217. Parmelina quercina (Willd.) Hale - Lehnert (1886: 119 as Parmelia tiliacea)

  218. Parmeliopsis ambigua (Wulfen) Nyl. - Lehnert (1886: 119 as Parmelia ambigua)

  219. Parmotrema crinitum (Ach.) M. Choisy - Lehnert (1886: 119 as Parmelia crinita)
  220. Parmotrema hypotropum (Nyl.) Hale - Lehnert (1886: 119 as Parmelia perforata var. hypotropa)
  221. Parmotrema perforatum (Jacq.) A. Massal. - Lehnert (1886: 119 as Parmelia perforata)

  222. Peltigera aphthosa (L.) Willd. - Lehnert (1886: 120)
  223. Peltigera canina (L.) Willd. - Lehnert (1886: 120)
  224. Peltigera collina (Ach.) Schrader - Lehnert (1886: 120 as Peltigera scutata)
  225. Peltigera didactyla (With.) J. R. Laundon - Lehnert (1886: 120 as Peltigera canina var. sorediata) (1886: 120 as Peltigera canina var. spuria)
  226. Peltigera horizontalis (Huds.) Baumg. - Lehnert (1886: 120)
  227. Peltigera polydactylon (Necker) Hoffm. - Lehnert (1886: 120 as Peltigera polydactyla)
  228. Peltigera rufescens (Weiss) Humb. - Lehnert (1886: 120)

  229. Peltula euploca (Ach.) Poelt - Lehnert (1886: 120 as Endocarpiscum Guepini)

  230. Pertusaria globularis (Ach.) Tuck - Lehnert (1886: 123)
  231. Pertusaria hymenea (Ach.) Schrad. - Lehnert (1886: 122 as Pertusaria wulffenii)
  232. Pertusaria leioplaca DC. - Lehnert (1886: 122)
  233. Pertusaria pustulata (Ach.) Duby - Lehnert (1886: 122)
  234. Pertusaria velata (Turner) Nyl. - Lehnert (1886: 122)

  235. Phaeographis dendritica Müll. Arg. - Lehnert (1886: 125 as Graphis dentritica)
  236. Phaeographis inusta (Ach.) Müll. Arg. - Lehnert (1886: 126 as Graphis dentritica var. inusta)

  237. Phaeophyscia rubropulchra (Degel.) Essl. - Lehnert (1886: 120 as Physcia obscura var. endochrysea)

  238. Phrrhospora russula (Ach.) Hafellner - Lehnert (1886: 124 as Biatora russula)

  239. Physcia aipolia (Ehrh. ex Humb.) Fürnr. - Lehnert (1886: 120 as Physcia stellaris var. aipolia)
  240. Physcia astrostriata Moberg - Lehnert (1886: 120 as Physcia crispa)
  241. Physcia caesia (Hoffm.) Fürnr. - Lehnert (1886: 120)
  242. Physcia clementei (Sm.) Lynge - Lehnert (1886: 120 as Physcia astroides)
  243. Physcia hypoleuca (Ach.) Trevisan - Lehnert (1886: 119 as Physcia hypoleuca)
  244. Physcia obsessa (Mont.) Nyl. - Lehnert (1886: 120 as Physcia obscura)
  245. Physcia stellaris (L.) Nyl. - Lehnert (1886: 120)
  246. Physcia tribacia (Ach.) Nyl. - Lehnert (1886: 120)

  247. Placidium tuckermanii (Ravenel ex Mont.) Breuss - Lehnert (1886: 126 as Endocarpon arboreum)
  248. Placidium rufescens (Ach.) A. Massal. - Lehnert (1886: 126 as Endocarpon rufescens)

  249. Placynthiella uliginosa (Schrad.) Coppins & P. James - Lehnert (1886: 124 as Biatora uliginosa)

  250. Platismatia lacunosa (Ach.) W. L. Culb. & C .F. Culb. - Lehnert (1886: 118 as Cetraria lacunosa)

  251. Porina cestrensis (Tuck. ex Michener) Müll. Arg. - Lehnert (1886: 127 as Sagedia cestrensis)

  252. Porpidia albocaerulescens (Wulfen) Hertel & Knoph - Lehnert (1886: 125 as Lecidea albo-caerulescens)
  253. Porpidia macrocarpa (DC.) Hertel & A. J. Schwab - Lehnert (1886: 124 as Lecidea contigua)

  254. Pseudevernia consocians (Vain.) Hale & W. L. Culb. - Lehnert (1886: 118 as Evernia furfuracea)

  255. Psorotichia schaereri (A. Massal.) Arnold - Lehnert (1886: 120 as Pyrenula Schaereri)

  256. Psorula rufonigra (Tuck.) Gotth. Schneid. - Lehnert (1886: 124 as Biatora rufo-nigra)

  257. Punctelia borreri (Sm.) Krog - Lehnert (1886: 119 as Parmelia borreri)
  258. Punctelia rudecta (Ach.) Krog - Lehnert (1886: 119 as Parmelia Borreri var. rudecta)

  259. Pycnothelia papillaria Dufour - Lehnert (1886: 123 as Cladonia papillaria)

  260. Pyrenula anomala (Ach.) Vain. - Lehnert (1886: 124 as Biatora anomala)
  261. Pyrenula falliciora Nyl. - Lehnert (1886: 127*)
  262. Pyrenula halospora Tuck. - Lehnert (1886: 127)
  263. Pyrenula lactea Tuck. - Lehnert (1886: 127*)
  264. Pyrenula laevigata (Pers.) Arnold - Lehnert (1886: 127 as Pyrenula glabrata)
  265. Pyrenula santensis (Nyl.) Müll. Arg. - Lehnert (1886: 127)
  266. Pyrenula thelomorpha Tuck. - Lehnert (1886: 127)

