Native Plants

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Isoetes riparia

Isoetes riparia Engelm. ex A. Braun

River Bank Quillwort, River Quillwort, Shore Quillwort

Isoetaceae (Quillwort family)

Synonym(s):

USDA Symbol: ISRI

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

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Size Notes: Up to about 20 inches tall.

Bloom Information

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

Distribution

USA: CT , DC , DE , MA , MD , ME , NC , NH , NJ , NY , PA , RI , SC , VA , VT , WV
Canada: ON , QC
Native Habitat: Margins of lakes, ponds and streams; tidal shores and estuaries; calcareous to slightly acidic substrates in fresh, usually oligotrophic, water.

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.

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

Metadata

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

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