Hoshovsky (Editors). Hydrilla verticillata (L. f.) Royale. Hydrilla often has one or more sharp teeth along the length of the leaf mid-rib. Discoveries in Southern United States have linked hydrilla and a deadly toxin to the death of waterfowl. Center for Aquatic and Invasive Plants. Common name. (Eds. 1. Original Distribution: There are three different schools of thought about the origin of hydrilla. common name: Australian hydrilla leaf mining fly* scientific name: Hydrellia balciunasi Bock common name: Native hydrilla leaf/stem mining fly* scientific name: Hydrellia bilobifera Cresson common name: Native hydrilla fly* scientific name: Hydrellia discursa Deonier *All common names unofficial. They grow in whorls of four to eight around the stem. Hydrilla’s small leaves are strap-like and pointed. Hydrilla is an aquatic plant and member of the Hydrocharitaceae or Frog’s-bit family. It was brought over to the United States in 1950 from aquariums in Florida. Scientific Name: Hydrilla verticillata Origin: Asia. Alberta Invasive Species Council (Canada). Or, to display all related content view all resources for Hydrilla. Scientific Name: Hydrilla verticillata. It is a tenacious weed that has several ways to propagate: seeds, plant fragments, tubers, and turions (a type of bud). Masterson, J. Federal Noxious Weed Disseminules of the U.S. - Fact Sheet: Invasive Plant Atlas of the United States - Hydrilla, New York Invasive Species Information - Hydrilla, Pacific Island Ecosystems at Risk (PIER) -, Plantwise Technical Factsheet - Hydrilla (, The Quiet Invasion: A Guide to Invasive Species of the Galveston Bay Area - Hydrilla, Waterthyme, Florida Elodea, National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database -, Nonindigenous Aquatic Species Database: Fact Sheet - Hydrilla, Encycloweedia: Data Sheet - Hydrilla, Brazilian elodea, and Common elodea, Invasive Plants in Pennsylvania: Hydrilla (PDF | 114 KB), Invasive Plant Fact Sheet - Hydrilla (Nov 2011) (PDF | 86 KB), Maine's Interactive Field Guide to Aquatic Invaders and Their Native Look Alikes - Hydrilla. 1. none knownHydrilla is a submersed plant. USDA. 2002. Scientific name. Provides state, county, point and GIS data. Hydrilla’s scientific name is made up of the Greek word “hydro” meaning “water” and the Latin word “verticillus” that means “the whorl of a spindle”. 2000. It can grow to the surface and form dense mats. Figures 1 and 2 illustrate the amount hydrilla grew over 18 days in a CT pond. University of Alaska - Anchorage. Google. In the Northeast this weed has been found in one pond on Cape Cod, MA and one pond in Stonington, Connecticut. 2007. The family is notable for the unique pollination mechanism of some genera (e.g., Elodea, Enhalus, Hydrilla, and Vallisneria). Hydrilla branches profusely and after reaching the surface it extends across it forming thick mats. Common Name: Hydrilla: Scientific Name: Hydrilla verticillata: Native or Non-native: Non-native: Illustration: Link to larger illustration: Click here for larger image. History: This noxious weed is native to Asia, Europe, Africa and Australia. Hydrilla is a genus of aquatic plant. , From Simple English Wikipedia, the free encyclopedia, United States National Agricultural Library, https://simple.wikipedia.org/w/index.php?title=Hydrilla&oldid=7194192, Creative Commons Attribution/Share-Alike License. Asked by Wiki User. For example: maidencane, bulrush, water hyacinth, Florida pondweed, duckweed and hydrilla. Undersides may have one spine, or more, and the midrib of each leaf is often reddish. The Plants Database includes the following 1 species of Hydrilla . Conservation Services Division. Hydrilla Scientific Name. Category. Hydrilla is considered a noxious pest because it grows so rapidly, out competing and eliminating native species, and forming surface mats that hinder recreation, navigation, and water intakes. Morgantown, West Virginia: U.S. Forest Service Forest Health Technology Enterprise Team. Leaves are up to 20 mm long and 4 mm wide. Funding for the project is available through the Corps of Engineers Aquatic Plant Control Research Program and Great Lakes Restoration Initiative. hydrilla water thyme This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in … Scientific Name: Hydrilla verticillata Common Name(s): Hydrilla INVASIVE to MAINE Edit check on bio control info. YouTube; Cornell University. Hydrilla also produces two types of hibernacula, tubers and turions. Many think that hydrilla is originally a native of the warmer climates of Asia, including Sri Lanka, which is where it was first imported from. Cooperative Extension. Center for Invasive Species and Ecosystem Health. Problems Caused Hydrilla (Hydrilla verticillata (L.F.) Royle) is an invasive aquatic macrophyte that was introduced into the United States (US) by tropical fish and plant dealers.It was first seen in the US at the west coast of Florida in 1960 and was confused with Elodea canadensis.It grows in ponds, canals, ditches, lakes and rivers. Northeast Aquatic Nuisance Species Panel. Australian Government. National Invasive Species Information Center, Early Detection & Distribution Mapping System (EDDMapS) - Hydrilla, Nonindigenous Aquatic Species Database: Point Map - Hydrilla, YouTube - Hydrilla Hazard: Biology, Impacts and Management of an Invasive Aquatic Plant, Fact Sheet: