Thaxterogaster


Thaxterogaster is a genus of fungi in the family Cortinariaceae.

Taxonomy

The genus was created in 1951 by the German mycologist Rolf Singer to contain the novel species Thaxterogaster magellanicum and Thaxterogaster violaceum. Several other species were placed in this genus in the subsequent decades but then reclassified as Cortinarius or Descolea species.
In 2022 the family Cortinariaceae, which previously contained only the one genus of Cortinarius was reclassified based on genomic data and split into the genera of Cortinarius, Aureonarius, Austrocortinarius, Calonarius, Cystinarius, Hygronarius, Mystinarius, Phlegmacium, Thaxterogaster and Volvanarius. Numerous Cortinarius species were transferred into the genus of Thaxterogaster as a result of this work.
The genus is further divided with subgenus and section classifications:
  • Thaxterogaster subgenus Cretaces includes the section: Cretaces.
  • Thaxterogaster subgenus Thaxterogaster includes the sections: Alboaggregati and Thaxterogaster.
  • Thaxterogaster subgenus Multiformes includes the sections: Multiformes.
  • Thaxterogaster subgenus Riederorum includes the sections: Riederorum.
  • Thaxterogaster subgenus Scauri includes the sections: Scauri and Purpurascentes.
  • Thaxterogaster subgenus Variegati includes the sections: ''Variegati.''

Etymology

Thaxterogaster is named for the mycologist Roland Thaxter who deposited a specimen at the Farlow Herbarium under the name Secotium magellanicum. This specimen was examined by Singer and used as the basis for his description of Thaxterogaster magellanicum. The genus is named for Thaxter whilst 'gaster' refers to the, now obsolete, class Gasteromycetes since the species is gasteroid in form.

