Spirodela punctata (G.Mey.) C.H.Thomps.

Thin Duckweed

Annual. Rep. Missouri Bot. Gard. 9: 28 (1898) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Roots 2–8(–11). Thallus ± rounded or broadly obovate, 2–4(–5) mm long, 1.2–2.5 mm wide (length to width ratio 1.5–2), with 3–7 veins; dorsal surface green; ventral surface often purplish.

DunT, EGL, GipP, Gold, HNF, HSF, MuF, MuM, MSB, NIS, RobP, Strz, VRiv, VVP, WaP. Also WA, SA, Qld, NSW, Tas. In Victoria, occasional in lagoons and backwaters in the Riverina area, with scattered occurrences throughout the lowlands of southern Victoria.

Source: Conn, B.J. (1994). Lemnaceae. 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: Val Stajsic, 2018-05-02
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Alismatales
family Araceae
genus Spirodela
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Spirodela punctata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Spirodela punctata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native
Gippsland Plain present native
Warrnambool Plain present native
Goldfields present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Strzelecki Ranges present native