Gymnopilus abramsii

Gymnopilus abramsii is a species of mushroom in the family Strophariaceae. It was first described by American mycologist Murrill in 1917. The epithet "abramsii" commemorates LeRoy Abrams.
Description.
The cap is in diameter.
Habitat and distribution.
Found in California, "Gymnopilus abramsii" grows on soil, and typically fruits in November.