Observation 209138: Helvella crispa (Scop.) Fr.
When: 2015-07-05
No herbarium specimen

Notes: found at Cumberland Mycological Society walk in mixed woods by Jessica Tezak
solitary specimen
stipe heavily ribbed with no pockets or holes (see 2nd photo)
irregularly-lobed cap, undersurface relatively smooth
overall length 6 cm; cap 2.5 × 2 cm; stem 3.5 × 1 cm
spores broadly elliptical, large oil drop in some, none or more than one in others, 17 -20 × 11 -14 um

Images

535846
535847
stipe section cut to show no pockets or holes in ribs
536166
spores broadly elliptical, large oil drop in some, none or more than one in others

Proposed Names

55% (1)
Eye3
Based on microscopic features: spores broadly ellipsoid; one large oil drop in many, none or more than one in others
17-20 × 11 -14 um
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Helvella sulcata vs. H. crispa
By: Steve Roberts (Mushroom World)
2015-07-09 05:17:20 BST (+0100)

Walt,

The main reason I went with H. sulcata was due to the lack of chambers in the ribs of the stalk (as opposed to H. crispa, which apparently does have chambers -ref. Ascomycete Fungi of N. America, p. 160).

-Steve R.

Created: 2015-07-07 19:43:45 BST (+0100)
Last modified: 2015-07-09 05:18:09 BST (+0100)
Viewed: 52 times, last viewed: 2016-10-23 23:59:08 BST (+0100)
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