Verbatim text: Norlindh, T. 1943. Studies in the Calenduleae 1. Monograph of the Genera Dimorphotheca, Castalis, Osteospermum, Gibbaria, and Chrysanthemoides. Lund.
Author: Norlindh, T.
Year: 1943
Title: Studies in the Calenduleae 1. Monograph of the Genera Dimorphotheca, Castalis, Osteospermum, Gibbaria, and Chrysanthemoides