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Observation 469769: Amanita subg. Amanita

When: 2021-09-14

Collection location: Midland, Michigan, USA [Click for map]

Who: Eric (eozkan)

No specimen available

Notes:
Collected this unusual Amanita from sandy soil beneath a large Pin Oak tree adjacent to a parking lot. Thick stem, bronze-colored cap, sac-like volva. Similar and same location to mushroom in OBS 469053, like a thick-bodied, robust Grisette. Would appreciate help with identification.

Images

Proposed Names

-18% (2)
Recognized by sight: It appears there is annular zone on this specimen.
28% (1)
Recognized by sight: Not sect. Amanita due to absence of a bulb and presence of a saccate volva. Possibly sect. Caesarea, like something near A. spreta. I am bit puzzled by lack of marginal striations that should be present in sections Caesarea and Vaginatae.

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= Observer’s choice
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Comments

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@Igor
By: Dušan (RenegadeMycologist)
2021-10-19 02:37:18 PDT (-0700)

If you look closely at obs 469053 (same species) it indeed has short marginal striations. This must be sect. caesarea.