Gymnopilus liquiritiae is a widely distributed mushroom which grows in dense clusters on dead conifer wood. It has a rusty orange spore print, a bitter taste, and may contain the hallucinogen psilocybin.[1] One of its key distinguishing features is the lack of partial veil.


  • Cap: 2 – 8 cm in diameter; initially convex, becoming nearly plane to nearly umbonate in age, dry, smooth, rusty brown to orange color, margin even, at length striatulate (with marked by small lines, grooves or ridges), cracking slightly in age, flesh pale yellow to pale orange.
  • Gills: Close to crowded; broad, edges fimbriate, yellowish or pale orange, eventually orange; sometimes with reddish brown spots.
  • Spore Print: Rusty brown.
  • Stipe: (1)3 – 7 cm long; (2)3 — 8(10) mm thick; more or less equal, or tapering in either direction; sometimes slightly, even to off-center; smooth or finely fibrous; whitish to pale orange; yellowish or rusty colored mycelium at the base of the stalk. No partial veil.
  • Taste: Bitter
  • Odor: Mild or sometimes like raw potatoes
  • Microscopic features: Spores 7 — 8.5(10) x 4 — 5.5 µm, elliptical; pleurocystidia (inconspicuous), cheilocystidia, pileocystidia and caulocystidia present.[2]

Habitat and formation

Gymnopilus liquiritiae is a widely distributed wood rotting mushroom, subcaespitose on conifer, seems to prefer dead hardwood in the southern regions.


  1. Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. ISBN 0-9610798-0-0. 
  2. "A Trial Key to GYMNOPILUS in the Pacific Northwest". Retrieved 2008-11-20. 

External links

This page uses content from the English Wikipedia. The original article was at Gymnopilus liquiritiae. The list of authors can be seen in the page history.

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