Observation 132383: Agrocybe pediades group

When: 2013-04-23

Collection location: 7700 SE Stephens, Portland, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

CAP: to 2" across, buff-brown to brown, creamy yellow-brown as young; cap flesh white as freshly exposed, turning light brown with exposure to wind and air over several hours. Cap not cracking, but sometimes splitting. ANNULUS: present. STIPE: 2.5-3.5 inches long (6-8.5 cm), narrowing at cap, progressively larger toward base; extreme base enlarged but not bulbous, grass adherring, white rhizomorphs. GILLS: buff brown, brown or slightly gray as fresh. SPORE PRINT: dark brown. ODOR: slighty spermatic; not pleasant, some bitterness or acidity present.

HABITAT: Found in my back yard, growing in a cluster.

According to the description by Arora, only feature not consistent with A. pediades is spermatic odor fresh (faint), enlarged but not bulbous base of stalk.


Pale brown to buff-brown gills.
Stipe narrows at cap, enlarging towards base, white mycelium at base.
Close-up of ring, gills.

Proposed Names

57% (1)
Used references: Arora, Mushrooms Demystified, p. 469.

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Created: 2013-04-24 01:51:16 CEST (+0200)
Last modified: 2013-04-24 01:51:18 CEST (+0200)
Viewed: 20 times, last viewed: 2019-04-04 03:36:54 CEST (+0200)
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