Hydrilla (Apr 2016) (PDF | 496 KB), Invasive Plants of California's Wildlands -, Invasive Plants of California's Wildlands, Southeast Exotic Pest Plant Council Invasive Plant Manual - Hydrilla, Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Hydrilla (Feb 7, 2011) (PDF | 113 KB). Hydrilla is in the Frog’s Bit family, or Hydrocharitaceae. Hydrilla’s small leaves are strap-like. Hydrilla produces tiny white flowers on long stalks. Washington State Noxious Weed Control Board. Smithsonian Institution. Common Name(s): Hydrilla: Scientific Name: Hydrilla verticillata: Family: Hydrophyllaceae: Growth Traits: Introduced, perennial, warm season: Description: A rooted, introduced plant that can grow as much as 28 feet above the bottom.It has whorls of two to eight leaves, mostly less than 1 inch long, which have serrated margins and teeth beneath on the midvein. Balciunas, J.K., M. J. Grodowitz, A.F. National Genetic Resources Program. 2012-03-21 07:09:59 2012-03-21 07:09:59. hydrilla verticillata. Answer. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely. Top Answer. Appearance. Florida Fish and Wildlife Conservation Commission. Native Introduced Native and Introduced. However, it is now listed by the federal government, and most states, as a noxious weed. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Pennsylvania Sea Grant. It was introduced to Florida in the 1950s through the aquarium trade. It is a submersed plant. Washington State Recreation and Conservation Office. USDA. Department of the Environment and Energy. Family name. It may be found in all types of water bodies.Hydrilla stems are slender, branched and up to 25 feet long. Extensive growth of this plant quickly chokes waterways, limiting their use by people. Additional comments Hydrilla verticillata is the only species in this genus.Hydrilla is a very fast growing plant which quickly outcompetes other plant species. In: R. Van Driesche et al. Its appearance is variable depending on the growing conditions. Scientific Name: Hydrilla verticillata. Appropriately named, it is an aquatic plant with leaves that are whorled around the stem. Smithsonian Marine Station at Fort Pierce. Conventions for Using Common and Scientific Names. Ontario's Invading Species Awareness Program (Canada). Hydrilla is a genus of aquatic plant. Common Name: Hydrilla Scientific Name: Hydrilla verticillata Native Range: Asia Biology & Description: Hydrilla is a submerged perennial that looks similar to American waterweed (Elodea canadensis), a common native aquatic plant.Hydrilla has visibly toothed leaves that … Hydrilla is a submerged perennial that looks similar to american waterweed (Elodea canadensis), a common native aquatic plant. Some botanists divide it into different species. Submerged, perennial, rooted, aquatic plant. Click … Hydrilla has visibly toothed leaves that grow in whorls of 3-8. Description: Hydrilla forms in dense colonies and can grow to the surface in over 20 feet of water. hydrilla, Florida elodea, water thyme, waterthyme. Smithsonian Institution. Roots and stems produce specialized, overwintering buds (turions); the turions formed on rhizomes are potato-like, brownish in colour with a smooth … This page was last changed on 29 November 2020, at 05:46. Alaska Center for Conservation Science. Hydrilla stems are slender, branched up to 25 feet long. In common names, the words are not capitalized unless a word is a proper noun. Height: Hydrilla is variable in height depending primarily on th… Colorado Department of Agriculture. It made its first appearance in the US back in the 1950s when it was introduced as a plant for aquariums. Scientific Name: Hydrilla verticilata Hydrilla is one of the nastiest incoming invasive species and it is crucial it does not make it to Michigan. Texas Commission on Environmental Quality, Galveston Bay Estuary Program; Houston Advanced Research Center (HARC). Massachusetts Introduced Pests Outreach Project. Provides distribution maps and collection information (State and County). GRIN-Global. The leaf margins are distinctly saw-toothed. It is native to the cool and warm waters of the Old World in Asia, Africa and Australia, with a sparse, scattered distribution; in Australia from Northern Territory, Queensland, and New South Wales. Scientific name: Hydrilla verticillata What Is It? Hydrilla was first observed in 1982 in the Potomac River near Washington D.C. and by 1992 grew to … So far, Hydrilla does not appear to be a significant factor in the harmful algal blooms in NYS. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Scientific Name: Hydrilla verticillata Common Names: Hydrilla, Water Thyme. Cofrancesco and J.F. Marine Invasions Research Lab. It is considered one […] Hydrilla verticillata. Description. Pennsylvania Department of Conservation and Natural Resources. It is a submersed plant. Naturalist Outreach. University of Pennsylvania. APHIS. Buffalo District is also lending expertise to a project on the Connecticut River. Provides detailed collection information as well as animated map. Wiki User Answered . Hydrilla verticillata Scientific name Hydrilla verticillata Additional name information: (L.f.) Caspary Common name hydrilla, water thyme, Florida elodea Synonymous scientific names Hottonia serrat… What is the scientific name of hydrilla? Common Name: hydrilla, esthwaite waterweed Family