Notes:
[PNW Key Council Foray]

Growing from a hollow in a conifer stump, at snowbank. Long stems (up to 25 cm), finely grooved. Caps noticeably striate. Not much flesh, the caps are papery thin when dried. (No field notes about odor/taste.)

Basidia 4-spored, (20-36) + (3-5) x (6.5-7.5). Spores 9-10 × 4.5-6. Cheilocystidia 21-58 × 8.5-24 with excrescences up to 3.5 microns. Pleurocystidia scattered, similar to cheilocystidia. Hyphae in the cap and stipe cortical layers diverticulate. Reactions in Melzer’s typical.

Species Lists

Images

Number 1 is microscopically a very different Mycena, with smooth cystidia (sect. Fragilipedes). It was also growing on rotten wood, nearby.
Cheilocystidia.
Cheilocystidia.
Cheilocystidia.
Pileipellis up, hypoderm below.
Pileipellis.
Pileipellis.
Stipitipellis.
Stipitipellis.
Stipitipellis.
Pleurocystidia.
Lacifers in the stipe.

Proposed Names

85% (1)
Recognized by sight

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