Possibly yellow patches (?), but too early to tell...
Just a small one, suspect that this could be a second flush given how mild the weather has been at the start of winter.
Note the rugose lower margin of the gills
Somewhat dry. Growing in fog drip under Monterey Cypress duff and dirt in front of parking lot.
The Amanitaceae are a family of fungi or mushrooms. The family, also commonly called the amanita family, is in order Agaricales, gilled mushrooms. The family consists primarily of the genus Amanita, but also includes the genera Catatrama and Limacella.