Scientific name: Volvariella bombycina (Schaeff.)
Derivation of name: Bombyc- means "silky" in reference
the silky fibers of the cap.
Synonyms: Agaricus bombycinus Schaeff.
Common name(s): Tree Volvariella.
Occurrence on wood substrate: Saprobic; solitary or in
groups on deciduous standing trees or stumps or logs; July
Dimensions: Caps 5-20 cm wide; stipes 6-20 cm long
Cap: White to yellowish-white; dry, silky-fibered.
Gills: Free; white at first, becoming pinkish.
Spore print: Salmon to pink.
Stipe: White; smooth; dry; surrounded at base by a
Comments: These mushrooms often grow out of wounds
More information at MushroomExpert.com:
Figure 1. Volvariella bombycina growing from the base of a
sugar maple tree (Acer saccharum) in a residential
landscape. Photo © John Dawson.
Figure 2. The whitish cap is covered with silky fibers. Photo
© John Dawson.
Figure 3. The stipe arises out of a volva, the remains
universal veil. Photo © John Dawson.
Figure 4. The pinkish gills are free from the stalk. Photo ©