| Opuntia aciculata Griffiths |
Accepted |
22 |
| Opuntia arenaria Engelm. |
Accepted |
11 |
| Opuntia articulata (Pfeiff.) D. R. Hunt |
Accepted |
44 |
| Opuntia atrispina Griffiths |
Accepted |
11 |
| Opuntia aurantiaca Lindl. |
Accepted |
22 |
| Opuntia aurea E. M. Baxter |
Accepted |
33 |
| Opuntia aureispina (S. Brack & K. D. Heil) Pinkava & B. D. Parfitt |
Accepted |
11 |
| Opuntia azurea Rose |
Accepted |
33 |
| Opuntia basilaris Engelm. & J. M. Bigelow |
Accepted |
11 |
| Opuntia basilaris var. longiareolata (Clover & Jotter) L. D. Benson |
Accepted |
11 |
| Opuntia basilaris var. treleasei (J. M. Coult.) J. M. Coult. ex Toumey |
Accepted |
11 |
| Opuntia bravoana Baxter |
Accepted |
33 |
| Opuntia cantabrigiensis Lynch |
Accepted |
22 |
| Opuntia chaffeyi Britton & Rose |
Accepted |
22 |
| Opuntia chlorotica Engelm. & J. M. Bigelow |
Accepted |
11 |
| Opuntia cubensis Britton & Rose |
Accepted |
11 |
| Opuntia cylindrica (Lam.) DC. |
Accepted |
55 |
| Opuntia dillenii (K. Gawl.) Haw. |
Accepted |
22 |
| Opuntia durangensis Britton & Rose |
Accepted |
22 |
| Opuntia edwardsii V. E. Grant & K. A. Grant |
Accepted |
22 |
| Opuntia eichlamii Rose |
Accepted |
11 |
| Opuntia elata Link & Otto ex Salm-Dyck |
Accepted |
11 |
| Opuntia elatior Mill. |
Accepted |
22 |
| Opuntia ellisiana Griffiths |
Accepted |
11 |
| Opuntia engelmannii Salm-Dyck ex Engelm. |
Accepted |
33 |
| Opuntia engelmannii var. linguiformis (Griffiths) B. D. Parfitt & Pinkava |
Accepted |
33 |
| Opuntia erinacea Engelm. & J. M. Bigelow |
Accepted |
22 |
| Opuntia erinacea var. utahensis (Engelm.) L. D. Benson |
Accepted |
44 |
| Opuntia ficus-indica (L.) Mill. |
Accepted |
33 |
| Opuntia fragilis (Nutt.) Haw. |
Accepted |
33 |
| Opuntia galapageia Hemsl. |
Accepted |
33 |
| Opuntia gilvescens Griffiths |
Accepted |
33 |
| Opuntia hyptiacantha F. A. C. Weber |
Accepted |
44 |
| Opuntia inaequilateralis A. Berger |
Accepted |
33 |
| Opuntia kuehnrichiana Werderm. & Backeb. |
Accepted |
33 |
| Opuntia lagopus K. Schum. |
Accepted |
11 |
| Opuntia leucotricha DC. |
Accepted |
22 |
| Opuntia littoralis (Engelm.) Cockerell |
Accepted |
33 |
| Opuntia macrocentra Engelm. |
Accepted |
11 |
| Opuntia macrorhiza Engelm. |
Accepted |
22 |
| Opuntia martiniana (L. D. Benson) B. D. Parfitt |
Accepted |
22 |
| Opuntia maxima Mill. |
Accepted |
44 |
| Opuntia microdasys (Lehm.) Pfeiff. |
Accepted |
11 |
| Opuntia microdisca F. A. C. Weber |
Accepted |
22 |
| Opuntia monacantha (Willd.) Haw. |
Accepted |
16 |
| Opuntia noodtiae (Backeb. & H. Jacobsen) G. D. Rowley |
Accepted |
22 |
| Opuntia orbiculata Salm-Dyck ex Pfeiff. |
Accepted |
11 |
| Opuntia oricola Philbrick |
Accepted |
33 |
| Opuntia paraguayensis K. Schum. |
Accepted |
22 |
| Opuntia phaeacantha Engelm. |
Accepted |
33 |
| Opuntia pilifera F. A. C. Weber |
Accepted |
11 |
| Opuntia pinkavae B. D. Parfitt |
Accepted |
44 |
| Opuntia polyacantha Haw. |
Accepted |
11 |
