Ordas, J.A.D., Zamudio, S.G.S. & Docot, R.V.A. (2023)

A rare Philippine plant found again after almost a century: the rediscovery and lectotypification of Acranthera philippinensis (Rubiaceae)

. Phytotaxa 578 (1): 136–140. https://doi.org/10.11646/phytotaxa.578.1.8