Checklist of lichens of Missouri (USA)
Version 31 December 2018

 

  1. Acarospora americana H. Magn. - Ladd et al. (1994: 131)
  2. Acarospora citrina (Tayl.) Zahlbr. - Gier & Kendrick (1973: 207)
  3. Acarospora glaucocarpa (Wahlenb. ex Ach.) Körb. - Gier & Kendrick (1973: 207)
  4. Acarospora schleicheri (Ach.) A. Massal. - Gier & Kendrick (1973: 207)

  5. Amandinea polyspora (Willey) E. Lay & P. May - Ladd et al. (1994: 132 as Buellia polyspora)
  6. Amandinea punctata (Hoffm.) Coppins & Scheid. - Gier & Kendrick (1973: 208 as Buellia punctata)

  7. Anaptychia palmulata (Michx.) Vain. - Gier & Kendrick (1973: 207)

  8. Anisomeridium biforme (Borrer) R. C. Harris - Ladd et al. (1994: 131)

  9. Anzia colpodes (Ach.) Stizenb. - Hale (1957: 156), Gier & Kendrick (1973: 207)

  10. Arctomia fascicularis (L.) Otálora & Wedin - Gier & Kendrick (1973: 210 as Collema fasciculare)

  11. Arthonia atra (Pers.) A. Schneid. - Ladd et al. (1994: 136 as Opegrapha atra)
  12. Arthonia complanata Fée - Gier & Kendrick (1973: 208)
  13. Arthonia punctiformis Ach. - Ladd et al. (1994: 131)
  14. Arthonia rubella (Fée) Nyl. - Ladd et al. (1994: 131)
  15. Arthonia susa R. C. Harris & Lendemer - Ladd et al. (1994: 131 erroneously as Arthothelium taediosum)

  16. Arthothelium hallii (Tuck.) Zahlbr. - Gier & Kendrick (1973: 208)
  17. Arthothelium spectabile A. Massal. - Ladd et al. (1994: 131)

  18. Aspicilia verrucigera Hue - Ladd et al. (1994: 132)

  19. Bacidia bagliettoana (A. Massal. & De Not.) Jatta - Gier & Kendrick (1973: 208), Ladd et al. (1994: 132)
  20. Bacidia polychroa (Th. Fr.) Körb. - Ladd et al. (1994: 132)
  21. Bacidia rubella (Hoffm.) A. Massal. - Gier & Kendrick (1973: 208)
  22. Bacidia schweinitzii (Fr. ex Tuck.) A. Schneid. - Gier & Kendrick (1973: 208)

  23. Bagliettoa calciseda (DC.) Gueidan & Cl. Roux - Gier & Kendrick (1973: 214 as Verrucaria calciseda)
  24. Bagliettoa marmorea (Scop.) Gueidan & Cl. Roux - Ladd et al. (1994: 138 as Verrucaria marmorea)

  25. Biatorella hemisphaerica Anzi - Gier & Kendrick (1973: 208 erroneously as Biatorella fossarum)

  26. Bilimbia sabuletorum (Schreb.) Arnold - Ladd et al. (1994: 135 as Mycobilimbia sabuletorum)

  27. Blennothallia crispa (Weber ex F. H. Wigg.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema crispum)

  28. Botryolepraria lesdainii (Hue) Canals, Hernández-Mariné, Gómez-Bolea & Llimona - Ladd et al. (1994: 134 as Lepraria lesdainii)

  29. Buellia badia Tuck. - Ladd et al. (1994: 132 as Buellia turgescens)
  30. Buellia disciformis (Fr.) Mudd. - Gier & Kendrick (1973: 208)
  31. Buellia spuria (Schaer.) Anzi - Gier & Kendrick (1973: 208)
  32. Buellia stigmatea Tuck. - Gier & Kendrick (1973: 208)

  33. Calicium salicinum Pers. - Gier & Kendrick (1973: 208)
  34. Calicium tigillare (Ach.) Pers. - Gier & Kendrick (1973: 210 as Cyphelium tigillare)

  35. Callome multipartitum (Sm.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema multipartitum)

  36. Caloplaca atroalba (Tuck.) Zahlbr. - Gier & Kendrick (1973: 210 as Lecania perproxima), Ladd et al. (1994: 132)
  37. Caloplaca cerina (Ehrh.) Th. Fr. - Gier & Kendrick (1973: 208)
  38. Caloplaca cinnabarina (Ach.) Zahlbr. - Gier & Kendrick (1973: 208)
  39. Caloplaca microphyllina (Tuck.) Hasse - Gier & Kendrick (1973: 208)
  40. Caloplaca saxicola (Hoffm.) Nordin - Gier & Kendrick (1973: 208 as Caloplaca murorum)
  41. Caloplaca spaldingii Zahlbr. - Gier & Kendrick (1973: 208)
  42. Caloplaca ulmorum (Fink) Fink - Gier & Kendrick (1973: 208)

  43. Candelaria concolor (Dicks.) B. Stein - Hale (1957: 156), Gier & Kendrick (1973: 208 as Candelaria concolor var. effusa)
  44. Candelaria fibrosa (Fr.) Müll. Arg. - Hale (1957: 156), Gier & Kendrick (1973: 208)

  45. Candelariella aurella (Hoffm.) Zahlbr. - Gier & Kendrick (1973: 208)

  46. Canoparmelia caroliniana (Nyl.) Elix & Hale - Gier & Kendrick (1973: 212 as Parmelia caroliniana)

  47. Carbonicola anthracophila (Nyl.) P. James & Gotth. Schneider - Ladd et al. (1994: 134 as Hypocenomyce anthracophila)
  48. Chaenotheca brunneola (Ach.) Müll. Arg. - Ladd et al. (1994: 133)

