Sessile Earthstar

Geastrum fimbriatum

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Mushrooms

Mushrooms

By Roger Phillips

Published 2006

Sessile Earthstar Geastrum fimbriatum Fr. syn. G. sessile (Sowerby) Pouzar (illustrated 90% life size) Fruit body opening to 2–4cm across, globose at first, splitting into 5–8 pointed rays; pale cream with flesh tinge. Spore sac 8–15mm across, sessile, opening by a central pore surmounting a slightly raised mouth, not delineated from the spore sac; pale cream to buff. Spores 2.9–3.5¼ in diameter, globose, minutely warted. Spore mass dark brown. Habitat on rich humus under deciduous trees; autumn. Occasional. Not edible.

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