Occurrence of Setaria magna Griseb. and S. hassleri Hack. (Gramineae) in the south of Brazil

The occurrence of Setaria hassleri Hack. in the west, and S. magna Griseb. in the sea-shore of the State of Rio Grande do Sul, was verified. The last species is a new citation for Brazil. Descriptions of these two species with geographic distribution and illustrations are provided. Analytical key for ali species of Setaria Beauv. is included.

Setaria; Gramineae; Systematics

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