The following information has been extracted from the full lists of invader and problem plants maintained in terms of South Africa’s
Conservation of Agricultural Resources Act.

In South Africa these plants are classified as weeds and must be eradicated and destroyed.

Acacia longifolia (Long-leaved wattle)

Acacia pycnantha (Golden wattle)

Araujia sericifera (Moth catcher)

Arundo donax (Giant reed, Spanish reed)

Caesalpina decapetala (Mauritius thorn)

Canna indica (Indian shot) – excluding all

Cestrum aurantiacum (Yellow cestrum,
Orange cestrum)

Cestrum elegans (Crimson cestrum)

Chromolaena odorata (Triffid, Paraffin weed)

Datura stramonium (Thorn apple, Olieboom)

Eichhornia crassipes (Water hyacinth)

Hakea gibbosa (Rock hakea)

Hakea sericea (Silky hakea)

Leptospermum laevigatum (Australian
myrtle, Coast tea tree)

Nerium oleander (Oleander) – excluding
sterile double-flowered cultivars.

Opuntia aurantiaca (Jointed prickly pear)

Opuntia ficus-indica (Sweet prickly pear) –
excluding spineless hybrids.

Opuntia imbricata (Imbricate prickly pear)

Opuntia rosea (Rosea cactus)

Pistia stratiotes (Water lettuce)

Pittosporum undulatum (Australian

Rhus succedanea (Wax tree)

Salvinia molesta (Kariba weed)

Tecoma stans (Yellow bells)


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