Theron, N Esler, KJ Dreyer, L Jansen van Vuuren, B Rambau, V
(Elsevier, 2007-04)
Morphological and genetic comparisons of a potentially invasive weed (Argemone ochroleuca) from its natural (Mexico) and invaded (South Africa) habitats are presented. Seeds from 14 Mexican and 13 South African populations ...