Habitat:
Large clump extending along 6m of upper shoreline. Sandy, gravely substrate, about 60% sun. Under shade of Acer rubrum and large Pinus strobus. Also with Calamagrostis canadensis, Lycopus uniflorus, Carex projecta, Impatiens capensis, and stunted
Occurrence Remarks:
Flowers bright yellow. Frequent along much of shoreline of this lake, including a large colony on the island which may represent the original introduction. Population discovered by Sam Quagon & Steve Garske during invasive survey in 2003.