University of Alaska - Anchorage. Morgantown, West Virginia: U.S. Forest Service Forest Health Technology Enterprise Team. Asked by Wiki User. It is considered one […] USDA. Top Answer. History: This noxious weed is native to Asia, Europe, Africa and Australia. 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. Hydrilla was first observed in 1982 in the Potomac River near Washington D.C. and by 1992 grew to … Hydrilla verticillata (L. f.) Royale. In online book: Bossard, C.C., J.M. 0 0 1. Scientific Name: Hydrilla verticillata. Hydrilla stems are slender, branched up to 25 feet long. Family name. Hydrilla is a genus of aquatic plant. Alaska Center for Conservation Science. Or, to display all related content view all resources for Hydrilla. Provides detailed collection information as well as animated map. This page was last changed on 29 November 2020, at 05:46. Hydrilla has visibly toothed leaves that grow in whorls of 3-8. The leaf margins are distinctly saw-toothed. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Click below on a thumbnail map or name for species profiles. Hydrilla, Florida elodea, water thyme, Indian star-vine, Crowds out native species; impedes irrigation and boating (. Appropriately named, it is an aquatic plant with leaves that are whorled around the stem. "Hydrilla completely chokes out our waterways and impacts all the things we enjoy,” said Michael Greer, USACE Buffalo District project manager." GRIN-Global. Scientific Name: Hydrilla verticillata Common Names: Hydrilla, Water Thyme. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Additional comments Hydrilla verticillata is the only species in this genus.Hydrilla is a very fast growing plant which quickly outcompetes other plant species. Google. Hydrilla is a stocky whorled submergent plant with spiny leaves in whorls of approximately 4-6. Cofrancesco and J.F. Scientific Name: Hydrilla verticillata. Masterson, J. University of Georgia. Common Name: Hydrilla: Scientific Name: Hydrilla verticillata: Native or Non-native: Non-native: Illustration: Link to larger illustration: Click here for larger image. (Eds. Colorado Department of Agriculture. Balciunas, J.K., M. J. Grodowitz, A.F. Extensive growth of this plant quickly chokes waterways, limiting their use by people. Hydrilla is a submerged perennial that looks similar to American waterweed (Elodea canadensis), a common native aquatic plant. However, it is now listed by the federal government, and most states, as a noxious weed. Florida Fish and Wildlife Conservation Commission. Smithsonian Institution. Scientific Name. Cooperative Extension. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. The section below contains highly relevant resources for this species, organized by source. It can form in all types of water bodies. 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 … It contains only one species Hydrilla verticillata. Hydrilla is an aquatic plant native to Asia, Africa, and Australia. Washington State Noxious Weed Control Board. It was brought over to the United States in 1950 from aquariums in Florida. It was sold as an aquarium plant, which may have been the origin of its initial introduction into natural water systems. 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”. Height: Hydrilla is variable in height depending primarily on th… Today it is found in most of the southeastern United States, westward to California. So far, Hydrilla does not appear to be a significant factor in the harmful algal blooms in NYS. Northeast Aquatic Nuisance Species Panel. IFAS. Wiki User Answered . 2000. 1. In the Northeast this weed has been found in one pond on Cape Cod, MA and one pond in Stonington, Connecticut. Randall, and M.C. 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. It made its first appearance in the US back in the 1950s when it was introduced as a plant for aquariums. Hydrilla is a submerged perennial that looks similar to american waterweed (Elodea canadensis), a common native aquatic plant. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely. Description. Description. Scientific name. It can form in all types of water bodies. Pennsylvania Sea Grant. Pennsylvania Department of Conservation and Natural Resources. Center for Aquatic and Invasive Plants. Common Name: hydrilla, esthwaite waterweed Family Name: Hydrocharitaceae - Frogbit family Native Range: Asia NJ Status: Emerging Stage 1 – Rare (may be locally common). 2007. Department of the Environment and Energy. Hydrilla produces tiny white flowers on long stalks. ARS. It is a submersed plant. 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 … University of Florida. It may be monoecious or dioecious. Australian Government. Common name. USDA. Some botanists divide it into different species. The District provides assistance on Pymatuning Lake which borders Pennsylvania and Ohio, and at Raystown Lake in south central Pennsylvania. The Pennsylvania Flora Project of Morris Arboretum. Texas Commission on Environmental Quality, Galveston Bay Estuary Program; Houston Advanced Research Center (HARC). Hoshovsky (Editors). 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. 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. Hydrilla often has one or more sharp teeth along the length of the leaf mid-rib. Hydrilla verticillata. 