SantamarĂ­a-Aguilar, D., Liesner, R. L., & Monro, A. K. (2019).

Two new species of Tetrathylacium (Salicaceae) from Ecuador

. Phytotaxa, 423(3), 145–157. https://doi.org/10.11646/phytotaxa.423.3.3