Template:Pirie et al., 2017
- Pirie, M.D., Oliver, E.G.H., Gehrke, B., Heringer, L., Mugrabi de Kuppler, A., Le Maitre, N.C. & Bellstedt, D.U. 2017. Underestimated regional species diversity in the Cape Floristic Region revealed by phylogenetic analysis of the Erica abietina/E. viscaria clade (Ericaceae). Botanical Journal of the Linnean Society 184(2): 185–203. DOI: 10.1093/botlinnean/box021