Parrot's Feather, Water Feather, South American Water-milfoil
Myriophyllum aquaticum
Synonyms: Myriophyllum brasiliense, Myriophyllum proserpinacoides
Parrot's feather observed along the Fort to Sea Trail besides the floating in East Neacoxie Creek, just south of the Pioneer Church, Lewis and Clark National and State Historic Parks.....January 22, 2021.
Paul Slichter