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Potamogeton ×spathuliformis

Potamogeton ×spathuliformis (J.W. Robbins) Morong (pro sp.)

Hybrid Pondweed, Spoon Pondweed

Potamogetonaceae (Pondweed family)

Synonym(s): Potamogeton varians

USDA Symbol: POSP4

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

Natural hybrid of Potamogeton gramineus and P. illinoensis.

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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Drupe
Size Notes: Submersed stems up to about 4 feet long.
Leaf: Leaves submersed.
Fruit: Drupaceous.

Bloom Information

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

Distribution

USA: AZ , CT , IA , ID , IL , IN , MA , ME , MI , MN , NE , NY , VT , WI
Canada: ON , QC
Native Habitat: Ponds, lakes, streams and rivers.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:								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 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 34 - Go Botany (2019) Native Plant Trust
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Potamogeton �spathuliformis in USDA Plants
FNA: Find Potamogeton �spathuliformis in the Flora of North America (if available)
Google: Search Google for Potamogeton �spathuliformis

Metadata

Record Modified: 2020-11-02
Research By: CBR

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