| Documentation |
State |
Type |
| 1998. Sida. |
KS |
Literature |
| 1999. University of Minnesota Herbarium: Vascular plant collection. |
MN |
Literature |
| 2000. Castanea. |
TN |
Literature |
| Agronomy Services Division. Minnesota noxious weed rules (20 October 2003). Minnesota Department of Agriculture, Minnesota. |
|
Literature |
| Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
|
Literature |
| Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club. |
VT |
Literature |
| Bartgis, Rodney L. Personal communication. |
WV |
Literature |
| Booth, W.E., and J.C. Wright. 1966. Flora of Montana. Montana State University, Bozeman. |
MT |
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. |
AB, MB, NB, NS, ON, PE, QC, SK |
Literature |
| Brown, R.G., and M.L. Brown. 1972. Woody plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
Literature |
| Bureau of Farm Products & Plant Industries. Massachusetts prohibited plant list (23 January 2006). Massachusetts Department of Agricultural Resources, Massachusetts. |
|
Literature |
| Campbell, Julian. Personal communication. |
KY |
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 |
| Crovello, T.J., C.A. Keller, and J.T. Kartesz. 1983. The vascular plants of Indiana: A computer based checklist. University of Notre Dame Press, Notre Dame. |
IN |
Literature |
| Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York. |
WY |
Literature |
| Dorn, R.D. 1984. Vascular plants of Montana. Mountain West Publishers, Cheyenne. |
MT |
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 |
| Eilers, L.J., and D.M. Roosa. 1991. The vascular plants of Iowa. University of Iowa Press, Iowa City. |
IA |
Literature |
| George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society. |
RI |
Literature |
| Hartman, R. Atlas of the vascular flora of Wyoming. Unpublished and undated. |
WY |
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 |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
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 |
| INVADERS database. |
ID, MT |
Literature |
| Johnston, B. 1991. List of Colorado plants. Unpublished. |
CO |
Literature |
| Magee, D. Flora of New England. Unpublished and undated. |
CT, MA, ME, NH, RI, VT |
Literature |
| McGregor, R.L., et al. 1977. Atlas of the flora of the Great Plains. Iowa State University Press, Ames. |
ND, NE, SD |
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 |
| New Hampshire Code of Administrative Rules. Invasive species, Chapter Agr. 3800 (15 September 2004). State of New Hampshire, New Hampshire. |
|
Literature |
| New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
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 |
| 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 |
| Shultz, Leila M. Personal communication. |
UT |
Literature |
| Simpkins, Deb. 26 October 2007. Field observation validated by NPDC staff. |
MN, OH |
Observation |
| Solomon, Nicholas. 26 October 2007. Field observation validated by NPDC staff. |
MN |
Observation |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Tatnall, R.R. 1946. Flora of Delaware and the Eastern Shore. Society of Natural History of Delaware, Lancaster. |
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 |
| Vermont Department of Agriculture, Food and Markets. Quarantine #3 - noxious weeds (20 October 2003). Vermont Department of Agriculture, Food and Markets, Vermont. |
|
Literature |
| Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. |
MI |
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 |
| 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 |
| Wolf, C.B. 1938. The North American species of Rhamnus. Rancho Santa Ana Botanical Garden Monograph No. 1. |
NC |
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 |