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Megalachne is a genus of Chilean plants in the grass family, found only on the Juan Fernández Islands in the Pacific Ocean, part of the Republic of Chile. It contains a single species, Megalachne berteroniana.
A genetic analysis found it to be most closely related to the extinct Podophorus, also endemic to the Juan Fernández archipelago. This clade was in turn found to be nested within a paraphyletic Festuca, most closely related to F. pampeana of South America.
Text excerpted from the Wikipedia article Megalachne by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
