Botha, C.J. (Christoffel Jacobus); Venter, Elna; University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology
(2002)
DISTRIBUTION:
Possibly originating in tropical America, it is now widely distributed in South Africa, especially in disturbed soil, like seasonal river courses, cultivated lands and along roadsides.