Sparganium fluctuans (Engelmann ex Morong) B.L. Robinson. Common name: Floating Bur-reed. Phenology: Jul-Aug. Habitat: Lake margins, streams, shores. Distribution: NL west to BC, south to n. NJ, PA, MI, WI, MN, SK, AB, and WA.
ID notes: "Vegetative plants may be confused with S. angustifolium: the leaf width in S. fluctuans ranges from 3-11 mm , but is generally wider than 5 mm, whereas that of S. angustifolium ranges from 1.5-5 mm, but is typically less than 5 mm wide (Crow & Hellquist 2023).
Origin/Endemic status: Native
Synonymy ⓘ: = AqW, C, Can, F, FNA22, K4, Mi, NE, NY, Pa
Links to other floras: = Sparganium fluctuans - FNA22
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.



Feedback
See something wrong or missing on about Sparganium fluctuans? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.
Horticultural Information
No horticultural data found for this taxon.