Species

Astraeus hygrometricus (Hygroscopic earthstar)

Astraeus hygrometricus. Photo: (c) Davide Puddu, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Astraeus hygrometricus, commonly known as the hygroscopic earthstar, the barometer earthstar, or the false earthstar, is a species of fungus in the family Diplocystaceae. Young specimens resemble a puffball when unopened. In maturity, the mushroom displays the characteristic earthstar shape that is a result of the outer layer of fruit body tissue splitting open in a star-like manner. The false earthstar is an ectomycorrhizal species that grows in association with various trees, especially in sandy soils….

— Wikipedia

Sightings

Where in Humboldt

Discussion

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