Observation 135994: Mycena pearsoniana Dennis ex Singer
When: 2013-06-06

Notes: Growing in moss-covered duff, in a mixed forest.

Stem violet colored, finely pruinose, bends without breaking. Caps with slight umbo. Gills intervenose, distinctly decurrent. Odor raphanoid.

Basidia 2- and 4-spored, 20×6, with sterigmata ~4 microns. Spores 7.5-9 × 4-5. Cheilocystidia forming sterile band 70-75 × 12-18. Pleurocystidia scattered, 55 × 15. Caulocystidia 85 × 12, clamped. Hyphae of pp smooth, clamped.

All characters match M. pearsoniana, with the exception of (1) presence of pleurocystidia, and (2) absence of the gelatinous layer near the hypodermium (pp).

Species Lists

Images

336300
336301
336302
336303
Spores and the band of cheilocystidia.
336304
Cheilocystidia, basidia.
336305
Pleurocystidia, basidia.
336306
Caulocystidium.
336307
Caulocystidia.
336308
Hyphae of the pileipellis.

Proposed Names

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Created: 2013-06-10 07:20:18 BST (+0100)
Last modified: 2013-06-10 07:20:24 BST (+0100)
Viewed: 46 times, last viewed: 2016-10-22 22:57:50 BST (+0100)
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