| Cactaceae | |
Echinomastus acunensis
| W.T. Marshall | Saguaroland Bull. 7: 33 | 1953 |
| Cactaceae | |
Echinomastus centralis
| (J.M. Coult.) Y. Itô | Cacti 1952: 102 | 1952 |
| Cactaceae | |
Echinomastus dasyacanthus
| (Engelm.) Britton & Rose | Cactaceae 3: 150 | 1922 |
| Cactaceae | |
Echinomastus durangensis
| (Ruenge) Britton & Rose | Cactaceae 3: 152 | 1922 |
| Cactaceae | |
Echinomastus erectocentrus
| (J.M. Coult.) Britton & Rose | Cactaceae 3: 148 | 1922 |
| Cactaceae | |
Echinomastus gautii
| (L.D. Benson) Mosco & Zanov. | | 1997 |
| Cactaceae | |
Echinomastus intertextus
| (Engelm.) Britton & Rose | Cactaceae 3: 149 | 1922 |
| Cactaceae | |
Echinomastus johnsonii
| (Parry ex Engelm.) E.M. Baxter | Calif. Cact. 75 | 1935 |
| Cactaceae | |
Echinomastus johnstonii
| E.M. Baxter | Calif. Cactus 75 | 1935 |
| Cactaceae | |
Echinomastus krausei
| (Hildm. ex Schumann, Walther) Borg | | 1937 |
| Cactaceae | |
Echinomastus laui
| G. Frank & Zecher | Cact. Succ. J. (Los Angeles) 50(4): 188 | 1978 |
| Cactaceae | |
Echinomastus macdowellii
| (Rebut ex Quehl) Britton & Rose | Cactaceae 3: 151 | 1922 |
| Cactaceae | |
Echinomastus mapimiensis
| Backeb. | | 1953 |
| Cactaceae | |
Echinomastus mariposensis
| Hester | Desert Pl. Life 17(4): 59–60, f. s.n. (p. 60) | 1945 |
| Cactaceae | |
Echinomastus uncinatus
| (Galeotti ex Pfeiff.) F.M. Knuth | Kaktus-ABC 358 | 1935 |
| Cactaceae | |
Echinomastus unguispinus
| (Engelm.) Britton & Rose | Cactaceae 3: 150 | 1922 |
| Cactaceae | |
Echinomastus urguispinus
| (Engelm.) Britton & Rose | Cact. 3: 150 | 1922 |
| Cactaceae | |
Echinomastus warnockii
| (L.D. Benson) Glass & R. Foster | Cact. Succ. J. (Los Angeles) 47(5): 222 | 1975 |