scale bar = 1cm.

*Parrot's Feather - a weed (*Myriophyllum aquaticum).

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Other names *Myriophyllum brasiliense.

Family: Haloragaceae (Raspwort family).

Native of South America.

Occurrence: Parrot’s Feather grows in creeks and shallow water. It has potential to be a serious pest in local waterways.

Identification:

Parrot’s Feather is an introduced Water Milfoil. It is a troublesome weed of water channels and creeks. It spreads vegetatively from broken stem fragments, so that careless weeding may help spread the plant.

Similar species: There are some common native Water Milfoils. The natives differ from Parrot’s Feather in that

Photo 1: Leaves of Parrot’s Feather. 2: Emergent leaves. 3: A dense growth of Parrot’s Feather. All photos: Campbells Creek.
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