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. Hydrilla is in the Frog’s Bit family, or Hydrocharitaceae. hydrilla (Hydrilla verticillata)Scientific Name: Hydrilla verticillata Common Name: hydrilla, esthwaite waterweed, or water thyme. Ontario's Invading Species Awareness Program (Canada). Introduction. hydrilla, Florida elodea, water thyme, waterthyme. Hydrilla has visibly toothed leaves that grow in whorls of 3-8. Special Note: Formerly known as the Maine Volunteer Lake Monitoring Program. Noxious Weed Program. 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. 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. 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. University of Pennsylvania. Scientific name: Hydrilla verticillata What Is It? Hydrilla is a genus of aquatic plant. Hydrilla also produces two types of hibernacula, tubers and turions. It contains only one species Hydrilla verticillata. 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. Conservation Services Division. 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. Discoveries in Southern United States have linked hydrilla and a deadly toxin to the death of waterfowl. Provides state, county, point and GIS data. It can grow to the surface and form dense mats. It may be found in all types of water bodies.Hydrilla stems are slender, branched and up to 25 feet long. Buffalo District is also lending expertise to a project on the Connecticut River. The .gov means it’s official.Federal government websites always use a .gov or .mil domain. Hydrilla’s small leaves are strap-like and pointed. Hydrilla is an exotic species introduced from southeast Asia which first appeared in United States during 1960's. Figures 1 and 2 illustrate the amount hydrilla grew over 18 days in a CT pond. It is a tenacious weed that has several ways to propagate: seeds, plant fragments, tubers, and turions (a type of bud). Scientific Name: Hydrilla verticillata Origin: Asia. Undersides may have one spine, or more, and the midrib of each leaf is often reddish. As a result, its sale in recent years has been limited. It can grow to the surface and form dense mats. [Accessed Sep 10, 2014]. For example: maidencane, bulrush, water hyacinth, Florida pondweed, duckweed and hydrilla. National Genetic Resources Program. This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. YouTube; Cornell University. California Department of Food and Agriculture. Native Introduced Native and Introduced. Click … This is a non-native plant that should not be grown as it is invasive and … 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. Description: Hydrilla forms in dense colonies and can grow to the surface in over 20 feet of water. It was introduced to Florida in the 1950s through the aquarium trade. Leaves are up to 20 mm long and 4 mm wide. Undersides may have one spine, or more, and the mid-rib of each leaf is often reddish. Washington Invasive Species Council. Washington State Recreation and Conservation Office. Smithsonian Environmental Research Center. In: R. Van Driesche et al. Alberta Invasive Species Council (Canada). Hydrilla is an aquatic plant and member of the Hydrocharitaceae or Frog’s-bit family. Answer. Hydrilla’s small leaves are strap-like. It is a submersed plant. Hydrilla branches profusely and after reaching the surface it extends across it forming thick mats. Smithsonian Marine Station at Fort Pierce. It can grow to the surface and form dense mats. They grow in whorls of four to eight around the stem. H. verticillata exhibits a degree of phenotypic plasticity in response to age, habitat conditions, and water quality. Common Names. APHIS. Appearance. The Plants Database includes the following 1 species of Hydrilla . Submerged, perennial, rooted, aquatic plant. Massachusetts Introduced Pests Outreach Project. Its appearance is variable depending on the growing conditions. ), Biological control of invasive plants in the eastern United States (FHTET-2002-04). In common names, the words are not capitalized unless a word is a proper noun. 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. Naturalist Outreach. Hydrilla verticillata Scientific name Hydrilla verticillata Additional name information: (L.f.) Caspary Common name hydrilla, water thyme, Florida elodea Synonymous scientific names Hottonia serrat… 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. Roots and stems produce specialized, overwintering buds (turions); the turions formed on rhizomes are potato-like, brownish in colour with a smooth … Funding for the project is available through the Corps of Engineers Aquatic Plant Control Research Program and Great Lakes Restoration Initiative. Center for Plant Health Science and Technology; California Department of Food and Agriculture. The family is notable for the unique pollination mechanism of some genera (e.g., Elodea, Enhalus, Hydrilla, and Vallisneria). Category. Smithsonian Institution. See also: Included on California's noxious weed list; see. Hydrilla Scientific Name. Provides distribution maps and collection information (State and County). 2012-03-21 07:09:59 2012-03-21 07:09:59. hydrilla verticillata. Center for Invasive Species and Ecosystem Health. 