Observation 198271: Marasmius rotula (Scop.) Fr.

When: 2013-07-02

Collection location: Sweet Valley, Pennsylvania, USA [Click for map]

Who: Phil Yeager (gunchky)

No specimen available

Small white caps with a yellowish sunken center. Gills attached, white, with numerous lamellulae. Margin sulcate. Stipe white at the apex, dark brown below. Found on deciduous wood in mixed woods.

Proposed Names

17% (2)
Used references: Kuo
61% (2)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Phil Yeager (gunchky)
2015-02-08 16:26:09 CST (-0600)

Many thanks for the info. It is greatly appreciated.

By: walt sturgeon (Mycowalt)
2015-02-08 15:30:27 CST (-0600)

Note the cap. Yours all have a central depression typical of Marasmius rotula on wood and Marasmius capillaris on leaf litter. Also although not visible in the photo the caps are distinctly pleated. Maramius delectans is larger and lacks these features.

By: Phil Yeager (gunchky)
2015-02-08 14:04:16 CST (-0600)

I was of the opinion that the gills M. rotula were always attached to a collar. After reading your obs I looked thru various references which support your obs. Thanks.

Created: 2015-02-07 18:17:52 CST (-0600)
Last modified: 2015-02-08 14:04:51 CST (-0600)
Viewed: 42 times, last viewed: 2017-06-19 20:36:34 CDT (-0500)
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