Template:Verdcourt, 1952

• Verdcourt, B. 1952. A revision of certain African genera of herbaceous Rubiaceae I. — The genus Pentanisia Harvey. Bulletin du Jardin botanique de l’État à Bruxelles 22(3–4): 233–286. DOI: 10.2307/3666760  
  • [Date of publication: December 1952.]
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