Observation 46513: Tarzetta catinus (Holmsk.) Korf & J.K. Rogers

When: 2010-06-04

Collection location: Yosemite National Park, California, USA [Click for map]

Who: Debbie Viess (amanitarita)

Specimen available

on ground under white fir. stalked cup.

Species Lists


note pimply texture to outside of cup, long stipe. very perishable…it rotted before the mycenas!!!

Proposed Names

61% (2)
Eye3 Eyes3
Recognized by sight: Correct spelling should be Tazzetta
Based on microscopic features: ellipsoid, biguttulate spores; thin, unbranched paraphyses

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Seaver 1942
By: Darvin DeShazer (darv)
2010-06-19 11:04:08 EDT (-0400)

Key to Geopyxis (Tarzetta)
See page 213 & 214 for a description of Tarzetta catinus.

as you suspected all along, Irene…
By: Debbie Viess (amanitarita)
2010-06-19 10:29:08 EDT (-0400)

the outer texture of the cup is also a good match for other Tarzetta catinus images that I found online, but are we sure that catinus is our only good match for a North American Tarzetta sp.?

micrographs added.
By: Debbie Viess (amanitarita)
2010-06-19 00:11:25 EDT (-0400)
What did you find in the scope?
By: Irene Andersson (irenea)
2010-06-12 15:40:57 EDT (-0400)

They remind a bit of Tarzetta (Tazzetta).

they looked just as pictured.
By: Debbie Viess (amanitarita)
2010-06-12 14:31:31 EDT (-0400)
Were these erumpent?
By: Daniel B. Wheeler (Tuberale)
2010-06-12 14:06:51 EDT (-0400)

That stipe has me stumped almost as much as that morel artifact in the background! It might be something like Geopora arenicola, which is usually found in sandy soil with the opening barely above ground level.

I considered that ID…
By: Debbie Viess (amanitarita)
2010-06-09 00:40:25 EDT (-0400)

but this cup is pale gray overall, with a long stipe. I will scope it tomorrow.

Created: 2010-06-08 22:19:18 EDT (-0400)
Last modified: 2013-12-03 13:25:16 EST (-0500)
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