Grasses and weeds

Abstract

Aristida spp. Three-awned grass, Steekgras. DISTRIBUTION: Usually to be found in disturbed, eroded soil or on hard bare gravelly soils.Bromus diandrus, Ripgut brome, Predikantsluis, Langnaaldbromus. DISTRIBUTION: Usually to be found on disturbed, damp soil.Heteropogon spp, Spear grass, Assegaaigras. DISTRIBUTION: Usually grows on gravelly, well-drained soil – on the slopes of hills or on the sides of roads.Opuntia spp, Prickly pear, Turksvy DISTRIBUTION: Originally from central Mexico, it is now to be found mostly in the drier regions of the country, along the coast, etc. Also cultivated as garden subjects and for drought feeding.Stipagrostis spp, Bushman grass, Boesmangras. DISTRIBUTION: Usually to be found in shallow, sandy soil.Tagetes minuta, Khaki weed, Kakiebos. DISTRIBUTION: Invader species in disturbed soil.Xanthium spp. Cackle bur, Boetebossie DISTRIBUTION: Usually to be found in disturbed soil, Xanthium spinosum was the first exotic species to be officially declared an invasive weed. (1860).

SYSTEMS AFFECTED: Skin and appendages.