Potamogeton nodosus Poiret. Common name: Longleaf Pondweed, American Pondweed. Phenology: May-Sep. Habitat: Ponds, lakes, streams, and rivers. Distribution: ME and QC west to BC, south to Panhandle FL, TX, CA, Mexico, and Central America.
ID notes: The floating leaves of Potamogeton nodosus can be distinguished from P. natans by the presence of 9-21 veins (vs. 17-37 in P. natans).
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, Ar, C, Can, ETx1, F, FNA22, G, GrPl, GW1, Il, K4, Mi, Mo1, NcTx, NE, NY, Pa, RAB, Tn, Tx, Va, W, WH3, WV, Z; > Potamogeton americanus Cham. & Schltdl. — S13, Tat; ? Potamogeton fluitans Roth — S; Potamogeton oblongifolium Forster, proposed for nomenclatural rejection (Reveal et al. 2003). Basionym: Potamogeton nodosus Poir. 1816
Links to other floras: = Potamogeton nodosus - FNA22
Show parent genus | Show parent in key(s)
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
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© Paul Marcum source | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Aidan Campos source | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Paul Marcum source | Original Image ⭷
© Joey Shaw source | Original Image ⭷
© Aidan Campos source | Original Image ⭷Feedback
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