Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Dry sandy prairie remnants, fields, hillsides; savannas and barrens with jack pine, oak, aspen; associated roadsides and railroads; survives fire, clearing, and mowing.
Our plants are all var. nieuwlandii (Lunell) E. G. Voss.
A Keweenaw Co. record (Farwell 1826 1/3 in 1904) is not mapped, being far out of range and likely the result of a label error.