Ruppia maritima L.

Sp. Pl. 127 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: data deficient (k)

Perennial herb. Branches erect, up to 5(–8) cm long. Leaves up to 15 cm long, up to 0.5 mm wide; undamaged apex obtuse to subacute. Perennating swollen shoots absent. Inflorescence maturing below water surface on an axis usually less than 5(–10) cm long; axis uncoiled but often recurved in fruit, or 1–3 times loosely coiled. Carpels 2–5, initially subsessile, stalk elongating as carpels mature until it is much longer than, carpel. Fruiting carpel 2–4 long, 1–1.5 mm diam. Flowers and fruits Jan.

DunT, GipP, Glep, LoM, MuM, NIS, OtP, VRiv, VVP, WaP, WPro, Wim. All mainland States. Cosmopolitan. Occurs in freshwater, brackish or saline dams and lakes in the north and north-west, and apparently rare.

Source: Conn, B.J. (1994). Potamogetonaceae (including Ruppiaceae). In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-05-31
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Alismatales
family Ruppiaceae
genus Ruppia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Ruppia maritima in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ruppia maritima in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Dundas Tablelands present native
Northern Inland Slopes present native
Wilsons Promontory present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales