Observation 299759: Mycena (Pers.) Roussel

Notes:
Growing on redwood needles and twigs accumulated on a large log behind the main building. Odor slightly raphanoid when crushed; after a day in the fridge, the odor when crushed was mildly spermatic.

Basidia 4-spored, some 2-spored too (almost certain), ~25+5 x 7. Spores 8-9.5 × 4-5.5. Cheilocystidia 20-35 × 7-9.

This is the third year I’m finding this species in Big Basin (Observation 260423, Observation 223795). I called it M. cinerella for the lack of a better name, but now I think there are too many mismatches (odor not farinaceous, gills not arcuate, reddish staining). Since gills and stems are not too fragile, M. pussila might be a possiblity; it’s smaller but microscopically quite similar.

Species Lists

Images

Typical reactions in Melzer’s.
CH
CH
CH
CH
Basidia.
CA
CA
CA
PP, gelatinized
Hyphae from which cheilocystidia grow. We don’t see this often.

Proposed Names

28% (1)
Recognized by sight

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Created: 2017-11-22 00:33:21 PST (-0800)
Last modified: 2017-11-22 00:34:42 PST (-0800)
Viewed: 33 times, last viewed: 2019-09-16 19:36:50 PDT (-0700)
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