When: 2015-07-05

Collection location: Frozen Head State Park, Wartburg, Tennessee, USA [Click for map]

Who: Steve Roberts (Mushroom World)

No specimen available

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

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

Proposed Names

55% (1)
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
57% (1)
Recognized by sight

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= Observer’s choice
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Comments

Add Comment
Helvella sulcata vs. H. crispa
By: Steve Roberts (Mushroom World)
2015-07-09 00:17:20 CDT (-0400)

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.