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Arriola, A., Camacho, P., Calaramo, M. and Alejandro, G. 2015. <i>Pyrostria triflora</i>, a new species of Vanguerieae (Rubiaceae) from Luzon, Philippines. Bangladesh Journal of Plant Taxonomy. 22, 1 (Jun. 2015), 55–58. DOI:https://doi.org/10.3329/bjpt.v22i1.23868.