Potamogeton alpinus Balbis. Red Pondweed, Alpine Pondweed. Phen: Jul-Sep. Hab: Ponds and slow-moving streams. Dist: Circumboreal, south in North America to PA, MI, WI, MN, SD, NM, AZ, and CA.
Origin/Endemic status: Native
Taxonomy Comments: The American plants are sometimes separated as var. tenuifolius from Eurasian var. alpinus based on narrower leaves and the fruit beak more curved.
Synonymy: = AqW, FNA22, K3, K4, Mi, NE, NY, Pa; >< Potamogeton alpinus Balb. var. subellipticus – F; > Potamogeton alpinus Balb. var. tenuifolius – C, GrPl
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily: 9
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© Nolan Exe, some rights reserved (CC BY), uploaded by Nolan Exe source CC-BY | Original Image ⭷ Warning: was NOT research grade.
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© Quinten Wiegersma, some rights reserved (CC BY), uploaded by Quinten Wiegersma 
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