to spread and proliferate across otherwise disconnected bodies of water. Effective methods for mitigating this spread, are visual inspections with subsequent hand removal or pressure washing upon boat removal. In the Okanagan River Basin of south-central British Columbia, a specially-adapted rototiller is used to dredge shallow water to damage or destroy the root system. Chemistry Myriophyllum spicatum produces ellagic, gallic and pyrogallic acids and (+)-catechin, allelopathic polyphenols inhibiting the growth of blue-green alga Microcystis aeruginosa. References External links Species Profile- Eurasian Watermilfoil (Myriophyllum spicatum L.), National Invasive Species Information Center, United States National Agricultural Library. Lists general information and resources for Eurasian Watermilfoil. Flora Europaea: Myriophyllum spicatum Flora of Taiwan: Myriophyllum spicatum Invading Species.com Ontario Ministry of Natural Resources and the Ontario Federation of Anglers and Hunters Jepson Manual Treatment USDA ARS. Foiling Watermilfoil Photo gallery spicatum Flora of Lebanon Plants described in 1753 Taxa named by Carl Linnaeus