Chloryphyllum molybdites (Green-spored Lepiota)

Description: Large, white mushroom with broad, buff scales over center, free white gills maturing sordid gray-green, and ring on stalk.

Cap: 2-12" (5-30 cm) wide; doorknob-shaped, becoming flat; dry, white, with several large, pinkish-buff patches over center, breaking into many small scales on expansion.

Gills: free, close, broad; white, slowly becoming sordid gray-green or darker.

Stalk: 4-10" (10-25 cm) long, 3/8-1" (1-2.5 cm) thick, enlarging toward base; smooth, white, discoloring on handling.

Veil: partial veil membranous, white, leaving persistent, double-edged, often movable, pendant rings on upper stalk.

Spores: 8-13 X 6.5-8 m; elliptical, smooth, colorless, thick-walled, with small pore at tip; dextrinoid. Spore print green.

Edibility: Poisonous.

Season: August to September.

Habitat: Lawns, pastures, meadows; often in fairy rings.

Range: Florida to California; common in Denver; reported in New York, new Jersey, and Michigan.

Look-alikes: Lepiota species have white spore print. L. procera has tall, slender, scaly stalk. L. rachodes has flesh bruising saffron. L. naucina has a smooth cap. Agaricus/i> species have brown to purple-brown spore print.

Comments: Also known as Lepiota morgani. this very common mushroom can be a drastic sickener, causing one to two or more days of violent purging.

Chloryphyllum molybdites images and excerpt from Gary H. Lincoff's National Audubon Society Field Guide to North American Mushrooms, (1981/2004, pp. 509-510 , images #169, 170).

Chloryphyllum molybdites (Green-spored Lepiota)
Chloryphyllum molybdites (Green-spored Lepiota)2
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