Du Toit, 2000. J. Range Manage., 53 (5): 529-536 Document reference Du Toit, P. C. V., 2000. Estimating grazing index values for plants from arid regions. J. Range Manage., 53 (5): 529-536 Web https://www.jstor.org/stable/4003654Citation key Du Toit, 2000Datasheets Osteospermum (Osteospermum spinescens)
