Observation 33426: Gymnopus confluens (Pers.) Antonín, Halling & Noordel.
When: 2008-07-10
No herbarium specimen

Notes: On leaf litter. I think maybe C. confluens… based on the very hairy stalks. But stalk colors are dark for this species. Are “Collybia” and “Gymnopus” each currently acceptable names (synonyms)?

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Thanks for all the info.
By: Dave W (Dave W)
2010-02-11 08:07:17 PST (-0800)

Sounds like (despite actual closure regarding Collybia/Gymnopus) applying the name “Collybia” to the ones which occur on fungal remains would at least provide a standard… fleeting as it may turn out to be.

And the key monograph has been delayed too…
By: Dimitar Bojantchev (dimitar)
2010-02-11 07:35:14 PST (-0800)

This key monograph that I have been waiting for to clear some of these subjects has been delayed a couple of times now… It was supposed to be out an year ago.

ANTONIN V. & NOORDELOOS M.E. “A monograph of marasmioid & collybioid fungi in Europe”

D.

P.S. Otherwise this collection really fits in the G. confluens ballpark… I’ve seen it in Europe on numerous occasions and also have similar collections from the Eastern USA. Do not recall having seen it out West.

Collybia vs. Gymnopus
By: Nathan Wilson (nathan)
2010-02-11 07:01:34 PST (-0800)

I thought Gymnopus was a segregate of Collybia that was applied after Collybia was restricted to the species that grow on other fungi (e.g., Collybia cirrhata, C. tuberosa and C. cookei) since C. tuberosa is the type for Collybia (according to Singer at least). However, I see now that Gymnopus is actually the older genus.

Interestingly, Singer synonymizes Gymnopus with Mycena and Oudemansiella. According to “Roy Halling’s Collybia s.l. site”: http://www.nybg.org/bsci/res/col/colintro.html the type for Gymnopus is G. fusipes.

The stem
By: Irene Andersson (irenea)
2010-02-10 23:48:26 PST (-0800)

is not too dark for Collybia/Gymnopus confluens.

It’s Collybia according to MycoBank, Gymnopus in IndexFungorum and MO.
The genus Gymnopus is polyphyletic and what will remain there is still not clear.

Collybia confluens wasn’t sequensed in this study..
http://www.mycologia.org/cgi/content/full/97/3/667

Check this image, and you’ll understand why the limits between the genera isn’t definitely decided yet:
http://www.mycologia.org/...

Created: 2010-02-10 19:51:49 PST (-0800)
Last modified: 2010-02-10 19:51:49 PST (-0800)
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