Meadow mushroom, Agaricus campestris
Cap up to 10cm wide, convex, white to creamy, dry, smooth.
older specimens have a nearly planar cap and can be dingy white to cinnamon brown. Flesh is white, firm, possibly with a brown tint. Gills are crowded, free from the stem, progressing from characteristically pink to chocolate brown with age.
stem smooth, white, equally wide, dry, smooth above the ring with loose fibrils near the base. Slowly bruises off-white, to dingy brown, NOT staining yellow, orange or red.
partial veil is smooth, white, progressing to a brown ring.
grows in grassy areas, meadows and fields, often in a ring.
appears in spring, sumer, or fall. Taste is mild, odor is pleasant; cook before eating. An edible look-alike is Agaricus bisporus, which is the commercial white mushroom found in grocery stores. Warning: discard specimens that do not have the distinctly pink gills or who's flesh stains yellow, orange, or red; these can be poisonous look-alikes. Warning: white mushrooms must always be treated with extra caution and attention to detail, there are a number of deadly poisonous species.