ceratocystis fimbriata ell. & halst. is described for the first time in 1984 on cassia renigera, in campinas, state of s？o paulo, brazil. in cross inoculation, the isolates of c. fimbriata obtained from cassia renigera and from mangifera indica showed pathogenicity to the following plants: acacia decurrens, theobroma cacao, crotalaria juncea, cajanus cajan, ficus carica, gmelina arborea, mangifera indica, hevea brasiliensis, cassia sp., c. carnaval, c. ferruginea, c. grandis, c. moschata, c. multijuga, c. nodosa, c. renigera, c. siamea and c. speciosa. the isolates of c. fimbriata were pathogenic to all tested plants, except for theobroma cacao, gmelina arborea and c. grandis.