European Frog‐bit, a free‐floating aquatic plant with small white flowers, was intentionally
introduced in 1932. This plant species produces a dense floating mat of vegetation, preventing submerged aquatic plants from accessing light, dissolved gases, or nutrients.
Plants
Common in-stream vegetation
Algae
Macrophytes (larger aquatic plants)
Hornwort
Tape grasses
European Frog-bit (invasive)
European Water‐Milfoil (invasive)
Rush
Horsetail
Some examples of riparian (on the bank) vegetation