Myriophyllum pinnatum, common names cutleaf water-milfoil, green parrot's-feather, and pinnate water-milfoil, is a species of Myriophyllum.
Conservation status in the United States It is listed as endangered in Connecticut."Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 1 February 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.) It is also listed as endangered in Indiana New Jersey, New York (state), as "historical" in Kentucky, as threatened in Rhode Island and Tennessee, and as a special concern in Massachusetts.
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