Phaeocollybia nigripes (Agaricomycetes), a new species from Brazil

Author： Coimbra Victor R.M.   Gibertoni Tatiana B.   Wartchow Felipe  

Publisher： Mycotaxon

ISSN： 2154-8889

Source： Mycotaxon, Vol.120, Iss.1, 2012-09, pp. : 171-179

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Abstract

Phaeocollybia nigripes is described from an Atlantic Forest fragment in Pernambuco, Northeast Brazil. It is characterized by a stipe that is uniformly slender with a slightly swollen base and dark grayish brown below to almost black at the apex, brown pileus, large basidiospores that average 12.4 × 6.6 μm, hyphoid to narrowly clavate cheilocystidia, and abundant clamp connections. The holotype of P. megalospora var. megalospora, the putatively most similar taxon, was examined. A key to the six taxa reported from Brazil is also presented.

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