In 2013, UNESCO declared the university a World Heritage Site, noting its architecture, unique culture and traditions, and historical role, including the botanical garden.

He developed relations with similar gardens, promoting exchanges of seeds and plants, reinforcing the offer in the publication of Index Seminum, which, at the time, was considered one of the six best in the world, given its variety and scientific rigor.

He made more space available to the public, planted a large number of trees, properly identified and labeled with plaques, with their respective scientific and common names, as well as the geographic distribution of the species.

On the other terraces are: a) The Order Beds, where plants, taxonomically grouped, are cultivated for the use of botany students and for exchange with similar institutions all over the world (Index Seminum et Sporarum).

Botany classes were first held at the natural history museum; they were later transferred, by Avelar Brotero's initiative, to a house built in the garden for that purpose but later demolished.