When: 2020-09-11

Collection location: Sharon, Connecticut, USA [Click for map]

Who: cmy610

No specimen available

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Thanks
By: cmy610
2021-04-19 17:47:10 EDT (-0400)

for all that info! I have not heard of any of those species and appreciate the education! In my mind, I was assuming it might be Amanita bisporigera, so oops…I will get some KOH and start testing mushrooms this coming season. Thanks again!

From the size and the cap being much less in diameter than the length of the stalk,…
By: R. E. Tulloss (ret)
2021-04-17 21:15:26 EDT (-0400)

the next thing to check would be the reaction of the cap or stem to KOH solution or the shape of the spores.

At the moment we think that there are at least five species in the eastern US that are in the white destroying angels group that stains yellow when you drip a strong base onto it. The two largest are Amanita amerivirosa (just named) and A. suballiacea. They can be told apart by the shape of spores.

If the species were to fail to turn yellow with application of a strong base, then the most likely species is A. elliptosperma. If the partial veil is distinctly not white and more thick and felted than thin and membranous, then you might have A. magnivelaris. From your pictures of the partial veil, I’d say that A. magnivelaris is out.

More info
By: cmy610
2021-04-16 12:10:02 EDT (-0400)

Sorry for not including a description! The cap was about 8 cm diameter. The stipe was pretty long - 13-15 cm long. It was growing alone, on the ground, in a mixed forest with lots of oak, birch, beech, and eastern hemlock. Mostly oak though. The cap was tacky. I didn’t detect any odor.

This is very likely a species of the Phalloideae.
By: R. E. Tulloss (ret)
2021-04-15 18:05:19 EDT (-0400)

Can you say anything about the size of the fruiting body? Any other data?

Rod