  49. Chrysothrix insulizans R. C. Harris & Ladd - Harris & Ladd (2008: 35 Type in New York, USA NY)

  50. Circinaria contorta (Hoffm.) A. Nordin, Savic & Tibell - Gier & Kendrick (1973: 211 as Lecanora contorta)

  51. Cladonia apodocarpa Robb. - Gier & Kendrick (1973: 208)
  52. Cladonia arbuscula (Wallr.) Flot. subsp. arbuscula - Gier & Kendrick (1973: 208 as Cladina arbuscula)
  53. Cladonia atlantica A. Evans - Ladd & Wilhelm (1986: 15)
  54. Cladonia bellidiflora (Ach.) Schaer. - Gier & Kendrick (1973: 208)
  55. Cladonia caespiticia (Pers.) Flörke - Gier & Kendrick (1973: 208)
  56. Cladonia cylindrica (A. Evans) A. Evans - Ladd et al. (1994: 133)
  57. Cladonia peziziformis (With.) J. R. Laundon - Gier & Kendrick (1973: 208 as Cladonia capitata), Gier & Kendrick (1973: 208 as Cladonia capitata var. dissectula), Gier & Kendrick (1973: 208 as Cladonia capitata f. imbricatula), Gier & Kendrick (1973: 209 as Cladonia capitata f. pallida), Gier & Kendrick (1973: 209 as Cladonia capitata f. stenophyllodes)
  58. Cladonia cariosa (Ach.) Spreng. - Gier & Kendrick (1973: 209), Ladd & Wilhelm (1986: 16)
  59. Cladonia caroliniana Schwein. ex Tuck. - Gier & Kendrick (1973: 209)
  60. Cladonia chlorophaea (Flörke ex Somm.) Spreng. - Gier & Kendrick (1973: 209)
  61. Cladonia coniocraea (Flörke) Spreng. - Gier & Kendrick (1973: 209)
  62. Cladonia cristatella Tuck. - Gier & Kendrick (1973: 209)
  63. Cladonia cryptochlorophaea Asahina - Gier & Kendrick (1973: 209)
  64. Cladonia didyma (Fée) Vain. - Gier & Kendrick (1973: 209)
  65. Cladonia fimbriata (L.) Fr. - Gier & Kendrick (1973: 209)
  66. Cladonia floerkeana (Fr.) Flörke - Gier & Kendrick (1973: 209)
  67. Cladonia furcata (Huds.) Schrad. - Gier & Kendrick (1973: 209)
  68. Cladonia grayi Merr. ex Sandst. - Gier & Kendrick (1973: 209)
  69. Cladonia leporina Fr. - Ladd & Wilhelm (1986: 16)
  70. Cladonia macilenta Hoffm. - Gier & Kendrick (1973: 209)
  71. Cladonia mateocyatha Robb. - Gier & Kendrick (1973: 209)
  72. Cladonia parasitica (Hoffm.) Hoffm. - Gier & Kendrick (1973: 209)
  73. Cladonia petrophila R. C. Harris - Harris (1992: 329 First record)
  74. Cladonia ramulosa (Flörke) Fr. - Gier & Kendrick (1973: 209 as Cladonia pityrea)
  75. Cladonia pyxidata (L.) Hoffm. - Gier & Kendrick (1973: 209)
  76. Cladonia rei Schaer. - Ladd & Wilhelm (1986: 16)
  77. Cladonia robbinsii A. Evans - Gier & Kendrick (1973: 209)
  78. Cladonia simulata Robbins - Ladd et al. (1994: 133)
  79. Cladonia squamosa (Scop.) Hoffm. - Gier & Kendrick (1973: 209)
  80. Cladonia subcariosa Nyl. - Gier & Kendrick (1973: 209 as Cladonia clavulifera), Gier & Kendrick (1973: 209 as Cladonia polycarpoides), Gier & Kendrick (1973: 209), Ladd & Wilhelm (1986: 16 as Cladonia polycarpia)
  81. Cladonia subtenuis (Abbayes) Mattick - Gier & Kendrick (1973: 208 as Cladina subtenuis)
  82. Cladonia subulata (L.) Wigg. - Gier & Kendrick (1973: 209)
  83. Cladonia symphycarpa (Ach.) Fr. - Gier & Kendrick (1973: 209)

  84. Clauzadea monticola (Ach.) Hafellner & Bellem. - Ladd et al. (1994: 133)

  85. Coccocarpia palmicola (Spreng.) Arv. & D. J. Galloway - Gier & Kendrick (1973: 210 as Coccocarpia cronia)

  86. Collema flaccidum (Ach.) Ach. - Gier & Kendrick (1973: 210)
  87. Collema nigrescens (Huds.) DC. - Gier & Kendrick (1973: 210)
  88. Collema pustulatum Ach. - Ladd et al. (1994: 133)

  89. Cystocoleus ebeneus (Dillwyn) Thwaites - Ladd et al. (1994: 133)

  90. Dermatocarpon americanum Vain. - Heidmarsson (2003: 466)
  91. Dermatocarpon arenosaxi Amtoft - Amtoft et al. (2008: 24 Type in New York, USA NY)
  92. Dermatocarpon dolomiticum Amtoft - Amtoft (2008: 27 Protologue) Type in New York, USA NY
  93. Dermatocarpon luridum (With.) J. R. Laundon - Gier & Kendrick (1973: 210 as Dermatocarpon fluviatile)
  94. Dermatocarpon miniatum (L.) W. Mann - Gier & Kendrick (1973: 210)
  95. Dermatocarpon tomentulosum Amtoft - Amtoft (2006: 184)

