Coefficient of Conservatism:
Coefficient of Wetness:
KALM'S ST. JOHN'S-WORT
Moist calcareous interdunal hollows and moist limestone bedrock, sandy, or rocky shores along Lakes Michigan and Huron. Also locally inland, especially northwards, on calcareous (even marly) shores, fens, wet meadows, sunny margins of shrub carrs and swamps, and river banks. Much less common inland in southern Michigan.
An attractive small native shrub, largely restricted to the Great Lakes region, and most abundant on the shores of the Great Lakes.