Habitat:
exposed sandy riverbank; site inundated in spring; under light shade of nearby Acer saccharinum and A. negundo; sparse herb cover includes Agrostis gigantea, Glyceria striata, Glechoma hederacea, Oxalis fontana, Polygonum sagittatum, and Poa palustris
Occurrence Remarks:
invasive plant survey, conducted by Great Lakes Indian Fish & Wildlife Commission; common