G.F. Atkinson originally named it "Amanita calyptroderma" in 1908, based upon specimens and descriptions sent to him by Mrs. Virginia Garland Ballen, a resident of Brookdale in Santa Cruz, California.
G.F. Atkinson originally named it "Amanita calyptroderma" in 1908. His descriptions were based upon specimens and notes sent to him by Mrs. Virginia Garland Ballen, a resident of Santa Cruz, California.