| Documentation |
State |
Type |
| 1974. Sida. |
AL, IN, NC, TX |
Literature |
| 1999. Tennessee Anthropologist. |
NE |
Literature |
| 2000. New Mexico Botanist. |
NM |
Literature |
| 2001. Journal of the Iowa Academy of Science. |
IA |
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. |
BC, ON |
Literature |
| Brown, R.G., and M.L. Brown. 1972. Woody 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. |
NJ, NY |
Literature |
| Connecticut Invasive Plants Council. Connecticut invasive plant list (20 April 2005). Connecticut Invasive Plants Council, Connecticut. |
|
Literature |
| Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus. |
OH |
Literature |
| Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis. |
IN |
Literature |
| District of Columbia Natural Heritage Program. |
DC |
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 |
| Goff, Thomas (ABSL). Specimen at University of Minnesota, Saint Paul, Minnesota. |
MO |
Specimen |
| Hartman, R.L. 2001. A checklist of the vascular plants of Colorado. |
CO |
Literature |
| Harvill, A.M., C.E. Stevens, and D.M.E. Ware. 1981. Atlas of the Virginia flora, Part II. Dicotyledons. Virginia Botanical Associates, Farmville. |
VA |
Literature |
| Haynes, R. 1990. A database of the Alabama flora. Unpublished. |
AL |
Literature |
| Hoffman, R. & K. Kearns (eds.). Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Madison, Wisconsin. |
|
Literature |
| Hogan, Tim. Personal communication. |
CO |
Literature |
| Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony. |
NJ |
Literature |
| Hulten, E., and M. Fries. 1986. Atlas of North European vascular plants north of the Tropic of Cancer. 3 vols. Koeltz Scientific Books, Germany. |
GA |
Literature |
| INVADERS database. |
MT, OR |
Literature |
| Illinois Plant Information Network (ILPIN). |
IL |
Literature |
| MacRoberts, D.T. 1988. A documented checklist and atlas of the vascular flora of Louisiana. Louisiana State University at Shreveport, Shreveport. |
LA |
Literature |
| Magee, D. Flora of New England. Unpublished and undated. |
CT, MA, ME, NH, RI, VT |
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 |
| 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 |
| Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. |
IL |
Literature |
| Nelson, J.B. Personal communication. |
SC |
Literature |
| New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
Literature |
| Oregon Flora Project species list; species noted on herbarium specimens. Unpublished and undated. |
OR |
Literature |
| Ralph, R.A. Checklist of the vascular plants of the Coastal Plain of Delaware. Unpublished and undated. University of Delaware Department of Biology. |
DE |
Literature |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished. |
WI |
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 |
| 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 |
| Smith, E.B. 1988. An atlas and annotated list of the vascular plants of Arkansas, 2d ed. |
AR |
Literature |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Southeast Exotic Pest Plant Council. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council, Tennessee. |
|
Literature |
| Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown. |
WV |
Literature |
| Tatnall, E. 1860. Catalogue of the phaenogamous and filicoid plants of New Castle County, Delaware. Wilmington Institute, Wilmington. |
DE |
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 |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. |
MI |
Literature |
| Weishaupt, C.G. 1971. Vascular plants of Ohio. Kendall/Hunt Publishing Co., Dubuque. |
OH |
Literature |
| Welsh, S.L., N.D. Atwood, L.C. Higgins, and S. Goodrich. 1987. A Utah flora. Great Basin Naturalist Memoirs No. 9. Brigham Young University Press, Provo. |
UT |
Literature |
| West Virginia county level data. |
WV |
Literature |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
Literature |
| Zika, P.F., & A.L. Jacobson. 2005. Noteworthy Collections. Washington. Madroño 52: 209-212. |
WA |
Literature |