NPSpecies

Data Source: Judziewicz, E. J. 2003.

Frequent, submersed in shallow water of inland lakes.; Data Source: Slavick, A D and R A Janke. 1993.

Park Species Data Source: Judziewicz, E. J. 2003. Review of vascular plant species lists for nine Midwestern National Parks, Monuments, Lakeshores and Riverways: A final report.; Slavick, A D and R A Janke. 1993. The Vascular Flora of Isle Royale National Park, 3rd edition. Isle Royale Natural History Association, Houghton, MI.;