Shen, J.-H., Hu, G.-W., & Gao, T.-G. (2020).

Calyptocarpus (Asteraceae: Heliantheae: Ecliptinae), a newly naturalized genus in Tropical East Africa

. Phytotaxa, 441(1), 69–77. https://doi.org/10.11646/phytotaxa.441.1.6