  96. Dimelaena oreina (Ach.) Norm. - Gier & Kendrick (1973: 210)

  97. Diploschistes actinostomus (Pers.) Zahlbr. - Ladd et al. (1994: 133)
  98. Diploschistes muscorum (Scop.) R. Sant. subsp. muscorum (Scop.) R. Sant. - Ladd et al. (1994: 133)
  99. Diploschistes scruposus (Schreb.) Norman - Ladd et al. (1994: 133)

  100. Dirinaria frostii (Tuck.) Hale & W. L. Culb. - Gier & Kendrick (1973: 210), Gier & Kendrick (1973: 213 as Physcia frostii)
  101. Dirinaria picta (Sw.) Clem. & Shear - Ladd & Wilhelm (1986: 17)

  102. Enchylium bachmanianum (Fink) Otálora, P. M. Jørg. & Wedin - Fink (sub Collemodes bachmanianum), Gier & Kendrick (1973: 210 as Collema tenax var. bachmanianum)
  103. Enchylium conglomeratum (Hoffm.) Otálora, P. M. Jørg. & Wedin - Hale (1957: 156 as Collema conglomeratum var. crassiusculum), Gier & Kendrick (1973: 210 as Collema conglomeratum var. crassiusculum), Gier & Kendrick (1973: 210 as Collema conglomeratum)
  104. Enchylium limosum (Ach.) Otálora, P.M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema limosum)
  105. Enchylium polycarpon (Hoffm.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema polycarpon)
  106. Enchylium tenax (Sw.) Gray - Gier & Kendrick (1973: 210 as Collema tenax)

  107. Endocarpon diffractellum (Nyl.) Gueidan & Cl. Roux - Gier & Kendrick (1973: 214 as Staurothele diffractella)

  108. Ephebe lanata (L.) Vain. - Gier & Kendrick (1973: 210)

  109. Flavoparmelia caperata (L.) Hale - Hale (1957: 157 as Parmelia caperata), Gier & Kendrick (1973: 212 as Parmelia caperata)

  110. Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting - Gier & Kendrick (1973: 208 as Caloplaca citrina)

  111. Flavopunctelia soredica (Nyl.) Hale - Ladd & Wilhelm (1986: 17)

  112. Fuscidea recensa (Stirt.) Hertel, V. Wirth & Vezda - Ladd et al. (1994: 133)

  113. Fuscopannaria leucosticta (Tuck. ex E. Michener) P. M. Jørg. - Gier & Kendrick (1973: 212 as Pannaria leucosticta)

  114. Gassicurtia vernicoma Marbach - Ladd et al. (1994: 132 as Buellia vernicoma)

  115. Gomphillus americanus Essl. - Ladd et al. (1994: 134)

  116. Graphis scripta (L.) Ach. - Gier & Kendrick (1973: 210)
  117. Graphis sophisticascens Nyl. - Nylander (xx: xx Protologue), Gier & Kendrick (1973: 210 as Graphina sophisticascens) Type

  118. Gyalecta jenensis (Batsch) Zahlbr. - Ladd et al. (1994: 134)

  119. Gyalideopsis ozarkensis Lücking, W. R. Buck & R. C. Harris - Lücking et al. (xx: xx Protologue) Type

  120. Gyalolechia flavorubescens (Huds.) Søchting, Frödén & Arup - Gier & Kendrick (1973: 208 as Caloplaca aurantiaca)

  121. Heppia lutosa (Ach.) Nyl. - Gier & Kendrick (1973: 210 as Heppia despreauxii)

  122. Hertelidea botryosa (Fr.) Printzen & Kantvilas - Ladd et al. (1994: 134 as Lecidea botryosa)

  123. Heterodermia albicans (Pers.) Swinscow & Krog - Gier & Kendrick (1973: 210 as Heterodermia domingensis)
  124. Heterodermia echinata (Tayl.) W. L. Culb. - Gier & Kendrick (1973: 210)
  125. Heterodermia galactophylla (Tuck.) W. L. Culb. - Hale (1957: 156 as Anaptychia galactophylla), Gier & Kendrick (1973: 210)
  126. Heterodermia granulifera (Ach.) W. L. Culb. - Hale (1957: 156 as Anaptychia granulifera), Gier & Kendrick (1973: 210)
  127. Heterodermia hypoleuca (Mühl.) A. Massal. - Hale (1957: 156 as Anaptychia hypoleuca), Gier & Kendrick (1973: 210)
  128. Heterodermia obscurata (Nyl.) Trev. - Hale (1957: 156 as Anaptychia heterochroa), Gier & Kendrick (1973: 210)
  129. Heterodermia speciosa (Wulfen) Trevisan - Hale (1957: 156 as Anaptychia speciosa)

  130. Hyperphyscia syncolla (Tuck. ex Nyl.) Kalb - Gier & Kendrick (1973: 214 as Physciopsis syncolla)

  131. Hypocenomyce scalaris (Ach. ex Lilj.) M. Choisy - Gier & Kendrick (1973: 211 as Lecidea scalaris)

  132. Hypotrachyna horrescens (Tayl.) Krog & Swinscow - Gier & Kendrick (1973: 212 as Parmelia horrescens)
  133. Hypotrachyna laevigata (Sm.) Ach. - Gier & Kendrick (1973: 212 as Parmelia laevigata)
  134. Hypotrachyna livida (Tayl.) Hale - Gier & Kendrick (1973: 212 as Parmelia livida)
  135. Hypotrachyna minarum (Vain.) Krog & Swinscow - Gier & Kendrick (1973: 212 as Parmelia dissecta)
  136. Hypotrachyna osseoalba (Vain.) Park & Hale - Gier & Kendrick (1973: 212 as Parmelia formosana)
  137. Hypotrachyna pustulifera (Hale) Skorepa - Ladd & Wilhelm (1986: 17)

