[1]
Idrees, M., Li, M. and Zhang, Z. 2023.

Transfer of six species of Spiradiclis Blume to Ophiorrhiza L. (Rubiaceae)

. Phytotaxa. 579, 3 (Jan. 2023), 225–227. DOI:https://doi.org/10.11646/phytotaxa.579.3.8.