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perennial rye-grass (Lolium perenne L.) | |||
English rye-grass (Lolium perenne Lin., Lolium perenne) | |||
English ryegrass (Lolium perenne L.); beardless ryegrass (Lolium perenne L.); common ryegrass (Lolium perenne L.); perennial blue tagged (Lolium perenne L.); perennial ryegrass (Lolium perenne L.); red darnel (Lolium perenne L.) |