[1]
Hareesh, V.S., Preethamol, S.N., Sabu, M. and Thoppil, J.E. 2020.

Revisiting the taxonomy of Ophiorrhiza codyensis and lectotypification of O. pykarensis (Rubiaceae), two endemic taxa of the Western Ghats

. Phytotaxa. 452, 2 (Jul. 2020), 173–179. DOI:https://doi.org/10.11646/phytotaxa.452.2.6.