Claudopus niger (Entolomataceae – Basidiomycota), a new species from the Argentinean Atlantic Forest

NIVEIRO, NICOLÁS; RAMIREZ, NATALIA A.; BARONI, TIMOTHY J.; JIMENEZ, SOLEDAD; POPOFF, ORLANDO; ALBERTÓ, EDGARDO

New Zealand Journal of Botany

RSNZ PUBLISHING

Lugar: Auckland; Año: 2021 p. 1 - 10

0028-825X

The genus Claudopus (Entolomataceae) is characterised by itscrepidotoid or pleurotoid basidiomata, a highly reduced andlateral or almost absent stipe, flesh-brown, salmon or pinkishbrownspore-print, and basidiospores that are distinctly angularin all views. Currently, ca. 20 species of Claudopus have beendescribed worldwide. Some samples collected in the ArgentineanAtlantic Forest have shown a set of characters that does notmatch with any of the species of Claudopus described until date.The aim of this work is to describe and illustrate a species ofClaudopus new to science. Claudopus niger is distinguished fromother species of Claudopus by its dark, almost black pileussurface, pinkish brown to brownish gray, ventricose lamellae;heterodiametric basidiospores, 5?7 angled (in profile view) and8.5?11.5 × 5.5?7.5 μm in size, and a hymenium lacking cystidia.Claudopus byssisedus, the most phenetically related species andwith a wide distribution in temperate and cold regions, has apaler colour and slightly larger basidiospores