| Opuntia polyacantha var. nicholii (L. D. Benson) B. D. Parfitt |
Accepted |
33 |
| Opuntia pycnantha Engelm. |
Accepted |
11 |
| Opuntia pyrrhacantha K. Schum. |
Accepted |
33 |
| Opuntia quimilo K. Schum. |
Accepted |
11 |
| Opuntia robusta J. C. Wendl. |
Accepted |
22 |
| Opuntia salmiana Parm. ex Pfeiff. |
Accepted |
22 |
| Opuntia spinosissima Mill. |
Accepted |
33 |
| Opuntia spinulifera Salm-Dyck |
Accepted |
33 |
| Opuntia stenopetala Engelm. |
Accepted |
11 |
| Opuntia streptacantha Lem. |
Accepted |
44 |
| Opuntia stricta (Haw.) Haw. |
Accepted |
11 |
| Opuntia strigil Engelm. |
Accepted |
11 |
| Opuntia tapona Engelm. ex J. M. Coult. |
Accepted |
11 |
| Opuntia tomentosa Salm-Dyck |
Accepted |
22 |
| Opuntia triacantha (Willd.) Sweet |
Accepted |
11 |
| Opuntia × cochinera Griffiths |
Accepted |
44 |
| Opuntia × columbiana G. (. S. ) |
Accepted |
33 |
| Opuntia × curvispina G. (. S. ) |
Accepted |
11 |
| Opuntia × occidentalis Engelm. & J. M. B. (. S. ) |
Accepted |
33 |
| Opuntia × spinosibacca M. S. A. (. S. ) |
Accepted |
22 |
| Opuntia × vaseyi (J. M. C. ). Britton & R. (. sp.) |
Accepted |
33 |
| Opuntia barkleyana (Daston) G. D. Rowley |
Unresolved |
11 |
| Opuntia borinquensis Britton & Rose |
Unresolved |
11 |
| Opuntia crinifera Salm-Dyck ex Pfeiff. |
Unresolved |
11 |
| Opuntia curvispina Griffiths |
Unresolved |
22 |
| Opuntia dimorpha C. F. Först. |
Unresolved |
None |
| Opuntia erectoclada Backeb. |
Unresolved |
22 |
| Opuntia gracilicylindrica (Wiegand & Backeb.) G. D. Rowley |
Unresolved |
11 |
| Opuntia opuntia H. Karst. |
Unresolved |
22 |
| Opuntia repens Bello |
Unresolved |
11 |
| Opuntia udonis Weing. |
Unresolved |
11 |
| Opuntia ula E. X. O. kelvinensis |
Unresolved |
55 |
| Opuntia weberi Speg. |
Unresolved |
11 |
| Opuntia × ellisiana G. (. S. ) |
Unresolved |
11 |
| Opuntia clavata Engelm. |
Synonym of Austrocactus spiniflorus (Phil.) F. Ritter |
11 |
| Opuntia floccosa Salm-Dyck |
Synonym of Austrocylindropuntia floccosa (Salm-Dyck) F. Ritter |
11 |
| Opuntia miquelii Monv. |
Synonym of Austrocylindropuntia miquelii (Monv.) Backeb. |
110 |
| Opuntia shaferi Britton & Rose |
Synonym of Austrocylindropuntia shaferi (Britton & Rose) Backeb. |
11 |
| Opuntia exaltata A. Berger |
Synonym of Austrocylindropuntia subulata (Muehlenpf.) Backeb. |
33 |
| Opuntia subulata (Muehlenpf.) Engelm. |
Synonym of Austrocylindropuntia subulata (Muehlenpf.) Backeb. |
33 |
| Opuntia verschaffeltii Cels ex F. A. C. Weber |
Synonym of Austrocylindropuntia verschaffeltii (Cels) Backeb. |
22 |
| Opuntia brasiliensis (Willd.) Haw. |
Synonym of Brasiliopuntia brasiliensis (Willd.) A. Berger |
11 |
| Opuntia millspaughii Britton |
Synonym of Consolea millspaughii (Britton) A. Berger |
33 |
| Opuntia moniliformis (L.) Haw. ex Steud. |
Synonym of Consolea moniliformis (L.) A. Berger |
11 |
| Opuntia rubescens Salm-Dyck ex DC. |
Synonym of Consolea rubescens (Salm-Dyck) Lem. |
11 |
| Opuntia aggeria Ralston & Hilsenb. |
