American Water-Milfoil

Myriophyllum sibiricum is found in areas including Greenland, Labrador, Newfoundland, Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon, and Saint Pierre and Miquelon. It is also distributed across the Nearctic and Palaearctic regions. This aquatic species is commonly referred to as shortspike watermilfoil, northern watermilfoil, and Siberian water-milfoil. The plant's fanlike green leaves are divided into many narrow, feathery lobes, and it is adapted to freshwater environments. The species was first described in 1914.