United States, Minnesota, Lake, Lake County ... Along Hwy 61 three miles northeast of Little Marais ... T57N R6W Center of SE1/4 Sec. 10;North Shore;057N;06W;10
47.437283 -91.077678 +-969m.
in dry crevices of basalt above wave level. Plants 25 feet of higher on 50-foot cliffs and outcrops. In full sun. Associates include Potentilla tridentata, Achillea millefolium, Solidago hispida, Campanula rotundifolia, Euphrasia hudsoniana, Arabis hirsuta var. pycnocarpa, Poa sp.