Species

As of January 2023, Index Fungorum#Current names in [Index Fungorum (Species Fungorum)|Species Fungorum] accepted 136 species of Thaxterogaster.
  1. Thaxterogaster aggregatus Niskanen & Liimat.
  2. Thaxterogaster alboaggregatus Niskanen & Liimat.
  3. Thaxterogaster alboamarescens Niskanen & Liimat.
  4. Thaxterogaster anomalochrascens Niskanen & Liimat.
  5. Thaxterogaster argenteolilacinus Niskanen & Liimat.
  6. Thaxterogaster argyrionus Niskanen & Liimat.
  7. Thaxterogaster armenicorius Niskanen & Liimat.
  8. Thaxterogaster artosoides Soop, J.A. Cooper, A.R. Nilsen & Orlovich & N. Siegel
  9. Thaxterogaster aurantionapus Niskanen & Liimat.
  10. Thaxterogaster australis Niskanen & Liimat.
  11. Thaxterogaster austrocyanites Niskanen & Liimat.
  12. Thaxterogaster austrosaginus Niskanen & Liimat.
  13. Thaxterogaster austroturmalis Niskanen & Liimat.
  14. Thaxterogaster austrovaginatus Niskanen & Liimat.
  15. Thaxterogaster barbatus Niskanen & Liimat.
  16. Thaxterogaster burlinghamiae Niskanen & Liimat.
  17. Thaxterogaster caesibulga Niskanen & Liimat.
  18. Thaxterogaster caesiolamellatus Niskanen & Liimat.
  19. Thaxterogaster caesiophylloides Niskanen & Liimat.
  20. Thaxterogaster caledoniensis Niskanen & Liimat.
  21. Thaxterogaster castoreus Niskanen & Liimat.
  22. Thaxterogaster causticus Niskanen & Liimat.
  23. Thaxterogaster cervinus Niskanen & Liimat.
  24. Thaxterogaster chalybeus Niskanen & Liimat.
  25. Thaxterogaster chlorophyllus Niskanen & Liimat.
  26. Thaxterogaster cinereoroseolus Niskanen & Liimat.
  27. Thaxterogaster collocandoides Niskanen & Liimat.
  28. Thaxterogaster columbinus Niskanen & Liimat.
  29. Thaxterogaster comarostaphylidis Niskanen & Liimat.
  30. Thaxterogaster comparoides Niskanen & Liimat.
  31. Thaxterogaster corrugis Niskanen & Liimat.
  32. Thaxterogaster cremeolina Niskanen & Liimat.
  33. Thaxterogaster cremeorufus Niskanen & Liimat.
  34. Thaxterogaster crenulatus Niskanen & Liimat.
  35. Thaxterogaster cretax Niskanen & Liimat.
  36. Thaxterogaster croceocoeruleus Niskanen & Liimat.
  37. Thaxterogaster crypticus Niskanen & Liimat.
  38. Thaxterogaster dulcamarus Niskanen & Liimat.
  39. Thaxterogaster dulciorum Niskanen & Liimat.
  40. Thaxterogaster eburneus Niskanen & Liimat.
  41. Thaxterogaster effundens Niskanen & Liimat.
  42. Thaxterogaster emollitoides Niskanen & Liimat.
  43. Thaxterogaster emollitus Niskanen & Liimat.
  44. Thaxterogaster eumarginatus Niskanen & Liimat.
  45. Thaxterogaster fiordlandensis Niskanen & Liimat.
  46. Thaxterogaster frondosomultiformis Niskanen & Liimat.
  47. Thaxterogaster fuligineofolius Niskanen & Liimat.
  48. Thaxterogaster fulvo-ochrascens ochrascens Niskanen & Liimat.
  49. Thaxterogaster galeobdolon Niskanen & Liimat.
  50. Thaxterogaster genuinus Niskanen & Liimat.
  51. Thaxterogaster glacialis Niskanen & Liimat.
  52. Thaxterogaster glaucocyanopus Niskanen & Liimat.
  53. Thaxterogaster herpeticus Niskanen & Liimat.
  54. Thaxterogaster imbricatoides Niskanen & Liimat.
  55. Thaxterogaster iringa Niskanen & Liimat.
  56. Thaxterogaster ixomolynus Niskanen & Liimat.
  57. Thaxterogaster kaimanawa Niskanen & Liimat.
  58. Thaxterogaster laquellus Niskanen & Liimat.
  59. Thaxterogaster largoides Niskanen & Liimat.
  60. Thaxterogaster leucoluteolus Niskanen & Liimat.
  61. Thaxterogaster leucophanes Niskanen & Liimat.
  62. Thaxterogaster lilaceolamellatus Niskanen & Liimat.
  63. Thaxterogaster lustratus Niskanen & Liimat.
  64. Thaxterogaster luteofuscus Niskanen & Liimat.
  65. Thaxterogaster magellanicus Singer
  66. Thaxterogaster magicus Niskanen & Liimat.
  67. Thaxterogaster malachioides Niskanen & Liimat.
  68. Thaxterogaster malvaceus Niskanen & Liimat.
  69. Thaxterogaster mariae Niskanen & Liimat.
  70. Thaxterogaster medioscaurus Niskanen & Liimat.
  71. Thaxterogaster melleicarneus Niskanen & Liimat.