Name: Hydrocharitaceae - Frogbit family Native Range: Asia NJ Status: Emerging Stage 1 – Rare (may be locally common). Hydrilla is a submerged perennial that looks similar to American waterweed (Elodea canadensis), a common native aquatic plant. [Accessed Sep 10, 2014]. The section below contains highly relevant resources for this species, organized by source. It was sold as an aquarium plant, which may have been the origin of its initial introduction into natural water systems. Special Note: Formerly known as the Maine Volunteer Lake Monitoring Program. Today it is found in most of the southeastern United States, westward to California. Hydrilla has visibly toothed leaves that grow in whorls of 3-8. Introduction. Integrated Taxonomic Information System. H. verticillata exhibits a degree of phenotypic plasticity in response to age, habitat conditions, and water quality. It affects water quality, the economy, businesses, hydropower and flood reduction - ultimately our health and our wallets." Hydrilla stems are slender, branched up to 25 feet long. It can grow to the surface and form dense mats. 0 0 1. Undersides may have one spine, or more, and the mid-rib of each leaf is often reddish. It can form in all types of water bodies. IFAS. Scientific Name. Includes species listed as a Federal Noxious Weed under the Plant Protection Act, which makes it illegal in the U.S. to import or transport between States without a permit. The U.S. Army Corps of Engineers Buffalo District is on a mission to fight hydrilla, an aggressive plant species that has wreaked havoc from Asia to every continent except Antarctica. Scientific names are usually based on Latin or Greek words and are written in italics or underlined. Buffalo District’s main projects to eradicate hydrilla are at the Erie Canal and Tonawanda Creek, Tonawanda, NY, as well as on Cayuga Lake near Aurora, NY and Ithaca, NY. This is a non-native plant that should not be grown as it is invasive and … Hydrilla. The Pennsylvania Flora Project of Morris Arboretum. Research Summary: Regan L. I found that doing the research for my invasive species was quite challenging because so many websites were not what I was looking for. In online book: Bossard, C.C., J.M. See also: Included on California's noxious weed list; see. The stems of hydrilla are green up to several metres long either creeping or erect. Hydrilla verticillata : Source: Hydrocharitaceae of North America Update, database (version 2010) Acquired: 2010 : Notes: Updated by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010) Reference for: Hydrilla verticillata : Source: NODC Taxonomic Code, database (version 8.0) Acquired: 1996 : Notes: Hydrilla is a monotypic genus. It contains only one species Hydrilla verticillata. Hydrilla is a stocky whorled submergent plant with spiny leaves in whorls of approximately 4-6. It can grow to the surface and form dense mats. ), Biological control of invasive plants in the eastern United States (FHTET-2002-04). It may be monoecious or dioecious. Hydrilla (waterthyme) is a genus of aquatic plant, usually treated as containing just one species, Hydrilla verticillata, though some botanists divide it into several species. Origins: This is unclear, but hydrilla is probably native to Asia or Africa, although now it seems to be just about everywhere on the planet. Center for Plant Health Science and Technology; California Department of Food and Agriculture. hydrilla (Hydrilla verticillata)Scientific Name: Hydrilla verticillata Common Name: hydrilla, esthwaite waterweed, or water thyme. It contains only one species Hydrilla verticillata. Hydrilla is an aquatic plant native to Asia, Africa, and Australia. ARS. University of Georgia. The leaves typically in whorls of 4, although numbers may vary. Click below on a thumbnail map or name for species profiles. Pennsylvania State University. "Hydrilla completely chokes out our waterways and impacts all the things we enjoy,” said Michael Greer, USACE Buffalo District project manager." Washington Invasive Species Council. California Department of Food and Agriculture. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. As a result, its sale in recent years has been limited. Hydrilla is an exotic species introduced from southeast Asia which first appeared in United States during 1960's. Description. It can form in all types of water bodies. Hydrilla verticillata (L. f.) Royle. Hydrilla is a noxious water weed that can quickly form an impenetrable mat. This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. Hydrilla, Florida elodea, water thyme, Indian star-vine, Crowds out native species; impedes irrigation and boating (. Maps can be downloaded and shared. Smithsonian Environmental Research Center. University of Florida. Noxious Weed Program. Shearer. Scientific Name: Hydrilla verticillata Origin: Asia. PPQ. University of Maine. The .gov means it’s official.Federal government websites always use a .gov or .mil domain. The District provides assistance on Pymatuning Lake which borders Pennsylvania and Ohio, and at Raystown Lake in south central Pennsylvania. Some botanists divide it into different species. Variation in leaf number, stem elongation, and leaf shape can result in misidentification with other genera similar in appearance. Randall, and M.C. Common Names.
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