The present work was carried through in the urban and rural area of the city of Santa Teresa, located in the Santa Teresa County, State of Espirito Santo, Brazil, with the objective to identify the medicinal vegetal species used by healers and other informants. A qualitative survey, by means of informal conversation and of the participant observation method was developed together the 14 local inhabitants, chosen of random form or by the "snow ball" method. Five of these inhabitants were considered as keycollaborators for being usuary of medicinal plants, to which structured and semi-structured interviews had been lead. The collected botanical material was deposited in the Herbarium of the Botanical Department of the National Museum (R), Brazil. The use of 62 ethnospecies was registered, being all Angiosperms and, in its majority, herbs. For the cure of diseases the healers make prayers and indicate vegetal species, whose more common form of preparation was the decoction and the more used part of the plant had been the leves.