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Najas marina

Najas marina L.

Holly-leaf Waternymph, Spiny Waternymph, Spiny Naiad, Holly-leaved Naiad

Najadaceae (Water-nymph Family)

Synonym(s): Najas gracilis, Najas major, Najas major var. angustifolia, Najas marina var. recurvata

USDA Symbol: NAMA

USDA Native Status: L48 (N), HI (I), PR (N), CAN (N)

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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Achene
Size Notes: Stems up to about 18 inches long, partially submerged.
Fruit: Seeds not recurved, reddish brown.

Bloom Information

Bloom Color: Green , Purple , Brown
Bloom Time: Jun , Jul , Aug , Sep , Oct

Distribution

USA: AZ , CA , FL , IA , IL , IN , KS , MI , MN , ND , NE , NM , NV , NY , OH , OK , PA , SD , TX , UT , VA , WI
Canada: ON
Native Habitat: Aquatic, in brackish or highly alkaline waters of ponds and lakes.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	OBL		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 3 - Flora of North America (2014) 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 Najas marina in USDA Plants
FNA: Find Najas marina in the Flora of North America (if available)
Google: Search Google for Najas marina

Metadata

Record Modified: 2020-07-14
Research By: CBR

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