Native Phragmites

  • Leaves are yellow-green in color and the sheaths readily fall away (absent in winter)
  • Stands grow to a maximum of 6.5 feet tall and are sparse
  • Seed heads are brown and not as dense or branched as the Non-native seed heads

Non-Native Phragmites

  • Leaves and plants are bluish-green in color and the sheaths remain close to stem and are present through winter
  • Stands grow to a maximum of 20 feet tall and form dense mono cultures
  • Seed heads are purple-brown and form large, dense branching plumes

Helpful Links

Active Management Partners in the U.P.

Three Shores Cooperative Invasive Species Management Area

Serving: Chippewa, Luce and Mackinac Counties

https://www.threeshorescisma.org/

Keweenaw Invasive Species Management Area

Serving: Houghton, Keweenaw, and Baraga Counties

https://www.mtu.edu/kisma/

Lake to Lake Cooperative Invasive Species Management Area

Serving: Alger, Delta, Schoocraft, and Marquette Counties

https://www.l2lcisma.org/

Wild Rivers Invasive Species Coalition

Serving: Dickinson and Menominee Counties

https://www.wrisc.org/

Western Peninsula Invasives Coalition

Serving: Gogebic, Iron, and Ontonagon Counties

https://upwepic.com/