NPSpecies

Data Source: Judziewicz, E. J. 2003.

Data Source: USDA, NRCS. 2005.

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.; USDA, NRCS. 2005. The PLANTS Database, Version 3.5 (http://plants.usda.gov). Data compiled from various sources by Mark W. Skinner. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.;