United States of America, Illinois, Clark, Illinois 1. Approx. 200m south from intersection between N Ernst Rd. and Illinois 1, Marshall.
39.31355 -87.6720333 WGS84
location information not given for endangered species
Vegetative
Preserved herbarium specimen
Project germplasm id.: PhorIL380 Voucher for: Chavez, D.J. 2013. The North American Plums (Prunus spp.) and Their Use as Germplasm Resources: From Population to Phylogenetic Studies - a Breeder's Perspective -. Ph.D. Dissertation, Dept. of Horticultural Sciences, Univ. of Florida.