Zhou, Y.-D., Mwangi, B. N., Musili, P. M., Hu, G.-W., & Wang, Q.-F. (2020).

Phyllopentas schimperi comb. nov. (Rubiaceae), a replacement name for the illegitimate combination Phyllopentas schimperiana

. Phytotaxa, 435(3), 251–254. https://doi.org/10.11646/phytotaxa.435.3.6