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Panaeolus foenisecii

Common Name: Lawn Mower's Mushroom

Synonyms: Psathyrella foenisecii, Panaeolina foenisecii

Substrate: Manure

Location: Fields, Lawns

Spore Color: Dark Brown

Gill Color: Mottled Brownish

Comments: 

This mushroom is commonly found in lawns shortly after rainstorms. It often fruits in abundance. The stem is very brittle, and the cap has a red-brown bell shape. The cap is "hygrophanous" meaning it changes color as it begins to dry out. This often leaves bands of different colors in circles around the cap. Under a microscope you should find warty spores with an apical pore.

Some collections of P. foenisecii have been reported to contain low levels of hallucinogenic compounds, but most report no activity. This mushroom is most commonly found in spring and early summer.

Lookalikes:  

Pictures:

Panaeolus foenisecii

Panaeolus foenisecii

Panaeolus foenisecii

5/2/12 - Bloomington, IN

Panaeolus foenisecii

8/22/12 - Summit Lake State Park - New Castle, IN