Observation 58352: Helvella lacunosa group

When: 2010-11-09

Collection location: Shoreline Christian School, Shoreline, King Co., Washington, USA [Click for map]

Who: Tim Sage (NMNR)

No specimen available

Species Lists


Proposed Names

22% (2)
Recognized by sight
56% (1)
Recognized by sight: An ascomycete parasitizing the black cap of the Helvella.
79% (1)
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.

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= Observer’s choice
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Add Comment
The cap at least
By: Daniel B. Wheeler (Tuberale)
2010-11-09 20:12:45 CST (-0500)

is now Hypomyces, a common parasite on H. lacunosa. But the stipe is clearly H. lacunosa, so you’re right as well, Tim. Can also be colonized by Clitocybe sclerotoidea, shown in other observations here, producing a hypogeous mass often involved with nearby needle duff, and eventually producing a small clustered mushroom.