Georeferenced to the geographic center of Warren Woods State Park, in Berrien County Michigan. Uncertainty measured from center to park corners shown by Google.
Notes with collection; this collection had no locality information. I checked A. H. Smith's fieldbook and entered Warren Woods. This may or may not be accurate. MKF; additionalNotes by V. M. Bandala North Amer. Sp. Crepidotus 1965 pg. 139.