Open AccessNew species and records of Tricholoma (Agaricales: Tricholomataceae) sections Genuina and Megatricholoma from Costa Rica and United States
Author(s) -
Clark L. Ovrebo,
Roy E. Halling,
Karen W. Hughes,
Michael Kuo
Publication year - 2021
Publication title -
journal of the botanical research institute of texas
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 22
eISSN - 2644-1608
pISSN - 1934-5259
DOI - 10.17348/jbrit.v15.i2.1160
Subject(s) - agaricales , botany , biology , geography , taxonomy (biology)
Species of Tricholoma sections Genuina and Megatricholoma are characterized by having pilei that are some shade of brown, and by white or yellow lamellae that also discolor some shade of brown. From Costa Rica in sect. Genuina, we describe as new T. luteopallidum, T. cacumense, and T. talamancense, and confirm the occurrence of Tricholoma stans, and from the United States describe as new Tricholoma brunneoluteum. Tricholoma roseoacerbum from sect. Megatricholoma is con-firmed for Costa Rica. Morphology as well as ITS sequences are employed to confirm the species’ identifications or circumscription of the new species.