San Francisco State University, Harry D. Thiers Herbarium (SFSU)
SFSU-F-008640
64b4a5a0-b478-4afd-828f-dd8d9f386bab
Agaricus silvaticus Schaeff.
Agaricaceae
D. E. Madden
D. E. Madden
644
1966-11-29
USA, California, Marin, Muir Woods National Monument.
37.895869 -122.575354 +-500m.
Gregarious in soil under California laurel (Umbellularia californica), Douglas fir (Pseudotsuga menziesii), Tanbark oak (Notholithocarpus densiflora), and Redwood (Sequoia sempervirens).