Template:Kolterman, Breckon & Kowal, 1984
- Kolterman, D.A., Breckon, G.J., & Kowal, R.R. 1984. Chemotaxonomic studies in Cnidoscolus (Euphorbiaceae). II. Flavonoids of C. aconitifolius, C. souzae, and C. spinosus. Systematic Botany 9(1): 22–32. jstor