Chen, J.; Nguyen, van C.; Nguyen, van K.; Nguyen, K. S.; Nuraliev, M. S.; Xia, N.

Taxonomic Studies on Parahellenia (Costaceae) in Vietnam: a New Species, P. trongduyii, and a New Combination, P. candida

. Phytotaxa 2023, 583, 72–80.