| Documentation |
State |
Type |
| 1997. Phytologia. |
LA |
Literature |
| 1999. Castanea. |
AR |
Literature |
| 1999. University of Minnesota Herbarium: Vascular plant collection. |
MN |
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 Fish and Wildlife. 2001. Minnesota's list of endangered, threatened and special concern species (20 October 2002). Minnesota Department of Natural Resources, Minnesota. |
|
Literature |
| Division of Nature Preserves. 2002. Endangered, threatened, and rare vascular plant species documented from Indiana (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 |
| Hatch, S.L., K.N. Gandhi, and L.E. Brown. 1990. Checklist of the vascular plants of Texas (MP-1655). Texas Agricultural Experiment Station, College Station. |
TX |
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 |
| McGregor, R.L., et al. 1977. Atlas of the flora of the Great Plains. Iowa State University Press, Ames. |
KS |
Literature |
| Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. |
IL |
Literature |
| Nebraska Natural Heritage Program. |
NE |
Literature |
| Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis. |
MN |
Literature |
| Parks, Recreation, and Preserves Division. 1994. Iowa's threatened and endangered species (20 October 2002). Iowa Department of Natural Resources, Iowa. |
|
Literature |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished. |
WI |
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
Literature |
| TEX. Specimen at University of Texas at Austin, Austin, Texas. |
TX |
Specimen |
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