Myriophyllum alterniflorum, known as alternate water-milfoil or alternateflower watermilfoil, is a species of water-milfoil. It is native to Europe, Asia, and North America, where it grows in aquatic habitat such as ponds and streams. It generally grows over a meter long, with its stem lined with whorls of fleshy green leaves divided into many narrow lobes.
Jepson Manual Treatment
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*All information is based on published scientific research