| Documentation |
State |
Type |
| 1999. University of Minnesota Herbarium: Vascular plant collection. |
MN |
Literature |
| Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club. |
VT |
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. |
LB, MB, NB, NS, ON, PE, QC |
Literature |
| Connecticut Department of Environmental Protection. 1998. Endangered, threatened & special concern plants (20 October 2002). State of Connecticut, Connecticut. |
|
Literature |
| 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 |
| George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society. |
RI |
Literature |
| Magee, D. Flora of New England. Unpublished and undated. |
CT, MA, ME, NH, NY, RI, VT |
Literature |
| Meyer, J. 1990. Chrysler Herbarium Checklist. Manuscript. |
NJ |
Literature |
| Michigan Natural Features Inventory. 1999. Michigan's special plants (20 October 2002). Michigan Department of Natural Resources, Michigan. |
|
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 |
| Natural Heritage and Endangered Species Program. 2004. Massachusetts list of endangered, threatened, and special concern species (29 January 2005). Massachusetts Division of Fisheries and Wildlife, Massachusetts. |
|
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 |
| Office of Natural Lands Management. 2001. Special plants of New Jersey (20 October 2002). Department of Environmental Protection and Energy, New Jersey. |
|
Literature |
| Ownbey, G.B., and T. Morley. 1991. Vascular plants of Minnesota: A checklist and atlas. University of Minnesota Press, Minneapolis. |
MN |
Literature |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished. |
WI |
Literature |
| Richards, C.D., F. Hyland, and L.M. Eastman. 1983. Revised check-list of the vascular plants of Maine. Bulletin of the Josselyn Botanical Society, No. 11. |
ME |
Literature |
| Seymour, F.C. 1969. The flora of New England. Charles E. Tuttle Company, Rutland. |
NH |
Literature |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. |
MI |
Literature |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| Wiersema, John H. Personal communication. |
IL |
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
Literature |