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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.

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Potamogeton zosteriformis (Flatstem pondweed)
Smith, R.W.

Potamogeton zosteriformis

Potamogeton zosteriformis Fernald

Flatstem Pondweed

Potamogetonaceae (Pondweed Family)

Synonym(s): Potamogeton compressus, Potamogeton zosterifolius ssp. zosteriformis

USDA Symbol: POZO

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

 

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Breeding System: Flowers Bisexual
Fruit Type: Drupe
Size Notes: Stems submersed, up to about 4 feet long.
Leaf: Green, submersed.
Fruit: Drupaceous.

Bloom Information

Bloom Color: Green
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov

Distribution

USA: AK , CA , CT , IA , ID , IL , IN , KS , MA , MD , ME , MI , MN , MT , ND , NE , NH , NJ , NY , OH , OR , PA , SD , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , ON , PE , QC , SK , YT

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Low
Aquatic: yes

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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 Potamogeton zosteriformis in USDA Plants
FNA: Find Potamogeton zosteriformis in the Flora of North America (if available)
Google: Search Google for Potamogeton zosteriformis

Metadata

Record Modified: 2023-05-02
Research By: TWC Staff

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