Synonym of Corynopuntia aggeria (Ralston & Hilsenb.) M. P. Griff. |
11 |
| Opuntia emoryi Engelm. |
Synonym of Corynopuntia emoryi (Engelm.) M. P. Griff. |
22 |
| Opuntia stanlyi Engelm. ex B. D. Jacks. |
Synonym of Corynopuntia emoryi (Engelm.) M. P. Griff. |
22 |
| Opuntia schottii var. grahamii (Engelm.) L. D. Benson |
Synonym of Corynopuntia grahamii (Engelm.) F. M. Knuth |
11 |
| Opuntia invicta Brandegee |
Synonym of Corynopuntia invicta (Brandegee) F. M. Knuth |
11 |
| Opuntia kunzei Rose |
Synonym of Corynopuntia kunzei (Rose) M. P. Griff. |
22 |
| Opuntia moelleri A. Berger |
Synonym of Corynopuntia moelleri (A. Berger) F. M. Knuth |
11 |
| Opuntia parishii Orcutt |
Synonym of Corynopuntia parishii (Orcutt) F. M. Knuth |
11 |
| Opuntia schottii Engelm. |
Synonym of Corynopuntia schottii (Engelm.) F. M. Knuth |
11 |
| Opuntia abyssi Hester |
Synonym of Cylindropuntia abyssi (Hester) Backeb. |
11 |
| Opuntia acanthocarpa Engelm. & J. M. Bigelow |
Synonym of Cylindropuntia acanthocarpa (Engelm. & J. M. Bigelow) F. M. Knuth |
11 |
| Opuntia acanthocarpa var. thornberi (Thornber & Bonker) L. D. Benson |
Synonym of Cylindropuntia acanthocarpa (Engelm. & J. M. Bigelow) F. M. Knuth |
11 |
| Opuntia acanthocarpa var. coloradensis L. D. Benson |
Synonym of Cylindropuntia acanthocarpa subsp. coloradensis (L. D. Benson) U. Guzmán |
11 |
| Opuntia acanthocarpa var. major (Engelm. & J. M. Bigelow) L. D. Benson |
Synonym of Cylindropuntia acanthocarpa subsp. major (Engelm. & J. M. Bigelow) U. Guzmán |
11 |
| Opuntia alcahes F. A. C. Weber |
Synonym of Cylindropuntia alcahes (F. A. C. Weber) F. M. Knuth |
11 |
| Opuntia burrageana Britton & Rose |
Synonym of Cylindropuntia alcahes subsp. burrageana (Britton & Rose) U. Guzmán |
22 |
| Opuntia arbuscula Engelm. |
Synonym of Cylindropuntia arbuscula (Engelm.) F. M. Knuth |
33 |
| Opuntia bigelovii Engelm. |
Synonym of Cylindropuntia bigelovii (Engelm.) F. M. Knuth |
11 |
| Opuntia bigelovii var. ciribe W. T. Marshall |
Synonym of Cylindropuntia bigelovii subsp. ciribe (Engelm.) U. Guzmán |
11 |
| Opuntia ciribe Engelm. |
Synonym of Cylindropuntia bigelovii subsp. ciribe (Engelm.) U. Guzmán |
11 |
| Opuntia californica (Torr. & A. Gray) Coville |
Synonym of Cylindropuntia californica (Torr. & A. Gray) F. M. Knuth |
11 |
| Opuntia parryi var. serpentina (Engelm.) L. D. Benson |
Synonym of Cylindropuntia californica (Torr. & A. Gray) F. M. Knuth |
11 |
| Opuntia californica var. parkeri (J. M. Coult.) Pinkava |
Synonym of Cylindropuntia californica subsp. parkeri (J. M. Coult.) U. Guzmán |
11 |
| Opuntia parryi Engelm. |
Synonym of Cylindropuntia californica subsp. parkeri (J. M. Coult.) U. Guzmán |
11 |
| Opuntia rosarica G. E. Linds. |
Synonym of Cylindropuntia californica subsp. rosarica (G. E. Linds.) U. Guzmán |
11 |
| Opuntia cholla F. A. C. Weber |
Synonym of Cylindropuntia cholla (F. A. C. Weber) F. M. Knuth |
11 |
| Opuntia davisii Engelm. & J. M. Bigelow |
