Observation 118581: Phellinus robiniae (Murrill) A. Ames

When: 2012-10-21

Collection location: Jasper Co., Missouri, USA [Click for map]

Who: Jon Shaffer (watchcat)

Specimen available

smooth brown velvet texture on underside

Proposed Names

85% (1)
Eye3 Eyes3
Used references: mushroom expert.com

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Phellinus rimosus
By: walt sturgeon (Mycowalt)
2012-12-10 20:52:17 PST (-0800)

Is considered a synonym by some. It is very common on black locust.

By: Jon Shaffer (watchcat)
2012-12-10 20:34:06 PST (-0800)

Just read Britt’s article “Which Way Is Up, Mushroom Gravitropism” in the fall issue of Fungi Magazine. He describes bracket fungi as having gravimorphogenic tendencies opposed to gravitropic. In other words, instead of bending to re-position the cap like a traditional mushroom, bracket fungi grow a new shelf horizontal to the ground (see close-up)when the host falls, changing orientation.

This grows on locust
By: Patrick Harvey (pg_harvey)
2012-12-10 09:49:12 PST (-0800)

Nice — seeing the caps growing in 2 different directions

Created: 2012-12-01 20:39:10 PST (-0800)
Last modified: 2013-02-28 11:47:36 PST (-0800)
Viewed: 54 times, last viewed: 2017-09-04 07:34:55 PDT (-0700)
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