Although the most common invasive and potential invasive alien species in Namibia have been listed in this booklet, they are not necessarily limited to the abovementioned. Other non-native species that could potentially pose a threat include: Eucalyptus spp. (australian wattle/bloekom); Euphorbia tirucalli (rubber euphorbia); Jatropha curcas (physic nut); Moringa oleifera (Moringa); Parkensonia aculeata (Jerusalem thorn/kraal naboom); Psidium guajava (guava); Alternanthera pungens (khaki weed).