| Documentation |
State |
Type |
| Barkworth, Mary E. Personal communication. |
DE |
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. |
NS |
Literature |
| Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
Literature |
| Delaware Natural Heritage Program. |
DE |
Literature |
| Department of Environmental Conservation. 2000. Protected native plants (20 October 2002). Division of Land and Forests, New York. |
|
Literature |
| Duncan, W.H., and J.T. Kartesz. 1981. Vascular flora of Georgia. University of Georgia Press, Athens. |
GA |
Literature |
| Enser, R.W. 2002. Rare native plants of Rhode Island (20 October 2002). Rhode Island Department of Environmental Management, Rhode Island. |
|
Literature |
| George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society. |
RI |
Literature |
| Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony. |
NJ |
Literature |
| Magee, D. Flora of New England. Unpublished and undated. |
MA, RI |
Literature |
| Maryland Natural Heritage Program. 1997. Rare, threatened and endangered plants of Maryland (20 October 2002). Maryland Department of Natural Resources, Maryland. |
|
Literature |
| Meyer, J. 1990. Chrysler Herbarium Checklist. Manuscript. |
NJ |
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 |
| New York Natural Heritage Program. |
NY |
Literature |
| Rayner, D.A., et al. 1979. Native vascular plants endangered, threatened, or otherwise in Jeopardy in South Carolina. South Carolina Museum Bulletin No. 4. |
SC |
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 |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Thompson, S.A. 1997. Vascular plants: review of status in Pennsylvania (20 October 2002). Department of Conservation and Natural Resources, Pennsylvania. |
|
Literature |
| U.S. Fish and Wildlife Service. 1988. National list of vascular plant species that occur in wetlands. U.S. Fish & Wildlife Service Biological Report 88 (26.9). |
|
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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