Form: aquatic
Status: not present in WA
A creeping, terrestrial or aquatic plant native to North and South America.
Appearance
Leaves: Round leaves mounted centrally on vertical stalks up to 15 centimetres long. Leaf marked with veins that extend like the spikes of a wheel from the centre of the leaf to its margin.
Flowers: Inconspicuous small white flowers are borne in tight groups at the tip of stalks scattered among the leaves. Flowers carried in groups of threes.
Agricultural and economic impacts
An environmental weed that grows in wet/damp places and shallow waters such as marshes, riparian margins, nutrient-rich pools, irrigation and drainage canals, seeps, and muddy sites.
Declared pest category
The Western Australian Organism List (WAOL) contains information on the area(s) in which this pest is declared and the control and keeping categories to which it has been assigned in Western Australia (WA). Search for shield pennywort in the WAOL using the scientific name Hydrocotyle verticillata.
Requirements for land owners/occupiers and other persons
Requirements for land owners/occupiers and other persons if this pest is found can be sourced through the declared plant requirements link.
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MyPestGuide™ Reporter | Pest and Disease Information Service (PaDIS) |
Control method
Control methods for this declared plant can be found through the shield pennywort control link.