NPSpecies

Data Source: Emmet Judziewicz species list review, 2003.

Often considered to be introduced from Europe, however some of our plants seem surely to be native on the rocks of the Lake Superior Region.; Data Source: Voss 1972

Found in dry woods near Lake Superior.

Park Species Data Source: BONAP database from contributed material. Voss, E. G. 1972. Michigan Flora, Vol. I. Cranbrook Inst. Sci. Bull. #55 and Univ. of Mich. Herbarium. Bloomfield Hills, MI. Judziewicz, Emmet J. 2003. Review of vascular plant species lists for nine Midwestern National Parks, Monuments, Lakeshores and Riverways: A final report. UW-Stevens Point. Stevens Point, WI.