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PLANTS Profile


Conyza canadensis (L.) Cronquist var. pusilla (Nutt.) Cronquist
Canadian horseweed

Data Source

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

Data Documentation

Documentation State Type
1968. Castanea MS Literature
1995. Journal of the Arizona-Nevada Academy of Science AZ Literature
Anonymous. Personal communication to John Kartesz TN Literature
Britton, N.L., and P. Wilson. 1926. Botany of Porto Rico and the Virgin Islands. Scientific Survey of Porto Rico and the Virgin Islands. New York Academy of Sciences, New York VI Literature
Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore DE, MD Literature
Campbell, J., and M. Medley. 2012. The atlas of vascular plants in Kentucky (http://www.bluegrasswoodland.com) KY Literature
Campbell, Julian. Personal communication KY Literature
Clemants, Steven. Personal communication NY 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
Deam, C.C. 1940. Flora of Indiana. Wm.B. Burford Printing Co., Indianapolis IN Literature
Division of Nature Preserves. 2002. Endangered, threatened, and rare vascular plant species documented from Indiana (http://www.in.gov/dnr/3169.htm, 20 October 2002). Indiana Department of Natural Resources, Indiana 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
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 CT, NJ, NY 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
Kearney, T., and R.H. Peebles. 1960. Arizona flora with supplement. University of California Press, Los Angeles AZ Literature
Lehr, J.H. 1978. A catalogue of the flora of Arizona. Desert Botanical Garden, Phoenix AZ Literature
Liogier, H.A., and L.F. Martorell. 1982. Flora of Puerto Rico and adjacent Islands: A systematic synopsis. Editorial de la Universidad de Puerto Rico PR Literature
Massey, A.B. 1961. Virginia Flora. Virginia Agricultural Experiment Station, Technical Bulletin 155. Blacksburg, VA VA Literature
McAvoy, William. Personal communication DE 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
NCU. Specimen at University of North Carolina, Chapel Hill, North Carolina, (http://www.herbarium.unc.edu). OK Specimen
New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany NY 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
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
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
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
Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia PA Literature
Wilhelm, G.S. 1984. Vascular flora of the Pensacola Region. Ph.D. Dissertation. Southern Illinois University, Carbondale AL 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
Wunderlin, R.P., and B.F. Hansen. 2008. Atlas of Florida Vascular Plants (http://florida.plantatlas.usf.edu) [online: accessed on 8 November 2014]. Institute for Systematic Botany, University of South Florida, Tampa, FL 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
 
 
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