Pluteus admirabilis

Scientific name:   Pluteus admirabilis (Peck) Peck
Derivation of name: Ad- means "to" or "toward" and
mirab- means "admirable."
Synonyms:  
Common name(s):  Yellow Pluteus.
Phylum:   Basidiomycota
Order:   Agaricales
Family:   Pluteaceae
Occurrence on wood substrate: Saprobic; single to
several on decaying deciduous wood; June through
September.  
Dimensions:  Caps 1-3 cm wide; stipes 3-6 cm long
and 1.5-3 mm thick.   
Cap: Moist when young; bright yellow, fading to
yellow-brown in age; smooth to wrinkled in the center. 
Gills: Free, whitish at first, then pale yellow, and finally
pinkish at maturity.
Spore print: Salmon
Stipe: Yellow.
Veil: Absent.
Edibility: Edible.
Comments: The similar P. leoninus has a smooth cap
and a white stalk.

More information at MushroomExpert.com:   


Figure 1.Pluteus admirabilis. It's important to see the mature
gill color in order to confirm the identity of this species.
Photo © William Roody.

Figure 2. The gills are white on these young specimens but
will turn pinkish as the salmon-colored spores mature.
Photo © Gary Emberger.

Figure 3. Note the wrinkling near the center of the cap.
Photo © John Plischke III.