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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

A tall evergreen tree 18-40m high with a spreading crown and smooth, mottled, white or grey bark, often tinged red in very cold areas. Pale, dull green leaves. Cream flowers appear from September to January and produces brown to reddish brown fruit capsules. It invades perennial, seasonal and intermittent water courses.

Published in Invasive Plants

A prickly and hairy shrub or tree up to 4m high with numerous branches starting from the base. Young twigs and branches very hairy. Greyish-green, needle-shaped leaves which start off densely hairy becoming smooth. Deep cream, small flowers from June to September. Grey woody fruit capsules with a rough surface.

Published in Invasive Plants

A tall, evergreen tree with a shaft-like trunk 25-55m high with smooth bark except for the part of the trunk up to 4m from the ground. The bark peels in long, thin strips to expose a powdery, white, grey-white or blue-grey surface. Dark green leaves which are glossy above and paler below. Cream flowers appear from April to August. Brown fruit capsules with a bluish-grey powdery surface. This tree invades forest clearings, plantations, water courses and roadsides.

Published in Invasive Plants

A very prickly shrub or tree up to 5m high with numerous branches starting at the base. Young twigs covered in short, fine hairs, older stems smooth. Dark green to grey-green, smooth, needle-shaped leaves. Cream, small flowers from June to September. Wooden fruit capsules which are purplish-brown with paler markings

Published in Invasive Plants

Low softy woody shrublet 0.2- 0.4(-0.7) m high creamy – white branches. Leaves are grey to bluish-green, scaly, about 2x longer than broad, margins smooth or slightly wavy and toothed. Flowers: cream to yellow, minute, in tight axillary cluster at the ends of leafy stem. Fruits are utricles, grey-green turning pink or straw- coloured, spongy and inflated, sub-globose, upper surface flattened, up to 10 mm long and wide. 

Published in Invasive Plants
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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