1. Catalogo sistematico dos polens das plantas arboreas do Brasil meridional, 3. Theaceae, Marcgraviaceae, Ochnaceae, Guttiferae e Quiinaceae;Barth;Mem. Inst. Oswaldo Cruz,1963
2. Comparative morphological studies in Dilleniaceae, 2. The pollen;Dickison;J. Arnold Arboretum (Harvard Univ.),1967
3. Pollen Morphology and Plant Taxonomy—An Introduction to Palynology, 1. Angiosperms;Erdtman,1952
4. Pollenmorphologische Definitionen und Typen;Iversen;Danmarks Geol. Undersøgelse, IV,1950
5. A revision of the Ochnaceae of the Indo-Pacific area;Kanis;Blumea,1968