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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

Blue passion flower

Passiflora caerulea

A glabrous, perennial, tendril climber with cylindrical or slightly angular stems, growing to 5m or higher. The leaves are usually deeply five- to seven-lobed and with sickle-shaped stipules. The flowers are about 10cm diameter with 5 sepals and petals that are similar in appearance. Produces yellow or orange, ovoid berries which are reddish inside. This plant invades forest margins, bush clumps, roadsides and river banks.

Blue-leaf cactus

Opuntia robusta

Blue-leaf cactus is an upright and succulent shrub growing 1-4 m tall with much-branched stems consisting of a series of flattened fleshy segments. It most commonly infests pastures, granite outcrops and open woodlands. 

Bluebell creeper

Billardiera heterophylla

A perennial evergreen climber that twines around other trees and structures. It grows 2-3m high. It has dark green glossy hairless leaves. The flowers are bright blue with five spreading petals.

Boxing glove cactus

Cylindropuntia fulgida

Distinguished by presence of distorted segments; corrugated surface of segments; presence of small bristles (glochids) in clusters in depressions (areoles) on segments, these glochids readily attach to skin and are difficult to remove, areoles also have white to brownish spines, thorns are at the base of areoles and glochids at the tops; absence of flowers and therefore fruit.


Rubus flagellaris

Bramble is a perennial subshrub species with long, low-growing stems and thorns about 1.5mm long. It can exist as a woody vine or low-growing shrub. It grows in a host of habitats, ranging from dry savannah to deciduous forests. It also produces a dark purple drupe that, when fully ripened, has a tart-sweet flavour.

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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