Similar to obs 245397, except growing in hemlock dominated forested area. Birch nearby and oak in the vicinity.

Spores broadly ellipsoid to subglobose, 8-12 × 7-9.


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Easily mistaken…
By: Dave W (Dave W)
2017-03-16 21:09:24 CDT (-0400)

for farinosa. These silvery-to-lead gray grisettes (very common in my area) tend to have volvas buried in the soil, and UV deposits on the cap (uncommon) are white membranous patches. The grainy appearance on the cap seen here is debris/soil.

Some of the spores from this one tended more toward subglobose than the ellipsoid spores I see in other similar Amanitas, eg. obs 247578. This latter type occurs in groups close enough to my house that I can sometimes spot one from my front porch, on a ridge of lawn not far from a very old shagbark hickory.

Aside from a slight difference in spore Q, the one in this obs is similar to the ones I find in my yard.

By: Ryan Patrick (donjonson420)
2017-03-16 19:17:36 CDT (-0400)

Resembles Amanita farinosa but appears to have a saccate volva and larger spores. Nice find Dave look forward to the results.

Herbarium Rooseveltensis Amanitarum (R. E. Tulloss) has received specimen.
By: mcmacher
2017-03-16 15:45:51 CDT (-0400)

We have received the dried specimen and it is being accessioned for Rod’s herbarium. Thank you very much.

As you noted earlier today,…
By: R. E. Tulloss (ret)
2016-07-26 17:10:38 CDT (-0400)

the average Q value is reminiscent of the average Q of “old 17.”

Very best,