Name: Megacollybia platyphylla (Pers.) Kotl. & Pouzar
Most Confident Observations:
Copyright © 2008 vesna maric (kalipso)
Copyright © 2015 zaca
Copyright © 2015 zaca
Copyright © 2012 Gerhard Koller (Gerhard)
Version: 3
Previous Version 

First person to use this name on MO: Douglas Smith
Editors: Alan Rockefeller, Erlon


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Thank you
By: John Plischke (John Plischke)
2018-01-02 01:03:05 -03 (-0300)

Thank you Very useful information.

M. Kuo mentioned this; without giving any help for western NA collections
By: Oluna & Adolf Ceska (
2018-01-02 00:56:55 -03 (-0300)

He writes: "However, a recent study (Hughes and collaborators, 2007) based on DNA results for specimens from across the globe found support for at least eight or nine separate species, with Megacollybia platyphylla limited to Europe. In North America the authors found support for four species. However, specimen sampling included very few from western North America, and almost none from the Midwest; it remains to be seen whether further North American species might turn up with additional study—in fact the authors suggest the possibility of “further cryptic species” within at least one of our North American taxa."

In situations like this one, I would recommend to file MO observations and the supporting voucher specimens under the name that is used in the herbarium where the collection is or will be deposited. In the UBC herbarium, it is _Megacollybia platyphylla". We know that there is a problem with this naming, but I don’t see any reason for trying to solve it without any detailed study.
In the matter of fact, mushrooms don’t mind, how they are called!

This is the paper he was referencing
By: Django Grootmyers (heelsplitter)
2018-01-02 00:37:23 -03 (-0300)
By: John Plischke (John Plischke)
2018-01-02 00:13:58 -03 (-0300)

the name of the paper will be very useful

Listen to Pulk!
By: Oluna & Adolf Ceska (
2018-01-01 22:18:26 -03 (-0300)

All or almost all of those [North American] records are misidentified
By: Jacob Kalichman (Pulk)
2018-01-01 15:15:59 PST (-0800)
One does not identify a Megacollybia as M. platyphylla by sight in NA. I’ll find a paper when I get back to my laptop…

Created: 2007-05-24 22:08:12 -03 (-0300) by Douglas Smith (douglas)
Last modified: 2018-01-02 11:34:54 -03 (-0300) by Erlon (Herbert Baker)
Viewed: 627 times, last viewed: 2019-02-23 14:12:28 -03 (-0300)
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