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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Invasive Species South Africa - Protecting Biodiversity from Invasion - Invasive Plants

Invasive Plants

Australian cheesewood

Pittosporum undulatum

Evergreen shrub or broadly conical tree up to 12m high. Dark green, shiny leavers tapering at both ends and usually wavy margins at the end of the branches. Fragrant white flowers in terminal clusters from August to September. Showy, orange turning brown capsules. 

Australian crimson oak

Grevillea banksii

Australian crimson oak is a tall, spreading shrub or small tree up to 7m high. It is a noxious woody evergreen with deciduous flowers. This hardy species grows readily in warm climates and coastal environments.

Australian myrtle

Leptospermum laevigatum

A large, densely branched and untidy spreading small tree reaching up to 8m high. The old stems are twisted and furrowed with flaking bark. Dull greyish-green, leathery leaves with rounded tips which end in a tiny point. Solitary white flowers appear from August to October. The green fruit capsules turn yellow and then grey.

Australian silky oak

Grevillea robusta

A large, evergreen tree 18-30m high with a straight trunk and moderately spreading crown. Leaves are dark green above and greyish-white or rusty-silk beneath and have a fern-like profile. Golden-orange flowers in terminal, bottle-brush-like sprays from September to November. Brownish-black, leathery fruits contain up to two winged seeds

Australian water clover

Marsilea mutica

Australian water clover is an aquatic water clover. It has reddish-brown stripes that split the darker green on the top half of the leaflets and the lighter green of the lower half. It reaches 4 to 12cm tall, spreads, and will grow in sun or shade. It also will grow in damp soil. It is very cold hardy - it will take temperatures below 15 degrees Celsius.

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training

22-01-2019

During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group

04-09-2018

Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?

01-03-2018

On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released

28-02-2018

Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised

25-01-2018

The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more