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PLANTS Profile


Centaurea virgata Lam.
squarrose knapweed

Data Source

Last revised by:
John T. Kartesz, Biota of North America Program
Curated and maintained by:
USDA NRCS National Plant Data Center
 

Data Documentation

Documentation State Type
1992. MadroƱo OR Literature
2000. CalFlora: Information on California plants for education, research and conservation (http://www.calflora.org/). The CalFlora Database, Berkeley CA Literature
Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments Literature
BLMLK. Specimen at Bureau of Land Management, Lakeview, Oregon, (http://www.blm.gov/or/districts/lakeview/overview.php). OR Specimen
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley CA Literature
Hrusa, G.F. 2003. Noxious weeds data. Unpublished CA Literature
INVADERS database (http://invader.dbs.umt.edu/) MT, OR Literature
Kartesz, J.T. 1988. A flora of Nevada. University of Nevada, Reno NV Literature
Kartesz, J.T. 2001. Atlas of the Nevada flora. Unpublished NV Literature
Oregon Administrative Rules. Quarantine; noxious weeds, Chapter 603-52-1200 (http://www.oregon.gov/ODA/PLANT/docs/pdf/603_052_1200.pdf, 24 May 2006). State of Oregon, Oregon Literature
Oregon Department of Agriculture. Noxious weed policy and classification system (http://www.oregon.gov/ODA/PLANT/WEEDS/lists.shtml#Noxious_weed_policy___list, 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 (http://www.ag.state.co.us/CSD/Weeds/statutes/weedrules.pdf, 23 January 2006). Colorado Department of Agriculture, Colorado Literature
Shultz, Leila M. Personal communication UT Literature
Specimen Management System for California Herbaria (SMASCH) (http://www.mip.berkeley.edu/www_apps/smasch/) CA Literature
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills MI 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
 
 
Time Generated: 03/30/2020 03:32 PM CDT