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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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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 Time: Jul , Aug
Bloom Notes: Non-flowering, sporulating plant. Bloom time refers to when spores mature.

Distribution

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

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
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 - beta site (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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