Kongxaisavath, D., Tagane, S., Souvannakhoummane, K., Phengmala, K., Sengthong, A., Dang, V.-S., Nguyen, Q.B., Yamamoto, T., Tanaka, N., Takahashi, K.T. & Souladeth, P. (2025) Orophea phouphamarnensis (Annonaceae), a new species from limestone karst in central Laos. Phytotaxa 687 (1): 15–20. https://doi.org/10.11646/phytotaxa.687.1.3