Amanita silvicola Kauffman Cap 5-12cm across, convex to flat and sometimes wavy, margin often incurved and with hanging veil fragments; white; patches of dirty white, woolly veil remnants on the cap; a bit sticky. Gills free to just reaching the stem, crowded, narrow to broad; white. Stem 60-100 x 10-25mm, solid, tapering slightly at the top; white with occasional brown stains; large, rarely rooting basal bulb with woolly veil remnants on the margin; evanescent white ring toward the top of the stem. Flesh quite thick; white. Spores ellipsoid, amyloid, 8.3-11.2 x 4.5-6.2µ. Deposit white. Habitat scattered to gregarious on the ground in coniferous or mixed woods, particularly under Douglas fir. Fairly common. Found in the Pacific Northwest and California. Season September - October (November - February in California). Not edible-avoid; dangerous as so many amanitas contain deadly toxins.