Aristida purpurea var. robusta (Merrill) A.H. Holmgren & N.H. Holmgren

Aristida purpurea var. robusta (Merrill) A.H. Holmgren & N.H. Holmgren is a synonym sensu FNA Ed. Comm., 2003b of:

Aristida purpurea var. longiseta (Steudel) Vasey, an accepted variety name sensu FNA Ed. Comm., 2003b.