Checklist of lichens and lichenicolous fungi of Illinois (USA)
Preliminary version 1 July 2006. A complete version in in preparation by R. Lücking

  1. Allarthonia caesia Flot. - Skorepa (1970: 78)

  2. Amandinea punctata (Hoffm.) Coppins & Scheideg. - Skorepa (1970: 78)

  3. Anaptychia palmulata (Michx.) Vain. - Wilhelm & Ladd (1985: 213)

  4. Anisomeridium biforme - Wilson & Methven (1997: 450)
  5. Anisomeridium nyssaegenum (El. & Ev.) R. C. Harris - McKnight et al. (1987: 26)

  6. Anzia colpodes (Ach.) Stizenb. - Wilhelm & Ladd (1985: 213)

  7. Arthopyrenia biformis (Borr.) A. Massal. - Skorepa (1970: 78)

  8. Bacidia inundata (Fr.) Körb. - Skorepa (1970: 78)

  9. Buellia stillingiana - Wilson & Methven (1997: 450)
  10. Buellia wheeleri - Wilson & Methven (1997: 450)

  11. Caloplaca arenaria (Pers.) Müll. Arg. - McKnight et al. (1987: 26)
  12. Caloplaca cerina - Wilson & Methven (1997: 450)
  13. Caloplaca feracissima H. Magn. - McKnight et al. (1987: 26)

  14. Caloplaca flavovirescens (Wulf.) Dalla Torre & Sarnth. - Skorepa (1970: 78)
  15. Caloplaca microphyllina (Tuck.) Hasse - Skorepa (1970: 78)

  16. Candelaria concolor (Dicks.) B. Stein - Skorepa (1970: 78), Wilhelm & Ladd (1985: 213), Wilhelm & Lampa (1987: 46), Wilson & Methven (1997: 450)

  17. Candelaria vitellina (Ehrh.) Müll. Arg. - Skorepa (1970: 78)

  18. Candelariella efflorescens R. C. Harris & Buck - McKnight et al. (1987: 27)
  19. Candelariella reflexa - Wilson & Methven (1997: 450)
  20. Candelariella xanthostigma - McKnight et al. (1987: 27), Wilson & Methven (1997: 450)

  21. Canoparmelia crozalsiana - Wilson & Methven (1997: 450)

  22. Cetraria arenaria Kärnefelt - McKnight et al. (1987: 27)

  23. Cladonia apodocarpa Robb. - Wilhelm & Ladd (1985: 215)
  24. Cladonia atlantica Evans - Wilhelm & Ladd (1985: 215)
  25. Cladonia bacillaris (Ach.) Nyl. - Wilhelm & Ladd (1985: 215), Wilhelm & Lampa (1987: 47)
  26. Cladonia caespititia (Pers.) Flörke - Skorepa (1970: 78), Wilhelm & Ladd (1985: 216)
  27. Cladonia capitata (Michx.) Spreng. - Wilhelm & Ladd (1985: 216)
  28. Cladonia cariosa (Ach.) Spreng. - Wilhelm & Ladd (1985: 216)
  29. Cladonia caroliniana (Schwein.) Tuck. - Wilhelm & Ladd (1985: 216)
  30. Cladonia cervicornis (Ach.) Flot. subsp. verticillata (Hoffm.) Ahti - Wilhelm & Lampa (1987: 47)
  31. Cladonia chlorophaea (Flörke) Spreng. - Stotler (1976: 9), Wilhelm & Ladd (1985: 216), Wilhelm & Lampa (1987: 47)
    Cladonia clavulifera - Stotler (1976: 9)
  32. Cladonia coniocraea (Flörke) Spreng. - Wilhelm & Ladd (1985: 216), Wilhelm & Lampa (1987: 47)
  33. Cladonia cristatella Tuck. - Skorepa (1970: 78), Stotler (1976: 9), Wilhelm & Ladd (1985: 217), Wilhelm & Lampa (1987: 47)
    Cladonia cryptochlorophaea Asahina - Wilhelm & Lampa (1987: 47)
    Cladonia cylindrica (A. Evans) A. Evans - Wilhelm & Lampa (1987: 47)
  34. Cladonia decorticata (Flörke) Spreng. - Skorepa (1970: 78)
    Cladonia didyma (Fée) Vain. - Wilhelm & Lampa (1987: 48)
    Cladonia fimbriata (L.) Fr. - , Wilhelm & Lampa (1987: 47)
  35. Cladonia furcata (Huds.) Schrad. - Skorepa (1970: 78), Wilhelm & Ladd (1985: 217), Wilhelm & Lampa (1987: 48)
    Cladonia grayi G. K. Merr. ex Sandst. - Wilhelm & Lampa (1987: 48)
  36. Cladonia homosekikaica Nuno - McKnight et al. (1987: 28)
  37. Cladonia multiformis G. K. Merr. - McKnight et al. (1987: 28), Wilhelm & Lampa (1987: 48)
    Cladonia peziziformis (With.) Laundon - Wilhelm & Lampa (1987: 48)
  38. Cladonia piedmontensis Merr. - Wilhelm & Ladd (1985: 217), Wilhelm & Lampa (1987: 48)
  39. Cladonia pleurota (Flörke) Schaer. - Wilhelm & Ladd (1985: 217), Wilhelm & Lampa (1987: 48)
  40. Cladonia polycarpoides Nyl. - Wilhelm & Ladd (1985: 217), Wilhelm & Lampa (1987: 48)
  41. Cladonia pyxidata (L.) Hoffm. - Skorepa (1970: 78)
    Cladonia ramulosa (With.) Laundon - Wilhelm & Lampa (1987: 48)
    Cladonia rangiferina - Stotler (1976: 9)
    Cladonia rei Schaer. - Wilhelm & Lampa (1987: 48)
  42. Cladonia robbinsii Evans - Skorepa (1970: 79), Wilhelm & Ladd (1985: 217)
  43. Cladonia squamosa (Scop.) Hoffm. - Wilhelm & Ladd (1985: 218)
  44. Cladonia strepsilis (Ach.) Vain. - Wilhelm & Ladd (1985: 218)
  45. Cladonia subtenuis (Abb.) Evans - Skorepa (1970: 79), Wilhelm & Ladd (1985: 214 as Cladina subtenuis), Wilhelm & Lampa (1987: 46 as Cladina subtenuis)
  46. Cladonia uncialis (L.) Wigg. - Skorepa (1970: 79), Wilhelm & Ladd (1985: 218)