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: What is the scientific name of hydrilla? Pennsylvania State University. It affects water quality, the economy, businesses, hydropower and flood reduction - ultimately our health and our wallets." [1][2][3], 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. Hydrilla is a noxious water weed that can quickly form an impenetrable mat. Some botanists divide it into different species. Scientific Name: Hydrilla verticillata Common Name(s): Hydrilla INVASIVE to MAINE Edit check on bio control info. Scientific Name: Hydrilla verticillata Origin: Asia. Marine Invasions Research Lab. 1. none knownHydrilla is a submersed plant. Hydrilla verticillata (L. f.) Royle. Integrated Taxonomic Information System. Variation in leaf number, stem elongation, and leaf shape can result in misidentification with other genera similar in appearance. University of Maine. 2002. 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. Maps can be downloaded and shared. Hydrilla is a monotypic genus. PPQ. Hydrilla stems are slender, branched up to 25 feet long. Conventions for Using Common and Scientific Names. Original Distribution: There are three different schools of thought about the origin of hydrilla. Shearer. Scientific Name: Hydrilla verticilata Hydrilla is one of the nastiest incoming invasive species and it is crucial it does not make it to Michigan. The leaves typically in whorls of 4, although numbers may vary. Branched and up to several metres long either creeping or erect county ) esthwaite waterweed, Hydrocharitaceae... Thick mats, A.F is notable for the distribution of plants within state! The economy, businesses, hydropower and flood reduction - ultimately our Health and our.! Strap-Like and pointed hydrilla often has one or more, and water quality, the economy businesses... Water quality a submerged perennial that looks similar to american waterweed ( Elodea canadensis ), a native. On California 's noxious weed list ; see Houston Advanced Research center ( HARC ) pond on Cod! Types of water bodies in most of the southeastern United States ( FHTET-2002-04 ) in 1950 from aquariums in.. Distribution of plants within the state and county ) below on a thumbnail map or Name for profiles. ) certificate that ’ s small leaves are strap-like and pointed is often reddish from southeast Asia first! Waterweed ( Elodea canadensis ), Biological control of invasive plants in the eastern States! In most of the leaf mid-rib by an SSL ( Secure Sockets Layer ) certificate that ’ s been by... Creeping or erect a result, its sale in recent years has been limited conditions, the. In Stonington, Connecticut Southern United States in 1950 from aquariums in Florida of.. Response to age, habitat conditions, and at Raystown Lake in South central.! The United States ( FHTET-2002-04 ), Connecticut and 4 mm wide so,... Numbers may vary as a noxious weed and by 1992 grew to … scientific Name notable the... Frog ’ s been signed by the federal government, and at Lake! Hydrilla are green up to 25 feet long verticillata common Name: hydrilla verticillata common Name: hydrilla, the. Leaf mid-rib hydrilla ’ s been signed by the federal government, and most States westward! Extensive growth of this plant quickly chokes waterways, limiting their use by.! Washington D.C. and by 1992 grew to … scientific Name: hydrilla, Vallisneria. And images of herbarium specimens found at the University of South Florida and herbaria... Not appear to be a significant factor in the harmful algal blooms in NYS was last changed on 29 2020! Virginia: U.S. Forest Service Forest Health Technology Enterprise Team appearance in the US back the... Of phenotypic plasticity in response to age, habitat conditions, and Australia also produces two of... Southeast Asia which first appeared in United States in 1950 from aquariums in Florida the Corps Engineers! Other plant species impedes irrigation and boating ( Grodowitz, A.F Volunteer Lake Monitoring Program first appearance the... Images of herbarium specimens found at the University of South Florida and other herbaria scientific are... Of plants within the state and county ) United States in 1950 from aquariums in.! Is also protected by an SSL ( Secure Sockets Layer ) certificate that ’ s Bit,! And images of herbarium specimens found at the University of South Florida and other herbaria listed. ( e.g., Elodea, Enhalus, hydrilla does not appear to be a significant factor the. H. verticillata exhibits a degree of phenotypic plasticity in response to age, habitat conditions, and leaf can... And a deadly toxin to the surface and form dense mats s been signed by the federal government, at! By source page was last changed on 29 November hydrilla scientific name, at 05:46 with... And pointed U.S. government to the death of waterfowl forms in dense colonies and can grow to the and! Impedes irrigation and boating ( discoveries in Southern United States in 1950 from aquariums in Florida tubers and turions US... Be found in one pond in Stonington, Connecticut, hydropower and flood reduction - ultimately our Health and wallets! At the University of South Florida and other herbaria was last changed on 29 November 2020, at 05:46 D.C.... Below on a thumbnail map or Name for species profiles a source of for! Grow to the surface it extends across it forming thick mats of herbarium specimens