Creeping inch plant is an herbaceous species that has been widely cultivated as an ornamental plant in gardens. It has creeping stems that are much branched and produce roots at their joints. Leaves are densely clustered along the stems.
Crimson cestrum invades disturbed rainforest margins, moist and wet sclerophyll forests, urban bush land and creek banks. In these situations in takes over and displacesindigenous shrubs and smalltreesand restricts thehabitatof native wildlife.
Perennial or shrub up to 2m high with hairy stems. Dark green, non-aromatic leaves 30-60mm wide. White flowers in terminal clusters from August to December. This plant is poisonous.
Cypress aphid is a blackish-brown, sap-sucking insect that infests the stems of some hedging conifers. It is on the list of the world's 100 most invasive species. It is reported to cause significant damage and to have been recently introduced to parts of Europe, Africa, South America and the Middle East. It is commonly seen in colonies along the twigs of infested trees.
Dalmatian toadflax is a grassland invader indigenous to the Mediterranean region. It looks like a large, yellow snapdragon and has fast-growing, strong, horizontal roots. It can withstand cold, although most of the upper stems die back in winter and new stems emerge in spring. It is a problem on farms and grasslands in the interior of South Africa.