Observation 50746: Helvella vespertina N.H. Nguyen & Vellinga

When: 2010-08-19

Collection location: Point Reyes National Seashore, Marin Co., California, USA [Click for map]

Who: Ken Stavropoulos (pennybun)

No specimen available



Proposed Names

-27% (4)
Recognized by sight
64% (2)
Recognized by sight: pine needles present
Used references: H. lacunosa s.s. is not in North America
See Nguyen, Nhu H., et al. “The Helvella lacunosa species complex in western North America: cryptic species, misapplied names and parasites.” Mycologia 105.5 (2013): 1275-1286.
-43% (2)
Recognized by sight: Larger folds, high contrast between cap and stipe.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Overgeneralization clarification
By: P. Hill (phill)
2015-05-22 20:24:31 PDT (-0700)

Thanks for the clarification that Nguyen et al. confirmed H. lacunosa in N.A. I I have seen this over-generalization a few times now. Apparently, the interest in the 2 (and more) new species west of the Rockies obscured and confused the more subtle results of H. lacunosa (and others) in easter N.A.

European Helvella lacunosa
By: else
2015-05-22 17:54:01 PDT (-0700)

two things:
the collection shown here is H. vespertina.

Helvella lacunosa in Europe is a complex of several different species (see the paper by Nguyen et al.), and a collection from New Hampshire investigated in that paper matches perfectly specimens from Europe, and a collection from Minnesota also matches European samples – so in North America east from the Rocky Mountains, taxa occur that also occur in Europe.

H. lacunosa s.s. is not in North America?
By: P. Hill (phill)
2015-05-22 17:33:54 PDT (-0700)

The paper found lots of new data for western North America, but did not make any claim to eliminate H. lacunosa everywhere in N.A.

Created: 2010-08-19 11:12:34 PDT (-0700)
Last modified: 2015-05-22 18:58:18 PDT (-0700)
Viewed: 73 times, last viewed: 2016-03-24 04:37:24 PDT (-0700)
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