Native Plants

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Smith, R.W.

Wolffia borealis

Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi

Northern Watermeal

Lemnaceae (Duckweed Family)

Synonym(s): Wolffia punctata

USDA Symbol: WOBO

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

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Floating water plant.
Fruit: Utricle.

Bloom Information

Bloom Color: Green
Bloom Time: Jul , Aug , Sep
Bloom Notes: This species rarely flowers. Reproduction is normally clonal by budding.

Distribution

USA: CA , CO , CT , IA , ID , IL , IN , KS , KY , MA , MD , MI , MN , MO , MT , NC , NE , NH , NJ , NY , OH , OR , PA , SD , TN , UT , VA , VT , WA
Canada: AB , BC , ON , QC

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	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 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 Wolffia borealis in USDA Plants
FNA: Find Wolffia borealis in the Flora of North America (if available)
Google: Search Google for Wolffia borealis

Metadata

Record Modified: 2023-04-10
Research By: Joseph A. Marcus

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