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biodiversity explorer

the web of life in southern Africa

Declared weeds and invader plants in South Africa >

Grasses and reeds that are declared weeds or invaders in South Africa

Note: This section of Biodiversity Explorer on weeds and invaders is out-of-date, as the information has been superceded by more recent legislation and lists that fall under the National Environmental Management: Biodiversity (NEMBA) Act. These documents can be downloaded here.

There are nine species of grasses (including reeds) that are declared weeds or invaders in South Africa.

Species Type Cate-gory  

Arundo donax (Giant reed, Spanish reed)

Classification: Poaceae

 Weed 1  

Cortaderia jubata (Pampas grass, Pampasgras)

Classification: Poaceae

 Weed 1  

Cortaderia selloana (Pampas grass, Pampasgras, Silwergras)

Classification: Poaceae

Declared status excludes sterile cultivars.

 Weed 1  

Nassella tenuissima (White tussock, Witpolgras)

[= Stipa tenuissima]

Classification: Poaceae

 Weed 1  

Nassella trichotoma (Nassella tussock, Nassella polgras)

[= Stipa trichotoma]

Classification: Poaceae

 Weed 1  

Pennisetum setaceum (Fountain grass, Pronkgras)

Classification: Poaceae > Pennisetum

Declared status excludes sterile cultivar 'Rubrum'.

Weed 1  

Pennisetum villosum (Feathertop, Veergras)

Classification: Poaceae > Pennisetum

 Weed 1  

Sorghum halepense (Johnson grass, Aleppo grass, Johnsongras)

Classification: Poaceae > Sorghum

 Invader 2