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Centaurea nigrescens Willd.
Tyrol knapweed
Data Source
Data Documentation
| Documentation |
State |
Type |
| Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
|
Literature |
| Idaho Department of Agriculture. Noxious weed rules (24 May 2006). Idaho Department of Agriculture, Idaho. |
|
Literature |
| Oregon Administrative Rules. Quarantine; noxious weeds, Chapter 603-52-1200 (24 May 2006). State of Oregon, Oregon. |
|
Literature |
| Oregon Department of Agriculture. Noxious weed policy and classification system (24 May 2006). Oregon Department of Agriculture, Oregon. |
|
Literature |
| Plant Industry Division. Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act (23 January 2006). Colorado Department of Agriculture, Colorado. |
|
Literature |
| Washington Administrative Code. Noxious weed control, Chapter 16-752 (24 May 2006). State of Washington, Washington. |
|
Literature |
| Washington Administrative Code. State noxious weed list and schedule of monetary penalties, Chapter 16-750 (24 May 2006). State of Washington, Washington. |
|
Literature |
| Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming. |
|
Literature |
| Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN, the Database of Vascular Plants of Canada. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. |
BC, NS, ON, QC |
Literature |
| 2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. |
CA |
Literature |
| Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. |
CA |
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 |
| Magee, D. Flora of New England. Unpublished and undated. |
CT, MA, ME, NH, NY, VT |
Literature |
| Glenn, S.D. (ed.). 2013. New York Metropolitan Flora database. New York Metropolitan Flora Project, Brooklyn Botanic Garden, New York. |
CT, NJ, NY |
Literature |
| 1972. Rhodora. |
DC, IN, NE |
Literature |
| INVADERS database. |
ID, MT, OR, WA |
Literature |
| Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. |
IL |
Literature |
| Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis. |
IN |
Literature |
| Cullina, M.D., B. Connolly, B. Sorrie, and P. Somers. 2011. The vascular plants of Massachusetts: A county checklist, first revision. Massachusetts Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife, Westborough. |
MA |
Literature |
| Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. |
MA |
Literature |
| Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. |
MD |
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 |
| 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 |
| 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 |
| Lackschewitz, K. 1991. Vascular plants of west-central Montana: Identification guide book. USDA Forest Service, Intermountain Research Station, Ogden. |
MT |
Literature |
| Poindexter, D.B., A.S. Weakley,and M.W. Denslow. 2011. New exotic additions and other noteworthy records for the flora of North Carolina. Phytoneuron 2011-42: 1-14. |
NC |
Literature |
| Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony. |
NJ |
Literature |
| Meyer, J. 1990. Chrysler Herbarium Checklist. Manuscript. |
NJ |
Literature |
| Clemants, Steven. Personal communication. |
NY |
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 York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. |
NY |
Literature |
| Schaffner, J.H. 1932. Revised catalog of Ohio vascular plants. Ohio Biological Survey Bulletin 25. Ohio State University, Columbus. |
OH |
Literature |
| Sundberg, Scott. Personal communication. |
OR |
Literature |
| Abrams, L. 1960. An illustrated flora of the Pacific States. Stanford University Press, Stanford. |
OR, WA |
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 |
| Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. |
PA |
Literature |
| George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society. |
RI |
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 |
| Atkinson, S., and F. Sharpe. 1985. Wild plants of the San Juan Islands. The Mountaineers, Seattle. |
WA |
Literature |
| WS. Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| WTU. Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| Reed, R. 1987. Wisconsin vascular plants. Unpublished. |
WI |
Literature |
| Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. |
WI |
Literature |
| Strausbaugh, P.D., and E.L. Core. 1977. Flora of West Virginia, 2nd ed., 4 vols. West Virginia Bulletin, Morgantown. |
WV |
Literature |
| West Virginia county level data. |
WV |
Literature |
| 2001. Western North American Naturalist. |
WY |
Literature |
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