Template:Groeninckx et al., 2017
- Groeninckx, I., Janssens, S., Smets, E. & Verstraete, B. 2017. Description of 11 new Astiella (Spermacoceae, Rubiaceae) species endemic to Madagascar. European Journal of Taxonomy 312: 1–40. DOI: 10.5852/ejt.2017.312