21 October 2008.
Virginia, United States
Locality: Found in a ditch on Secondary State Route 666. South of Highway 189.
Coordinates: 36.5922, -76.8300
(Map it)
Elevation: 12m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: East exposure. Slight slope. Growing with Japanese knotweed; N36.59229 W-76.82999, Garmin GPS map 60CSx.
Number of plants sampled: 50
Comment: Seeds collected randomly from 50 of approximately 100 plants. Population was uniform and frequent in an area of 25m sq; linear extent 25m.
Collector(s):