University of Guyana Library Search for 'pb:International Association for Plant Taxonomy , '

Pakaraimoideae, dipterocarpaceae of the western hemisphere /

[ Netherlands : International Association for Plant Taxonomy , 1977 . p. 341-386 :

Utrecht, International Association for Plant Taxonomy, 1966 . 402p.

Utrecht, International Bureau for Plant Taxonomy and Nomenclature of the International Association for Plant Taxonomy, 1968 . 31p.