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]
 
7172462 390609 Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [-1] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 2 () [P. Roetter]
 
7165012 390609 Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [-1-1] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 2 () [P. Roetter]
 
716695 432076 Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth [181 369270 Echinocactus longihamatus Galeotti ex Pfeiff.] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 21 () [P. Roetter]
71670 5 432076 Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth [181 369270 Echinocactus longihamatus Galeotti ex Pfeiff.] [432076-369270-369270] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 22 () [P. Roetter]
 
716715 432076 Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth [181 369270 Echinocactus longihamatus Galeotti ex Pfeiff.] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 23 () [P. Roetter]
71672 5 432076 Ferocactus haematacanthus (Monv. ex Salm-Dyck) Bravo ex Backeb. & F.M.Knuth [181 369270 Echinocactus longihamatus Galeotti ex Pfeiff.] [432076-369270-369270] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 24 () [P. Roetter]
71677 6 432156 Ferocactus viridescens (Nutt. ex Torrey & A. Gray) Britton & Rose [80 369724 Echinocactus viridescens Nutt.] [432156-369724-369724] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 29 () [P. Roetter]
71682 16 370970 Echinomastus intertextus (Engelm.) Britton & Rose [-1] [370970--1-369205] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 34 () [P. Roetter]
 
717056 369922 Echinocereus engelmannii (Parry ex Engelm.) Lemaire [125 225860 Cereus engelmannii Parry ex Engelm.] Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 57 () [P. Roetter]