Observation 106483: Bolbitius Fr.
When: 2012-08-19
Who: Byrain
Herbarium specimen reported

Notes: Growing in grass alongside some small & delicate looking inky caps and the species depicted in obs – 73806.

Spores not flattened with an apical germ pore.
Spore range = 12 – 14 × 8 – 9 (10) µ
Average spore = 12.8 × 8.15 µ
Q range = 1.44 – 1.75
Average Q = 1.57
20 spores measured.
4-spored basidia observed.
Pseudoparaphyses present.
Caulocystidia abundant.

This doesn’t key out well in fan6, the micro seems similar to B. titubans, but without any of the yellowish colors I would expect. Looking at the non-yellow species, there is B. coprophilus which is on dung and with flattened spores with an eccentric germ pore while all the other species included are with smaller, especially narrower spores.

Images

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252930
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252932
Spores, 1000x, mounted in KOH
252933
Spores, 1000x, mounted in KOH, 1 µ divisions
252934
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252936
Pileipellis, 400x, mounted in KOH

Proposed Names

85% (1)
Eye3 Eyes3
Recognized by sight
Used references: Flora Agaricina Neerlandica vol 6
Based on microscopic features

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-08-22 19:45:07 PDT (-0700)
Last modified: 2012-08-22 19:45:11 PDT (-0700)
Viewed: 175 times, last viewed: 2016-10-22 16:55:24 PDT (-0700)
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