Native Plants

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.

Enter a Plant Name:
Or you can choose a plant family:

Myriophyllum hippuroides

Myriophyllum hippuroides Nutt. ex Torr. & A. Gray

Western Watermilfoil, Western Water-milfoil, Western Milfoil

Haloragaceae (Water Milfoil family)

Synonym(s):

USDA Symbol: MYHI

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

From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Schizocarp
Size Notes: Stems up to about 5 feet long.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov

Distribution

USA: CA , IL , OR , WA , WI
Canada: BC
Native Habitat: Aquatic, in lakes, ponds, riparian sloughs, slow-moving streams.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			OBL					OBL	OBL	OBL

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 36 - Jepson eFlora (2019) The Jepson Herbarium, University of California, Berkeley
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 0000-00-00
Research By: CBR

Go back