. "Aristida purpurea Nutt." . "Aristida purpurea" . . "http://lod.geospecies.org/ses/6s8JN" . "Magnoliophyta" . "2010-07-15T12:42:09-0500" . "41429" . . "Poaceae" . . . . . . . . "Nutt." . "Graminoid" . "Liliopsida" . . . . . . "65970" . . . . . . . . . "Purple Threeawn" . . . "Plantae" . . . . . "Poales" . . . . . . "Aristida purpurea Nutt." . . "Aristida" . . . "purpurea" . "Aristida purpurea Nutt." .