Observation 5341: Agaricus L.
When: 2007-12-08
No herbarium specimen

Notes: KOH negative on all tissues.

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Eyes3
Recognized by sight

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Comments

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Wrong but with good reason
By: Rick Kerrigan (rwkerrigan)
2008-12-07 01:09:21 CET (+0100)

These images are not way, way different from California collections that I previously treated under the name ‘A. rutilescens’. Mea culpa; sorry, Darv. I now believe that Peck’s name was based on dried A. bernardii (and Kauffman’s interpretation of Peck’s species was based on A. amicosus). And I now treat my CA material as an undescribed species.

That said, I’ve never made a collection that looked strongly like the one you photographed. I’d bet it’s different, new, interesting and important. I’d also like to believe that KOH on the pileus was actually greenish, an easy reaction to miss. Besides the brown fibrillose cap, the bruising lamellae also point away from section Agaricus (the ‘campestris group’) towards the group of species that includes A. subrutilescens.

More info or specimens would be very welcome.

Created: 2007-12-08 22:40:40 CET (+0100)
Last modified: 2007-12-08 22:42:26 CET (+0100)
Viewed: 28 times, last viewed: 2016-10-25 08:37:19 CEST (+0200)