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Cressler, Alan

Isoetes louisianensis

Isoetes louisianensis Thieret

Louisiana Quillwort

Isoetaceae (Quillwort Family)

Synonym(s):

USDA Symbol: ISLO

USDA Native Status: L48 (N)

From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Size Notes: Aquatic to emergent, leaves up to about 16 inches long.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating plant. Spores mature winter to early spring.

Distribution

USA: LA , MS

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: S00T
Status: Endangered
Historic Range: U.S.A. (LA, MS)
Critical Habitat: N/A
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

National Wetland Indicator Status

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

Additional resources

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

Metadata

Record Modified: 2022-11-01
Research By: Joseph A. Marcus

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