Appearance
The deeply cup-shaped cap of the fruiting body is up to 3 centimetres broad. The outer surface of the cap is blackish-brown near the top, with the color turning to white as it near the stem; the inner surface of the cup is blackish. The stem can be up to 4 cm long by 0.5 cm thick, with ribs or folds extending onto the undersurface of the cap."Helvella acetabulum" is a similar species, with more defined ribs.
Distribution
In North America, this fungus is rare, but it has been collected in California, Alaska, and the Rocky Mountains. It has also been found in South America and Europe. It typically grows in coniferous forests, and the white stipe may be hidden or obscured by leaves or may be partially buried in the soil. It can be found from spring to early summer.References:
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