VH - Look Alike Plants

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Maine Center for Invasive Aquatic Plants

Plant ID Tools

Plant Structure Plant Communities Dichotomous key to some Maine native aquatic plants Quick Key

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Look Alike Plants

Listing of Invasive Aquatic Plants
and their native look alikes

Brazilian elodea

Hydrilla
Common water starwort
Common waterweed
Large water starwort
Mare's tail
Slender waterweed

Curly-leaf Pondweed

Large-leaf pondweed
Clasping-leaf pondweed
Other species in the Potamogeton genus

Eurasian water-milfoil

Water marigold
Coontail
Common bladderwort
Fanwort
Mermaid-weed
Prickly hornwort
White water crowfoot

Yellow water crowfoot

European frogbit

Small yellow pond lily
Fragrant water lily
Water-shield
Spatterdock
Little floating heart

European naiad

Slender naiad
Southern naiad
Thread-like naiad

Fanwort

Water-milfoil species
Common bladderwort
Water marigold
White water crowfoot
Yellow water crowfoot
Coontail
Prickly hornwort
Mermaid-weed

Hydrilla

Brazilian elodea
Common water starwort
Common waterweed
Large water starwort
Mare's tail
Slender waterweed

Parrot feather

Other water-milfoil species
Mermaid-weed

Variable water-milfoil

Water marigold
Coontail
Common bladderwort
Fanwort
Mermaid-weed
Prickly hornwort
White water crowfoot
Yellow water crowfoot

Water Chestnut

Water chestnut is not easily confused with other aquatic plants.

Yellow floating heart

European frogbit
Small yellow pond lily
Fragrant water lily
Little floating heart
Watershield
Spatterdock