brazil prossesses the richest flora on the world, counting with around 60.000 known species. though having diverse biogeographic regions [the "amazon cerrado" and the "pantanal"], differenteated both by structure as well as by species, mato grosso state participantes participates significantly. the working process herein used aimed at checking the vulnerability of species and ecosystems based on the model recomended by the iica (interamerican institute for cooperation in agriculture) and system of category classification according to the international union for the conservation of nature and natural resources [iucn]. selected species were sorted by section: wood source, medicinal, fruitbearing, ornamental and palm 37 species of the mato grosso flora are presented, placed in the categories: vulnerable [v], endangered [e] and rare [r]. extraction from the species converges towards the objective of a conservacionist importance.