Observation 198767: Echinoderma asperum (Pers.) Bon

When: 2013-10-15

Collection location: Waymart, Pennsylvania, USA [Click for map]

Who: Phil Yeager (gunchky)

No specimen available

Scaly brownish caps with a white background and free crowded gills. Stipe scruffy and scaly with long white rhizomorphs at the base. Found in wood chips. Brought to me by a friend.

Proposed Names

45% (2)
Used references: Kuo
77% (2)
Eye3 Eyes3
Recognized by sight: Same as Lepiota aspera, but according to Index Fungorum Echinoderma is the current genus.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Phil Yeager (gunchky)
2015-02-15 20:04:07 CST (-0600)

some people do not agree with IF.

Yeah, the new name doesn’t change what it is…
By: Dave W (Dave W)
2015-02-15 19:24:46 CST (-0600)

Just what we call it. MO is my way of keeping up with the changing names. Actually, there seems to be some difference of opinion about the genus for Lepiota/Echinoderma aspera/asperum.

Most similar Lepiotas are smaller with thin flesh. But large examples of Lepiota clypeolaria can look pretty similar to aspera/asperum. I think obs 180251 represents clypeolaria. The ones in that collection were quite large.

The ring on asperum is typically more well-developed and persistent than with clypeolaria. Asperum is more thick-fleshed/robust, like the ones in this obs (198767).

By: Phil Yeager (gunchky)
2015-02-15 18:10:34 CST (-0600)

I’m happy I named it Lepiota aspera

Created: 2015-02-14 19:52:56 CST (-0600)
Last modified: 2016-01-05 17:57:02 CST (-0600)
Viewed: 65 times, last viewed: 2017-06-19 21:10:52 CDT (-0500)
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