Copy permalink to share

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. Basionym: Sparganium androcladum (Engelm.) Morong var. fluctuans (Engelm.) Morong 1888

Links to other floras: = Sparganium fluctuans - FNA22

Show in key(s)

Show parent genus | Show parent in key(s)

Wetland Indicator Status:

  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 8

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Louis Imbeau, some rights reserved (CC BY), uploaded by Louis Imbeau source CC-BY | Original Image ⭷
image of plant© Rob Foster, some rights reserved (CC BY), uploaded by Rob Foster source CC-BY
image of plant© Jay Brasher, some rights reserved (CC BY), uploaded by Jay Brasher source CC-BY | Original Image ⭷
image of plant© Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa source CC-BY
image of plant© Rob Foster, some rights reserved (CC BY), uploaded by Rob Foster source CC-BY
image of plant© Jay Brasher, some rights reserved (CC BY), uploaded by Jay Brasher source CC-BY | Original Image ⭷
image of plant© Quinten Wiegersma, some rights reserved (CC BY), uploaded by Quinten Wiegersma source CC-BY

Feedback

See something missing or incorrect about Sparganium fluctuans? Let us know here:

  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

No horticultural data found for this taxon.

« show previous | back to original search ↑ | show next »