Swanepoel, W., Cauwer, V.D. & Wyk, A.E.V. (2021)

A new species of Osteospermum subgen. Tripteris (Asteraceae: Calenduleae) from the Namib Desert, Namibia

. Phytotaxa 487 (3): 185–194. https://doi.org/10.11646/phytotaxa.487.3.1