| Cactaceae |
!
|
Opuntia engelmannii
| Salm-Dyck ex Engelm. | Boston J. Nat. Hist. 6(2): 207-208 | 1850 |
| Cactaceae |
*
|
Opuntia engelmannii
| Salm-Dyck | Cact. Hort. Dyck. [ed. 1849] 67, 235 | 1849 [1850] |
| Cactaceae |
|
Opuntia engelmannii subsp. aciculata
| (Griffiths) U. Guzmán & Mandujano | Cat. Cactaceas Mex. | 2003 |
| Cactaceae |
|
Opuntia engelmannii var. aciculata
| (Griffiths) Weniger | Cacti S. W. 178 | 1969 |
| Cactaceae |
!
|
Opuntia engelmannii var. aciculata
| (Griffiths) Bravo | Cact. Suc. Mex. 19: 47 | 1974 |
| Cactaceae |
|
Opuntia engelmannii var. alta
| (Griffiths) Weniger | Cacti S. W. 175 | 1970 |
| Cactaceae |
|
Opuntia engelmannii var. cacanapa
| (Griffiths & Hare) Weniger | Cacti S. W. 177 | 1970 |
| Cactaceae |
|
Opuntia engelmannii var. cuija
| Griffiths & Hare | New Mexico Agric. Exp. Sta. Bull. 60: 44, t. 2 | 1906 |
| Cactaceae |
|
Opuntia engelmannii var. cyclodes
| Engelm. & J.M. Bigelow | Proc. Amer. Acad. Arts 3: 291 | 1856 |
| Cactaceae |
|
Opuntia engelmannii var. discata
| (Griffiths) A. Nelson | Trans. Acad. Sci. 12: 124 | 1919 |
| Cactaceae |
|
Opuntia engelmannii var. dulcis
| (Engelm.) J.M. Coult. ex K. Schum. | Gesamtbeschr. Kakt. 725 | 1898 |
| Cactaceae |
|
Opuntia engelmannii subsp. engelmannii
| | | 1850 |
| Cactaceae |
|
Opuntia engelmannii var. engelmannii
| | | |
| Cactaceae |
|
Opuntia engelmannii var. flavescens
| (Peebles) L.D. Benson | Cacti Ariz. 58 | 1950 |
| Cactaceae |
|
Opuntia engelmannii var. flavispina
| (L.D. Benson) B.D. Parfitt & Pinkava | Madroño 35(4): 348 | 1988 [1989] |
| Cactaceae |
|
Opuntia engelmannii var. flexospina
| (Griffiths) B.D. Parfitt & Pinkava | Madroño 35(4): 348 | 1988 [1989] |
| Cactaceae |
|
Opuntia engelmannii subsp. lindheimeri
| (Engelm.) U. Guzmán & Mandujano | Cat. Cactaceas Mex. | 2003 |
| Cactaceae |
|
Opuntia engelmannii var. lindheimeri
| (Engelm.) B.D. Parfitt & Pinkava | Madroño 35(4): 346-347 | 1988 [1989] |
| Cactaceae |
|
Opuntia engelmannii var. linguiformis
| (Griffiths) B.D. Parfitt & Pinkava | Madroño 35(4): 347 | 1988 [1989] |
| Cactaceae |
|
Opuntia engelmannii var. littoralis
| Engelm. | Bot. California 1: 248 | 1876 |
| Cactaceae |
|
Opuntia engelmannii var. megacarpa
| (Griffiths) Fosberg | Bull. S. Calif. Acad. Sci. 33(2): 100 | 1934 |
| Cactaceae |
|
Opuntia engelmannii var. rastrera
| (F.A.C. Weber) Pinkava | J. Arizona-Nevada Acad. Sci. 36(1): 20 | 2003 |
| Cactaceae |
|
Opuntia engelmannii var. subarmata
| (Griffiths) Weniger | Cacti S. W. 180 | 1970 |
| Cactaceae |
|
Opuntia engelmannii var. texana
| (Griffiths) Weniger | Cacti S. W. 174 | 1970 |
| Cactaceae |
|
Opuntia engelmannii var. wootonii
| (Griffiths) Fosberg | Bull. S. Calif. Acad. Sci. 30: 71 | 1931 |