  138. Lathagrium auriforme (With.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema auriculatum)
  139. Lathagrium fuscovirens (With.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 210 as Collema tuniforme)

  140. Lecania erysibe (Ach.) Mudd - Gier & Kendrick (1973: 210)
  141. Lecania fuscella (Schaer.) Körb. - Gier & Kendrick (1973: 210 as Lecania syringea)

  142. Lecanora albella (Pers.) Ach. var. albella - Gier & Kendrick (1973: 211 as Lecanora pallida)
  143. Lecanora argentata (Ach.) Malme - Gier & Kendrick (1973: 211 as Lecanora subfuscata)
  144. Lecanora chlarotera Nyl. - Gier & Kendrick (1973: 211 as Lecanora rugosella)
  145. Lecanora gyrophorica Lendemer - Knudsen & Lendemer (2009: 22 Type in New York, USA NY), Sliwa & Flakus (2011: 4)
  146. Lecanora hagenii (Ach.) Ach. - Gier & Kendrick (1973: 211)
  147. Lecanora oreinoides (Körb.) Hertel & Rambold - Gier & Kendrick (1973: 211 as Lecanora tesselina)
  148. Lecanora sambuci (Pers.) Nyl. - Gier & Kendrick (1973: 211)
  149. Lecanora saxigena Lendemer & R.C. Harris - Ladd et al. (1994: 134 as Lecanora cinereofusca var. appalachensis)
  150. Lecanora subpallens Zahlbr. - Ladd et al. (1994: 134 as Lecanora caesiorubella subsp. prolifera)
  151. Lecanora varia (Hoffm.) Ach. - Gier & Kendrick (1973: 211)
  152. Lecidea auriculata Th. Fr. subsp. auriculata - Gier & Kendrick (1973: 211)
  153. Lepra multipuncta (Turner) Hafellner - Gier & Kendrick (1973: 213 as Pertusaria multipuncta)
  154. Lepra trachythallina (Erichsen) Lendemer & R. C. Harris - Ladd et al. (1994: 136 as Pertusaria trachythallina)

  155. Lepraria neglecta (Nyl.) Lettau - Ladd et al. (1994: 134 as Lepraria caesioalba), Ladd et al. (1994: 134)
  156. Lepraria nivalis J. R. Laundon - Ladd et al. (1994: 134)
  157. Lepraria vouauxii (Hue) R. C. Harris - Ladd et al. (1994: 135 as Leproloma vouauxii)

  158. Leptogium austroamericanum (Malme) C. W. Dodge - Gier & Kendrick (1973: 211)
  159. Leptogium azureum (Sw. ex Ach.) Mont. - Ladd et al. (1994: 135)
  160. Leptogium chloromelum (Sw. ex Ach.) Nyl. - Gier & Kendrick (1973: 211)
  161. Leptogium corticola (Tayl.) Tuck. - Gier & Kendrick (1973: 211)
  162. Leptogium cyanescens (Pers.) Körb. - Hale (1957: 157), Gier & Kendrick (1973: 211)
  163. Leptogium hirsutum Sierk - Gier & Kendr - Gier & Kendrick (1973: 211)
  164. Leptogium milligranum Sierk - Gier & Kendrick (1973: 211)
  165. Leptogium saturninum (Dicks.) Nyl. - Hale (1957: 157), Gier & Kendrick (1973: 211)

  166. Leptorhaphis epidermidis (Ach.) Th. Fr. - Gier & Kendrick (1973: 211)

  167. Lichenothelia scopularia xxx - Gier & Kendrick (1973: 214 as Rinodina aterrima)

  168. Lithothelium hyalosporum (Nyl.) Aptroot - Ladd et al. (1994: 135)

  169. Lobaria quercizans Michx. - Gier & Kendrick (1973: 211)
  170. Lobaria ravenelii (Tuck.) Yoshim. - Gier & Kendrick (1973: 211 as Lobaria erosa)

  171. Lobothallia alphoplaca Tuck. - Gier & Kendrick (1973: 211 as Lecanora thamnoplaca)

  172. Megalaria laureri (Hepp ex Th. Fr.) Hafellner - Gier & Kendrick (1973: 208 as Catillaria laureri)

  173. Melanohalea exasperata (De Not.) O. Blanco et al. - Gier & Kendrick (1973: 212 as Parmelia exasperata)

  174. Micarea peliocarpa (Anzi) Coppins & R. Sant. - Ladd et al. (1994: 135)
  175. Micarea prasina Fr. - Ladd et al. (1994: 135)

  176. Mycoporum pycnocarpoides Müll. Arg. - Ladd et al. (1994: 135)

  177. Myelochroa aurulenta (Tuck.) Elix & Hale - Hale (1957: 157 as Parmelia aurulenta), Gier & Kendrick (1973: 212 as Parmelia aurulenta)
  178. Myelochroa galbina (Ach.) Elix & Hale - Hale (1957: 158 as Parmelia subquercifolia), Gier & Kendrick (1973: 212 as Parmelia galbina)
  179. Myelochroa obsessa (Ach.) Elix & Hale - Gier & Kendrick (1973: 212 as Parmelia obsessa)

