American Pondweed

31 Dec

American Pondweed Description

American pondweed (Potamogeton nodosus) is a perennial plant that has both submerged and floating oval shaped leaves, which are typically 4-7 inches long and can be up to 2 inches wide. The leaves of an American pondweed are arranged in an alternated pattern on slender stems. Although submerged leave are not abundant, they are blade-like, somewhat transparent and much smaller than the floating leaves.


American Pondweed

American Pondweed Identification

  • Dark green forking leaves, up to 1 2 inches in length arranged in whorls on the stem
  • Submersed plant without roots
  • Plants may be bushy or very long and sparse
  • Feathery leaves on the stem resemble a raccoon’s tail. The stems can be 1 to 2 feet in length.
  • The leaf has small teeth on the midribs, which make it rough to the touch
  • It has very small flowers that are rarely seen