Aquatic plants ›
Perennial herbs, typically submersed, with four-lobed schizocarp fruit that splits into one-seeded nutlets. Submersed leaves are pinnately dissected. Native to South America and introduced to the U.S. as an aquarium plant. Colonies typically have both submersed and emergent growth.
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Generalist, can tolerate a wide variety of conditions.
Whorled, and grey-green (new growth may be bright green). Submersed leaves larger and more finely divided than emergent leaves. Appear featherlike.
Elongated and relatively strong. Emergent growth will die back during winter, but submersed growth may continue winter growth in moderate climates.
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.