Observation 105172: Amanita flavorubens (Berk. & Mont.) Sacc.

When: 2012-08-12

Collection location: Hickory Run State Park, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

No specimen available

I didn’t get a good spore print (mushroom stuck to the glass slide), and the subsequent micro-spore photos seem way off.

Proposed Names

31% (2)
Recognized by sight: I think the yellow deposit on the stipe base may eliminate this possibility. But I’m still wondering a bit about the amount/placement of yellow that separates flavorubens from amerirubescens.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I don’t think that any of the material referred to “amerirubescens”…
By: R. E. Tulloss (ret)
2013-11-04 10:28:17 WIB (+0700)

has yellow on the top of the skirt (partial veil). These images seem to show an all yellow partial veil that has collapsed on the stem. At least two of the genetically defined group that are combined in the pre-genetic concept of amerirubescens have yellow on the BOTTOM of the skirt only.

When people take an image of an eastern North American rubescent species they should photograph the bottom of the skirt and put a ruler in the picture when the are taking an overall image of the fruitingbody(ies) for an observation.

Very best,


Created: 2012-08-14 11:08:00 WIB (+0700)
Last modified: 2012-08-14 11:13:32 WIB (+0700)
Viewed: 29 times, last viewed: 2017-06-14 06:50:10 WIB (+0700)
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