Botha, 1938. Farming in South Africa, 13 (146): 138 Document reference Botha, J. P., 1938. The digestibility and nutritive value of Karroo pasture plants. 4. Rivier draaibos. Farming in South Africa, 13 (146): 138Web https://journals.co.za/content/farmsa/13/146/AJA00148490_3207Citation key Botha, 1938Datasheets Osteospermum (Osteospermum spinescens)
