Scientific name: Flammulaster erinaceellus (Peck) Watling
Derivation of name: Erinace- means "hedgehog" in reference
to the erect granules or scales covering the cap and stalk.
Synonyms: Phaeomarasmius erinaceellus (Peck) Singer;
Pholiota erinaceella (Peck) Peck
Common name(s): Powder-scale Pholiota; Hedgehog
Occurrence on wood substrate: Saprobic; solitary to grouped
on deciduous logs, stumps, and fallen limbs; August through
Dimensions: Caps 1-4 cm wide; stipes 3-6 cm long and 3-6
Cap: Surface dry, covered with erect granules or scales; rust-
brown at first, fading to yellow-brown; margin often with
remnants of partial veil.
Gills: Attached; whitish or yellowish at first, becoming rust-
colored in age.
Spore print: Cinnamon-brown.
Stipe: Dry; covered with rust-colored scales below veil; whitish
and without scales above veil.
Veil: Fibrous, leaving zone of minute fibers or a slight ring on the
Comments: Compare this species with the description of
Pholiota granulosa in Bessette's field guide. The two species
are similar enough to warrant a careful comparison of
Figure 1. A fruiting of powder-scale pholiota. Note the
marginal veil remnants. Photo © William Roody.
Figure 2. Young and mature specimens of
Phaeomarasmius erinaceellus. Photo © John Plischke III.
Figure 3. Note the
granular/scaly material on the caps and
stipes. Photo © John Plischke III.