Bester, S.P. and Steyn, H.M. 2013. Nemesia arenifera (Scrophulariaceae), a new species from the Sandveld, Northern Cape Province, South Africa, and the  ectotypification of N. viscosa. Phytotaxa. 126, 1 (Aug. 2013), 49–54. DOI:https://doi.org/10.11646/phytotaxa.126.1.6.