Potamogeton zosteriformis Fernald. Common name: Flatstem Pondweed. Phenology: Jul-Sep. Habitat: Quiet calcareous or alkaline tidal waters. Distribution: NL (Newfoundland) west to AK, south to n. VA, ne. WV, n. IL, KS, UT, and CA.
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, C, Can, F, FNA22, G, GrPl, Il, K4, Mi, NE, NY, Pa, Va, WV, Wiegleb & Kaplan (1998). Basionym: Potamogeton zosteriformis Fernald 1932
Links to other floras: = Potamogeton zosteriformis - FNA22
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Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 9
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