Cap: 1.5-3.5 (4) cm broad. Hemispherical to campanulate to convex at maturity. Margin initially translucent when moist. Incurved in young specimens. Light brown in color becoming pallid gray to whitish with cap cracking in age. Bruising blue when handled.
Stem: (65) 85-115 mm long by 1.5-3 mm thick. Equal to bulbous at the base with fine fibrillose flecks, partial veil absent. Bluing intensely when damaged from human handling.
Habitat: Growing scattered to gregarious in manure heaps in the tropics and neotropics of both hemispheres.
Distribution: Cosmopolitan, In dung in fields and pastures in Hawaii, Louisiana and Florida (United States); Mexico, Brazil, Bolivia (South America); The Philippines, Eastern Australia, India, Bali, Southeast Asia and other similar locations.
Comment: Although this is a manured mushroom and Paul Stamets reported this species in horse manure from Florida and found specimens growing in Tenino, Washington, the author of this guide has never collected this species in fields where horses dominate the pastures. Only in gaur, cow and buffalo manure.