Zambrano Romero, B.J. and Solano, R. 2021. Acianthera bilobulata (Orchidaceae: Pleurothallidinae), a new species from Southwestern Ecuador. Phytotaxa. 490, 2 (Mar. 2021), 159–171. DOI:https://doi.org/10.11646/phytotaxa.490.2.2.