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Hydrilla verticillata (L. f.) Royle

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
1980. Castanea. AL Literature
1982. Aquatic Botany. IA Literature
1984. American Journal of Botany. DC, DE, NC Literature
1986. Desert Plants. AZ Literature
1996. Aquatic Exotics News. CT Literature
2000. CalFlora: Information on California plants for education, research and conservation. The CalFlora Database, Berkeley. CA Literature
Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. Literature
Brown, M.L., and R.G. Brown. 1984. Herbaceous plants of Maryland. Port City Press, Inc., Baltimore. MD Literature
Bureau of Aquatic Plant Management. Aquatic plant importation, transportation, non-nursery cultivation, possession and collection (20 October 2003). Florida Department of Environmental Protection, Florida. Literature
Bureau of Farm Productsand Plant Industries. Massachusetts prohibited plant list (23 January 2006). Massachusetts Department of Agricultural Resources, Massachusetts. Literature
Bureau of Plant Industry. Regulation of noxious weeds (24 May 2006). State of Mississippi, Mississippi. Literature
California Department of Food and Agriculture. Pest ratings of noxious weed species and noxious weed seed (20 October 2003). California Department of Food and Agriculture, California. Literature
California Department of Food and Agriculture. Plant quarantine manual, California plant quarantine policy - weeds (20 October 2003). California Department of Food and Agriculture, California. Literature
California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California. Literature
Campbell, J., and M. Medley. 2012. The atlas of vascular plants in Kentucky. KY 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
Chester, E.W., B.E. Wofford, R. Kral, H.R. DeSelm, and A.M. Evans. 1993. Atlas of Tennessee vascular plants. Vol. 1. Miscellaneous Publication No. 9. Austin Peay State University, Clarksville. TN Literature
Connecticut Invasive Plants Council. Connecticut invasive plant list (20 April 2005). Connecticut Invasive Plants Council, Connecticut. 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
Division of Plant Industry. Summary of plant protection regulations (20 October 2003). Alabama Department of Agriculture and Industries, Alabama. Literature
Duncan, W.H., and J.T. Kartesz. 1981. Vascular flora of Georgia. University of Georgia Press, Athens. GA Literature
Florida Exotic Pest Plant Council. Invasive plant list. Florida Exotic Pest Plant Council, Florida. Literature
Food and Agriculture Code. Hydrilla, Section 6048-6049 (20 October 2003). State of California, California. 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
Hahnel, Karen A. 4 November 2002. Field observation validated by NPDC staff. ME Observation
Hannick, V.C., J.N. Mink, J.R. Singhurst, and W.C. Holmes. 2013. Annotated checklist of the vascular flora of McLennan County, Texas. Phytoneuron 2013-29(29): 1-37. TX 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
Hickman, J.C. (ed.). 1993. The Jepson manual. University of California Press, Berkeley. CA Literature
Jones, S.B., and N. Coile. 1988. The distribution of the vascular flora of Georgia. Herbarium, Department of Botany, Athens. GA Literature
McDaniels, Sidney. Personal communication. MS Literature
Nevada Administrative Code. Control of insects, pests, and noxious weeds (20 October 2003). State of Nevada, Nevada. Literature
North Carolina Department of Agriculture. Regulations for state noxious weeds (20 October 2003). North Carolina Department of Agriculture, North Carolina. Literature
Office of the Director/Secretary. New Mexico noxious weed list (20 October 2003). New Mexico Department of Agriculture, New Mexico. Literature
Old, Richard. Personal communication. WA 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
Peck, J.H., and B.E. Serviss. 2006. New and noteworthy collections for Arkansas. Sida 22: 817-820. AR Literature
Plant Industry Division. Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act (23 January 2006). Colorado Department of Agriculture, Colorado. Literature
Plant Services Division. Prohibited, regulated and restricted noxious weeds (1 May 2006). Arizona Department of Agriculture, Arizona. Literature
Public Laws of Maine. An act to prevent the spread of invasive aquatic plants (20 October 2003). State of Maine, Maine. Literature
Rayner, D.E., C. Aulbach-Smith., et al. South Carolina plant atlas. SC Literature
Rhoads, A.F., T.A. Block, and A. Anisko. 2000. The plants of Pennsylvania: An illustrated manual. University of Pennsylvania Press, Philadelphia. PA Literature
South Carolina Aquatic Nuisance Species Program. Illegal aquatic plants in South Carolina (20 October 2003). South Carolina Department of Natural Resources, South Carolina. 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
Specimen Management System for California Herbaria (SMASCH). CA Literature
State Crop Pest Commission. Designation of plant pests (24 May 2006). State of South Carolina, South Carolina. Literature
Texas Administrative Code. Quarantines and noxious plants, Chapter 19 (24 May 2006). State of Texas, Texas. 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
Thomas, W.E.,and R.H. Maxwell. 2009. Distribution records of southern Indiana vascular plants III. Proceedings of the Indiana Academy of Science 118: 31-38. IN Literature
Turner, B.L., H. Nichols, G. Denny, and O. Doron. 2003. Atlas of the Vascular Plants of Texas, vol. 2. Sida, Botanical Miscellany, No. 24. Botanical Research Institute of Texas Press, Fort Worth. TX Literature
USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ, Washington, DC. Literature
Vermont Department of Agriculture, Food and Markets. Quarantine #3 - noxious weeds (20 October 2003). Vermont Department of Agriculture, Food and Markets, Vermont. Literature
WTU. Specimen at University of Washington, Seattle, Washington. WA Specimen
Washington Administrative Code. Noxious weed control, Chapter 16-752 (24 May 2006). State of Washington, Washington. Literature
Washington Administrative Code. State noxious weed list and schedule of monetary penalties, Chapter 16-750 (24 May 2006). State of Washington, Washington. 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
Wilken, Dieter. Personal communication. CA 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. Institute for Systematic Botany, University of South Florida, Tampa, FL. FL Literature
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