Aquatic plants ›


General Infomation

A genus of about 28 (mostly native) species. Typically perennial, sometimes with rhizomes.

Biological Control

Biological Control of Aquatic Weeds with Triploid Grass Carp

Grass carp may feed lightly on weeds in this group, but control is usually unacceptable.



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Species Data


Generally a shoreline plant that grows in a large grouping. Prefers slow-moving, shallow water.


Emersed, floating, or submersed on long petioles. Several species with arrowhead-shaped leaves.


Mostly in whorls of three on pedicels with three whiteish petals and three sepals.

Similar Species

Green arrow arum lacks showy flowers.

Aquatic Plants App

Whether you're a professional botanist or a casual nature enthusiast, the NC State University (NCSU) Aquatic Weeds app has detailed information on a wide variety of aquatic weeds to assist in identification.