Rhodocollybia butyracea

Rhodocollybia butyracea, common name Buttery Collybia,[2][3] is a species of fungus in the mushroom family Marasmiaceae. It has a number of subspecies.[4]

Rhodocollybia butyracea
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Subclass:
Hymenomycetes
Order:
Agaricales
Family:
Marasmiaceae
Genus:
Rhodocollybia
Species:
R. butyracea
Binomial name
Rhodocollybia butyracea
(Bull.: Fr.) Lennox[1]
Synonyms

Collybia butyracea (Bull.: Fr.) Quélet

Rhodocollybia butyracea
gills on hymenium
cap is convex or flat
hymenium is adnexed or free
stipe is bare
spore print is cream to buff
ecology is saprotrophic
edibility: edible

Description

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.[5]

The gills are either free from the stem, or narrowly attached. They range from close to crowded and are whitish.[4] 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.[4] 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.[5]

Ecology

This species is saprobic. It decomposes litter from conifers, usually that of the genus Pinus,[5] and occasionally hardwoods.[6]

Habitat

Rhodocollybia butyracea is quite widely distributed in North America.[5]

Edibility

This mushroom is edible, but unsubstantial.[7]

Similar species

Similar species include Gymnopus dryophilus.[4]

References
  1. "Archived copy". Archived from the original on 2011-07-20. Retrieved 2011-04-29.{{cite web}}: CS1 maint: archived copy as title (link)
  2. Rhodocollybia butyracea
  3. Local: image viewer
  4. Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. pp. 119–120. ISBN 978-0-88192-935-5.
  5. Rhodocollybia butyracea (MushroomExpert.Com)
  6. California Fungi: Rhodocollybia butyracea
  7. Phillips, Roger (2010). Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 70. ISBN 978-1-55407-651-2.


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