  180. Nadvornikia sorediata R. C. Harris - Ladd et al. (1994: 135)

  181. Normandina pulchella (Borrer) Nyl. - Ladd et al. (1994: 136)

  182. Ochrolechia tartarea (L.) A. Massal. - Gier & Kendrick (1973: 211)

  183. Opegrapha vulgata auct. non (Ach.) Ach. - Ladd et al. (1994: 136)

  184. Pannaria conoplea (Ach.) Bory - Jefferson (xx: xx sub Pannaria rubiginosa var. lanuginosa), Jefferson (xx: xx sub Crocynia lanuginosa), Gier & Kendrick (1973: 212 as Pannaria pityrea)
  185. Pannaria lurida (Mont.) Nyl. subsp. lurida - Hale (1957: 157), Gier & Kendrick (1973: 212)
  186. Pannaria rubiginosa (Thunb. ex Ach.) Delise - Gier & Kendrick (1973: 212)

  187. Parmelia saxatilis (L.) Ach. - Hale (1957: 158), Gier & Kendrick (1973: 212)
  188. Parmelia squarrosa Hale - Hale (1971: 29)
  189. Parmelia sulcata Taylor - Hale (1979: xx map), Ladd et al. (1994: 136)

  190. Parmelina coleae Argüello & A. Crespo - Gier & Kendrick (1973: 212 erroneously as Parmelia quercina)

  191. Parmotrema arnoldii (Du Rietz) Hale - Gier & Kendrick (1973: 212 as Parmelia arnoldii)
  192. Parmotrema austrosinense (Zahlbr.) Hale - Gier & Kendrick (1973: 212 as Parmelia austrosinensis)
  193. Parmotrema cetratum (Ach.) Hale - Gier & Kendrick (1973: 212 as Parmelia cetrata)
  194. Parmotrema crinitum (Ach.) M. Choisy - Hale (1957: 157 as Parmelia crinita), Gier & Kendrick (1973: 212 as Parmelia crinita)
  195. Parmotrema dilatatum (Vain.) Hale - Gier & Kendrick (1973: 212 as Parmelia dilatata)
  196. Parmotrema hypoleucinum (B. Stein) Hale - Ladd & Wilhelm (1986: 17)
  197. Parmotrema hypotropum (Nyl.) Hale - Gier & Kendrick (1973: 212 as Parmelia hypotropa)
  198. Parmotrema madagascariaceum (Hue) Hale - Ladd & Wilhelm (1986: 17)
  199. Parmotrema perforatum (Jacq.) A. Massal. - Hale (1957: 157 as Parmelia erecta), Hale (1957: 158 as Parmelia perforata), Gier & Kendrick (1973: 212 as Parmelia perforata)
  200. Parmotrema perlatum (Huds.) M. Choisy - Gier & Kendrick (1973: 212 as Parmelia perlata)
  201. Parmotrema praesorediosum (Nyl.) Hale - Gier & Kendrick (1973: 212 as Parmelia praesorediosa)
  202. Parmotrema reticulatum (Taylor) M. Choisy - Hale (1957: 158 as Parmelia reticulata)
  203. Parmotrema subisidiosum (Müll. Arg.) Hale - Ladd & Wilhelm (1986: 18)

  204. Parmotrema submarginale (Michx.) DePriest & B. Hale - Gier & Kendrick (1973: 212 as Parmelia michauxiana)
  205. Parmotrema subtinctorium (Zahlbr.) Hale - Gier & Kendrick (1973: 212 as Parmelia subtinctoria)
  206. Parmotrema ultralucens (Krog) Hale - Hale (1957: 158 as Parmelia subcrinita auct.), Gier & Kendrick (1973: 212 as Parmelia subcrinita auct.)
  207. Parmotrema xanthinum (Müll. Arg.) Hale - Gier & Kendrick (1973: 213 as Parmelia xanthina)

  208. Peltigera canina (L.) Willd. - Gier & Kendrick (1973: 213)
  209. Peltigera degenii Gyeln. - Gier & Kendrick (1973: 213)
  210. Peltigera elisabethae Gyeln. - Ladd et al. (1994: 136)
  211. Peltigera evansiana Gyeln. - Gier & Kendrick (1973: 213)
  212. Peltigera horizontalis (Huds.) Baumg. - Gier & Kendrick (1973: 213)
  213. Peltigera phyllidiosa Goffinet & Miadlikowska - Goffinet & Miadlikowska (1999: 255 DNA ITS)
  214. Peltigera polydactyla (Neck.) Hoffm. var. crassoides Gyeln. - Gier & Kendrick (1973: 213)
  215. Peltigera polydactyla (Neck.) Hoffm. f. typica (Neck.) Hoffm. - Gier & Kendrick (1973: 213)
  216. Peltigera polydactyla (Neck.) Hoffm. f. mucrocarpa (Ach.) Merab. - Gier & Kendrick (1973: 213)
  217. Peltigera praetextata (Flörke) Vain. - Gier & Kendrick (1973: 213)
  218. Peltigera rufescens (Weis.) Humb. - Gier & Kendrick (1973: 213 as Peltigera canina var. rufescens), Gier & Kendrick (1973: 213)
  219. Peltigera spuria (Ach.) DC. f. sorediata (Schaer.) Grumm. - Gier & Kendrick (1973: 213)