Synonym of Cylindropuntia davisii (Engelm. & J. M. Bigelow) F. M. Knuth |
22 |
| Opuntia tunicata var. davisii (Engelm. & J. M. Bigelow) L. D. Benson |
Synonym of Cylindropuntia davisii (Engelm. & J. M. Bigelow) F. M. Knuth |
22 |
| Opuntia echinocarpa Engelm. & J. M. Bigelow |
Synonym of Cylindropuntia echinocarpa (Engelm. & J. M. Bigelow) F. M. Knuth |
11 |
| Opuntia fulgida Engelm. |
Synonym of Cylindropuntia fulgida (Engelm.) F. M. Knuth |
11 |
| Opuntia fulgida var. mamillata (Schott) J. M. Coult. |
Synonym of Cylindropuntia fulgida (Engelm.) F. M. Knuth |
11 |
| Opuntia acanthocarpa var. ganderi (C. B. Wolf) L. D. Benson |
Synonym of Cylindropuntia ganderi (C. B. Wolf) Rebman & Pinkava |
11 |
| Opuntia ganderi (C. B. Wolf) Rebman & Pinkava |
Synonym of Cylindropuntia ganderi (C. B. Wolf) Rebman & Pinkava |
11 |
| Opuntia arborescens Engelm. |
Synonym of Cylindropuntia imbricata (Haw.) F. M. Knuth |
11 |
| Opuntia imbricata (Haw.) DC. |
Synonym of Cylindropuntia imbricata (Haw.) F. M. Knuth |
11 |
| Opuntia imbricata var. argentea M. S. Anthony |
Synonym of Cylindropuntia imbricata subsp. argentea (M. S. Anthony) U. Guzmán |
11 |
| Opuntia congesta Griffiths |
Synonym of Cylindropuntia kleiniae (DC.) F. M. Knuth |
22 |
| Opuntia kleiniae DC. |
Synonym of Cylindropuntia kleiniae (DC.) F. M. Knuth |
22 |
| Opuntia recondita Griffiths |
Synonym of Cylindropuntia kleiniae (DC.) F. M. Knuth |
22 |
| Opuntia leptocaulis DC. |
Synonym of Cylindropuntia leptocaulis (DC.) F. M. Knuth |
11 |
| Opuntia lindsayi Rebman |
Synonym of Cylindropuntia lindsayi (Rebman) Rebman |
22 |
| Opuntia calmalliana J. M. Coult. |
Synonym of Cylindropuntia molesta (Brandegee) F. M. Knuth |
33 |
| Opuntia molesta Brandegee |
Synonym of Cylindropuntia molesta (Brandegee) F. M. Knuth |
33 |
| Opuntia clavellina Engelm. ex J. M. Coult. |
Synonym of Cylindropuntia molesta subsp. clavellina (Engelm.) U. Guzmán |
44 |
| Opuntia munzii C. B. Wolf |
Synonym of Cylindropuntia munzii (C. B. Wolf) Backeb. |
11 |
| Opuntia prolifera Engelm. |
Synonym of Cylindropuntia prolifera (Engelm.) F. M. Knuth |
22 |
| Opuntia ramosissima Engelm. |
Synonym of Cylindropuntia ramosissima (Engelm.) F. M. Knuth |
11 |
| Opuntia sanfelipensis Rebman |
Synonym of Cylindropuntia sanfelipensis (Rebman) Rebman |
33 |
| Opuntia spinosior (Engelm.) Toumey |
Synonym of Cylindropuntia spinosior (Engelm.) F. M. Knuth |
11 |
| Opuntia tesajo Engelm. |
Synonym of Cylindropuntia tesajo (Engelm.) F. M. Knuth |
11 |
| Opuntia thurberi Engelm. |
Synonym of Cylindropuntia thurberi (Engelm.) F. M. Knuth |
11 |
| Opuntia tunicata (Lehm.) Pfeiff. |
Synonym of Cylindropuntia tunicata (Lehm.) F. M. Knuth |
11 |
| Opuntia versicolor Engelm. ex Toumey |
Synonym of Cylindropuntia versicolor (Engelm.) F. M. Knuth |
11 |
| Opuntia whipplei Engelm. & J. M. Bigelow |
Synonym of Cylindropuntia whipplei (Engelm. & J. M. Bigelow) F. M. Knuth |
11 |
