Observation 80838: Agrocybe erebia (Fr.) Kuhner ex Singer

Images

177877
177878
178025
spores ellipsoid to lemon-shaped, thick walled, with prominant hilar appendage and large oil drops.
178026
note long, cylindrical cystidia at gill edge.

Proposed Names

-19% (3)
Eyes3
Recognized by sight: slimy dark brown cap, darker in middle, with striate edge. stipe w. annulus (lost), darkening from bottom up.
Used references: Matchmaker, Mushroomexpert.com, Roger’s Mushrooms
Based on microscopic features: dark brown (almost purple brown ) spore print. ellipsoid spores with prominant apiculus and oil drop (?). spores 9 × 5 and 11 × 7 microns. long cylindrical cystidia: 55 microns in length.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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micrographs added.
By: Debbie Viess (amanitarita)
2011-10-27 22:43:01 CDT (-0400)
yeah, this is an uncomfortable ID…
By: Debbie Viess (amanitarita)
2011-10-27 11:12:20 CDT (-0400)

some parts fit, some parts don’t. Matchmaker has three different descriptions for this species, perhaps a complex? Online, a few specimens of fungi labeled Agrocybe erebia look similar to this one, but most are quite a bit more stocky and very different looking.

And then, there were those darned oildrops in the spores; what is up with THAT?

Will post the micrographs soon.

Deb
By: walt sturgeon (Mycowalt)
2011-10-27 10:53:50 CDT (-0400)

Created: 2011-10-26 23:37:25 CDT (-0400)
Last modified: 2011-10-28 11:01:47 CDT (-0400)
Viewed: 82 times, last viewed: 2016-03-31 06:14:46 CDT (-0400)
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