  220. Peltula euploca (Ach.) Ozenda & Clauz. - Ladd & Wilhelm (1986: 18)

  221. Pertusaria leioplaca (Ach.) DC. - Gier & Kendrick (1973: 213)
  222. Pertusaria macounii (I. M. Lamb) Dibben - Ladd et al. (1994: 136)
  223. Pertusaria ostiolata Dibben - Ladd et al. (1994: 136)
  224. Pertusaria pertusa (L.) Tuck. - Gier & Kendrick (1973: 213)
  225. Pertusaria plittiana Erichsen - Gier & Kendrick (1973: 213)
  226. Pertusaria propinqua Müll. Arg. - Gier & Kendrick (1973: 213 as Pertusaria marginata)
  227. Pertusaria pustulata (Ach.) Duby - Gier & Kendrick (1973: 213)
  228. Pertusaria subpertusa Brodo - Ladd et al. (1994: 136)
  229. Pertusaria tetrathalamia (Fée) Nyl. - Gier & Kendrick (1973: 213)

  230. Phaeographis eulectra (Tuck.) Zahlbr. - Gier & Kendrick (1973: 213)

  231. Phaeophyscia ciliata (Hoffm.) Moberg - Hale (1957: 158 as Physcia ciliata), Gier & Kendrick (1973: 213 as Physcia ciliata)
  232. Phaeophyscia orbicularis (Neck.) Moberg - Hale (1957: 158 as Physcia orbicularis)

  233. Phlyctis argena (Spreng.) Flot. - Ladd et al. (1994: 136)
  234. Physcia adscendens (Fr.) H. Olivier - Ladd et al. (1994: 136)
  235. Physcia aipolia (Ehrh. ex Humb.) Fürnr. var. aipolia - Hale (1957: 158), Gier & Kendrick (1973: 213)
  236. Physcia halei J. W. Thomson - Thomson (1963: 57 Type in WIS), Gier & Kendrick (1973: 213)
  237. Physcia lacinulata Müll. Arg. - Gier & Kendrick (1973: 213)
  238. Physcia millegrana Degel. - Hale (1957: 158), Gier & Kendrick (1973: 213)
  239. Physcia orbicularis (Neck.) Poetsch f. orbicularis - Gier & Kendrick (1973: 213)
  240. Physcia orbicularis (Neck.) Poetsch f. albociliata Thoms. - Gier & Kendrick (1973: 213)
  241. Physcia orbicularis (Neck.) Poetsch f. rubropulchra Degel. - Gier & Kendrick (1973: 213)
  242. Physcia setosa (Ach.) Nyl. - Gier & Kendrick (1973: 213)
  243. Physcia stellaris (L.) Nyl. - Hale (1957: 159), Gier & Kendrick (1973: 213)
  244. Physcia subtilis Degel. - Gier & Kendrick (1973: 213)
  245. Physcia syncolla Tuck. - Hale (1957: 159)
  246. Physcia teretiuscula (Ach.) Lynge - Gier & Kendrick (1973: 213)
  247. Physcia tribacoides Nyl. - Hale (1957: 159), Gier & Kendrick (1973: 213)

  248. Physconia leucoleiptes (Tuck.) Essl. - Ladd et al. (1994: 136 as Physconia kurokawae)
  249. Phyllopsora parvifolia (Pers.) Müll Arg. var. parvifolia - Gier & Kendrick (1973: 211 as Lecidea parvifolia)

  250. Physconia grisea (Lam.) Poelt - Hale (1957: 158 as Physcia grisea), Gier & Kendrick (1973: 214)
  251. Physconia pulverulenta (Schreb.) Poelt - Gier & Kendrick (1973: 214)

  252. Placidium arboreum (Schwein. ex E. Michener) Lendemer - Hale (1957: 157 as Dermatocarpon tuckermanii), Gier & Kendrick (1973: 210 as Dermatocarpon tuckermanii)
  253. Placidium lachneum (Ach.) A. L. Sm. - Gier & Kendrick (1973: 210 as Dermatocarpon lachneum)
  254. Placidium rufescens (Ach.) Th. Fr. - Gier & Kendrick (1973: 210 as Dermatocarpon rufescens)
  255. Placidium squamulosum (Ach.) Breuss - Gier & Kendrick (1973: 210 as Dermatocarpon hepaticum)

  256. Placynthium nigrum (Huds.) Gray var. nigrum - Gier & Kendrick (1973: 214)
  257. Placynthium petersii (Nyl.) Burnham - Gier & Kendrick (1973: 214)
  258. Placynthium stenophyllum (Tuck.) Fink - Gier & Kendrick (1973: 214)

  259. Polycauliona candelaria (L.) Frödén, Arup, & Søchting - Hale (1957: 159 as Xanthoria candelaria), Gier & Kendrick (1973: 215 as Xanthoria candelaria)
  260. Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting - Gier & Kendrick (1973: 215 as Xanthoria polycarpa)

  261. Polysporina simplex (Borrer ex Hook.) Vezda - Gier & Kendrick (1973: 214 as Sarcogyne simplex)

  262. Porpidia albocaerulescens (Wulf.) Hertel & Knoph - Gier & Kendrick (1973: 211 as Lecidea albocaerulescens)
  263. Porpidia subsimplex (H. Magn.) Fryday - Ladd et al. (1994: 137 as Porpidia tahawasiana)

  264. Protoparmeliopsis muralis (Schreb.) M. Choisy var. muralis - Gier & Kendrick (1973: 211 as Lecanora muralis)
  265. Protoparmeliopsis muralis (Schreb.) M. Choisy var. versicolor (Pers.) Ach. - Gier & Kendrick (1973: 211 as Lecanora versicolor)

