by Jan Thomas Johansson
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Revision of the genus Prismatomeris Thw....
The genus Morinda (Morindeae, Rubioideae...
Motleyia, a new genus of the Rubiaceae f...
Taxonomic and morphological studies in t...
Dissertatio medica inauguralis De ipecac...
Transfer of the Papuan Gouldia to the ge...
Two new species of Psychotria from the S...
A revision of Psychotria (Rubiaceae) in ...
Révision du genre Psychotria (Rubiaceae)...
Taxonomic revision of the genus Psychotr...