Legal listings: This plant is also on the Washington State quarantine list. Native to Europe, Asia, northern Africa and Greenland. Select a category . Its rapid and effective dispersal, largely as plant fragments … It has dissected leaves that are feather like and arranged in whorls of four. Myriophyllum spicatum. Eurasian watermilfoil can be found in freshwater lakes, ponds, and canals with slow-moving waters in northern and central California, particularly in the San Francisco Bay and San … Integrated Taxonomic Information System. Myriophyllum spicatum Photo courtesy Joseph DiTomaso. Potential environmental impacts and economic damages of Eurasian watermilfoil (Myriophyllum spicatum) in western Nevada and northeastern California. It creates dense mats of vegetation that shade out other native aquatic plants, diminish habitat and food resource value for fish and birds, and decreases oxygen levels in the water when the plant decays. Other Common Names: spike watermilfoil Weed class: B Year Listed: 1988 Native to: Europe, Asia and Northern Africa Is this Weed Toxic? Myriophyllum spicatum. Genus: Myriophyllum Species: M. spicatum Common Names: watermilfoil, spiked milfoil, milfoil Identification Key Eurasian watermilfoil is a perennial, submersed, aquatic plant. spiked water milfoil. Shaw. Scientific Name: Myriophyllum spicatum L. Eurasian water-milfoil is a perennial, aquatic, submersed herb that was accidentally introduced from Eurasia, probably in the 1940s. Scientific name: Myriophyllum spicatum. Common Name: Eurasian Water-milfoil. It was introduced to the U.S. in the early 1940's. Myriophyllum spicatum Common name(s): Eurasian Watermilfoil Eurasian Watermilfoil is native to Eurasia, and was probably imported as an ornamental plant by government workers in the 1940s and through the ornamental plant trade around the same time. Family: Haloragaceae. Myriophyllum spicatum. Myriophyllum spicatum. : not known to be. Weed Technology 14(3):511-518. Previous Scientific Names. Myriophyllum spicatum is a submerged aquatic plant that can rapidly colonise a pond, lake or area of slow-moving water. 1986. Family Haloragaceae - submerged vegetation. Usual maximum size in aquariums: 20 - 70 cm (7.87 - 27.56 inch) 0 14. ... Other Common Names. Recommended temperature: 20 - 27 °C (68 - 80.6°F) Eurasian watermilfoil (Myriophyllum spicatum L.) is a submersed aquatic angiosperm currently considered to be a very troublesome weed, particularly throughout the Eastern United States (7, 14, 50, 65, 72). NameThatPlant.net currently features 3816 plants and 23,855 images. Myriophyllum spicatum, Eurasian Water-milfoil. Common names: spike watermilfoil Myriophyllum spicatum (Eurasian watermilfoil) is a common submersed aquatic perennial (family Haloragaceae). Notes on Taxonomy and Nomenclature Top of page. The Alabama Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. Recommended pH range for the species: 6.3 - 7.7. Family: Haloragaceae. M. spicatum is a species of Palaeoarctic (probably European) origin (Faegri, 1982), introduced to North America where … Comments. There are some 54 species of Myriophyllum, submerged, emergent or seasonally terrestrial (Cook, 1990; Chambers et al., 2008), but only two are major aquatic weed species: Myriophyllum spicatum and Myriophyllum aquaticum. [Accessed Sep 10, 2014]. The website also provides access to a database and images of plants photos and herbarium specimens found at … Recommended water hardness (dGH): 5 - 23°N (89.29 - 410.71ppm) 0°C 32°F 30°C 86°F. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. 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