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Potamogeton gramineus Linnaeus. Variable Pondweed. Phen: Jun-Aug. Hab: Estuarine waters. Dist: Greenland and AK, south to sc. PA (Rhoads & Klein 1993; Rhoads & Block 2007), NJ, WV (Kartesz 1999), n. VA, MI, WI, CO, UT, and CA. Reported for VA (Fairfax County); specimen identification needing confirmation.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, C, FNA22, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, WV, Wiegleb & Kaplan (1998); = n/a – Tat; > Potamogeton gramineus L. var. maximus Morong – F

Links to other floras: = Potamogeton gramineus - FNA22

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 9

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image of plant© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang source CC-BY | Original Image ⭷ Warning: was NOT research grade.
image of plant© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang source CC-BY | Original Image ⭷ Warning: was NOT research grade.

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