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Agaricus sp.
These large mushrooms were growing in between sidewalk pavers next to an irrigation drain. They looked like portobello mushrooms to me. There was a smaller mushroom that someone removed. Any help with an ID would be great.
Urban house sidewalk landscape pavers.
Members of Agaricus are characterized by having a fleshy cap or pileus, from the underside of which grow a number of radiating plates or gills on which are produced the naked spores. They are distinguished from other members of their family, Agaricaceae, by their chocolate-brown spores. Members of Agaricus also have a stem or stipe, which elevates the pileus above the object on which the mushroom grows, or substrate, and a partial veil, which protects the developing gills and later forms a ring or annulus on the stalk. Wikipedia
Spotted on Feb 9, 2012
Submitted on Feb 11, 2012
1 Comment
Thank you for the ID pouihi!