B.  Verdcourt, ?The status of the genus Polyalthia Blume (Annonaceae) in Africa?, Adansonia, n.s.Adansonia, n.s., vol. 9, pp. 87-94, 1969.

B.  Verdcourt, ?The genus Uvariodendron (Engl. & Diels) R.E. Fries in East Africa?, Kew BulletinKew Bulletin, vol. 23, pp. 511-521, 1969.

A. H.  Liogier, Flora de Cuba, suplemento. Caracas: Editorial Sucre, 1969.

A.  Le Thomas, ?Mise au point sur deux Annona africains?, Adansonia, n.s.Adansonia, n.s., vol. 9, pp. 95-103, 1969.

A.  Le Thomas, ?Annonaceae?, in Flore du Gabon 16, A.  Aubréville, Ed. Paris: Muséum National d'Histoire Naturelle, 1969, pp. 1-371.

A.  Le Thomas, ?A propos d'un Artabotrys méconnu du Cameroun?, Adansonia, n.s.Adansonia, n.s., vol. 9, pp. 439-442, 1969.

D.  Das, ?Two new species of Annonaceae from Eastern India?, Bulletin of the Botanical Survey of IndiaBulletin of the Botanical Survey of India, vol. 10, pp. 263-266, 1969.

A. W.  Exell, ?Isopleths and Isotypes?, Taxon, vol. 18, pp. 284-285, 1969.

A.  Le Thomas, ?Annonacées?, in Flore du Gabon, vol. 16, A.  Aubréville, Ed. Paris: Muséum National d'Histoire Naturelle, 1969, pp. 1-371.