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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Myriophyllum pinnatum

Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb.

Cutleaf Watermilfoil

Haloragaceae (Water Milfoil Family)

Synonym(s): Myriophyllum scabratum, Myriophyllum verticillatum var. cheneyi, Potamogeton pinnatum

USDA Symbol: MYPI

USDA Native Status: L48 (N), CAN (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Schizocarp
Size Notes: Stems aquatic or semi-aquatic, up to about 3 feet long.

Bloom Information

Bloom Color: White , Purple , Brown
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct

Distribution

USA: AL , AR , CT , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MO , MS , NC , ND , NE , NJ , NM , NY , OH , OK , RI , SC , SD , TN , TX , VA , WV
Canada: BC , SK

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL OBL OBL OBL OBL
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Myriophyllum pinnatum in USDA Plants
FNA: Find Myriophyllum pinnatum in the Flora of North America (if available)
Google: Search Google for Myriophyllum pinnatum

Metadata

Record Modified: 2022-10-24
Research By: Joseph A. Marcus

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