| Documentation |
State |
Type |
| 1993. Rhodora. |
PA |
Literature |
| Anonymous. Personal communication to John Kartesz. |
CT, DE, MA, NH, NJ, NY, VT |
Literature |
| 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. |
ON |
Literature |
| Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
Literature |
| Campbell, Julian. Personal communication. |
KY |
Literature |
| Chester, E.W, B.E. Wofford, and R. Kral. 1997. Atlas of Tennessee vascular plants. Vol. 2. Miscellaneous Publication No. 13. Austin Peay State University, Clarksville. |
TN |
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 |
| Clemants, Steven. Personal communication. |
NY |
Literature |
| Demaree, D. 1943. A catalog of the vascular plants of Arkansas. Taxodium 1: 1-88. |
AR |
Literature |
| Fernald, M.L. 1950. Gray's manual of botany, 8th ed. American Book Company, New York. |
ME |
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 Unpublished and undated. |
CT, MA, ME, NH, NY, RI, VT |
Literature |
| Massey, A.B. 1961. Virginia flora. Virginia Agricultural Experiment Station, Technical Bulletin 155. Blacksburg. |
VA |
Literature |
| McAvoy, William. Personal communication. |
DE |
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 |
| Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. |
IL |
Literature |
| New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
Literature |
| Ohio Natural Heritage Database. |
OH |
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 Natural Heritage Program. 2002. Rare plant list (20 October 2002). Department of Environment and Conservation, Tennessee. |
|
Literature |
| Weakley, A.S. 1996. Flora of the Carolinas and Virginia. Unpublished. |
NC |
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 |
| West Virginia county level data. |
WV |
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 |