Name: Panaeolus bisporus (Malençon & Bertault) Ew. Gerhardt
Most Confident Observations:
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Version: 6
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First person to use this name on MO: Erlon Bailey
Editors: Alan Rockefeller, Byrain, webmaster

Nomenclature:

Rank: Species

Status: Accepted

Name: Panaeolus bisporus

[#437164] Index Fungorum

[#437164] MycoBank

GSD Species Synonymy

Author: (Malençon & Bertault) Ew. Gerhardt

Citation: Biblthca Bot. 147: 41 (1996)

Deprecated Synonyms: Copelandia bispora (Malençon & Bertault) Singer & R.A. Weeks

Classification:

Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Genus: Panaeolus

Lifeform:
Brief Description: [See More | Edit]

Translated from Gerhardt, E. (1996). Taxonomische Revision der Gattungen Panaeolus und Panaeolina (Fungi, Agaricales, Coprinaceae). Bibliotheca Botanica 147: 1-149.

Panaeolus bisporus (Malençon & Bertault) Ew. Gerhardt, stat. et comb. nov.

DESCRIPTION (follwoing original diagnosis, Malencon & BERTAULT 1970):
PILEUS
- Cap 15-30 mm wide
- parabolic, campanulate to hemispherical
- glabrous, dull
- margin even
- buff, with grayish edge, lead-gray, with ocher-colored beige toned
- hygrophanous, drying whitish-gray or pale cream-ocher
ODOR/TASTE
- no described
LAMELLAE
- Lamellae crowded, dark gray to blackish to finally, black
- white gill edge
STIPE
- Stem 65-120 × 2-3 mm, slender, central, translucent gray
- inside reddish-brown
- whitish frosted, lined near apex
MICROSCOPIC FEATURES
BASIDIA
- Basidia 2-spored (rarely 1-spored), 20 × 8 microns (18 – 23 × 8-10 Malencon).
PILEIPELLIS
- not described
SPORES
- Spores 12-13.5 (15) x 9-10 (11.5) x 6-7
- smooth, opaque, distinctly flattened
- germ pore even/flush
SULPHIDIA
- absent
CHEILOCYSTIDIA
- Cheilocystidia bottle-shaped
- hyaline
- Approximately 20-30 microns long
- metuloids with yellow-brown wall from cyanescens-type, about 40-55 × 12-15 microns, with apical encrustations

Descriptions: [Create]

Comments

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Approved
By: Alan Rockefeller (Alan Rockefeller)
2017-10-09 21:33:34 EDT (-0400)

Panaeolus and Copelandia are so close phylogenetically that they should be treated as one genus.

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