European Frog-bit — 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

Speckled Alder
Silky Dogwood
Sweet Gale
Little Bluestem
Numerous fern species

Common canopy vegetation

Maple
White and Red Pine
Eastern White Cedar
Tamarack
White, Black Spruce
Red Oak
Basswood
Ash
Poplar
Yellow and White Birch
Jack Pine
Balsam Fir and Balsam Poplar
Butternut (endangered)
Lichens and mosses