Winter, P.J., Tilney, P.M. & Wyk, B.-E.V. (2017)

Clarification of the concept of Aframmi (Heteromorpheae, Apiaceae) and a new monotypic genus, Normantha

. Phytotaxa 298 (1): 71–76. https://doi.org/10.11646/phytotaxa.298.1.7