| Documentation |
State |
Type |
| Campbell, Julian. Personal communication. |
KY |
Literature |
| Chester, E.W., B.E. Wofford, R. Kral, H.R. DeSelm, and A.M. Evans. 1993. Atlas of Tennessee vascular plants. 2 vols. Center for Field Biology Miscellaneous Publication No. 9/13. Austin Peay State University, Clarksville. |
TN |
Literature |
| Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus. |
OH |
Literature |
| Division of Natural Areas and Preserves. 2001. Rare native Ohio plants, 2000-2001 status list (20 October 2002). Ohio Department of Natural Resources, Ohio. |
|
Literature |
| Harvill, A.M., C.E. Stevens, and D.M.E. Ware. 1981. Atlas of the Virginia flora, Part II. Dicotyledons. Virginia Botanical Associates, Farmville. |
VA |
Literature |
| Kentucky State Nature Preserves Commission. 2000. Endangered, threatened, and special concern species (20 October 2002). Kentucky State Nature Preserves Commission, Kentucky. |
|
Literature |
| Maryland Heritage and Biodiversity Conservation Programs. |
MD |
Literature |
| Maryland Natural Heritage Program. 1997. Rare, threatened and endangered plants of Maryland (20 October 2002). Maryland Department of Natural Resources, Maryland. |
|
Literature |
| Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. Ph.D. Dissertation. University of Louisville, Louisville. |
KY |
Literature |
| Ohio Natural Heritage Database. |
OH |
Literature |
| Radford, A.E., H.A. Ahles, and C.R. Bell. 1965. Atlas of the vascular flora of the Carolinas. Department of Botany Technical Bulletin No. 165. Chapel Hill. |
NC |
Literature |
| Radford, A.E., H.A. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. University of North Carolina Press, Chapel Hill. |
NC |
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 |
| Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown. |
WV |
Literature |
| Tennessee Division of Natural Heritage. |
TN |
Literature |
| Tennessee Natural Heritage Program. 2002. Rare plant list (20 October 2002). Department of Environment and Conservation, Tennessee. |
|
Literature |
| Thompson, S.A. 1997. Vascular plants: review of status in Pennsylvania (20 October 2002). Department of Conservation and Natural Resources, Pennsylvania. |
|
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 |
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