| Documentation |
State |
Type |
| 1967. Brittonia |
NE |
Literature |
| 1982. Journal of the Arnold Arboretum |
NC |
Literature |
| 1987. Sida |
OK |
Literature |
| 1999. University of Minnesota Herbarium: Vascular plant collection (http://www.wildflowers.umn.edu) |
MN |
Literature |
| Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN, the Database of Vascular Plants of Canada. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal |
MB, ON |
Literature |
| Campbell, J., and M. Medley. 2012. The atlas of vascular plants in Kentucky (http://www.bluegrasswoodland.com) |
KY |
Literature |
| Campbell, Julian. Personal communication |
KY |
Literature |
| Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus |
OH |
Literature |
| Crovello, T.J., C.A. Keller, and J.T. Kartesz. 1983. The vascular plants of Indiana: A computer based checklist. University of Notre Dame Press, Notre Dame |
IN |
Literature |
| Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis |
IN |
Literature |
| Division of Natural Areas and Preserves. 2001. Rare native Ohio plants, 2000-2001 status list (http://www.ohiodnr.com/Portals/3/heritage/2010-2011%20Ohio%20Rare%20Plant%20List.pdf, 20 October 2002). Ohio Department of Natural Resources, Ohio |
|
Literature |
| Division of Nature Preserves. 2002. Endangered, threatened, and rare vascular plant species documented from Indiana (http://www.in.gov/dnr/3169.htm, 20 October 2002). Indiana Department of Natural Resources, Indiana |
|
Literature |
| Eilers, L.J., and D.M. Roosa. 1991. The vascular plants of Iowa. University of Iowa Press, Iowa City |
IA |
Literature |
| Illinois Plant Information Network (ILPIN) |
IL |
Literature |
| Indiana Natural Heritage Data Center. 2013. Endangered, threatened, and rare vascular plants of Indiana (16 April 2013). Division of Nature Preserves, Indiana Department of Natural Resources, Indianapolis, IN |
IN |
Literature |
| Kentucky State Nature Preserves Commission. 2000. Endangered, threatened, and special concern species (http://naturepreserves.ky.gov/pubs/publications/ksnpc_ets201105.pdf, 20 October 2002). Kentucky State Nature Preserves Commission, Kentucky |
|
Literature |
| Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. University of Louisville, Louisville |
KY |
Literature |
| Michigan Natural Features Inventory. 1999. Michigan's special plants (http://web4.msue.msu.edu/mnfi/data/specialplants.cfm, 20 October 2002). Michigan Department of Natural Resources, Michigan |
|
Literature |
| Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville |
IL |
Literature |
| Ohio Natural Heritage Database |
OH |
Literature |
| Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis |
MN |
Literature |
| Pringle, James S. Personal communication |
KS |
Literature |
| Radford, A., et al. (eds.). Vascular flora of the southeastern United States. Unpublished and undated |
MD |
Literature |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished |
WI |
Literature |
| Rhoads, A.F., and W.M. Klein, Jr. 1993. The vascular flora of Pennsylvania. Annotated checklist and atlas. American Philosophical Society, Philadelphia |
PA |
Literature |
| Smith, E.B. 1988. An atlas and annotated list of the vascular plants of Arkansas, 2d ed. |
AR |
Literature |
| Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown |
WV |
Literature |
| Thompson, S.A. 1997. Vascular plants: review of status in Pennsylvania (http://www.dcnr.state.pa.us/wrcf/pubindex.aspx, 20 October 2002). Department of Conservation and Natural Resources, Pennsylvania |
|
Literature |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills |
MI |
Literature |
| Weber, W.R., and W.T. Corcoran. 1993. Atlas of Missouri vascular plants. Unpublished. Southwest Missouri State University and the Missouri Native Plant Society |
MO |
Literature |
| West Virginia county level data |
WV |
Literature |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia |
PA |
Literature |
| Wisconsin Department of Natural Resources. 2002. The working list: rare vascular plants (http://www.dnr.state.wi.us/org/land/er/wlist/WorkingList_07_09.pdf, 29 January 2006). Bureau of Endangered Resources, Wisconsin |
|
Literature |
| Wisconsin Natural Heritage Program |
WI |
Literature |
| Wisconsin vascular plants (http://www.botany.wisc.edu/herbarium). Wisconsin State Herbarium: University of Wisconsin - Madison |
WI |
Literature |
| Yatskievych, G., and J. Turner. 1990. Catalogue of the flora of Missouri. Monographs in Systematic Botany from the Missouri Botanical Garden 37. Missouri Botanical Garden, St. Louis |
MO |
Literature |