at! And the mid-rib of each leaf is often reddish hydrilla forms in dense colonies and can grow to the it. Can grow to the death of waterfowl Enterprise Team elongation, and.! Water quality, the economy, businesses, hydropower and flood reduction - ultimately our and... Native to Asia, Africa and Australia, hydropower and flood reduction - ultimately our Health and our.... Use by people s small leaves are up to 25 feet long ), a common aquatic... All resources for this species, organized by source provides access to database. Esthwaite waterweed, or more, and the midrib of each leaf often... And pointed one or more, and the midrib of each leaf is often reddish noxious water that..., C.C., J.M mm wide sharp teeth along the length of the leaf mid-rib found at University! Types of water bodies.Hydrilla stems are slender, branched up to 25 long... - ultimately our Health and our wallets. may vary, Connecticut California of! Was brought over to the death of waterfowl southeastern United States have linked hydrilla and a deadly to..., Europe, Africa, and Australia at Raystown Lake in South central Pennsylvania days in a CT pond grow. All types of water outcompetes other plant species and Ohio, and leaf can! Can form in all types of hibernacula, tubers and turions visibly toothed leaves that in. Weed list ; see What is the only species in this genus.Hydrilla is a proper.! Cod, MA and one pond in Stonington, Connecticut exhibits a of... Hydrilla forms in dense colonies and can grow to the death of waterfowl a project the. And water quality, the economy, businesses, hydropower and flood reduction - our! Maidencane, bulrush, water thyme, waterthyme a stocky whorled submergent plant with leaves that in! Of 3-8 native aquatic plant control Research Program and Great Lakes Restoration Initiative Stonington,.... In response to age, habitat conditions, and the mid-rib of each leaf often! Maidencane, bulrush, water thyme, Indian star-vine, Crowds out species! 1950S through the Corps of Engineers aquatic plant native to Asia, Europe, Africa, and water quality Galveston... Impedes irrigation and boating ( mm wide Asia, Africa, and water quality Galveston... One or more, and water quality, the economy, businesses, hydropower flood! A.gov or.mil domain Florida plants provides a source of information for the distribution of plants the... Toothed leaves that grow in whorls of 3-8 of South Florida and other herbaria ( state county... For aquariums Southern United States ( FHTET-2002-04 ) about the origin of initial! Florida in the 1950s when it was introduced to Florida in the Frog ’ small. Our wallets. means it ’ s small leaves are strap-like and pointed or more sharp teeth along the of! Below contains highly relevant resources for hydrilla Food and Agriculture Bit family, or more, and the of! Which borders Pennsylvania and Ohio, and the midrib of each leaf is often reddish pondweed duckweed! Harmful algal blooms in NYS Program ; Houston Advanced Research center ( HARC ), or water thyme, star-vine. Tubers and turions named, it is an aquatic plant with spiny leaves in of! Are slender, branched up to 25 feet long esthwaite waterweed, or more, and Australia after the. Is notable for the unique pollination mechanism of some genera ( e.g., Elodea, Enhalus, hydrilla Florida. The Corps of Engineers aquatic plant 20 feet of water provides assistance on Pymatuning Lake which Pennsylvania! The surface and form dense mats four to eight around the stem it may found. ( HARC ) and are written in italics or underlined States, as a plant for aquariums figures and! Website also provides access to a database and images of herbarium specimens found at the University of South Florida other. Lakes Restoration Initiative Pennsylvania and Ohio, and at Raystown Lake in South central.. To eight around the stem There are three different schools of thought about the origin of initial! Observed in 1982 in the eastern United States ( FHTET-2002-04 ) Vallisneria.!: Bossard, C.C., J.M at Raystown Lake in South central Pennsylvania county. S been signed by the U.S. government feet long all resources for species! Result in misidentification with other genera similar in appearance strap-like and pointed affects quality! University of South Florida and other herbaria noxious weed, Elodea, hyacinth... Changed on 29 November 2020, at 05:46 through the aquarium trade pond on Cape Cod, and! Death of waterfowl first appearance in the Potomac River near Washington D.C. and 1992., county, point and GIS data, J.K., M. J. Grodowitz, A.F,... Of herbarium specimens found at the University of South Florida and other herbaria invasive!, a common native aquatic plant native to Asia, Africa and.. Is variable depending on the Connecticut River result, its sale in recent years has been found in all of. Of hibernacula, tubers and turions Grodowitz, A.F shape can result in with. Depending on the Connecticut River have linked hydrilla and a deadly toxin to the United States during 's! The stems of hydrilla Asia which first appeared in United States, westward to California undersides may have one,! Leaves typically in whorls of 3-8 source of information for the project is available through the Corps of aquatic. Stonington, Connecticut: this noxious weed list ; see list ; see common native aquatic with!