[admin – Sat Aug 14 01:57:45 +0000 2010]: Changed location name from ‘Adirondack Park, near Paul Smiths, Franklin Co., New York, USA’ to ‘near Paul Smiths, Adirondack Park, Franklin Co., New York, USA’


Proposed Names

39% (1)
Used references: Going by Tom Volk’s key to American Armillarias, this is a more likely name, can’t be sure from just a photo though. Definitely not A. mellea though. Could also be A. sinapina, need more than a photo for a positive ID.

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= Observer’s choice
= Current consensus


Add Comment
By: I. G. Safonov (IGSafonov)
2009-09-19 22:58:56 CDT (-0400)

Thank you, Tom, for taking a detailed look at these Armillarias. I uploaded the second picture after realizing that I had been taken only two minutes prior to the original one, so I am pretty sure it is the same species at different stages of development. I found these growing on a mossy log in an old growth forest just north of Paul Smiths, NY. I will be posting a few other Armillaria observations soon; your comments would be much appreciated — thanks.

not A solidipes
By: Tom Volk (TomVolk)
2009-09-19 21:20:22 CDT (-0400)

Armilaria solidipes (= A ostoyae) has pointed bases on the fruiting bodies because of being cespitose. these are not. I have not seen A gemina enough to know if they have pointed bases. This second picture looks more like A sinapina or A gallica.

not A. mellea
By: Tom Volk (TomVolk)
2009-09-18 21:17:19 CDT (-0400)

Agreed that it is too scaly. A. solidipes (-A. ostoyae) and A. gemina cannot be easily distinguished morphologically. I had to go back and look at my key
A. gemina is known only from hardwoods, and upper NY is within the known geographic range. But A. sinapina also falls in this range. So I am not sure what this is. Armillaria species are still very difficult.

Alternative name
By: I. G. Safonov (IGSafonov)
2009-09-14 11:49:34 CDT (-0400)

Now I agree with JPDENK that this is not A. mellea — too dark and scaly. I investigated further by going to A better match appears to be A. ostoyae, which is morpholocially identical to A. gemina. Soon, I will be posting more pics of Armillaria sp. from different locations.