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Isoetes maritima

Isoetes maritima Underw.

Coastal Quillwort, Maritime Quillwort

Isoetaceae (Quillwort family)

Synonym(s): Isoetes echinospora ssp. maritima, Isoetes echinospora var. maritima, Isoetes muricata ssp. maritima

USDA Symbol: ISMA3

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

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Size Notes: Up to about 5 inches tall.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating plant. Sporulates Jul - Aug.

Distribution

USA: AK , WA
Canada: AB , BC , YT
Native Habitat: Lakes and streams, usually aquatic, occasionally emergent.

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

Metadata

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

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