Ripartites tricholoma

Ripartites tricholoma, commonly known as the bearded seamine, is a species of fungus in the family Tricholomataceae. It was first described scientifically as Agaricus tricholoma by Albertini and Lewis David von Schweinitz in 1805,[1] and later transferred into the genus Ripartites by Petter Karsten in 1879.[2] It is found in North America and Europe,[3] and has also been collected in Costa Rica.[4]

Ripartites tricholoma
Ripartites tricholoma
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Tricholomataceae
Genus:
Ripartites
Species:
R. tricholoma
Binomial name
Ripartites tricholoma
(Alb. & Schwein.) P.Karst.

Description
R. tricholoma, showing the spiny hairs at left.

This fungus is reminiscent of a Clitocybe, but the spore powder is light brown instead of white, and when young the cap rim is surrounded by spine-like hairs, which quickly disappear. The cap is convex and whitish with a diameter ranging up to 7 cm (the sources differ on the range of dimensions). The gills are off-white and they are somewhat decurrent down the brownish stem, which has a white frosting ("pruina") when fresh. The flesh has a mild taste and the smell is not distinctive. The roughly spherical spores are warty and about 5 µm x 4 µm in size.[5][6][7]

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References
  1. Albertini JB, Schweinitz LD von. (1805). Conspectus Fungorum in Lusatiae superioris (in Latin). p. 188.
  2. "Rysslands, Finlands och den Skandinaviska halföns Hattsvampar. Förra Delen: Skifsvampar". Bidrag till Kännedom of Finlands Natur Folk. 32: 477. 1879.
  3. Phillips R. "Ripartites tricholoma". Rogers Mushrooms. Archived from the original on 2008-05-17. Retrieved 2010-12-08.
  4. Halling RE, Mueller GM. "Ripartites tricholoma (Alb. & Schw.:Fr.) P. Karst". Macrofungi of Costa Rica. Retrieved 2010-12-08.
  5. Bon M. (1987). The Mushrooms and Toadstools of Britain and North-western Europe. 7 Bond Street, St. Helier, Jersey: Domino Books Ltd. p. 146. ISBN 0-340-39935-X.CS1 maint: location (link)
  6. Eyssartier G. & Roux P. (2013). Le Guide des Champignons France et Europe (in French). 8, rue Férou, 75278 Paris: Editions Belin. p. 938. ISBN 978-2-7011-8289-6.CS1 maint: location (link)
  7. Knudsen, Henning; Jan Vesterhout (2008). Funga Nordica. Copenhagen: Nordsvamp. p. 412.


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