Observation 183573: Armillaria (Fr.) Staude
When: 2014-10-17
No herbarium specimen
0 Sequences

Growing on the ground at the base of an Oak.

Proposed Names

28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Hi , Carol.
By: Rocky Houghtby
2014-10-20 10:27:11 PDT (-0700)

This Armillaria is probably listed as gallica in any field guide you check. However, A. gallica is not supposed to have yellow velar tissues as our local collections exhibit. It has been proposed in the last few years that Armillaria sinapina and the now deprecated calvescens may be good names, but there are currently no molecular studies to support the validity of any taxa in Armillaria. Additionally, the importance of host specificity is not completely clear. The most I can do for the time being is search for microbiological differences between these species in the collections I have at my disposal, so I do not anticipate being able to satisfactorially answer your question any time soon. :)

These mushrooms always trip me up.
By: T. Nelson
2014-10-19 06:48:37 PDT (-0700)

I wonder if this might be Armillaria mellea? Or is it more likely to be tabescens? I am interested because I have seen tabescens and gallica at this location before, but not mellea. These look like two other recent postings identified as mellea and that is why I am asking.

Created: 2014-10-17 11:39:14 PDT (-0700)
Last modified: 2014-10-17 11:44:42 PDT (-0700)
Viewed: 32 times, last viewed: 2017-06-19 00:15:51 PDT (-0700)
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