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Dactylis is a genus of Eurasian and North African plants in the bluegrass subfamily within the grass family. They are known in English as cock's-foot or cocksfoot grasses, also sometimes as orchard grasses.

The genus has been treated as containing only a single species Dactylis glomerata by many authors, treating variation in the genus at only subspecific rank within D. glomerata, but more recently, there has been a trend to accept two species, while some authors accept even more species in the ...