Weeds - Goulburn Broken Catchment Management Authority

Restricted Weed
Cabomba
Description: Mostly a submersed aquatic herb. Usually
rooted but sometimes free-floating in mats.
flowers: White or cream, sometimes with a pink tinge at the
end and 2 yellow spots at the base of each petal. 2 cm in
diameter and consisting of 3 petals on short stalks. Appearing
between November and March.
leaves: Submerged leaves opposite or in whorls. Finely
divided into many segments that form a fan shape
approximately 3 cm long. Surface leaves narrow, 2 cm long
and sometimes forked at the tip.
stems: Slender, branched to 2 m long and covered in a thin
mucilaginous (slimy) coating.
Note: Popular aquarium plant. Spreads easily from stem
fragments and can restrict water flows. Weed of National
Significance.
similar Native species: Could be confused with Hornwort
(Ceratophyllum demersum), though Hornwort has a stiffer
texture.
22
Cabomba caroliniana
(Fanwort)
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CONtROl OPtIONs VECtOR Of sPREAD