  266. Pseudosagedia cestrensis (Tuck. ex E. Michener) R. C. Harris - Ladd et al. (1994: 137 as Porina cestrensis)

  267. Psora decipiens (Hedw.) Hoffm. - Gier & Kendrick (1973: 211 as Lecidea decipiens)
  268. Psora icterica (Mont.) Müll. Arg. - Ladd & Wilhelm (1986: 18), Lendemer (2008: 1)
  269. Psora rubiformis (Wahlenb. ex Ach.) Wahlenb. - Gier & Kendrick (1973: 211 as Lecidea rubiformis)

  270. Psorotichia schaereri (A. Massal.) Arnold - Ladd et al. (1994: 137)

  271. Psorula rufonigra (Tuck.) Gotth. Schneider - Gier & Kendrick (1973: 211 as Lecidea rufonigra), Ladd & Wilhelm (1986: 19)

  272. Punctelia bolliana (Müll. Arg.) Krog - Hale (1957: 157 as Parmelia bolliana), Gier & Kendrick (1973: 212 as Parmelia bolliana)
  273. Punctelia borreri (Sm.) Krog - Gier & Kendrick (1973: 212 as Parmelia borreri)
  274. Punctelia missouriensis G. Wilh. & Ladd - Wilhelm & Ladd (1992: 495 Type in MOR)
  275. Punctelia rudecta (Ach.) Krog - Hale (1957: 158 as Parmelia rudecta), Gier & Kendrick (1973: 212 as Parmelia rudecta)

  276. Pyrenopsis melambola Tuck. - Gier & Kendrick (1973: 214)
  277. Pyrenopsis pulvinata (Schaer.) Th. Fr. - Gier & Kendrick (1973: 214)

  278. Pyrenula caryae R. C. Harris - Harris (xx: xx Type)
  279. Pyrenula cuyabensis (Malme) R. C. Harris - Ladd et al. (1994: 137)
  280. Pyrenula nitida (Weig.) Ach. - Gier & Kendrick (1973: 214)

  281. Pyrenula ravenelii (Tuck.) R. C. Harris - Ladd et al. (1994: 137)
  282. Pyrenula subelliptica (Tuck.) R. C. Harris - Ladd et al. (1994: 137)
  283. Pyxine caesiopruinosa (Tuck.) Imsh. - Gier & Kendrick (1973: 214)
  284. Pyxine sorediata (Ach.) Mont. - Hale (1957: 159), Gier & Kendrick (1973: 214)

  285. Ramalina calicaris (L.) Röhl. - Gier & Kendrick (1973: 214), Gier & Kendrick (1973: 214 as Ramalina fastigiata var. subamplicata)
  286. Ramalina fastigiata (Pers.) Ach. - Hale (1957: 159)
  287. Ramalina intermedia (Delise ex Nyl.) Nyl. - Ladd & Wilhelm (1986: 19)

  288. Ramboldia cinnabarina (Sommerf.) Kalb, Lumbsch & Elix - Gier & Kendrick (1973: 211)
  289. Ramboldia russula (Ach.) Kalb, Lumbsch & Elix - Gier & Kendrick (1973: 211 as Lecidea russula)

  290. Rhizocarpon concentricum (Dav.) Beltr. - Gier & Kendrick (1973: 214 as Rhizocarpon concentricum)
  291. Rhizocarpon distinctum Th. Fr. - Ladd et al. (1994: 137)
  292. Rhizocarpon geographicum (L.) DC. - Gier & Kendrick (1973: 214)
  293. Rhizocarpon hochstetteri (Körb.) Vain. - Gier & Kendrick (1973: 214)

  294. Rhizoplaca chrysoleuca (Sm.) Zopf - Gier & Kendrick (1973: 211 as Lecanora chrysoleuca)
  295. Rhizoplaca melanophthalma (DC.) Leuckert & Poelt - Gier & Kendrick (1973: 211 as Lecanora melanophthalma)

  296. Rinodina tephraspis (Tuck.) Herre - Gier & Kendrick (1973: 214 as Rinodina kentuckyensis), Ladd et al. (1994: 137)

  297. Rufoplaca oxfordensis (Fink ex J. Hedrick) Arup, Søchting & Frödén - Gier & Kendrick (1973: 208 as Caloplaca oxfordensis)

  298. Santessoniella crossophylla (Tuck.) P. M. Jørg. - Lendemer & Anderson (2008: 74)

  299. Sarcogyne regularis Körb. - Gier & Kendrick (1973: 214)
  300. Sarcogyne similis H. Magn. - Ladd et al. (1994: 137)
  301. Scoliciosporum chlorococcum (Stenh.) Vezda - Gier & Kendrick (1973: 208 as Bacidia chlorococca)
  302. Scoliciosporum umbrinum (Ach.) Arnold - Ladd et al. (1994: 137)

  303. Scytinium apalachense (Tuck.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 211 as Leptogium apalachense)
  304. Scytinium dactylinum (Tuck.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 211 as Leptogium dactylinum)
  305. Scytinium juniperinum (Tuck.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 211 as Leptogium juniperinum)
  306. Scytinium lichenoides (L.) Otálora, P. M. Jørg. & Wedin - Gier & Kendrick (1973: 211 as Leptogium lichenoides)
  307. Scytinium subtile (Schrad.) Otálora, P.M. Jørg. & Wedin - Ladd et al. (1994: 135 as Leptogium minutissimum)

