Observation 147873: Gymnopilus fulvosquamulosus Hesler

Being a real novice, I am going out on a limb with this proposed species name. I submitted the same species (I believe) from the same park near the same time last year and got a couple of responses. I don’t think the genus Gymnopilus was suggested. Found this again (more abundant this time despite the very dry conditions)this week. Fruiting on wood. Reading what Michael Kuo says about this species I am thinking this could be it. The area where they were found is Meramec River bottomland woods here in Southwest St. Louis County. It can be quite muddy there and the park was closed for a number of months this Spring due to flooding. I have several dried specimens in my possession. I might be able to obtain more if I revisit the area this week. See also observation #113223 from last year.

Proposed Names

78% (4)
Eye3 Eyes3
Used references: Mushroom Expert (Michael Kuo) and recent observation by Amanitarita

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Rocky, thanks.
By: weed lady (Sylvia )
2014-04-08 13:56:50 CDT (-0400)

Thank you so much for posting your great work on my observation #147873. Guess this nails it down thanks to you. My guess was truly a guess based somewhat on Amanitarita’s observation which was posted at about the same time as mine. I believe both were found in similar habitats. Her identification was based on knowledge. Wish I could say the same. Thanks again. Looking forward to seeing more of your observations.

By: Debbie Viess (amanitarita)
2014-04-07 10:42:22 CDT (-0400)

for your excellent micrographs!

Microscopy added.
By: Rocky Houghtby
2014-04-06 20:42:37 CDT (-0400)

Good ID, Ladies!

Spores, 9.6 (10.9) X 5.8 (6.4), dextrinoid.

NH4OH, Melzer’s, 1000X

NH4OH, Melzer’s, 1000X

NH4OH, 400X

sub-parallel trama, NH4OH, 200X

Cheilo, NH4OH, 400X

Hymenium, NH4OH, 400X

Pleuro, NH4OH, 1000X

Pleuro, NH4OH, 1000X

Pleuro, NH4OH, 1000X

Pleuro(pigmented), NH4OH, 1000X

Brown basidiole, NH4OH, 1000X

Brown basidiole, NH4OH, 1000X


By: Rocky Houghtby
2013-10-10 19:50:21 CDT (-0400)

Hesler’s description is based on a single collection. The distribution, habitat, season and ecology for G. praeofloccosus are more or less completely unknown.

By: Richard Kneal (bloodworm)
2013-10-10 18:47:45 CDT (-0400)

G. praefloccosus is known from Florida, about a 1/4 mile from my apartment…
Murrill found it in May.

hopefully, i can collect it next spring.
i have been looking.

By: Debbie Viess (amanitarita)
2013-10-10 18:23:57 CDT (-0400)

Deja vu, all over again! Does seem to be the place and the season for these lovely gymns.

Nice find…along the river bottoms, maybe?

weed lady…
By: Richard Kneal (bloodworm)
2013-10-10 16:39:41 CDT (-0400)

can you send me the specimens??

email me @ bloodwormfungi@gmail.com

Created: 2013-10-10 16:29:57 CDT (-0400)
Last modified: 2014-04-06 20:44:22 CDT (-0400)
Viewed: 150 times, last viewed: 2017-10-25 17:57:15 CDT (-0400)
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