Invasive Species: Parrotfeather
Myriophyllum aquaticum
Native to South America and the Amazon basin, parrotfeather has been reported in the northwest since the 1940s.
Why is it important to control?
Parrot feather creates dense mats of vegetation blocking sunlight and oxygen exchange. Heavy infestations will reduce native plant diversity and impact recreation and agricultural use.
How can you identify it?
| Habitat: | Slow moving or still waters |
| Life Cycle: | Perennial |
| Height: | Stems can grow to 15ft |
| Leaf Description: | Bright green feather-like leaves arranged in whorls. Resemble small fir trees. |
| Fruit & Flower Description: | Tiny white flowers. Can reproduce by seeds or stem fragments. |
| Bloom Time: | May to July |
