Native Plants
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Myriophyllum verticillatum
Myriophyllum verticillatum L.
Whorl-leaf Watermilfoil
Haloragaceae (Water Milfoil Family)
Synonym(s): Myriophyllum verticillatum var. intermedium, Myriophyllum verticillatum var. pectinatum, Myriophyllum verticillatum var. pinnatifidum
USDA Symbol: MYVE3
USDA Native Status: L48 (N), AK (N), CAN (N), SPM (N)
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Plant Characteristics
Duration: PerennialHabit: Herb
Leaf Arrangement: Whorled
Leaf Shape: Ovate
Fruit Type: Schizocarp
Size Notes: Stems up to about 10 feet long, mostly submersed.
Bloom Information
Bloom Color: White , Yellow , Green , PurpleBloom Time: Jul , Aug , Sep , Oct
Distribution
USA: AK , AR , CA , CO , CT , FL , GA , IA , ID , IL , IN , LA , MA , MD , ME , MI , MN , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OR , PA , SD , TX , UT , VT , WA , WI , WYCanada: NB , NS , PE
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL | OBL | OBL | OBL | OBL | OBL |
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 verticillatum in USDA PlantsFNA: Find Myriophyllum verticillatum in the Flora of North America (if available)
Google: Search Google for Myriophyllum verticillatum
Metadata
Record Modified: 2023-01-11Research By: TWC Staff