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Najas guadalupensis (Sprengel) Magnus var. olivacea (Rosendahl & Butters) R.R. Haynes. Subgenus: Caulinia. Section: Americanae. Phen: Jul-Aug. Hab: Lakes, rivers. Dist: QC, ON, and MB south to NY, IN, IL, and IA.

Origin/Endemic status: Native

Synonymy: = C, Il, K3, K4; = Najas guadalupensis (Spreng.) Magnus ssp. olivacea (Rosend. & Butters) R.R.Haynes & Hellq. – FNA22, Mi, NE; = Najas olivacea Rosend. & Butters – NY; < Najas guadalupensis (Spreng.) Magnus – GrPl

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • 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)

Heliophily ?: 8

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image of plant© htrommer, some rights reserved (CC BY-NC) source CC-BY-NC | Original Image ⭷ Warning: was NOT research grade.
image of plant© wildlifebiologisttx, some rights reserved (CC BY-NC) source CC-BY-NC | Original Image ⭷ Warning: was NOT research grade.

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