  47. Collema conglomeratum Hoffm. - Wilhelm & Ladd (1985: 218)
  48. Collema flaccidum (Ach.) Ach. - Wilhelm & Ladd (1985: 218)
  49. Collema furfuraceum (Arnold) DuRietz - Wilhelm & Ladd (1985: 218)
  50. Collema subflaccidum Degel. - Wilhelm & Ladd (1985: 218)

  51. Coniocybe furfuracea (L.) Ach. - McKnight et al. (1987: 28)

  52. Cyphelium tigillare (Ach.) Ach. - Skorepa (1970: 79)

  53. Cystocoleus ebeneus (Dillw.) Th. - McKnight et al. (1987: 28)

  54. Dermatocarpon americanum Vain. - Heidmarsson (2003: 466)
  55. Dermatocarpon lachneum (Ach.) A. L. Sm. - Wilhelm & Ladd (1985: 219)
  56. Dermatocarpon miniatum (L.) Mann - Skorepa (1970: 79), Stotler (1976: 9), Wilhelm & Ladd (1985: 219), Wilhelm & Lampa (1987: 48)
  57. Dermatocarpon tuckermanii (Rav.) Zahlbr. - Wilhelm & Ladd (1985: 219)

  58. Dirinaria frostii (Tuck.) Hale & W. Culb. - Wilhelm & Ladd (1985: 219)

  59. Endocarpon pusillum Hedw. - Skorepa (1970: 79)

  60. Evernia mesomorpha Nyl. - McKnight et al. (1987: 28), Wilhelm & Lampa (1987: 49)

  61. Flavoparmelia caperata (L.) Hale - Skorepa (1970: 79 sub Parmelia caperata), Wilhelm & Ladd (1985: 228), Wilhelm & Lampa (1987: 49), Wilson & Methven (1997: 450)

  62. Flavopunctelia flaventior (Stirt.) Hale - McKnight et al. (1987: 29), Wilhelm & Lampa (1987: 49)
  63. Flavopunctelia soredica (Nyl.) Hale - McKnight et al. (1987: 29), Wilhelm & Lampa (1987: 49)
  64. Graphis scripta (L.) Ach. - Skorepa (1970: 79), Wilson & Methven (1997: 450)

    Heppia lutosa (Ach.) Nyl. - Wilhelm & Lampa (1987: 49)

