Observation 220222: Pluteus seticeps var. cystidiosus
When: 2015-09-23

Notes: Growing in wood duff near a log pile containing both hardwood and conifer logs (mostly white pine and sugar maple, but many other tree species present). Base of stipe greyish. Pileipeillis cellular. Some cystidioid elements present. Pleurocystidia present. Not apiculate. Spores globose to subglobose, apiculate. Average: 4.8 × 4.5 µm

Spores from spore print:

4.9 × 4.3 µm
4.5 × 4.3 µm
5.1 × 5.0 µm
4.7 × 4.4 µm
4.6 × 4.5 µm
5.2 × 4.8 µm
4.4 × 4.3 µm
4.6 × 4.2 µm
5.0 × 5.0 µm
4.7 × 4.6 µm

Images

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Habitat.
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567440
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Spores from spore print in 5% KOH at 100×.
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Pileipellis from roman aqueduct mount in 5% KOH and Congo Red at 100×.
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Pileipellis from roman aqueduct mount in 5% KOH and Congo Red at 100×.
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Pileipellis from roman aqueduct mount in 5% KOH and Congo Red at 100×. Blurry cytidioid element visible.
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Pleurocystidium from roman aqueduct mount in 5% KOH and Congo Red at 100x

Proposed Names

28% (1)
Eye3 Eyes3
Used references: Pluteus section Celluloderma in the U.S.A.
Based on microscopic features: Pileipellis cellular, spores globose, spore size.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2015-10-22 18:08:05 PDT (-0700)
Last modified: 2015-10-22 18:08:12 PDT (-0700)
Viewed: 16 times, last viewed: 2016-10-23 13:23:02 PDT (-0700)
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