Observation 59039: Hymenopellis radicata (Relhan) R.H. Petersen
When: 2010-05-31
No herbarium specimen

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Eye3 = Observer’s choice
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Mycena luteopallens is very small and fragile.
By: Rhodotus
2010-11-17 09:54:00 CST (-0500)

I am joining Bob on this. Mycena luteopallens, in addition to growing on walnuts, is a very small and fragile mushroom. Yours looks much bigger and sturdier. But for the (beautiful!) color, I would have thought it was an Oudemansiella (=Xerula) radicata. MycoBank, however, lists an orange-yellow form, Oudemansiella radicata f. aurantiacolutea Melik-Khach. I think this is what you found (Lucky you!).

Xerula is
By: Eric Smith (esmith)
2010-11-16 19:22:30 CST (-0500)

the genus formerly known as Oudemansiella.

OK, I’ll buy that
By: Brian Adamo (adamo588)
2010-11-16 18:59:13 CST (-0500)

None of my field guides (Audubon, Peterson, Arora -Mushrooms Demystified) even mention genus Xerula, so I can see how I missed the identification. Can’t find any photos online of Xerula with bright yellow caps, but the rest of the visual cues certainly match. Thanks for the correction!

Mushrooms Demystified
By: Eric Smith (esmith)
2010-11-16 18:06:51 CST (-0500)

says M. luteopallens grows on walnuts and hickory nuts. The rooting stipe and wrinkled cap suggest something in Xerula to me.

Created: 2010-11-16 17:45:12 CST (-0500)
Last modified: 2015-01-05 19:34:31 CST (-0500)
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