Name: Psathyrella candolleana (Fr.) Maire
Most Confident Observations:
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Copyright © 2011 Byrain
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Copyright © 2016 George Riner (mycogeo)
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Copyright © 2017 Kingman Bond Graham (Kingman)
Version: 8
Previous Version 


First person to use this name on MO: Nathan Wilson
Editors: Erlon

Nomenclature: Classification:

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Psathyrella

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Notes on Taxonomy: [Edit]

Basionym: Agaricus candolleanus Fr. 1818

Sanctioning author: Fr.

Brief Description:

Cap: 3-11 cm; rounded-conical or convex when young, expanding to broadly convex, broadly bell-shaped, or nearly flat; bald; often developing shallow radial wrinkles; dry; honey yellow when young, changing color markedly to pale brownish or nearly white as it dries out; the young margin adorned with hanging partial veil remnants; mature margin often splitting radially in places.

Gills: Attached to the stem or nearly free from it; whitish at first, becoming grayish and finally dark brown; close or crowded.

Stem: 4-13 cm long; 3-8 mm thick; equal; fragile; white; hollowing; bald or slightly lined and/or silky; almost always lacking a ring, but sometimes with loosely clinging partial veil remnants in a ring-like zone.

Flesh: Very thin; fragile; brownish to whitish.

Odor and Taste: Not distinctive.

Chemical Reactions: KOH on cap surface pinkish (sometimes fleetingly) to lilac gray or brownish gray.

Spore Print: Dark purplish brown.

Microscopic Features: Spores 6.5-9.5 × 4-5 µ; ellipsoid with a truncated end; smooth; dark brown in KOH. Pleurocystidia absent. Cheilocystidia abundant; hyaline in KOH; thin-walled; subcylindric to subutriform, clavate, subclavate, or saccate; to about 50 × 15 µ. Pileipellis hymeniform-cellular.

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Created: 2007-01-10 00:05:37 CST (-0500) by Nathan Wilson (nathan)
Last modified: 2011-12-14 21:59:37 CST (-0500) by Erlon (Herbert Baker)
Viewed: 1282 times, last viewed: 2017-10-16 20:46:56 CDT (-0400)
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