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Hygrocybe pratensis

Cuphophyllus pratensis
2010-11-20 Cuphophyllus pratensis.jpg
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hygrophoraceae
Genus: Cuphophyllus
Species: C. pratensis
Binomial name
Cuphophyllus pratensis
(Schaeff.) Bon (1985)
Synonyms
  • Agaricus pratensis Schaeff. (1774)
  • Hygrophorus pratensis (Schaeff.) Fr.) (1836)
  • Camarophyllus pratensis (Schaeff.) P.Kumm. (1871)
  • Hygrocybe pratensis (Schaeff.) Murrill (1914)

Cuphophyllus pratensis is a species of agaric (gilled mushroom) in the family Hygrophoraceae. It has been given the recommended English name of meadow waxcap in the UK and in North America has variously been called the meadow waxy cap,salmon waxy cap, and butter meadowcap. The species has a widespread, mainly temperate distribution, occurring in grassland in Europe and in woodland elsewhere. The basidiocarps (fruit bodies) are edible and are occasionally collected and sold commercially.

The species was first described in 1774 by the German mycologist and naturalist Jacob Christian Schäffer as Agaricus pratensis. It was subsequently combined in a number of different genera, before being transferred to Hygrocybe in 1914. The specific epithet comes from Latin "pratensis" (= growing in meadows).Molecular research published in 2011, based on cladistic analysis of DNA sequences found Hygrocybe pratensis not to belong in Hygrocybe sensu stricto and was moved back to the genus Cuphophyllus, in which it had previously been placed.

Basidiocarps are agaricoid, up to 150 mm (6 in) tall, the cap convex at first, becoming flat, umbonate, or slightly depressed when expanded, up to 125 mm (5 in) across. The cap surface is smooth and dry, pale salmon to orange-buff. The lamellae (gills) are waxy, pale cap-coloured, and decurrent (widely attached to and running down the stipe). The stipe (stem) is smooth, cylindrical or tapering to the base, and cream to pale cap-coloured. The spore print is white, the spores (under a microscope) smooth, inamyloid, ellipsoid, about 5.5 to 6.5 by 4.0 to 5.0 μm.


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