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Callitriche palustris

Callitriche palustris L.

Vernal Water-starwort

Callitrichaceae (Water-Starwort Family)

Synonym(s): Callitriche palustris var. verna, Callitriche verna

USDA Symbol: CAPA52

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

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Leaf Shape: Linear , Obovate , Spatulate
Leaf Margin: Entire
Leaf Base: Cuneate
Fruit Type: Schizocarp
Size Notes: Up to about 8 inches tall, mostly submersed.
Leaf: Green

Bloom Information

Bloom Color: Green , Brown
Bloom Time: May , Jun , Jul , Aug , Sep

Distribution

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

Growing Conditions

Water Use: Medium
Light Requirement: Sun
Soil Moisture: Moist
CaCO3 Tolerance: Medium
Aquatic: yes

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.

Web Reference

Webref 62 - Burke Herbarium Image Collection (2020) University of Washington
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 Callitriche palustris in USDA Plants
FNA: Find Callitriche palustris in the Flora of North America (if available)
Google: Search Google for Callitriche palustris

Metadata

Record Modified: 2023-05-30
Research By: TWC Staff

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