Mila caespitosa Britton & Rose, Cactaceae 3: 211–212, pl. 22, f. 2. 1922 Mila caespitosa Britton & Rose, Cactaceae 3: 211–212, pl. 22, f. 2. 1922Taxon for this nameMila caespitosa Britton & Rose, Cactaceae 3: 211–212, pl. 22, f. 2. 1922