The diagnosis of places of varietal diversity of rice in Guinea was made from survey data from several farms in 41 villages themselves distributed in the 2 natural regions of Lower Guinea and Forest Guinea. The descriptors used are the number of known varieties and varieties cultivated at different scales, as well as their utilization rate. The latter makes it possible to classify the Sativa and Glaberrima varieties at the village level and to identify improved and local varieties of notoriety. | Prospecting collection and ethnobotanical studies of traditional rice varieties in Guinea