Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
Black Mycena?
Psathyrella
Pileus expanded campanulate 13 mm margins striate, disc ochra-
ceous buffmargins lighter; membranous; gills adnate, distant, black
stipe 2.5 cm x 2 mm above tapering to 1.2 mm below
On horse dung
Specimens examined
Costa Rica: San Jose, Rancho Redondo, 2200m Dodge& Thomas 5085