  308. Speerschneidera euploca (Tuck.) Trevisan - Gier & Kendrick (1973: 214), Hafellner & Egan (1981: 22)

  309. Squamulea galactophylla (Tuck.) Arup, Søchting & Frödén - Gier & Kendrick (1973: 208 as Caloplaca galactophylla)

  310. Sticta fuliginosa (Dicks.) Ach. - Gier & Kendrick (1973: 214)

  311. Strangospora moriformis (Ach.) Stein - Ladd et al. (1994: 137)

  312. Strigula submuriformis (R. C. Harris) R. C. Harris - Ladd et al. (1994: 137)

  313. Teloschistes chrysophthalmus (L.) Th. Fr. - Gier & Kendrick (1973: 214)

  314. Tephromela atra (Huds.) Hafellner - Gier & Kendrick (1973: 210 as Lecanora atra)

  315. Thelocarpon laureri (Flot.) Nyl. - Ladd et al. (1994: 137)

  316. Thelopsis flaveola Arnold - Ladd et al. (1994: 137)

  317. Trapelia glebulosa (Sm.) J. R. Laundon - Ladd et al. (1994: 138 as Trapelia involuta)

  318. Trapeliopsis flexuosa (Fr.) Coppins & P. James - Gier & Kendrick (1973: 211 as Lecidea flexuosa)

  319. Trypethelium virens Tuck. ex Michener in Darl. - Ladd et al. (1994: 138)

  320. Tuckermannopsis americana (Spreng.) Hale - Ladd & Wilhelm (1986: 19)
  321. Tuckermannopsis ciliaris (Ach.) Gyeln. - Ladd & Wilhelm (1986: 19)

  322. Umbilicaria mammulata (Ach.) Tuck. - Gier & Kendrick (1973: 214)

  323. Usnea amblyoclada (Müll. Arg.) Zahlbr. - Clerc & Herrera-Campos (1997: 287)

  324. Usnea angulata Ach. - Ladd & Wilhelm (1986: 20)
  325. Usnea ceratina Ach. - Gier & Kendrick (1973: 214)
  326. Usnea florida (L.) Weber ex F. H. Wigg. - Gier & Kendrick (1973: 214)
  327. Usnea herrei Hale - Gier & Kendrick (1973: 214)
  328. Usnea hirta (L.) Weber ex F. H. Wigg. subsp. minutissima (Mereschk.) Erichs. - Gier & Kendrick (1973: 214)
  329. Usnea mutabilis Stirt. - Gier & Kendrick (1973: 214)
  330. Usnea rubiginea (Michx.) A. Massal. - Gier & Kendrick (1973: 214)
  331. Usnea strigosa (Ach.) Pers. - Hale (1957: 159), Gier & Kendrick (1973: 214)
  332. Usnea subfloridana Stirt. - Gier & Kendrick (1973: 214)
  333. Usnea trichodea Ach. - Gier & Kendrick (1973: 214)
  334. Usnea tristis Motyka - Gier & Kendrick (1973: 214)

  335. Vahliella leucophaea (Vahl) P. M. Jørg. - Gier & Kendrick (1973: 212 as Pannaria microphylla)

  336. Varicellaria velata (Turner) I. Schmitt & Lumbsch - Gier & Kendrick (1973: 213 as Pertusaria velata), Ladd et al. (1994: 136 as Pertusaria pulchella)

  337. Verrucaria calkinsiana Servit - Ladd et al. (1994: 138)
  338. Verrucaria fuscella (Turner) Winch - Gier & Kendrick (1973: 214)
  339. Verrucaria muralis Ach. - Gier & Kendrick (1973: 215 as Verrucaria submuralis)
  340. Verrucaria nigrescens Pers. - Gier & Kendrick (1973: 214)
  341. Verrucaria nigrescentoidea Fink ex J. Hedrick - Gier & Kendrick (1973: 214)
  342. Verrucaria sordida Fink - Gier & Kendrick (1973: 214)

  343. Vulpicida viridis (Schwein.) J.-E. Mattsson & M. J. Lai - Gier & Kendrick (1973: 208 as Cetraria juniperina), Gier & Kendrick (1973: 208 as Cetraria viridis)

  344. Xanthomendoza fallax (Hepp ex Arnold) Søchting, Kärnefelt & S. Y. Kondr. - Gier & Kendrick (1973: 215 as Xanthoria fallax)

  345. Xanthoparmelia angustiphylla (Gyeln.) Hale - Gier & Kendrick (1973: 212 erroneously as Parmelia hypopsila)
  346. Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale - Gier & Kendrick (1973: 212 as Parmelia conspersa)
  347. Xanthoparmelia cumberlandia (Gyeln.) Hale - Gier & Kendrick (1973: 212 as Parmelia cumberlandia)
  348. Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer - Gier & Kendrick (1973: 213 as Parmelia tasmanica)
  349. Xanthoparmelia hypomelaena (Hale) Hale - Gier & Kendrick (1973: 212 as Parmelia hypomelaena)
  350. Xanthoparmelia mexicana (Gyeln.) Hale - Ladd & Wilhelm (1986: 20)
  351. Xanthoparmelia neotaractica Hale - Ladd et al. (1994: 138)
  352. Xanthoparmelia piedmontensis (Hale) Hale - Ladd et al. (1994: 138)
  353. Xanthoparmelia subramigera (Gyeln.) Hale - Gier & Kendrick (1973: 212 as Parmelia subramigera)

  354. Xanthoria parietina (L.) Th. Fr. - Gier & Kendrick (1973: 215)

  355. Xylopsora friesii (Ach.) Bendiksby & Timdal - Ladd et al. (1994: 134 as Hypocenomyce friesii)

  356. Zwackhia viridis (Pers. ex Ach.) Poetsch & Schied. - Gier & Kendrick (1973: 212 as Opegrapha viridis)