71724 62 390609 Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [-1] [390609--1-639335] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 2 () [P. Roetter]
71649 12 390609 Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [-1-1] [390609--1-639334] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 1 () [P. Roetter]
71650 12 390609 Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [-1-1] [390609--1-639334] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 2 () [P. Roetter]