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Hedera helix L.
English ivy

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
Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. Literature
California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California. Literature
Hoffman, R. & K. Kearns (eds.). Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Madison, Wisconsin. Literature
Oregon Administrative Rules. Quarantine; noxious weeds, Chapter 603-52-1200 (24 May 2006). State of Oregon, Oregon. Literature
Oregon Department of Agriculture. Noxious weed policy and classification system (24 May 2006). Oregon Department of Agriculture, Oregon. Literature
Southeast Exotic Pest Plant Council. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council, Tennessee. Literature
Washington Administrative Code. State noxious weed list and schedule of monetary penalties, Chapter 16-750 (24 May 2006). State of Washington, Washington. Literature
Haynes, R. 1990. A database of the Alabama flora. Unpublished. AL Literature
Mohr., C. 1901. Plant life of Alabama. Contributions from the United States National Herbarium VI. AL Literature
NCU. Specimen at University of North Carolina, Chapel Hill, North Carolina. AR Specimen
1982. Desert Plants. AZ Literature
Brouillet, L., F. Coursol, and M. Favreau. 2006. VASCAN. The database of Canadian vascular plants. Herbier Marie-Victorin, Institut de recherche en biologie végétale, Université de Montréal. BC Literature
1999. Exotic Pest plants of Greatest ecological concern in California. CA Literature
2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. CA Literature
Checklist of the vascular plants of San Diego County, California. San Diego Natural History Museum, San Diego. CA Literature
Clifton, G. Plumas County and Plumas National Forest flora (2001 Draft). Unpublished and undated. CA 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
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. CA Literature
Hrusa, F., B. Ertter, A. Sanders, G. Leppig, and E. Dean. 2002. Catalog of non-native vascular plants occurring spontaneously in California beyond those addressed in The Jepson Manual. Part I. Madroño 49: 61-98. CA Literature
Smith, C.F. 1998. A flora of the Santa Barbara Region, California, 2nd ed. Santa Barbara Museum of Natural History, Santa Barbara. CA Literature
Specimen Management System for California Herbaria (SMASCH). CA Literature
Wilken, Dieter. Personal communication. CA 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
District of Columbia Natural Heritage Program. DC Literature
McAvoy, W.A., and K.A. Bennett. 2001. The flora of Delaware: An annotated checklist. Department of Natural Resources and Environmental Control, Dover. DE Literature
Wunderlin, R. P., and B. F. Hansen. 2008. Atlas of Florida vascular plants. Institute for Systematic Botany, University of South Florida, Tampa. FL Literature
Wunderlin, R.P., B.F. Hansen, & E.L. Bridges. 1996. Atlas of Florida vascular plants: CD-ROM. University of South Florida, Tampa. FL Literature
Duncan, W.H., and J.T. Kartesz. 1981. Vascular flora of Georgia. University of Georgia Press, Athens. GA Literature
Jones, S.B., and N. Coile. 1988. The distribution of the vascular flora of Georgia. Herbarium, Department of Botany, Athens. GA 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
INVADERS database. ID, OR, WA Literature
Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois, rev. ed. Southern Illinois University Press, Carbondale and Edwardsville. IL Literature
Yatskievych, Kay. Personal communication. IN Literature
Campbell, J., and M. Medley. 2012. The atlas of vascular plants in Kentucky. KY Literature
Campbell, Julian. Personal communication. KY Literature
Medley, M.E. 1993. An annotated catalogue of the known or reported vascular flora of Kentucky. Ph.D. Dissertation. University of Louisville, Louisville. KY 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, Baton Rouge. 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
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
Magee, D. Flora of New England. Unpublished and undated. MA Literature
Sorrie, B.A. 1992. County checklist of Massachusetts plants. Unpublished. MA Literature
Brown, R.G., and M.L. Brown. 1972. Woody plants of Maryland. Port City Press, Inc., Baltimore. MD Literature
Voss, E.G. 1985. Michigan flora. Cranbrook Institute of Science, Bloomfield Hills. MI 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
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
Bryson, C.T., & D.A. Skojac, Jr. 2011. An annotated checklist of the vascular flora of Washington County, Mississippi. Journal of the Botanical Research Institute of Texas 5: 855-866. MS Literature
Gunn, C.R., T.M. Pullen, E.A. Stadelbacher, J.M. Chandler, and J. Barnes. 1980. Vascular flora of Washington County, Mississippi, and environs. USDA Science and Education Administration. MS Literature
Wieland, R.G. 2004. County records of Mississippi collections (#5501-9869, 9/12/89 to 1/23/04) deposited at Mississippi Museum of Natural Science Herbarium (MMNS). Mississippi Museum of Natural Science, Department of Wildlife, Fisheries and Parks, Jackson. MS 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
Meyer, J. 1990. Chrysler Herbarium Checklist. Manuscript. NJ Literature
Clemants, Steven. Personal communication. NY 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
Cooperrider, T.S, A.W. Cusick, and J.T. Kartesz (eds.). 1999. Seventh catalog of the vascular plants of Ohio (in press). Ohio State University Press, Columbus. OH Literature
Cooperrider, T.S. 1995. The Dicotyledoneae of Ohio. Part 2: Linaceae through Campanulaceae. Ohio State University Press, Columbus. OH Literature
EOSC. Specimen at Eastern Oregon University, Lagrande, Oregon. OR Specimen
Oregon Flora Project species list; species noted on herbarium specimens. Unpublished and undated. OR Literature
Peck, M.E. 1961. A manual of the higher plants of Oregon, 2nd ed. Oregon State University Press, Corvallis. OR Literature
Specimen at Douglas County Museum, Roseburg, Oregon. OR Specimen
Sundberg, Scott. Personal communication. OR 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
Wherry, E.T., J.M. Fogg, and H.A. Wahl. 1979. Atlas of the flora of Pennsylvania. Morris Arboretum, Philadelphia. PA Literature
Chester, E.W, B.E. Wofford, and R. Kral. 1997. Atlas of Tennessee vascular plants. Vol. 2. Miscellaneous Publication No. 13. Austin Peay State University, Clarksville. TN Literature
Chester, E.W., B.E. Wofford, R. Kral, H.R. DeSelm, and A.M. Evans. 1993. Atlas of Tennessee vascular plants. 2 vols. Center for Field Biology Miscellaneous Publication No. 9/13. Austin Peay State University, Clarksville. TN Literature
Turner, B.L., H. Nichols, G. Denny, and O. Doron. 2003. Atlas of the Vascular Plants of Texas, vol. 1. Sida, Botanical Miscellany, No. 24. Botanical Research Institute of Texas Press, Fort Worth. TX 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
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
1991. Douglasia. WA Literature
Haubrich, G. 2002. Noxious weed spreadsheet. Washington State Department of Agriculture, Olympia. WA Literature
Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson. 1969. Vascular plants of the Pacific Northwest. 5 vols. University of Washington Press, Seattle. WA Literature
WTU. Specimen at University of Washington, Seattle, Washington. WA Specimen
1988. Castanea. WV Literature
West Virginia county level data. WV Literature
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