Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Stream beds, mudflats, sandbars, river banks; salt marshes, ditches, and wet hollows.
This is one of the few plants apparently characteristic of the few, limited pre-settlement salt marshes in Michigan. Sometimes united with its Eurasian relative as Samolus valerandi L. subsp. parviflorus (Raf.) Hultén.