Template:Bremekamp & Obermeyer, 1935
- Bremekamp, C.E.B. & Obermeyer, A.A. 1935. Scientific Results of the Vernay-Lang Kalahari Expedition, March to September 1930. Sertum Kalahariense, a List of the Plants Collected. Annals of the Transvaal Museum 16: 399–442.