Native Plants

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Cressler, Alan

Callitriche heterophylla

Callitriche heterophylla Pursh

Two-headed Water-starwort

Callitrichaceae (Water-Starwort Family)

Synonym(s):

USDA Symbol: CAHE3

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

From the Image Gallery

30 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Schizocarp
Size Notes: Submersed stems up to about 10 inches long. Sometimes grows in mud, laying on surface.
Leaf: Green.

Bloom Information

Bloom Color: Green
Bloom Time: Mar , Apr , May

Distribution

USA: AK , AL , AR , AZ , CA , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY
Canada: NB , NS

Growing Conditions

Water Use: High
Light Requirement: Sun
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 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 Callitriche heterophylla in USDA Plants
FNA: Find Callitriche heterophylla in the Flora of North America (if available)
Google: Search Google for Callitriche heterophylla

Metadata

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

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