Observation 218423: Mycena piceicola A.H. Sm.
When: 2015-09-26

Notes: [OMS field trip, led by Don Moore; found by Richard Tullis]

A group of about ten mushrooms; from many other Mycenas found the same day in the same place, these stood out by their dark brown color. Growing in mossy duff on spruce needles. No particular odor noticed.

Spores 7-8 × 4-5. Cheilocystidia 20-30 × 5-10, difficult to extricate from the continuous band they make on the gill edge. Basidia 4-spored, ~30+5 x 5. Pleurocystidia not found. Hyphae of the cortical layer of the stipe diverticulate, with widened terminal cells. Coralloid mass of hyphae (gelatinized?) on pileipellis.

This id is difficult and uncertain. M. atroalboides and Smith’s M. plicosa and M. subplicosa (all the same for Maas Geesteranus) are similar and the differences between them are not clear cut.

Species Lists

Images

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563263
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Tightly packed cheilocystidia, and spores.
563265
Chelocystidia.
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Cheilocystidia. Notice two fusoid cystidia, found only here and never again in about five preparations examined.
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Basidia and cheilocystidia.
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Cheilocystidia.
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Caulocystidia.
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Pileipellis.
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Pileipellis.

Proposed Names

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Eye3 = Observer’s choice
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Created: 2015-10-11 06:26:26 EEST (+0300)
Last modified: 2015-10-11 06:38:10 EEST (+0300)
Viewed: 22 times, last viewed: 2017-02-19 15:29:31 EET (+0200)
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