Buttery Collybia

Rhodocollybia butyracea

"Rhodocollybia butyracea", common name Buttery Collybia, is a species of fungus in the Marasmiaceae family of mushrooms.
Buttery Collybia - Rhodocollybia butyracea Gill formation,  Australia,Buttery Collybia,EW Collybia,Eamw fungi,Geotagged,Rhodocollybia butyracea,Winter

Appearance

The cap of this mushroom is 2 to 10 cm across. It is convex and becomes broadly convex or almost flat. When fresh, this species is smooth and moist. It has a reddish-brown colour fading to cinnamon.

The gills are either free from the stem, or narrowly attached. They range from close to crowded and are whitish. Occasionally, they develop a pinkish tone as they age, and often form fine, jagged edges.

The stem is up to 10 cm long and 1 cm thick. It is normally somewhat club-shaped. It can either be moist or dry

The flesh of this species is white. There is no distinctive odor or taste.

The spores are pale yellowish, pale pinkish, or white.
Buttery Collybia - Rhodocollybia butyracea (side view) Meerdaalbos, Dec 2013. 
https://www.jungledragon.com/image/128377/buttery_collybia_-_rhodocollybia_butyracea_top_view.html Belgium,Buttery Collybia,Fall,Geotagged,Rhodocollybia butyracea

Habitat

This species is saprobic. It decomposes litter from conifers, usually that of the "Pinus" genus, and occasionally hardwoods. "Rhodocollybia butyracea" is quite widely distributed in North America.

References:

Some text fragments are auto parsed from Wikipedia.

Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyOmphalotaceae
GenusRhodocollybia
SpeciesR. butyracea