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You are here: Home / Profile Page / Data Source and Documentation for Conyza canadensis (L.) Cronquist var. canadensis Printer-Friendly Printer-Friendly
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Conyza canadensis (L.) Cronquist var. canadensis
Canadian horseweed

Data Source

Last revised by:
USDA NRCS National Plant Data Team
Curated and maintained by:
USDA NRCS National Plant Data Team
 

Data Documentation

Documentation State Type
1900. Memoirs of the New York Botanical Garden. New York Botanical Garden, New York. MT Literature
1968. Castanea. MS Literature
1991. Douglasia. WA Literature
1992. Phytologia. AK Literature
1999. University of Minnesota Herbarium: Vascular plant collection. MN Literature
Anonymous. Personal communication to John Kartesz. AZ, CO, DC, IA, ID, IL, ND, NE, NM, NV, OR, SD, UT, WI Literature
Bluhm, Wilbur. Personal communication. OR 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 Vascular Plants of Canada. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. AB, BC, MB, NB, NF, NS, NT, ON, PE, QC, SB, SK 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
Clemants, Steven. Personal communication. NJ Literature
Cornelius, L.C., and S.R. Schuller. 1982. Checklist of the vascular plants of Cedar Flats Research Natural Area. Pacific Northwest Forest and Range Experiment Station Administrative Report PNW-5. USDA Forest Service. WA 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
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
Damrel, D., D.J. Pinkava, and L.R. Landrum. The Phoenix flora. AZ Literature
Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis. IN Literature
Deramus, R. 1970. Studies on the flora of the vascular plants of Dauphin Island, Mobile Co. Alabama. Ph.D. Dissertation. University of Alabama, Tuscaloosa. MS 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
Duncan, W.H., and J.T. Kartesz. 1981. Vascular flora of Georgia. University of Georgia Press, Athens. GA Literature
Ferren, W.R. 1985. Carpinteria Salt Marsh, annotated and illustrated catalogue of vascular plants. Herbarium Publication No. 4. University of California, Santa Barbara. CA Literature
Fisher, T.R. 1988. The Dicotyledoneae of Ohio. Part 3. Asteraceae. Ohio State University Press, Columbus. OH Literature
George, G.G. 1992. A synonymized checklist of the plants found growing in Rhode Island. Rhode Island Wild Plant Society. RI Literature
Glenn, S.D. (ed.). 2013. New York Metropolitan Flora database. New York Metropolitan Flora Project, Brooklyn Botanic Garden, New York. NJ, NY Literature
Hartman, R. 1992. Wyoming phytogeography. Unpublished. WY 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
Hatch, S.L., K.N. Gandhi, and L.E. Brown. 1990. Checklist of the vascular plants of Texas (MP-1655). Texas Agricultural Experiment Station, College Station. TX Literature
Haynes, R. 1990. A database of the Alabama flora. Unpublished. AL Literature
Jones, G.N. 1938. The flowering plants and ferns of Mount Rainier. University of Washington Publications Biology 7: 1-192. Seattle. WA Literature
Jones, R.L., and P.S. White. 1981. The vascular flora of Shiloh National Military Park, Harding County, Tennessee. Research/Resources Management Report No. 50. USDI National Park Service, Atlanta. TN Literature
Kelly, R.,and Y. Gregor. 2014. Flora survey of Rocky Point Marsh, Queens County, New York. Long Island Botanical Society Quarterly Newsletter 24: 1, 3-6. NY Literature
Lakela, O. 1965. A flora of northeastern Minnesota. University of Minnesota Press, Minneapolis. MN Literature
Magee, D. Flora of New England. Unpublished and undated. ME, NH, VT Literature
McAvoy, William. Personal communication. DE Literature
McGregor, R.L., et al. 1986. Flora of the Great Plains. University of Kansas Press, Lawrence. KS Literature
Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. 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
Munz, P.A., and D.D. Keck. 1968. A California flora and supplement. University of California Press, Berkeley. CA 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
Radford, A.E., H.E. Ahles, and C.R. Bell. 1965. Atlas of the vascular flora of the Carolinas. Department of Botany Technical Bulletin No. 165. Chapel Hill. NC, SC Literature
Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. University of North Carolina Press, Chapel Hill. NC, SC 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
Seymour, F.C. 1969. The flora of New England. Charles E. Tuttle Company, Rutland. ME, NH, VT Literature
Shultz, Leila M. Personal communication. UT 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
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
Tatnall, R.R. 1946. Flora of Delaware and the Eastern Shore. Society of Natural History of Delaware, Lancaster. DE Literature
Taylor, R.J., and C.E.S. Taylor. 1989. An annotated list of the ferns, fern allies, gymnosperms and flowering plants of Oklahoma. Southeast Oklahoma State University. OK Literature
Texas A&M Bioinformatics Working Group. Texas A&M Bioinformatics Working Group Internet site. TX Literature
Thomas, R.D., and C.M. Allen. 1993. Atlas of the vascular flora of Louisiana, vols. 1-3. Louisiana Department of Wildlife and Fisheries. Natural Heritage Program, Fort Worth, TX. LA Literature
Thomas, R.D., and C.M. Allen. 1997. Atlas of the vascular flora of Louisiana, vols. 1-3 (Plus updates). Louisiana Department of Wildlife and Fisheries. Natural Heritage Program, Baton Rouge. LA Literature
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. MI Literature
Wagner, W.L., D.R. Herbst, and S.H. Sohmer. 1990. Manual of the flowering plants of Hawai'i, 2 vols. University of Hawaii Press, Bishop Museum, Honolulu. HI 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
Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. PA Literature
Whetstone, R.D. 1981. Vascular flora and vegetation of the Cumberland Plateau of Alabama. Ph.D. Dissertation. University of North Carolina, Chapel Hill. AL Literature
Wisconsin vascular plants. Wisconsin State Herbarium: University of Wisconsin - Madison. WI Literature
Wunderlin, R.P., B.F. Hansen,and E.L. Bridges. 1996. Atlas of Florida vascular plants: CD-ROM. University of South Florida, Tampa. FL 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
BOIS. Specimen at Rocky Mountain Research Station, Boise, Idaho. ID Specimen
CIC. Specimen at Albertson College of Idaho, Caldwell, Idaho. ID Specimen
ID. Specimen at University of Idaho, Moscow, Idaho. ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho. ID Specimen
NMC. Specimen at New Mexico State University, Las Cruces, New Mexico. NM Specimen
SOC. Specimen at Southern Oregon University, Ashland, Oregon. OR Specimen
Specimen at Eastern New Mexico University, Portales, New Mexico. NM Specimen
UNM. Specimen at University of New Mexico, Albuquerque, New Mexico. NM Specimen
WS. Specimen at Washington State University, Pullman, Washington. WA Specimen
WTU. Specimen at University of Washington, Seattle, Washington. WA Specimen
 
 
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