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Potamogeton perfoliatus L.
claspingleaf pondweed

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
1943. Contributions from the Gray Herbarium. DE Literature
1974. Gulf Research Report. MS Literature
Atwood, J.T., et al. 1973. Check list of Vermont plants. Vermont Botanical and Bird Club. VT Literature
Barkworth, Mary E. Personal communication. DE Literature
Braun, E.L. 1967. The Monocotyledoneae of Ohio. Ohio State University Press, Columbus. OH 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, GL, LB, NB, NF, NS, ON, PE, QC, SB Literature
Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. MD Literature
Clemants, Steven. Personal communication. NJ 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
District of Columbia Natural Heritage Program. DC Literature
Division of Natural Areas and Preserves. 2001. Rare native Ohio plants, 2000-2001 status list (20 October 2002). Ohio Department of Natural Resources, Ohio. 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
Fernald, M.L. 1950. Gray's manual of botany, 8th ed. American Book Company, New York. MN 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
Harvill, A.M., C.E. Stevens, and D.M.E. Ware. 1977. Atlas of the Virginia flora, Part I. Pteridophytes through monocotyledons. Virginia Botanical Associates, Farmville. VA Literature
Haynes, R. 1990. A database of the Alabama flora. Unpublished. AL 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. TX Literature
Magee, D. Flora of New England. Unpublished and undated. CT, MA, ME, NH, NY, RI, VT Literature
Maryland Wildlife and Heritage Service. 2010. Rare, Threatened and Endangered Plants. Maryland Department of Natural Resources, Annapolis, MD. MD 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
Mohr., C. 1901. Plant life of Alabama. Contributions from the United States National Herbarium VI. AL Literature
New York Flora Association. 1990. Preliminary vouchered atlas of New York State flora, ed. 1. New York State Museum Institute, Albany. NY Literature
Ohio Natural Heritage Database. OH 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
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 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
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
Seymour, F.C. 1969. The flora of New England. Charles E. Tuttle Company, Rutland. NH 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
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. MI Literature
Wetter, M.A., T.S. Cochrane, M.R. Black, H.H. Iltis, and P.E. Berry. 2001. Checklist of the vascular plants of Wisconsin. Technical Bulletin No. 192. Department of Natural Resources, Madison. WI Literature
Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. PA 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 [online: accessed on 8 November 2014]. Institute for Systematic Botany, University of South Florida, Tampa, FL. FL Literature
Time Generated: 12/01/2015 12:33 AM MST