  65. Heterodermia albicans (Pers.) Swinscow & Krog - Wilhelm & Ladd (1985: 220), Wilson & Methven (1997: 450)
  66. Heterodermia granulifera xxx - Wilson & Methven (1997: 450)
  67. Heterodermia obscurata (Nyl.) Trev. - Wilhelm & Ladd (1985: 220)
  68. Heterodermia speciosa (Wulf.) Trev. - Wilhelm & Ladd (1985: 220)
  69. Heterodermia tremulans (Müll. Arg.) W. Culb. - Skorepa (1970: 79)

    Hyperphyscia adglutinata (Flörke) Poelt & Vezda - Wilhelm & Lampa (1987: 49)

  70. Hyperphyscia syncolla xxx - Wilson & Methven (1997: 450)

  71. Hypocenomyce scalaris (Ach.) M. Choisy - McKnight et al. (1987: 28)

    Hypogymnia physodes (L.) W. Wats. - Wilhelm & Lampa (1987: 49)

  72. Hypotrachyna livida (Taylor) Hale - Wilhelm & Ladd (1985: 220), Wilson & Methven (1997: 450)
  73. Hypotrachyna pustulifera (Hale) Skorepa - McKnight et al. (1987: 29)

  74. Lasallia papulosa (Ach.) Llano - Cohen (2002: 521)

  75. Lecanora dispersa (Pers.) Somm. - Skorepa (1970: 79)
  76. Lecanora hybocarpa xxx - Wilson & Methven (1997: 450)
  77. Lecanora muralis (Schreb.) Ach. - Wilhelm & Ladd (1985: 220), Wilhelm & Lampa (1987: 50)
  78. Lecanora rubina (Vill.) Ach. - Skorepa (1970: 79 sub Lecanora rubina)
  79. Lecanora strobilina xxx - Wilson & Methven (1997: 450)
  80. Lecanora symmicta (Ach.) Ach. - Skorepa (1970: 79)

  81. Lecidea russellii Tuck. - Skorepa (1970: 79)

  82. Lepraria finkii (B. deLesd.) R. C. Harris - McKnight et al. (1987: 29)
  83. Lepraria incana (L.) Ach. - McKnight et al. (1987: 30)
  84. Lepraria lobificans Nyl. - McKnight et al. (1987: 30)
    Lepraria membranacea - Stotler (1976: 9)

  85. Leptogium austroamericanum (Malme) Dodge - Wilhelm & Ladd (1985: 221)
  86. Leptogium cyanescens (Ach.) Körb. - Wilhelm & Ladd (1985: 221), Wilhelm & Lampa (1987: 50)
  87. Leptogium dactylinum Tuck. - Wilhelm & Ladd (1985: 221), Wilhelm & Lampa (1987: 50)
  88. Leptogium lichenoides (L.) Zahlbr. - Stotler (1976: 9), Wilhelm & Ladd (1985: 221)
  89. Leptogium milligranum Sierk - Wilhelm & Ladd (1985: 221)
  90. Leptogium tenuissimum (Dicks.) Fr. - Wilhelm & Ladd (1985: 221)

  91. Leptorhaphis atomaria (Ach.) Szat. - McKnight et al. (1987: 31)
  92. Loxospora pustulata - Wilson & Methven (1997: 450)

    Melanelia subaurifera Nyl. - Wilhelm & Lampa (1987: 50 as Parmelia subaurifera)

  93. Myelochroa aurulenta Tuck. - Skorepa (1970: 79 sub Parmelia aurulenta), Wilhelm & Ladd (1985: 222 as Parmelina aurulenta), Wilhelm & Lampa (1987: 50 as Parmelina aurulenta), Wilson & Methven (1997: 450)
  94. Myelochroa galbina - Wilhelm & Ladd (1985: 222 as Parmelina galbina), Wilson & Methven (1997: 450)

  95. Opegrapha vulgata - Wilson & Methven (1997: 450)

  96. Parmelia bolliana Müll. Arg. - Skorepa (1970: 79 sub Parmelia bolliana)
  97. Parmelia dierythra Hale - Skorepa (1970: 79 sub Parmelia dierythra)
  98. Parmelia hypoleucites Nyl. - Skorepa (1970: 79 sub Parmelia hypoleucites), Wilhelm & Ladd (1985: 222)
    Parmelia squarrosa Hale - Wilhelm & Lampa (1987: 50)
  99. Parmelia sulcata Tayl. - Skorepa (1970: 79 sub Parmelia sulcata), Wilhelm & Lampa (1987: 50)

