[Tylopilus ferrugineus (Frost) Sing. Det. R. Singer]
H. A. Kelly
536
1920-08-21
L. C. C. Krieger
USA, Maryland, Loop Mountain State Sanitorium
Quercus woods
[Spores] 13.5 x 4 microns.
[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 "Boletus alutarius"]