Salvinia molesta D.S.Mitch. APNI*
Description: Aquatic fern, free-floating, 5–20 cm long.
Fronds in whorls of 3, the 2 floating fronds strongly keeled, ± circular to ovate, 1–4 cm long, base cordate, the upper surface covered with long papillae, the lower surface bearing densely matted brown hairs.
Sporocarps borne in large numbers on pendent branches of the submerged, much divided leaf. Sporocarps sterile since this species is apparently of hybrid origin; plant spreads vegetatively by fragmentation.
Distribution and occurrence: Often floating on dams and ponds; introduced from S Amer.
NSW subdivisions: *NC, *CC, *SC, *CWS, *SWP
Other Australian states: *Qld *Vic. *W.A. *S.A. *N.T.
Declared Noxious Weed
Text by Peter G. Wilson
Taxon concept: Flora of NSW 1 (1990)
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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