Native Plants
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Myriophyllum heterophyllum
Myriophyllum heterophyllum Michx.
Twoleaf Watermilfoil
Haloragaceae (Water Milfoil Family)
Synonym(s):
USDA Symbol: MYHE2
USDA Native Status: L48 (N), CAN (N)
From the Image Gallery
No images of this plant
Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Schizocarp
Size Notes: Stems up to about 8 feet long, mostly submersed.
Bloom Information
Bloom Color: WhiteBloom Time: May , Jun , Jul , Aug , Sep , Oct
Distribution
USA: AL , AR , CT , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , ND , NH , NJ , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , WI , WVCanada: NB
Growing Conditions
Aquatic: yesNational Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL | OBL | OBL |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Nueces River Authority - Uvalde, TX
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 heterophyllum in USDA PlantsFNA: Find Myriophyllum heterophyllum in the Flora of North America (if available)
Google: Search Google for Myriophyllum heterophyllum
Metadata
Record Modified: 2023-04-05Research By: TWC Staff