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

Callitriche stagnalis Scop.
pond water-starwort
Plantaginaceae (Mare's-tail family)
(Previously in Callitrichaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #7385)

E-Flora BC Static Map
Distribution of Callitriche stagnalis
Click here to view the full interactive map and legend
Details about map content are available here
New! Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Aquatic or semi-aquatic perennial rooting in mud; stems 3-15 cm long, leaf bases joined by small winged ridges.
Leaves:
All opposite, linear and single-nerved to broadly egg- or spoon-shaped and 3- to 5-nerved, 1 cm wide.
Flowers:
Inflorescence of tiny inconspicuous flowers borne with bracts, white; female flowers stalkless or short-stalked; styles sometimes reflexed.
Fruits:
Achene-like, 4, each 1-seeded, 1-1.5 mm long, conspicuously wing-margined all around, minutely pitted.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Slow-moving streams and ponds in the lowland, steppe and montane zones; infrequent in S BC, locally frequent in WC BC (Skeena River estuary); introduced from Europe.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Callitriche stagnalis

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

Minimum

Average

Maximum

Elevation (metres) 0 0 0
Slope Gradient (%) 0 0 2
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
E
Number of field plots
 species was recorded in:
3
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: CWH(3)

Climate

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References