Name: Psathyrella pseudovernalis A.H. Sm.
Most Confident Observations:
Copyright © 2014 Martin Livezey (MLivezey)
Copyright © 2017 Jake Young (JakeY)
Copyright © 2011 Dan Molter (shroomydan)
Copyright © 2016 73ea3
Version: 2
Previous Version 


First person to use this name on MO: Michael Wood
Editors: walt sturgeon

Nomenclature:

Rank: Species

Status: Accepted

Name: Psathyrella pseudovernalis

Author: A.H. Sm.

Citation: Mem. N. Y. bot. Gdn 24: 410 (1972)

Classification:

Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Agaricales

Family: Psathyrellaceae

Genus: Psathyrella

Lifeform:
Brief Description:

Cap: 2-4.5 cm; convex, broadly conical, broadly bell-shaped, or nearly flat at maturity; bald; the margin finely lined; medium yellow-brown, fading markedly as it dries out to brownish buff; when young with wisps of veil tissue, especially along the margin.

Gills: Attached to the stem; close or nearly distant; whitish to pale brownish at first, becoming dark brown.

Stem: 3-10 cm long; up to 5 mm thick; equal; fragile; white but often discoloring dirty yellowish to brownish in the middle with maturity; bald or very finely silky; without a ring.

Flesh: Thin; fragile; brownish.

Odor and Taste: Not distinctive.

Chemical Reactions: KOH on cap surface at first negative but turning purplish after 60-90 seconds.

Spore Print: Dark brown.

Microscopic Features: Spores 7.5-9.5 × 4-5.5 µ; ellipsoid; with a pore; smooth; dark brown in KOH. Pleurocystidia fusoid-ventricose; thin-walled; to about 70 × 15 µ. Cheilocystidia subfusiform; infrequent; thin-walled. Sphaeropedunculate elements on gill edge abundant; subglobose, without apical necks. Pileipellis hymeniform/cellular.

Descriptions: [Create]

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Created: 2009-06-01 11:35:57 CDT (-0400) by Michael Wood (mykoweb)
Last modified: 2014-01-06 17:58:08 CST (-0500) by walt sturgeon (Mycowalt)
Viewed: 113 times, last viewed: 2019-05-19 02:03:07 CDT (-0400)
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