Accepted By:
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Jansen, S., E. Robbrecht, H. Beeckman & E. Smets. 2002. A survey of the systematic wood anatomy of the Rubiaceae. IAWA J. 23(1): 1–67.
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Puff, C., E. Robbrecht & V. Randrianasolo. 1984. Observations on the SE African-Madagascan genus Alberta and its ally Nematostylis (Rubiaceae, Alberteae), with a survey of the species and a discussion of the taxonomic position. Bull. Jard. Bot. Natl. Belg. 54: 293–366.
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Puff, C., E. Robbrecht & V. Randrianasolo. 1984. Rubiaceae - Alberta, Nematostylis. Distrib. Pl. African. 27: 907–914.
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Schatz, G. E., S. Andriambololonera, P. P. Lowry II, P. B. Phillipson, M. Rabarimanarivo, J. I. Raharilala, F. A. Rajaonary, N. Rakotonirina, R. H. Ramananjanahary, B. Ramandimbisoa, A. Randrianasolo, N. Ravololomanana, C. M. Taylor & J. C. Brinda. 2024. Catalogue of the Plants of Madagascar.
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