09 October 2008.
Pennsylvania, United States
Locality: Clinton County. South side of Susquehanna River east a few hundred meters from bridge over river which is east of Hyner.
Coordinates: 41.3256, -77.6364
(Map it)
Environment description: Extensive gravel/cobble bar off the shore. Plants occur close to shore but are also scattered in cobble. Growing in association are Betula nigra, Vernonia novaboracencis, Ludwigia alternifolia, Sorghastrum nutans, Spartina pectinata, Apocynum cannabinum.
Comment: Definitely native and scattered in patches over a large area. GAZETTEER: P. 48, B3
Collector(s):