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New record for Eriochrysis (Poaceae: Andropogoneae) in the State of Rio Grande do Sul, Brazil, and a key to the species of Eriochrysis in Brazil

. Phytotaxa. 71, 1 (Nov. 2012), 1–4. DOI:https://doi.org/10.11646/phytotaxa.71.1.1.