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When: 2020-07-22

Collection location: Ricketts Glen State Park, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

Specimen available

Notes:
Open oak-dominated woods.
The elongated/tubular volval sac suggests A. whetstoneae. But the striate cap margin is not something I associate with A. whetstoneae.
Spores ellipsoid, cylindric, elongate; 9-11 × 5-6.

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Proposed Names

29% (1)
Recognized by sight: Although the marginal striations seem unusual for this species.
Based on microscopic features: Spore morphology.

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= Observer’s choice
= Current consensus

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