Vascular Plants of North Carolina
Account for Eurasian Water-milfoil - Myriophyllum spicatum   L.
Members of Haloragaceae:
Members of Myriophyllum with account distribution info or public map:
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Section 6 » Order Haloragales » Family Haloragaceae
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AuthorL.
DistributionNorthern outer Coastal Plain and Outer Banks. First collected in 1968.

Native to Europe, Asia, and northern Africa. "Widespread in eastern United States" -- Weakley 2018.
AbundanceUncommon on the landscape, but may be abundant where found.
HabitatBrackish to fresh-tidal, shallow waters of Currituck Sound and at the mouth of the Perquimans River. This alien species can be a nuisance locally by clogging waterways and even replacing native aquatic vegetation.
PhenologyFlowering and fruiting August-October.
IdentificationEurasian Water-milfoil's leaves often look as if their ends had been cut off square with scissors. Leaves are in distinct whorls of 4, grayish green color, and with 24+ segments. Floral bracts are tiny and generally hidden by flowers and fruits.
Taxonomic CommentsSome specimens were originally determined as M. exalbescens, which has not been proven to occur in NC.

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State RankSE
Global RankGNR
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