Numerous species of milfoil are common throughout the U.S. Worldwide, the genus (myriophyllum) has 45 species in Europe, Asia, India, Japan, North and Central America and North Africa.
Milfoil can winter over in frozen lakes, thrive in warm pond waters, and live in acidic and calcium rich waters, slow moving waters of lakes and ponds and some rivers. Milfoil is found in a variety of sediments, light levels, temperatures and depths up to 20 feet.
Identifying Milfoil
