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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

Canada elderberry

Sambucus canadensis

The Canada elderberry is a large flowering shrub with multiple stems. The upper surface of the leaflet is darker green and the underside is paler with fine white hairs on the veins. The creamy-white flowers are small and the fruit is a small berry-like drupe, which begins green, then turns reddish and eventually purplish-black. The roots, stems, leaves and bark are very toxic.

Canadian water weed

Elodea canadensis

A submerged aquatic plants with slender stems up to 3m long. Green, finely serrated leaves 5-15mm long usually in whorls of three. Yellow or cream flowers on long, thread-like stalks which float on the water surface. It invades still or slow-moving water in lakes and ponds.

Canary ivy

Hedera canariensis

This evergreen perennial can climb up to 10m high by means of rootlets on the stems, or it can spread over the ground to form a carpet. The leaves are green, sometimes with broad silvery-grey or white edges, and glossy when new, becoming leathery with age. The hairs on juvenile leaves are reddish. The flowers are green in terminal, globular umbels, but seldom appear. Fruits are drupes, which are black when ripe.

Canarybird bush

Crotalaria agatiflora

Canary bird bush is an evergreen shrub characterised by flowers that look like a family of canaries perching on a branch. The yellow-green flowers bloom on flower stalks in the summer through autumn. The soft green leaves grow on branches that can get leggy with age, otherwise this plant can sprawl to 6m tall and wide.

Cane cactus

Austrocylindropuntia cylindrica

Cane cactus is a branched shrub with small scarlet flowers, green pad-like stem covered with white spines. It has green-yellow fruits containing many seeds covered with a hard coat.It is a potential wwed of grasslands, shrublands and open woodlands, particularly insemi-arid regions.

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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