  72. Thaxterogaster mendax Niskanen & Liimat.
  73. Thaxterogaster microspermus Niskanen & Liimat.
  74. Thaxterogaster monaensis Liimat., Danhao Wang & Niskanen
  75. Thaxterogaster montanus Niskanen & Liimat.
  76. Thaxterogaster multiformis Niskanen & Liimat.
  77. Thaxterogaster mutabilis Niskanen & Liimat.
  78. Thaxterogaster myxenosma Niskanen & Liimat.
  79. Thaxterogaster myxoclaricolor Niskanen & Liimat.
  80. Thaxterogaster nebulobrunneus Niskanen & Liimat.
  81. Thaxterogaster occidentalis Niskanen & Liimat.
  82. Thaxterogaster ochroamarus Niskanen & Liimat.
  83. Thaxterogaster ochroleucus Niskanen & Liimat.
  84. Thaxterogaster ochropudorinus Niskanen & Liimat.
  85. Thaxterogaster olivaceus Niskanen & Liimat.
  86. Thaxterogaster olorinatus Niskanen & Liimat.
  87. Thaxterogaster oregonensis Niskanen & Liimat.
  88. Thaxterogaster ovreboi Niskanen & Liimat.
  89. Thaxterogaster pallidirimosus Niskanen & Liimat.
  90. Thaxterogaster pallidoriederi Niskanen & Liimat.
  91. Thaxterogaster parapluvius Niskanen & Liimat.
  92. Thaxterogaster parksianus Niskanen & Liimat.
  93. Thaxterogaster parolivascens Niskanen & Liimat.
  94. Thaxterogaster periclymenus Niskanen & Liimat.
  95. Thaxterogaster peristeris Niskanen & Liimat.
  96. Thaxterogaster permagnificus Niskanen & Liimat.
  97. Thaxterogaster persicanus Niskanen & Liimat.
  98. Thaxterogaster picoides Niskanen & Liimat.
  99. Thaxterogaster pinophilus Niskanen & Liimat.
  100. Thaxterogaster pluvialis Niskanen & Liimat.
  101. Thaxterogaster pluvius Niskanen & Liimat.
  102. Thaxterogaster porphyropus Niskanen & Liimat.
  103. Thaxterogaster pseudoarquatus Niskanen & Liimat.
  104. Thaxterogaster pseudominor Niskanen & Liimat.
  105. Thaxterogaster pseudotalus Niskanen & Liimat.
  106. Thaxterogaster pseudotriumphans Niskanen & Liimat.
  107. Thaxterogaster psilomorphus Niskanen & Liimat.
  108. Thaxterogaster pugionipes Niskanen & Liimat.
  109. Thaxterogaster purpurascens Niskanen & Liimat.
  110. Thaxterogaster reginae Niskanen, Liimat., Kytöv. & Danhao Wang
  111. Thaxterogaster rhipiduranus Niskanen & Liimat.
  112. Thaxterogaster rhodophyllus Niskanen & Liimat.
  113. Thaxterogaster riederi Niskanen & Liimat.
  114. Thaxterogaster rufoallutus Niskanen & Liimat.
  115. Thaxterogaster scaurus Niskanen & Liimat.
  116. Thaxterogaster singularis Niskanen & Liimat.
  117. Thaxterogaster sphagnophilus Niskanen & Liimat.
  118. Thaxterogaster stilazureus Niskanen & Liimat.
  119. Thaxterogaster subinops Niskanen & Liimat.
  120. Thaxterogaster submagellanicus Niskanen & Liimat.
  121. Thaxterogaster subporphyropus Niskanen & Liimat.
  122. Thaxterogaster subpurpurascens Niskanen & Liimat.
  123. Thaxterogaster subsebaceus Niskanen & Liimat.
  124. Thaxterogaster talimultiformis Niskanen & Liimat.
  125. Thaxterogaster talus Niskanen & Liimat.
  126. Thaxterogaster thalliopurpurascens Niskanen & Liimat.
  127. Thaxterogaster turcopes Niskanen & Liimat.
  128. Thaxterogaster turmalis Niskanen & Liimat.
  129. Thaxterogaster ultimus Liimat., Danhao Wang, D. Savage & Niskanen
  130. Thaxterogaster urbiculus Niskanen & Liimat.
  131. Thaxterogaster variegatus Niskanen & Liimat.
  132. Thaxterogaster verniciorum Niskanen & Liimat.
  133. Thaxterogaster vespertinus Niskanen & Liimat.
  134. Thaxterogaster vibratilis Niskanen & Liimat.
  135. Thaxterogaster violaceonitens Niskanen & Liimat.
  136. Thaxterogaster virentophyllus Niskanen & Liimat.
  137. Thaxterogaster xiphidipus Niskanen & Liimat.

Morphological Description

Characterized by agaricoid or sequestrate, small-large sized basidiomata. Pileus at first hemispherical, convex to plano-convex with age, smooth, fibrillose or scaly, dry to viscid to glutinous, hygrophanous to non-hygrophanous; white, yellow, pale to dark brown with gray, ochraceous or red tints.
Section Unfinished