71730 12 409215 Escobaria dasyacantha (Engelm.) Britton & Rose [-1-1] [409215--1-638848] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 12 () [P. Roetter]
 
7166012 409267 Escobaria tuberculosa (Engelm.) Britton & Rose [12 409267 Escobaria tuberculosa (Engelm.) Britton & Rose] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 12 () [P. Roetter]
 
11826212 409267 Escobaria tuberculosa (Engelm.) Britton & Rose [12 409267 Escobaria tuberculosa (Engelm.) Britton & Rose] C.F. Förster, T. Rümpler, Handb. Cacteenk., ed. 2, vol. 1 : p. 417, t. 46 (1886)