Sodusta, P.J.A. and Cootes, J. 2024. Validation of Thrixspermum ravanii (Aeridinae, Orchidaceae), a new species from the Philippines. Phytotaxa. 661, 2 (Jul. 2024), 211–212. DOI:https://doi.org/10.11646/phytotaxa.661.2.9.