29 September 2009.
Brown County, Ohio, United States
Locality: Identified as ABD. Aberdeen Community Park and boat ramp, north bank of the Ohio River, just off of Hwy 52.
Coordinates: 38.6543, -83.7623
(Map it)
Elevation: 153m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Park
Environment description: Riverbank, among riprap rocks and muddy/sandy bank, bordered by lots of flotsam/driftwood.
Associated species: Xanthium, Helianthus, Desmodium, Chenopodium, Vitis, Ipomoea
Comment: Small, scattered population with many/most individuals senescing, with hardly any leaves. Mostly female, possibly males dead or tiny. Indehiscent fruit.
Collector(s):