Observation 198450: Hygrocybe olivaceonigra (P.D. Orton) M.M. Moser
When: 2015-02-09

Notes: Single fruit-body growing on the ground in mixed woods, with Redwood nearest.
Cap 6.6 cm across.
Cap and stipe viscid and all parts bruising/turning blackish.
Spore print white but skimpy.
Spores ~ 9.2-12.0 X 5.9-7.2(7.9) microns.
Q(range) = 1.43-1.66
A little larger and the spores wider than the description in Largent’s monograph but not sure how many collections he studied or what else to call it.

Proposed Names

28% (1)
Recognized by sight: Correct spelling.
Based on microscopic features: The spores you measured are significantly wider than listed in the original species description, which says 9 – 12.5 × 4.5 – 5.5.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2015-02-10 13:45:05 PST (-0800)
Last modified: 2015-12-20 22:54:38 PST (-0800)
Viewed: 53 times, last viewed: 2016-10-21 02:07:53 PDT (-0700)
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