Wolffia globosa (Roxb.) Hartog & Plas APNI*
Description: Herb floating at water surface.
Thallus globose to ovoid, with length of upper emergent surface 1.5–2.3 times breadth; upper surface 0.3–0.7 mm long, 0.2–0.3 mm wide, 0.20–0.6 mm high, whitish green in central parts, intensely green laterally (on 'margins'), flat near apex and convex near base.
Flowering: flowers recorded March.
Distribution and occurrence: recorded growing in irrigation tanks and ponds; north from Penrith district.
NSW subdivisions: CC
Other Australian states: Qld W.A. S.A.
Wolffia was formerly placed in Lemnaceae.
Text by B.J. Conn, Flora of New South Wales Vol. 4: 38 (1993), in Lemnaceae
Taxon concept: Australian Plant Census (accessed May 2017)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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