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Smith, R.W.

Alisma triviale

Alisma triviale Pursh

Northern Water Plantain

Alismataceae (Water-Plantain Family)

Synonym(s): Alisma brevipes, Alisma plantago-aquatica ssp. brevipes, Alisma plantago-aquatica var. americanum, Alisma plantago-aquatica var. brevipes

USDA Symbol: ALTR7

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

Members of the Water-Plantain Family grow in water, in swamps, on muddy banks, or occasionally in wet sand. Each plant has long-petioled leaves in a clump with a flowering stem rising among them. The flowers have 3 green sepals, 3 white or pink-tinged petals, 6 or more stamens, and several pistils. Stamens and pistils may be in separate flowers.

From the Image Gallery

12 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Shape: Lanceolate , Linear
Fruit Type: Achene
Size Notes: Up to about 3 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Usually white, sometimes pinkish.

Distribution

USA: AK , AR , AZ , CA , CO , CT , DE , IA , ID , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SD , UT , VT , WA , WI , WY
Canada: NB , NL , NS , PE , QC
Native Habitat: Fresh Water Aquatic

Growing Conditions

Soil Moisture: Wet
Aquatic: yes

Benefit

Conspicuous Flowers: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

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

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 30 - Calflora (2018) Calflora
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 Alisma triviale in USDA Plants
FNA: Find Alisma triviale in the Flora of North America (if available)
Google: Search Google for Alisma triviale

Metadata

Record Modified: 2022-11-02
Research By: TWC Staff

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