Aiton, W. 1789: Catalogue of the plants. -Hort. Kew. 1: 292
Backlund, M. & Thulin, M. 2007: Revision of the Mediterranean species of Plocama (Rubiaceae). -Taxon 56 (2): 516-520.
Backlund, M., Bremer, B. & Thulin, M. 2007: Paraphyly of Paederieae, recognition of Putorieae and expansion of Plocama (Rubiaceae-Rubioideae). -Taxon 56 (2): 315-328.
Ehrendorfer, F. & Schönbeck-Temesy, E. 2005: Genera Gaillonia, Jaubertia, Pterogaillonia, Pseudogaillonia, Aitchinsonia. In. Flora Iranica. Vol. 176: 21-47.
Khassanov, F. O. & Pratov, U. 2009: Red Data Book of Uzbekistan, 4th ed.: 253-254. -Chinor ENK-Tashkent.
Khassanov, F. O., Khamraeva, D.T., Khuzhanazarov, U. & Achilova, N. 2014: A new species from genus Plocama L. (Rubiaceae Juss.) from Middle Asia. -Stapfia 101: 23-26.
Linczewsky, I.A. 1973: De genere Gaillonia A. Rich. ex DC. (Rubiaceae). -Novosti Sist. Vyssh. Rast. 10: 224-236. -Science Publishers, Leningrad.
Pachomova, M. G. 1987: Genus Neogaillonia Lincz. In. Conspectus Florae Asiae Mediae. Vol. 9: 282-284. -Tashkent.
Takhtajan, A. 1986: Floristic regions of the World. 522 pp. -Berkeley, Los Angeles, London.
Tscherneva, O.V. 1961: Genus Gaillonia A.Rich. In. Flora of Uzbekistan. Vol. 5: 530-532. -Tashkent
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