Help us monitor and remove invasive plants from the basin by documenting occurrences of these species, pulling them out, and throwing them into a dumpster to prevent seed dispersal.
Elodea canadensis (American or Canadian Waterweed or Pondweed) is a perennial aquatic plant, or submergent macrophyte, native to most of North America. It was first recorded from the British Isles in about 1836.
Drooping brome or cheat grass, Bromus tectorum, is a grass native to Europe, southwestern Asia and northern Africa.