Sparganium fluctuans (Engelmann ex Morong) B.L. Robinson. Floating Bur-reed. Phen: Jul-Aug. Hab: Lake margins, streams, shores. Dist: 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, F, FNA22, K3, K4, Mi, NE, NY, Pa
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ?: 8
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© Louis Imbeau, some rights reserved (CC BY), uploaded by Louis Imbeau source CC-BY | Original Image ⭷
© Jay Brasher, some rights reserved (CC BY), uploaded by Jay Brasher source CC-BY | Original Image ⭷
© Jay Brasher, some rights reserved (CC BY), uploaded by Jay Brasher source CC-BY | Original Image ⭷
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