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Flowering Rush
Butomus umbellatus
Flowering rush is a perennial, herbaceous, aquatic plant that grows 1-4 ft. tall, on an erect stem. The narrow, pointed leaves are triangular in cross section and have smooth edges and parallel veins.
Flowering Rush
INVASIVE SPECIES
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Parrot Feather Watermilfoil
Parrot Feather Watermilfoil
Myriophyllum aquaticum
Parrot feather is an aquatic perennial species named for its bright green, feather-like appearance.
Quagga Mussel
Quagga Mussel
Dreissena bugensis
The quagga mussel is a filter-feeding, freshwater, bivalve mollusk. It is pale toward the end of its hinge and about 3/4" wide.
Red Swamp Crayfish
Red Swamp Crayfish
Procambarus clarkii
Red swamp crayfish are crustaceans that are dark red in color and grow to 2-5 inches in length. The plates on the body of the red swamp crayfish touch on the center of its back distinguishing from the native white river crayfish.
Round Goby
Round Goby
Neogobius melanostomus
The round goby is a small, soft-bodied fish with a distinctive black spot on its first dorsal fin. It has large, protruding eyes and its body ranges from 4-10" in length. While juveniles are grey, adult round gobies have grey, black, brown and olive green markings.
Rusty Crayfish
Rusty Crayfish
Orconectes rusticus
The rusty crayfish has a dark brown body, distinguishable by dark, rusty spots on either side of the carapace. Rusty crayfish are opportunistic feeders. They are a very aggressive species that often displace native crayfish
Sea Lamprey
Sea Lamprey
Petromyzon marinus
The sea lamprey is an aggressive parasitic fish that resembles an eel. This species has two dorsal fins, no paired fins, seven gill openings, and a very distinctive disk-shaped mouth with sharp, curved teeth and a rasping tongue. Their scaleless body is a mottled gray to black color that fades to a silver-white coloration on the underside. Adult sea lampreys are generally 12-20 inches in length.
Silver Carp
Silver Carp
Hypophthalmichthys molitrix
Silver carp are deep-bodied fish that are laterally compressed. These large fish, which can reach up to 100 lbs., can breed very rapidly.
Spiny Waterflea
Spiny Waterflea
Bythotrephes cederstroemi
Spiny waterfleas are tiny crustaceans less than 1/2" long with long, sharp, barbed tails. Spiny waterfleas collect in gelatinous globs on fishing equipment and lines.