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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

Bent grass

Agrotis castellena Bois

Bent grass is grey-green, rather fine-leaved perennials, forming tufts 30–90 cm, with long slender rhizomes; branching intravaginal. Leaf-sheath glabrous, brownish green or purplish. Ligule 0.7–2 mm, or up to 3 mm in culm leaves, taller than wide, somewhat tapered or rounded, minutely ciliate. 

Bird of paradise flower

Caesalpinia gilliesii

Bird of paradise flower is a deciduous shrub that grows up to 5m tall depending on rainfall. Branchlets and inflorescence covered with velvety hairs and densely covered with blackish or brownish glands. It flowers in summer. 

Birdeye pearlwort

Sagina procumbens

Birdeye Pearlwort is a perennial mat-forming plant with narrow leaves and tiny white flowers. It can become a troublesome weed when allowed to spread and establish in turf. This weed can populate most soil conditions very quickly by seed. Pearlwort is a good indicator of moist/wet conditions and is often mistaken for moss in lawns. Swards that are maintained at low mowing heights below 6mm (golf and bowling greens) are susceptible to invasion from this weed.

Black cherry

Prunus serotina

Black cherryis a deciduous tree, growing up to 15-30 metres tall, with a trunk diameter of up to 70-120cm.A mature black cherry can easily be identified in a forest by its very broken, dark grey to black bark, which has the appearance of very thick, burnt cornflakes.

Black ironbark

Eucalyptus sideroxylon

The black ironbark, also known as the mugga or red ironbark, is a small to medium-sized, evergreen tree reaching 15-26m high. It has a moderately spreading crown and shallow roots that may outcompete adjacent plants. The bark is hard and deeply furrowed.

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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