Scientific name: Entoloma serrulatum (Fr.) Hesler
Derivation of name: Serrul- means "finely serrate" in
reference to the gill edges.
Synonyms: Leptonia serrulata (Fr.) P. Kumm.
Common name(s): Saw-gilled Leptonia; Blue-toothed
Entoloma.
Phylum: Basidiomycota
Order: Agaricales
Family: Entolomataceae
Occurrence on wood substrate: Saprobic; solitary or
several on the ground or on decaying, moss-covered logs and
stumps; June through September.
Dimensions: Caps 1-4 cm wide; stipes 3-8 cm long and
1.5-3 mm thick.
Cap: Bluish-black fading to pale violet-gray with age.
Gills: Subdecurrent to decurrent; whitish at first, then bluish-
gray to pinkish at maturity; gill edges toothed and dark
blue-black in color.
Spore print: Salmon-pink.
Stipe: Bluish-black, fading with age; white mycelium present
at base.
Veil: Absent.
Edibility: Not edible.
Comments: Altogether, this mushroom has a striking and
unique combination of characteristics.
More information at MushroomExpert.com:
Figure 1. Young specimens. Photo © John Plischke III.
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Figure 2. Older specimens with much of the color
faded away. Photo © Pam Kaminki.
Figure 3. Note the finely serrated and dark gill edges.
Photo © Gary Emberger.
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