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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

Evergreen tree 5-10m high with white or grey branchlets. Pale- or yellowish-green, glossy, thick leaves with lateral veins very close together. White or yellowish-green flowers in much-branched, many-flowered clusters from October to April. Purplish-red, one-seeded berries that are oval to pear-shaped, 15-25mm long.

Published in Invasive Plants

An evergreen shrub or small tree 3-6m high. Dark, almost black-green, thick, leathery, glossy leaves sometimes variegated in green and yellow. Heavily, scented white flowers appear in large terminal clusters from October to February followed by shiny black berries. The leaves and fruits are poisonous even though birds eat the fruits.

Published in Invasive Plants

A tall, dense, massively branched, evergreen tree 25-58m high with smooth bark that is grey-blue in colour with orange-yellow blotches. Dark green leaves which are glossy above and distinctly paler beneath. Cream flowers appear from May to December. The fruit capsules are globular and brown. This tree invades forest clearings, fynbos, roadsides and water courses.

Published in Invasive Plants

Spreading tree to 15m high with rough bark that doesn't have an appealing appearance. Light green leaves and whitish or yellow flowers appear from November to March. Straw-coloured, shiny, rattling pods with raised bumps.

Published in Invasive Plants

A small tree or shrub growing up to 4m high with open leafy branches. Dark green, drooping leaves which are often grey-hairy. White or pale yellow flowers borne singly or in groups of two or three from July to March. The seed pods are flattened and turn brown and occur in distinctive clusters that are raised over the seeds. Although used as a fodder plant, it is poisonous to livestock in large quantities.

Published in Invasive Plants
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General News Updates

2019 National Symposium on Biological Invasio…


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


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


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?


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


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


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