  267. Pyxine sorediata (Ach.) Mont. - Lehnert (1886: 120)

  268. Racodium rupestre Pers. - Lehnert (1886: 124 as Cystocoleus rupestris)

  269. Ramalina americana Hale - Lehnert (1886: 118 as Ramalina calicaris var. fastigata)
  270. Ramalina calaris (L.) Fr. - Lehnert (1886: 118)
  271. Ramalina calicaris var. canaliculata - Lehnert (1886: 118)
  272. Ramalina farinacea (L.) Fr. - Lehnert (1886: 118 as Ramalina calicaris var. farinacea)
  273. Ramalina fraxinea (L.) Ach. - Lehnert (1886: 118 as Ramalina calicaris var. fraxinea)
  274. Ramalina rigida Pers. ex Ach. - Lehnert (1886: 118)

  275. Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg.- Lehnert (1886: 125 as Buellia petraea var. montagnei)
  276. Rhizocarpon oederi (Weber) Körb. - Lehnert (1886: 125 as Buellia petraea var. oederi)
  277. Rhizocarpon petraeum (Wulfen) A. Massal.- Lehnert (1886: 125 as Buellia petraea)

  278. Rhizoplaca chrysoleuca (Sm.) Zopf - Lehnert (1886: 121 as Lecanora rubina)

  279. Rimelia cetrata (Ach.) Hale & Fletcher - Lehnert (1886: 119 as Parmelia cetrata)

  280. Rimularia insularis (Nyl.) Rambold & Hertel - Lehnert (1886: 125 as Lecidea insularis)

  281. Rinodina confragosa (Ach.) Körb. - Lehnert (1886: 122 as Rinodina sophodes var. confragosa)
  282. Rinodina exigua (Ach.) Gray - Lehnert (1886: 122 as Rinodina sophodes var. exigua), Lehnert (1886: 124 as Biatora exigua)
  283. Rinodina tephraspis (Tuck.) Herre - Lehnert (1886: 122 as Rinodina sophodes var. tephraspis)

  284. Sagedia lactea Körb. - Lehnert (1886: 127*)

  285. Sagedia oxyspora Tuck. - Lehnert (1886: 127*)

  286. Sarcographa tricosa (Ach.) Müll. Arg. - Lehnert (1886: 126 as Graphis tricosa)

  287. Sarcogyne clavus (DC.) Kremp. - Lehnert (1886: 122 as Lecanora privigna var. clavus)
  288. Sarcogyne regularis Körb. - Lehnert (1886: 122 as Lecanora privigna), Lehnert (1886: 122 as Lecanora privigna var. pruinosa)

  289. Sarea resinae (Fr.) Kuntze - Lehnert (1886: 124 as Biatora resinae)

  290. Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda - Lehnert (1886: 124 as Biatora decolorans)

  291. Scoliciosporum umbrinum (Ach.) Arnold - Lehnert (1886: 124 as Biatora umbrina)

  292. Solorina spongiosa (Ach.) Anzi - Lehnert (1886: 120 as Peltigera canina var. spongiosa)

  293. Staurothele diffractella (Nyl.) Tuck. - Lehnert (1886: 127)
  294. Staurothele drummondii (Tuck.) Tuck.- Lehnert (1886: 127)
  295. Staurothele fissa (Taylor) Zwackh - Lehnert (1886: 127 as Staurothele umbrina)

  296. Teloschistes chrysophthalmus (L.) Th. Fr. - Lehnert (1886: 119 as Theloschistes chrysophthalmus)
  297. Teloschistes flavicans (Sw.) Norman - Lehnert (1886: 119 as Theloschistes chrysophthalmus var. flavicans)

  298. Tephromela atra (Huds.) Hafellner - Lehnert (1886: 122 as Lecanora atra)

  299. Trapelia coarctata (Turner ex Sm. & Sow.) M. Choisy - Lehnert (1886: 124 as Biatora coarctata)

  300. Trypethelium virens Tuck. ex Michener - Lehnert (1886: 127)

  301. Tuckermannopsis ciliaris (Ach.) Gyeln. - Lehnert (1886: 118 as Cetraria ciliaris)
  302. Tuckermannopsis fendleri (Nyl.) Essl. - Lehnert (1886: 118 as Cetraria fendleri)
  303. Tuckermannopsis sepincola (Ehrh.) Hale - Lehnert (1886: 118 as Cetraria saepincola)

  304. Usnea angulata Ach. - Lehnert (1886: 119)
  305. Usnea certina Ach. - Lehnert (1886: 119 as Usnea barbata var. ceratina)
  306. Usnea filpendula Stirt. - Lehnert (1886: 119 as Usnea barbata var. dasypoga)
  307. Usnea florida (L.) F. H. Wigg. - Lehnert (1886: 119 as Usnea barbata var. florida)
  308. Usnea hirta (L.) F. H. Wigg. - Lehnert (1886: 119 as Usnea barbata var. hirta)
  309. Usnea strigosa subsp. rubiginea (Michx.) I. Tav. - Lehnert (1886: 119 as Usnea barbata var. rubiginea)
  310. Usnea trichodea Ach. - Lehnert (1886: 119)

  311. Usnocetraria oakesiana (Tuck.) xxx - Lehnert (1886: 118 as Cetraria oakesiana)

  312. Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Lehnert (1886: 119 as Parmelia conspersa)

  313. Xanthoria parietina (L.) Th. Fr. - Lehnert (1886: 119 as Theloschistes parietinus)
  314. Xanthoria polycarpa (Hoffm.) Rieber - Lehnert (1886: 119 as Theloschistes polycarpus)

  315. Xylographa opegraphella Nyl. ex Rothr. - Lehnert (1886: 125)