Scientific name: Microstoma floccosum (Schwein.) Raitv.
Derivation of name: Micr- means "small" and stom-
Flocc- means "wooly."
Synonyms: Anthopeziza floccosa (Schwein.) Kanouse
Common name(s): Shaggy scarlet cup
Occurrence on wood substrate: Saprobic; clustered on
decaying hardwood branches and buried wood; June
Dimensions: Stalked cups up to 4.5 cm tall; cup up to
Sterile outer surface: Pink to red; covered by
Fertile inner surface: Bright red; smooth.
The rim of the cup bears a distinct fringe of
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Figure 1. Very young specimens of Microstoma floccosa
fallen branch. Photo © Gary Emberger.
Figure 2. The distinct fringe of white hairs on the cup rims
is an unmistakable field trait. Photo © David
Figure 3. The stalks on this trio of shaggy scarlet cups are
exceptionally long. Photo © John Dawson.
Figure 4. A tight cluster of Microstoma floccosa arising
Photo © William Roody
Figure 5. Can you think of a prettier fungus?
Photo © Pam Kaminski.