| Opuntia wolfei (L. D. Benson) M. A. Baker |
Synonym of Cylindropuntia wolfii (L. D. Benson) M. A. Baker |
33 |
| Opuntia × kelvinensis V. E. Grant & K. A. Grant |
Synonym of Cylindropuntia × kelvinensis (V. E. Grant & K. A. Grant) P. V. Heath |
11 |
| Opuntia kleiniae var. tetracantha (T. (. S. )) W. T. Marshall |
Synonym of Cylindropuntia × tetracantha (Toumey) F. M. Knuth |
11 |
| Opuntia boliviana Salm-Dyck |
Synonym of Maihueniopsis bolivianum (Salm-Dyck) R. Kiesling |
22 |
| Opuntia dactylifera Vaupel |
Synonym of Maihueniopsis bolivianum (Salm-Dyck) R. Kiesling |
22 |
| Opuntia glomerata Haw. |
Synonym of Maihueniopsis glomerata (Haw.) R. Kiesling |
33 |
| Opuntia pentlandii Salm-Dyck |
Synonym of Maihueniopsis pentlandii (Salm-Dyck) R. Kiesling |
11 |
| Opuntia pulchella Engelm. |
Synonym of Micropuntia pulchella (Engelm.) M. P. Griff. |
11 |
| Opuntia engelmannii var. flexospina (Griffiths) B. D. Parfitt & Pinkava |
Synonym of Opuntia aciculata Griffiths |
22 |
| Opuntia polyacantha var. arenaria (Engelm.) B. D. Parfitt |
Synonym of Opuntia arenaria Engelm. |
11 |
| Opuntia basilaris var. basilaris |
Synonym of Opuntia basilaris Engelm. & J. M. Bigelow |
11 |
| Opuntia basilaris var. brachyclada (Griffiths) Munz |
Synonym of Opuntia basilaris Engelm. & J. M. Bigelow |
11 |
| Opuntia lindheimeri var. cuija (Griffiths & Hare) L. D. Benson |
Synonym of Opuntia cantabrigiensis Lynch |
22 |
| Opuntia antillana Britton & Rose |
Synonym of Opuntia cubensis Britton & Rose |
11 |
| Opuntia stricta var. dillenii (K. Gawl.) L. D. Benson |
Synonym of Opuntia dillenii (K. Gawl.) Haw. |
22 |
| Opuntia bergeriana F. A. C. Weber ex A. Berger |
Synonym of Opuntia elatior Mill. |
22 |
| Opuntia chisosensis (M. S. Anthony) D. J. Ferguson |
Synonym of Opuntia engelmannii Salm-Dyck ex Engelm. |
33 |
| Opuntia engelmannii var. engelmannii |
Synonym of Opuntia engelmannii Salm-Dyck ex Engelm. |
33 |
| Opuntia engelmannii var. lindheimeri (Engelm.) B. D. Parfitt & Pinkava |
Synonym of Opuntia engelmannii subsp. lindheimeri (Engelm.) U. Guzmán & Mandujano |
22 |
| Opuntia lindheimeri Engelm. |
Synonym of Opuntia engelmannii subsp. lindheimeri (Engelm.) U. Guzmán & Mandujano |
22 |
| Opuntia lindheimeri var. linguiformis (Griffiths) L. D. Benson |
Synonym of Opuntia engelmannii var. linguiformis (Griffiths) B. D. Parfitt & Pinkava |
33 |
| Opuntia linguiformis Griffiths |
Synonym of Opuntia engelmannii var. linguiformis (Griffiths) B. D. Parfitt & Pinkava |
33 |
| Opuntia erinacea var. erinacea |
Synonym of Opuntia erinacea Engelm. & J. M. Bigelow |
22 |
| Opuntia polyacantha var. erinacea (Engelm. & J. M. Bigelow) B. D. Parfitt |
Synonym of Opuntia erinacea Engelm. & J. M. Bigelow |
22 |
| Opuntia megacantha Salm-Dyck |
Synonym of Opuntia ficus-indica (L.) Mill. |
33 |
| Opuntia vulgaris Mill. |
Synonym of Opuntia ficus-indica (L.) Mill. |
33 |
| Opuntia drummondii Graham |
Synonym of Opuntia fragilis (Nutt.) Haw. |
33 |