  100. Parmelina obsessa (Ach.) Hale - Wilhelm & Ladd (1985: 223)

  101. Parmotrema eurysacum (Hue) Hale - Wilhelm & Ladd (1985: 223)
  102. Parmotrema hypotropum (Nyl.) Hale - Wilhelm & Ladd (1985: 223), Wilson & Methven (1997: 450)
  103. Parmotrema madagascariaceum (Hue) Hale - Stotler (1976: 9 as Parmelia madagascariacea), Wilhelm & Ladd (1985: 223)
  104. Parmotrema michauxianum (Zahlbr.) Hale - Wilhelm & Ladd (1985: 224)
  105. Parmotrema reticulatum (Taylor) M. Choisy - Wilhelm & Ladd (1985: 224), Wilhelm & Lampa (1987: 50)

  106. Peltigera canina (L.) Willd. - Skorepa (1970: 79), Stotler (1976: 9), Wilhelm & Ladd (1985: 224), Wilhelm & Lampa (1987: 51)
  107. Peltigera polydactyla (Neck.) Hoffm. - Wilhelm & Ladd (1985: 224)

  108. Phaeophyscia adiastola (Essl.) Essl. - Wilhelm & Ladd (1985: 225), Wilhelm & Lampa (1987: 51)
  109. Phaeophyscia cernohorskyi (Nadv.) Essl. - Wilhelm & Ladd (1985: 225), Wilhelm & Lampa (1987: 51), Wilson & Methven (1997: 450)
  110. Phaeophyscia ciliata - Wilhelm & Lampa (1987: 51), Wilson & Methven (1997: 450)
  111. Phaeophyscia hirtella - Wilson & Methven (1997: 450)
  112. Phaeophyscia imbricata (Vain.) Essl. - Wilhelm & Ladd (1985: 225), Wilhelm & Lampa (1987: 51)
  113. Phaeophyscia leana (Tuck.) Essl. - Skorepa (1984: 257)
  114. Phaeophyscia orbicularis - Wilson & Methven (1997: 450), Wilhelm & Lampa (1987: 51)
  115. Phaeophyscia pusilloides (Zahlbr.) Essl. - Wilhelm & Ladd (1985: 225), Wilhelm & Lampa (1987: 51), Wilson & Methven (1997: 450)
  116. Phaeophyscia rubropulchra (Degel.) Moberg - Wilhelm & Ladd (1985: 226), Wilhelm & Lampa (1987: 52), Wilson & Methven (1997: 450)

    Physcia adscendens (Th. Fr.) H. Oliv. - Wilhelm & Lampa (1987: 52)

  117. Physcia aipolia (Ehrh.) Hampe - Skorepa (1970: 79), Wilhelm & Ladd (1985: 226)
  118. Physcia americana - Wilhelm & Ladd (1985: 226), Wilhelm & Lampa (1987: 52), Wilson & Methven (1997: 450)
  119. Physciella chloantha (Ach.) Essl. - Wilhelm & Ladd (1985: 226 as Physcia chloantha), Wilhelm & Lampa (1987: 52)
  120. Physcia ciliata (Hoffm.) DR. - Skorepa (1970: 80)
  121. Physcia elaeina (Sm.) A. L. Sm. - Skorepa (1970: 80)
  122. Physcia grisea (Lam.) Zahlbr. - Skorepa (1970: 80 sub Physcia grisea)
  123. Physcia lacinulata Müll. Arg. - Skorepa (1970: 80)
  124. Physcia millegrana Degel. - Skorepa (1970: 80), Wilhelm & Ladd (1985: 227), Wilhelm & Lampa (1987: 52), Wilson & Methven (1997: 450)
  125. Physcia orbicularis (Neck.) Poetsch - Skorepa (1970: 80)
  126. Physcia phaea (Tuck.) Thoms. - Wilhelm & Ladd (1985: 227)
  127. Physcia stellaris (L.) Nyl. - Skorepa (1970: 80), Wilhelm & Ladd (1985: 227), Wilhelm & Lampa (1987: 52)
  128. Physcia subtilis Degel. - Wilhelm & Ladd (1985: 227)
  129. Physcia syncolla Tuck. - Skorepa (1970: 80), Wilhelm & Ladd (1985: 227 as Physciopsis syncolla)
  130. Physcia tribacoides Nyl. - Skorepa (1970: 80)

