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Picris hieracioides L. ssp. hieracioides
hawkweed oxtongue

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
Anonymous. Personal communication to John Kartesz. HI, IL, MA 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, ON, QC Literature
Campbell, Julian. Personal communication. KY Literature
Clemants, Steven. Personal communication. NY Literature
Cronquist, A. 1980. Vascular flora of the southeastern United States. (includes vol. 1). University of North Carolina Press, Chapel Hill. MD, NC, TN Literature
Fisher, T.R. 1988. The Dicotyledoneae of Ohio. Part 3. Asteraceae. Ohio State University Press, Columbus. OH 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
Hough, M.Y. 1978. New Jersey Wild Plants. Harmony Press, Harmony. NJ Literature
Hulten, E., and M. Fries. 1986. Atlas of North European vascular plants north of the Tropic of Cancer. 3 vols. Koeltz Scientific Books, Germany. CT, MI, NJ, NY, OH, PA, RI, VT Literature
INVADERS database. WA Literature
Magee, D. Flora of New England. Unpublished and undated. CT, MA, VT Literature
Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. University of Louisville, Louisville. KY Literature
Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. IL Literature
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. 1965. Atlas of the vascular flora of the Carolinas. Department of Botany Technical Bulletin No. 165. Chapel Hill. NC 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
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. MI Literature
WS. Specimen at Washington State University, Pullman, Washington. WA Specimen
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
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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