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Systematics

The pantropical genus Macrocybe gen. nov.

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Pages 494-504 | Accepted 17 Nov 1997, Published online: 28 Aug 2018
 

Abstract

Analysis of morphological and ecological characters plus ribosomal DNA sequences support the removal of seven related tropical species from the genus Tricholoma. This group of apparently nonmycorrhizal species that have abundant clamp connections on all hyphae but lack siderophilous granulation in the basidia cannot be accommodated in other genera, such as Calocybe or Megatricholoma. We therefore propose Macrocybe as a new genus in the Tricholomataceae for these taxa.

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