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A provisional checklist of neotropical Rubiaceae - Robbrecht, Elmar (1992)

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Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1963)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1968)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1969)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1971)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1972)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1976)

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Agricultural bulletin of the Straits and Federated Malay States. New series (Gov. Print. Off, 1910)

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L'Agriculture pratique des pays chauds - France. Ministère des colonies. (Augustin Challamel, 1905)

L'Agriculture pratique des pays chauds - France. Ministère des colonies. (Augustin Challamel, 1906)