Landoltia punctata (G.Mey.) Les & D.J.Crawford APNI*
Synonyms: Spirodela punctata (G.Mey.) J.V.Thomps. APNI*
Spirodela oligorrhiza (Kurz) Hegelm. APNI*
Spirodela pusilla Hegelm. APNI*
Lemna punctata G.Mey. APNI*
Description: Herb floating at surface of water; roots 1–12.
Thallus ± rounded or broad-obovate, 2–5 mm long, 1.2–2.5 mm wide, length to breadth ratio 1.5–2, with 3–7 veins; upper surface green; lower surface often purplish.
Flowers recorded spring-summer.
Distribution and occurrence: in still or slowly moving freshwater; widespread.
NSW subdivisions: NC, CC, SC, CT, ST, NWS, CWS, SWS, SWP
Other Australian states: Qld Vic. Tas. W.A. S.A.
Previously called Spirodela punctata and placed in family Lemnaceae.
Text by B.J. Conn, Flora of New South Wales Vol. 4 (1993), as Spirodela punctata.
Taxon concept: Australian Plant Census (accessed May 2017), following D.H. Les & D.J. Crawford, Novon 9: 530–533 (1999)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.