E-Flora BC: Electronic Atlas of the Flora of British Columbia

Stuckenia pectinata (L.) Börner
fennel-leaved pondweed (sago pondweed)
Potamogetonaceae (Horned pondweed family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20468)

E-Flora BC Static Map
Distribution of Stuckenia pectinata
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Species Information

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Perennial, aquatic herb from fine, tufted roots; stems up to 100 cm long, branched.
All submersed, linear, thin, green, 5-10 cm long, up to 1 mm wide, with 1 to 3 veins, the tips sharp-pointed, the stipules 0.5-2 cm long, the blades arising close to the tips of the stipules.
Inflorescence spikelike, the spikes 1.5-2.5 cm long, interrupted, with 2 to 5 whorls of flowers, the stalks thin.
Achenes, almost globe-shaped, 3.5-4 mm long, 2.5-3 mm wide, widest above the middle, the beaks prominent, short, the keels absent, the surface without fine, ray-like grooves.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Lakes, ponds and estuaries in the lowland, steppe and montane zones; frequent in BC east of the Coast-Cascade Mountains, infrequent on the coast; cosmopolitan, N to AK, YT and NT, E to NF and S to ME, MA, PA, NC, FL, MS, LA, TX, NM, AZ and CA; Eurasia, Mexico, C and S Africa, C and S America, New Zealand, Australia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Stuckenia pectinata

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 350 445 540
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
8 8 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: BG(2), PP(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Coleogeton pectinatus (L.) D.H. Les & Haynes
Potamogeton pectinatus L.
Stuckenia pectinatus (L.) Böerner

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References