  131. Physconia detersa - Wilhelm & Ladd (1985: 227), Wilhelm & Lampa (1987: 52), Wilson & Methven (1997: 450)
  132. Physconia kurokawae - Wilson & Methven (1997: 450)

  133. Placynthiella icmalea - McKnight et al. (1987: 31)
  134. Placynthiella uliginosa (Schrad.) xxx - Skorepa (1970: 79 sub Lecidea uliginosa)

  135. Placynthium nigrum (Huds.) S. Gray - Skorepa (1970: 80), Wilhelm & Ladd (1985: 228), Wilhelm & Lampa (1987: 53)

  136. Porina salicina - Wilson & Methven (1997: 450)

  137. Pseudoparmelia baltimorensis (Gyeln. & Forss.) Hale - Wilhelm & Ladd (1985: 228)
  138. Pseudoparmelia crozalsiana (B. de Lesd. ex Harm.) Hale - Wilhelm & Ladd (1985: 228)

    Punctelia bolliana (Müll. Arg.) Krog - Wilhelm & Lampa (1987: 53)

  139. Punctelia missouriensis - Wilson & Methven (1997: 450)
  140. Punctelia rudecta (Ach.) Krog - Skorepa (1970: 79 sub Parmelia rudecta), Wilhelm & Ladd (1985: 222 as Parmelia rudecta), Wilhelm & Lampa (1987: 53), Wilson & Methven (1997: 450)
  141. Punctelia subrudecta (Nyl.) Krog - Skorepa (1970: 79 sub Parmelia subrudecta), Wilhelm & Ladd (1985: 222 as Parmelia subrudecta), Wilhelm & Lampa (1987: 53)

  142. Pyxine caesiopruinosa (Nyl.) Imsh. - Wilhelm & Ladd (1985: 228), Wilhelm & Lampa (1987: 53)
  143. Pyxine sorediata (Ach.) Mont. - Skorepa (1970: 80), Wilhelm & Ladd (1985: 229), Wilhelm & Lampa (1987: 53), Wilson & Methven (1997: 450)
  144. Pyxine subcinerea - Wilson & Methven (1997: 450)

  145. Ramalina intermedia Nyl. - Wilhelm & Ladd (1985: 229)
  146. Ramalina unifolia - Wilson & Methven (1997: 450)

  147. Rimelia reticulata - Wilson & Methven (1997: 450)

  148. Rinodina ascociscana - Wilson & Methven (1997: 450)
  149. Rinodina oreina (Ach.) A. Massal. - Skorepa (1970: 80)
  150. Rinodina subminuta - Wilson & Methven (1997: 450)

  151. Sarcogyne similis
  152. Sarcogyne simplex (Dav.) Nyl. - Skorepa (1970: 80)

  153. Scoliciospora chlorochoccum - Wilson & Methven (1997: 450)

  154. Trapeliopsis flexuosa (Fr.) xxx - Skorepa (1970: 79 as Lecidea flexuosa)

  155. Usnea mutabilis Stirt. - Stotler (1976: 9), Wilhelm & Ladd (1985: 229), Wilson & Methven (1997: 450)
  156. Usnea strigosa (Ach.) Eat. - Wilhelm & Ladd (1985: 229), Wilhelm & Lampa (1987: 53)

  157. Verrucaria calkinsiana Serv. - McKnight et al. (1987: 31)

  158. Xanthomendoza fallax (Hepp) Söchting, Kärnefelt & S. Kondr. - Skorepa (1970: 80 as Xanthoria fallax), Wilhelm & Ladd (1985: 231 as Xanthoria fallax), Wilhelm & Lampa (1987: 53 as Xanthoria fallax)

  159. Xanthoria candelaria (L.) Th. Fr. - Wilhelm & Ladd (1985: 231), Wilhelm & Lampa (1987: 53)
    Xanthoria polycarpa (Hoffm.) Rieber - Wilhelm & Lampa (1987: 53)

  160. Xanthoparmelia conspersa (Ach.) Hale - Stotler (1976: 9), Wilhelm & Ladd (1985: 229)
  161. Xanthoparmelia cumberlandia (Gyeln.) Hale - Wilhelm & Ladd (1985: 230)
  162. Xanthoparmelia hypopsila (Müll. Arg.) Hale - Wilhelm & Ladd (1985: 230)
  163. Xanthoparmelia plittii (Gyeln.) Hale - Wilhelm & Ladd (1985: 230)
  164. Xanthoparmelia tasmanica (Hook. & Taylor) Hale - Wilhelm & Ladd (1985: 230)