Western Jack O’Lantern Mushrooms

by on September 26, 2012 in

 
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The bright orange fruiting bodies of the toxic jack-o-lantern mushroom glow green on dark nights. Photo by Ron Wolf.

Western Jack O’Lantern Mushrooms (Omphalotus olivascens). The name reflects the bioluminescent property of the gills of a fresh specimen, which emit a greenish glow. This species is poisonous. Henry Cowell Redwoods State Park. Felton, Santa Cruz Co., Calif.

 

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