Potamogeton robbinsii Oakes. Common name: Fern Pondweed, Flatleaf pondweed. Phenology: Aug-Sep. Habitat: Tidal freshwater aquatic beds. Distribution: NS and PE west to Keewatin and AK, south to n. VA, n. IL, s. MN, CO, UT, and CA; disjunct in s. AL (possibly introduced?).
ID notes: The stiff, 2-ranked (distichous) leaf array of this species is distinctive.
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, C, Can, F, FNA22, G, Il, K4, Mi, NE, NY, Pa, Tat, Va, Wiegleb & Kaplan (1998). Basionym: Potamogeton robbinsii Oakes 1841
Links to other floras: = Potamogeton robbinsii - 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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© Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Alex Graeff, some rights reserved (CC BY-NC-ND), uploaded by Alex Graeff source CC-BY-NC-ND, permission granted to NCBG | Original Image ⭷
© Alex Graeff, some rights reserved (CC BY-NC-ND), uploaded by Alex Graeff source CC-BY-NC-ND, permission granted to NCBG | Original Image ⭷
© Summit Metro Parks, some rights reserved (CC BY), uploaded by Summit Metro Parks source CC-BY | Original Image ⭷ Warning: was NOT research grade.Feedback
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Horticultural Information
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