25 September 2007.
Maine, United States
Locality: Along both sides of Highway 2, approximately 1 mile south of Costigan, along Penobscot River, Penobscot County.
Coordinates: 44.9983, -68.6408
(Map it)
Elevation: 30m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Fairly moist soil due to presence of water from Penobscot River.
Number of plants sampled: 9
Associated species: Acer rubrum, Spiraea alba, Salix, Betula, and Rosa.
Comment: Population of >50 plants. Trees approximately 8-20 years in age.
Collector(s):