Najas flexilis (Willdenow) Rostkovius & Schmidt. Common name: Northern Naiad. Phenology: Jul-Aug. Habitat: Lakes, rivers, impoundments. Distribution: Newfoundland and Labrador (Newfoundland) west to Ontario, south to Connecticut, Michigan, and Nebraska; also in the west from Alberta and Saskatchewan south to Oregon and Utah; n. Eurasia.
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, Can, NS, NY, POWO; < Naias flexilis Rost. & Schmidt. — S, S13, orthographic variant; < Najas flexilis (Willd.) Rostk. & Schmidt — C, F, FNA22, G, GrPl, Il, K1, K4, Mi, Mo1, NE, Pa, SFla, Va, W, WV, Haynes (1979). Basionym: Caulinia flexilis Willdenow 1798
Links to other floras: < Najas flexilis - FNA22
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Wetland Indicator Status:
- Great Plains: OBL (taxonomic split from wetland indicator species)
- Midwest: OBL (taxonomic split from wetland indicator species)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
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