| Documentation |
State |
Type |
| 1974. Bartonia. |
MA, ME, NC, RI, VA |
Literature |
| Barkworth, Mary E. Personal communication. |
DE |
Literature |
| Connecticut Department of Environmental Protection. 1998. Endangered, threatened & special concern plants (20 October 2002). State of Connecticut, Connecticut. |
|
Literature |
| Connecticut Natural Diversity Database. |
CT |
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 |
| Magee, D. Flora of New England. Unpublished and undated. |
NH |
Literature |
| Maine Natural Areas Program. 1999. Maine's rare, threatened, and endangered plants (20 October 2002). Maine Department of Conservation, Maine. |
|
Literature |
| Maryland Heritage and Biodiversity Conservation Programs. |
MD |
Literature |
| McAvoy, William. Personal communication. |
DE |
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 Jersey Natural Heritage Program. |
NJ |
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 |
| 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 |
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