Scientific names: Crepidotus mollis (Fr.) Staude;
Crepidotus applanatus (Pers.) P. Kumm.; Crepidotus
crocophyllus (Berk.) Sacc.
Derivation of name: Moll- means "soft." Applanatus
"flattened." Crocophyllus means "saffron-colored
Common name(s): Crepidotus applanatus is called the
Flat Crep; Crepidotus mollis is called the Jelly Crep, and
crocophyllus is called the Orange Crep.
Occurrence on wood substrate: Saprobic; clustered,
overlapping on decaying hardwoods (rarely
conifers); July through September.
Dimensions: See figure captions.
Cap: See figure captions.
Gills: Radiating from point of attachment.
Spore print: Brownish.
Stipe: Absent, attached to substrate by a short, hairy plug
Comments: Miller indicates the presence of over 100
of Crepidotus in North America sharing traits
such as thin
flesh, convex to fan-shaped caps,
inhabiting wood, and having brownish
spores. Most require
the use of a microscope to identify
them. Two common species and one uncommon but
distinctive species (C. crocophyllus) are described on
More information at TomVolkFungi.net
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Figure 1. Crepidotus mollis. Caps are 1-8 cm wide; color
from olive-brown to ochraceous whitish. Caps
with dark brown fibrous scales. The gelatinous
of the cap can be stretched slightly at the margin.
whitish at first but becoming brownish.
Figure 2. Another view of Crepidotus mollis.
Photo © John
Crepidotus mollis specimens photographed at
the 2007 NEMF foray. Photo © Gary Emberger.
Figure 4. Crepidotus applanatus. Caps are 1-4 cm wide;
white when young, becoming brownish with age.
hairless or minutely downy. Gills white at first,
becoming brown. Photo © John Plischke III.
Figure 5. Crepidotus applanatus photographed at the 2007
NEMF foray. Photo © Gary Emberger.
Crepidotus crocophyllus with saffron-orange gills
and hairy cap, photographed at the 2007 NEMF foray.
Caps 1-4 cm wide, orange to orange-brown and minutely
scaly. Photo © Gary Emberger.