Growing out of well-decayed, mossy conifer wood near Fagus grandifolia, Carya sp., Pinus strobus and Quercus sect. Lobatae. Young caps brown. Basal mycelium white. Mature specimens with a cap 4.6 cm wide and a total height of 6.2 cm. Immature specimen pictured with a cap 2.6 cm wide and a total height of 5.6 cm.

Species Lists


Young fruiting body?
Spores in cap segment i 5% KOH under 40x lens.

Proposed Names

45% (2)
Based on microscopic features: spores subglobose
23% (3)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
Updated with basidiocarp dimensions.
By: Django Grootmyers (Heelsplitter)
2017-02-08 15:41:18 EST (-0500)
I sent the specimens to Patrick Leacock
By: Django Grootmyers (Heelsplitter)
2017-02-08 15:11:43 EST (-0500)

I should have done thorough spore measurements before sending but they’re in good hands now.

The one spore that is clearly seen…
By: Dave W (Dave W)
2017-02-08 08:15:53 EST (-0500)

appears to show Q~1.3. This would place this spore on the border between categories “broadly ellipsoid” and “ellipsoid” as defined on the Amanita Studies website.
C du Q reports tubaeformis spore dimensions with the lower range of Q~1.33. I think it would be useful to have info for a few more spores, as sometimes a spore doesn’t properly align so that it is perfectly viewable in max length profile.

Now that I look at it again
By: Django Grootmyers (Heelsplitter)
2017-02-02 01:25:43 EST (-0500)

the spores do look subglobose rather than elliptical.