USA, Maryland, Montgomery, Blue Ridge Mountains, State Sanitarium
Mycologia 1927 19: 308.[Watercolor painting by L. C. C. Krieger of this specimen is available. High-resolution scan of the watercolor is available online at the U-M digital library, "University of Michigan Herbarium, Krieger's Watercolors of Fungi" (http://quod.lib.umich.edu/f/fuwatic?page=index) listed under "Agaricus auricolor n. sp."]