Observation 209783: Hymenogaster Vittad.
When: 2015-07-12

Notes: Found beneath native hazel nut bush, Corylus americana, and no other hosts nearby as it’s a commercial plantation of them. Several specimens. No real odor noted.

Proposed Names

27% (2)
Eye3
Recognized by sight
Used references: Trappe et al. Field Guide to North American Truffles
68% (3)
Eyes3
Based on microscopic features: spore morphology

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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hmmmm
By: Michael Castellano (trufflercaz)
2016-04-29 00:33:16 BST (+0100)

I would call it a Hymenogaster species. Would have to study it to determine species. Interesting find from an understudied geographic area.

Yeah, I was perplexed
By: Britt Bunyard (Fungi magazine) (bbunyard)
2015-07-13 05:43:37 BST (+0100)

and was hoping for names. I’ll be sending to experts and will keep MO posted. Thanks!

A distinctive feature
By: Daniel B. Wheeler (Tuberale)
2015-07-13 05:00:05 BST (+0100)

of Rhizopogons are rhizomorphs on the peridium. Of your collection of 11 sporocarps, I see only 3 rhizomorphs.

There are many other possibilities here, including Cystangium, Fevansia, Gautieria, Gymnomyces, Hymenogaster, Leucophleps, and Zelleromyces: all of which are loculate also. Additionally, Cystangium, Gymnomyces and Hymengaster are known to fruit year-round.

While this is a loculate fungus, I would hesitate to state it was Rhizopogon. Were that true, rhizomorphs should be present on every sporocarp present.

Created: 2015-07-12 20:17:29 BST (+0100)
Last modified: 2016-04-29 04:51:54 BST (+0100)
Viewed: 54 times, last viewed: 2016-08-04 17:45:55 BST (+0100)
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