Callitriche stagnalis Scop.

Common Water-starwort

Fl. Carniol., edn 2, 2: 251 (1860) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Aquatic or mud-terrestrial, spreading or mat-forming, relatively robust with stems to c. 90 cm long, glabrous. Leaves variable, linear-spathulate to suborbicular, 2–25 mm long, 1–6 mm wide, 3–7-veined, petiolate; upper leaves rosetted. Flowers usually paired, a male and female together in 1 or both axils; bracteoles falcate, c. 1.5 mm long, membranous, persistent; stamen 1.4–4(–7) mm long, c. twice as long as fruit; styles erect, 2.5–4 mm long, becoming recurved in fruit, persistent. Fruit more or less circular, 1.2–1.7 mm long and wide, usually slightly longer than wide, subsessile, pale buff; wing prominent. Flowers and fruits mainly Sep.–Apr.

*CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HFE, *HNF, *HSF, *MonT, *MuF, *NIS, *OtP, *OtR, *SnM, *Strz, *VAlp, *VRiv, *VVP, *WaP, *WPro, *Wim. Also naturalised in WA, SA, Qld, NSW, Tas. Native to Europe, north Africa and Asia, widely naturalized. Widespread over all but north-western Victoria, growing in water or creeping on mud. .

Source: Jeanes, J.A. (1999). Callitrichaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
genus Callitriche
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Callitriche stagnalis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Callitriche stagnalis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present naturalised
Glenelg Plain present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway Plain present naturalised
Warrnambool Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised
Wilsons Promontory present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present naturalised
Strzelecki Ranges present naturalised
Monaro Tablelands present naturalised
Highlands-Far East present introduced
Victorian Alps present naturalised
Snowy Mountains present naturalised

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory