Luu, H. T., Duong, Q. H., Le, K. Q., & Lin, C.-W. (2022).

Begonia yentuensis and B. khaucaensis (Begoniaceae), two new species from northern Vietnam

. Phytotaxa, 560(2), 222–232. https://doi.org/10.11646/phytotaxa.560.2.5