14 September 2015.
Iowa, United States
Locality: Bixby State Preserve, T91N R5W SW 1/4 SW 1/4 Sec. 23 Clayton County.
Coordinates: 42.6751, -91.4031
(Map it)
Elevation: 308m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Floodplain of Bear Creek
Number of plants sampled: 2
Associated species: Juglans nigra, Acer negundo, Vitis riparia, and Morus alba.
Comment: Latitude, longitude, and elevation represent approximate, centralized location of population. Coordinates for each mother tree may be provided upon request.
Collector(s):