Observation 122568: Geoglossum difforme Fr.

When: 2011-09-09

Collection location: Ricketts Glen, Luzerne Co., Pennsylvania, USA [Click for map]

Who: Phil Yeager (gunchky)

No specimen available

Found growing among pine needles

Proposed Names

63% (2)
Eye3 Eyes3
Used references: Phillips

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Did you do microscopy on this one?
By: Django Grootmyers (heelsplitter)
2018-02-05 21:59:49 PST (-0800)
Phil, Phillips writes that…
By: Dave W (Dave W)
2013-01-22 17:26:53 PST (-0800)

T. octopartitum has a compressed club shaped to spoon shaped fruit body. Bessette describes the head of the T. farlowii fruit body as “compressed in the center…” Your collection seems to match the photos/descriptions of G. difforme best. But this looks like a case where microscopy would be required to be completely certain of the ID.

By: Phil Yeager (gunchky)
2013-01-22 14:40:55 PST (-0800)

Dave , my observation was based on the habitat I found it in, and the fact that the fruiting body was strongly compressed longitudinaly. The two Trichoglossum species in Phillips did not possess this feature.

During the past 6 to 8 years,
By: Dave W (Dave W)
2013-01-21 16:31:04 PST (-0800)

I have made only one collection of black earth tongue, and it was not local.

I wouldn’t
By: Irene Andersson (irenea)
2013-01-21 07:26:01 PST (-0800)

suggest a species without microscopy. But in the full size picture they do look hairy as Trichoglossum.

Is difforme a common species in North America? It’s one of the rarest in Fennoscandia…

Phil, did you…
By: Dave W (Dave W)
2013-01-21 07:14:03 PST (-0800)

rule out Trichoglossum for this collection? The two different genera include some similar-looking black earth tongues.

Created: 2013-01-10 16:27:24 PST (-0800)
Last modified: 2018-02-06 03:02:15 PST (-0800)
Viewed: 672 times, last viewed: 2018-03-20 09:12:40 PDT (-0700)
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