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Wiya, C. and Chaowasku, T. 2021.

Disintegration of Polyalthia debilis (Annonaceae): P. cambodica comb. nov., P. canaensis comb. et stat. nov., and P. suthepensis nom. nov. for Unona dubia

. Phytotaxa. 487, 3 (Feb. 2021), 273–282. DOI:https://doi.org/10.11646/phytotaxa.487.3.7.