Template:Turner & Kumar, 2018
- Turner, I.M. & Kumar, V.S. 2018. Flora of Singapore precursors, 4. A summary of scandent Psychotria (Rubiaceae) in Singapore and Peninsular Malaysia. Phytotaxa 361(2): 183–197. DOI: 10.11646/phytotaxa.361.2.4
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