Page author: Olivia Filialuna
Astraeus hygrometricus
barometer earthstar, hygroscopic earthstar, water-measure earthstar

Habitat: woodlands

Substrate: on the ground

Conservation Status: Not of concern

Edibility: Not edible


Not edible

Identification Notes:

Spores are brown. Fruitbody growth of up to 2 inches and diameter up to 4 inches. Geastrum species have arms that are not hygroscopic and remain out in dry weather.

Sources: Roberts, Peter and Evans, Shelley. The Book of Fungi. Chicago, The University of Chicago Press, 2011.

Accepted Name:
Astraeus hygrometricus (Pers.) Morgan

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Astraeus hygrometricus in the Consortium of Pacific Northwest Herbaria database

CalPhotos: Astraeus hygrometricus photos

1 photographs:
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