Lemon Disco

Bisporella citrina

Appears in

By Roger Phillips

Published 2006

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Lemon Disco Bisporella citrina (Batsch) Korf & S.E. Carp. syn. Calycella citrina (Hedw.) Boud. (illustrated 65% life size) Fruit body 0.5–3mm across, saucer-shaped, tapered below to small base; bright yellow, becoming orange-yellow when old or dried; exterior smooth. Spores 9–14×3–5¼, elliptical, often becoming 1-septate, containing 2 oil drops at each end. Asci 135×10¼. Habitat gregarious in dense swarms on dead wood of deciduous trees; autumn. Common. Not edible.