Stropharia aeruginosa (Verdigris Roundhead)
Family
Strophariaceae
Location
Europe, North America, Asia (Iran)
Dimensions
Cap 2-8 cm diameter, stem 4-10 cm tall * 0.4-1.2 cm thick
Edibility
This site contains no information about the edibility or toxicity of mushrooms.
Description
Stropharia aeruginosa, also known as Verdigris Roundhead, is a medium-sized agaric with a slimy, blue-green cap, scaly stem with ring and pale or purple-brown gills. The mushroom grows in small trooping groups on soil, often amongst grass, in woods, pastures and heaths.

Cap blue-green, becoming more pallid yellow with age, convex or somewhat concamulate, glutinous at first with fine cottony scales. The flesh is white tinged with blue, firm, and moderately thick. Gills attached broadly to the stem initially but receding with maturity, either close or nearly distant at maturity, with short gills frequent. The colour starts as whitish to pale grey, gradually turning purplish-grey to purple-black. Stem bluish, covered with white woolly scales below the ring which is transient and soon discoloured brown by falling spores, fairly slender and more or less equal in width. Spore print purplish brown to purplish black..

Microscopic Features: Spores are ellipsoidal, smooth, measuring 7.5-9 x 4.5-5μm, and feature a germ pore.

Stropharia aeruginosa on the first-nature.com Web site.
Stropharia aeruginosa on the MushroomExpert.Com Web site.

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