| Opuntia pusilla (Haw.) Haw. |
Synonym of Opuntia fragilis (Nutt.) Haw. |
33 |
| Opuntia compressa J. F. Macbr. |
Synonym of Opuntia humifusa (Raf.) Raf. |
22 |
| Opuntia humifusa var. humifusa |
Synonym of Opuntia humifusa (Raf.) Raf. |
22 |
| Opuntia impedata Small |
Synonym of Opuntia humifusa (Raf.) Raf. |
22 |
| Nopalea karwinskiana (Salm-Dyck) K. Schum. |
Synonym of Opuntia karwinskiana Salm-Dyck |
11 |
| Pterocactus kuntzei K. Schum. |
Synonym of Opuntia kuntzei (K. Schum.) Kiessling |
22 |
| Opuntia littoralis var. littoralis |
Synonym of Opuntia littoralis (Engelm.) Cockerell |
33 |
| Opuntia macrocentra var. minor M. S. Anthony |
Synonym of Opuntia macrocentra Engelm. |
11 |
| Opuntia violacea Engelm. |
Synonym of Opuntia macrocentra Engelm. |
11 |
| Opuntia violacea var. castetteri L. D. Benson |
Synonym of Opuntia macrocentra Engelm. |
11 |
| Opuntia violacea var. gosseliniana (F. A. C. Weber) L. D. Benson |
Synonym of Opuntia macrocentra Engelm. |
11 |
| Opuntia violacea var. macrocentra (Engelm.) L. D. Benson |
Synonym of Opuntia macrocentra Engelm. |
11 |
| Opuntia cymochila Engelm. & J. M. Bigelow |
Synonym of Opuntia macrorhiza Engelm. |
22 |
| Opuntia mackensenii Rose |
Synonym of Opuntia macrorhiza Engelm. |
22 |
| Opuntia macrorhiza var. macrorhiza |
Synonym of Opuntia macrorhiza Engelm. |
22 |
| Opuntia tortispina Engelm. & J. M. Bigelow |
Synonym of Opuntia macrorhiza Engelm. |
22 |
| Opuntia macrorhiza var. pottsii (Salm-Dyck) L. D. Benson |
Synonym of Opuntia macrorhiza subsp. pottsii (Salm-Dyck) U. Guzmán & Mandujano |
22 |
| Opuntia pottsii Salm-Dyck |
Synonym of Opuntia macrorhiza subsp. pottsii (Salm-Dyck) U. Guzmán & Mandujano |
22 |
| Opuntia tenuispina Engelm. & J. M. Bigelow |
Synonym of Opuntia macrorhiza subsp. pottsii (Salm-Dyck) U. Guzmán & Mandujano |
22 |
| Opuntia amyclaea Ten. |
Synonym of Opuntia maxima Mill. |
44 |
| Opuntia elongata (Willd.) Haw. |
Synonym of Opuntia maxima Mill. |
44 |
| Opuntia lanceolata (Haw.) Haw. |
Synonym of Opuntia maxima Mill. |
44 |
| Opuntia microdasys var. albispina Fobe |
Synonym of Opuntia microdasys (Lehm.) Pfeiff. |
11 |
| Opuntia microdasys var. minor Salm-Dyck |
Synonym of Opuntia microdasys (Lehm.) Pfeiff. |
11 |
| Opuntia microdasys var. rufida (Engelm.) K. Schum. |
Synonym of Opuntia microdasys subsp. rufida (Engelm.) U. Guzmán & Mandujano |
11 |
| Opuntia rufida Engelm. |
Synonym of Opuntia microdasys subsp. rufida (Engelm.) U. Guzmán & Mandujano |
11 |
| Opuntia chihuahuensis Rose |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia discata Griffiths |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia dulcis Engelm. |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia laevis J. M. Coult. |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. discata (Griffiths) L. D. Benson & Walk. |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. flavispina L. D. Benson |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. laevis (J. M. Coult.) L. D. Benson |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. major Engelm. |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. nigricans Engelm. |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. phaeacantha |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia phaeacantha var. spinosibacca (M. S. Anthony) L. D. Benson |
