Native Plants

Plant Database

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Cressler, Alan

Isoetes lacustris

Isoetes lacustris L.

Lake Quillwort, Merlin's-grass

Isoetaceae (Quillwort Family)

Synonym(s): Isoetes hieroglyphica

USDA Symbol: ISLA

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

Submerged, aquatic species.

From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb , Grass/Grass-like
Size Notes: To about 6 inches in height.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating species.

Distribution

USA: CT , MA , ME , MI , MN , NH , NJ , NY , RI , TN , VA , VT , WI
Canada: MB , NB , NS , NT , ON , PE , QC , SK

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:					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.

Additional resources

USDA: Find Isoetes lacustris in USDA Plants
FNA: Find Isoetes lacustris in the Flora of North America (if available)
Google: Search Google for Isoetes lacustris

Metadata

Record Modified: 2015-08-12
Research By: Joseph A. Marcus

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