In 1957, he presented a lecture entitled "Botanical Studies of the Islands of São Tomé and Príncipe.
He is the author of books on flora[3] in the regions of São Tomé and Príncipe, Trás-os-Montes and Alto Douro in Portugal.
He organized, together with Américo Pires de Lima [pt], the publication of the first edition in 1949 of "Iconografia Selecta da Flora Portuguesa", a reference treaty written by his professor Gonçalo Sampaio (1865-1937) and illustrated by Sara Cabral Ferreira.
[5] The biological collection is well furbished with documentation such as correspondence, photographs, manuscripts, notebooks, inventories and definitive publications.
He also contributed to the Herbarium of University of Coimbra and the National Museum of Natural History and Science, Lisbon.