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Najas flexilis (Willdenow) Rostkovius & Schmidt. Subgenus: Caulinia. Northern Naiad. Phen: Jul-Aug. Hab: Lakes, rivers, impoundments. Dist: NL (Newfoundland) west to ON, south to CT, MI, and NE; also in the west from AB and SK south to OR and UT.

Origin/Endemic status: Native

Synonymy: = AqW, NY; < Naias flexilis – S, S13, orthographic variant; < Najas flexilis (Willd.) Rostk. & Schmidt – C, F, FNA22, G, GrPl, Il, K1, K3, Mi, Mo1, NE, Pa, SFla, Va, W, WV, Haynes (1979)

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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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