According to Michael Kuo, A. muscaria var. formosa is actually a European species, while the North American species is A. muscaria var. guessowii. http://www.mushroomexpert.com/amanita_muscaria_guessowii.html
I didn't get a look at the gills and now I can't find it anywhere.
Rojo con escamas color beige, muy bonito.
Wilson Wetland, upland area
Amanita muscaria, Mendocino Coast, California
Amanita Muscaria, Manchester State Park, California
Amanita muscaria, commonly known as the fly agaric ( /ˈæɡərɪk/) or fly Amanita ( /ˌæməˈnaɪtə/), is a poisonous and psychoactive basidiomycete fungus, one of many in the genus Amanita. Native throughout the temperate and boreal regions of the Northern Hemisphere, Amanita muscaria has been unintentionally introduced to many countries in the Southern Hemisphere, generally as a symbiont with pine plantations, and is now a true cosmopolitan species. It associates with various deciduous and coniferous trees. The...