Basidiomycota > Agaricomycetes > Agaricales > Agaricale > Family Crepidotaceae.
Synonyms include Agaricus sessilis and Agaricus variabilis.
These are widespread and common mushrooms.
Their shape and size are very variable depending on the environment.
They grow on wood and plant debris.
They may be solitary but are usually found in small groups.
They are small, up to 2 cm across and initially kidney-shaped.
They almost always have no stalk being attached by the side of the cap.
Their final shape varies depending on the surroundings but they are typically fan-shaped.
The cap is white but darkens to a creamy brown as it ages.
It has fine hairs giving a velvety appearance and the margin may be slightly lobed.
The gills are moderately crowded and radiate from the point of attachment.
They are white but darken to yellow-brown when the spores are mature.
Spore prints are yellow-brown.
J.F
