FISCHER, E.; KILLMANN, D.; ACKERMANN, M.; YESHITELA, K. Pilularia ethiopica (Pteridophyta, Marsileaceae), a new species of pillwort from the tropical African mountains of Ethiopia. Phytotaxa, Auckland, New Zealand, v. 612, n. 1, p. 77–86, 2023. DOI: 10.11646/phytotaxa.612.1.6. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.612.1.6. Acesso em: 6 dec. 2025.