| Documentation |
State |
Type |
| Dowhan, J.J. 1979. Preliminary checklist of the vascular flora of Connecticut (growing without cultivation). State Geological and Natural History Survey of Connecticut, Natural Resources Center, Department of Environmental Protection. Hartford. |
CT |
Literature |
| Magee, D. Flora of New England. Unpublished and undated. |
CT, MA |
Literature |
| District of Columbia Natural Heritage Program. |
DC |
Literature |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Brown, R.G., and M.L. Brown. 1972. Woody plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
Literature |
| 1999. University of Minnesota Herbarium: Vascular plant collection. |
MN |
Literature |
| Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis. |
MN |
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 Unpublished.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 |
| 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 |
| Kaul, Robert. Personal communication. |
NE |
Literature |
| Clemants, Steven. Personal communication. |
NY |
Literature |
| Mitchell, R.S. (ed.). 1986. A checklist of New York State plants. Contributions of a Flora of New York State, Checklist III. New York State Bulletin No. 458. New York State Museum, Albany. |
NY |
Literature |
| New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
Literature |
| Braun, E.L. 1961. The woody plants of Ohio. Ohio State University Press, Columbus. |
OH |
Literature |
| Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus. |
OH |
Literature |
| Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN. The database of Canadian vascular plants. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. |
ON |
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 |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club. |
VT |
Literature |
| Wetter, M.A., T.S. Cochrane, M.R. Black, and H.H. Iltis. 1998. Checklist of the vascular plants of Wisconsin. Unpublished. |
WI |
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
Literature |
| Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown. |
WV |
Literature |
| West Virginia county level data. |
WV |
Literature |
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