Sinopsis de las gramíneas de Oaxaca, México

As a contribution to the knowledge of the flora of the state of Oaxaca, Mexico, a revision of the grasses was undertaken. Herbarium specimens from the main herbaria in Mexico were examined, as well as those recently collected in the region. A data base was created in order to compile and organize the available information. The results obtained show a total of 141 genera and 528 of native, introduced and cultivated species of grasses. These numbers approximately represent 68.60% of the grass genera and the 46.76% of the grass species that are present in Mexico. At the subfamily level the distribution of taxa is