https://tualatinswcd.org/species/parrotfeather/
Parrotfeather (Myriophyllum aquaticum) - Tualatin SWCD
Jul 28, 2025 - Parrotfeather is an aquatic plant that forms thick mats on the surface of waterways. It's dense mats shade out native plants and hinder water recreation.
myriophyllum aquaticumparrotfeathertualatin