Pupulin, F., M. Díaz-Morales, M. Fernández, and J. Aguilar. “Two New Species of <i>Pleurothallis</i> (Orchidaceae: Pleurothallidinae) from Costa Rica in the <i>P. phyllocardia</i> Group”. Lankesteriana: International Journal on Orchidology, vol. 17, no. 2, July 2017, doi:10.15517/lank.v17i2.29850.