Giant Reed, Arundo donax


  • Displaces native plants and wildlife
  • Reduces habitat and food supply for wildlife
  • Uses a great deal of groundwater
  • Obstructs stream flows
  • Fire hazard
  • Can promote bank erosion

Other problematic invasive weeds:

Salt Cedar (Tamarisk ramosissima)

Perennial Pepperweed (Lepidium latifolium)

Yellow Starthistle (Centaurea solstitialis)

Barbed Goat Grass (Aegilops triuncialis)

Tree of Heaven (Ailanthus altissima)

Purple Starthistle (Centaurea calcitrapa)