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Cressler, Alan

Isoetes tenella

Isoetes tenella Léman

Spiny-spore Quillwort

Isoetaceae (Quillwort Family)

Synonym(s): Isoetes braunii, Isoetes echinospora, Isoetes echinospora ssp. asiatica, Isoetes echinospora ssp. muricata, Isoetes echinospora var. asiatica, Isoetes echinospora var. braunii, Isoetes echinospora var. hesperia, Isoetes echinospora var. muricata, Isoetes echinospora var. robusta, Isoetes echinospora var. savilei, Isoetes muricata, Isoetes muricata var. braunii, Isoetes muricata var. hesperia, Isoetes setacea, Isoetes setacea ssp. muricata

USDA Symbol: ISTE5

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

Submerged, aquatic species.

From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

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

Bloom Information

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

Distribution

USA: AK , CA , CO , CT , DE , ID , MA , MI , MN , MT , NH , NJ , NY , OH , OR , PA , RI , UT , VT , WA , WI , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , QC , YT

National Wetland Indicator Status

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

Additional resources

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

Metadata

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

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