Fischer, E., Killmann, D., Ackermann, M. & Yeshitela, K. (2023) Pilularia ethiopica (Pteridophyta, Marsileaceae), a new species of pillwort from the tropical African mountains of Ethiopia. Phytotaxa 612 (1): 77–86. https://doi.org/10.11646/phytotaxa.612.1.6