Locality:
United States, Illinois, Richland Co., 1.5 miles south of Loyd, above Willow Creek.
43.403157 -90.239602
Verbatim Coordinates:
T 11N; R 2E; Sec. 27 S1/2 NE1/4
Habitat:
on dry SW facing point at top of Cambrian sandstone cliff; Thinly shaded by Pinus strobus, Woodsia ilvensis, Selaginella rupestris, Hedwigia ciliata and Cladonia spp. Edge of outcropping and grass; On sandstone boulders and outcrops.