Synonym of Opuntia phaeacantha Engelm. |
33 |
| Opuntia camanchica Engelm. & J. M. Bigelow |
Synonym of Opuntia phaeacantha var. camanchica (Engelm. & J. M. Bigelow) L. D. Benson |
33 |
| Opuntia polyacantha var. polyacantha |
Synonym of Opuntia polyacantha Haw. |
11 |
| Opuntia polyacantha var. rufispina (Engelm. & J. M. Bigelow) L. D. Benson |
Synonym of Opuntia polyacantha Haw. |
11 |
| Opuntia polyacantha var. trichophora (Engelm. & J. M. Bigelow) J. M. Coult. |
Synonym of Opuntia polyacantha Haw. |
11 |
| Opuntia polyacantha var. hystericina |
Synonym of Opuntia polyacantha var. hystericina (Engelm. & J. M. Bigelow) B. D. Parfitt |
22 |
| Opuntia nicholii L. D. Benson |
Synonym of Opuntia polyacantha var. nicholii (L. D. Benson) B. D. Parfitt |
33 |
| Opuntia tayapayensis Cárdenas |
Synonym of Opuntia pubescens H. L. Wendl. ex Pfeiff. |
22 |
| Opuntia guerrana Griffiths |
Synonym of Opuntia robusta J. C. Wendl. |
22 |
| Opuntia santarita |
Synonym of Opuntia santarita (Griffiths & Hare) Rose |
11 |
| Opuntia violacea var. santarita (Griffiths & Hare) L. D. Benson |
Synonym of Opuntia santarita (Griffiths & Hare) Rose |
11 |
| Opuntia schickendantzii |
Synonym of Opuntia schickendantzii F. A. C. Weber |
11 |
| Opuntia stanleyi |
Synonym of Opuntia stanleyi Engelm. |
11 |
| Opuntia strigil |
Synonym of Opuntia strigil Engelm. |
11 |
| Opuntia sulphurea var. hildemanii |
Synonym of Opuntia sulphurea var. hildemanii (Frič) Backeb. |
33 |
| Opuntia comonduensis (J. M. Coult.) Britton & Rose |
Synonym of Opuntia tapona Engelm. ex J. M. Coult. |
11 |
| Opuntia vulgaris var. nana |
Synonym of Opuntia vulgaris var. nana (Vis.) K. Schum. |
None |
| Opuntia multigeniculata Clokey |
Synonym of Opuntia whipplei var. multigeniculata (Clokey) L. D. Benson |
11 |
| Opuntia viridiflora Britton & Rose |
Synonym of Opuntia whipplei var. viridiflora (Britton & Rose) L. D. Benson |
11 |
| Opuntia zehnderi |
Synonym of Opuntia zehnderi (Rauh & Backeb.) G. D. Rowley |
None |
| Opuntia × spinosibacca M. S. Anthony |
Synonym of Opuntia × spinosibacca M. S. A. (. S. ) |
22 |
| Opuntia littoralis var. vaseyi (J. M. Coult.) L. D. Benson & Walk. |
Synonym of Opuntia × vaseyi (J. M. C. ). Britton & R. (. sp.) |
33 |
| Opuntia inamoena K. Schum. |
Synonym of Tacinga inamoena (K. Schum.) N. P. Taylor & Stuppy |
33 |
| Opuntia alexanderi Britton & Rose |
Synonym of Tephrocactus alexanderi Backeb. |
11 |
| Opuntia diademata Lem. |
Synonym of Tephrocactus diademata (Lem.) Lem. |
11 |
| Opuntia molinensis Speg. |
Synonym of Tephrocactus molinensis (Speg.) Backeb. |
None |
| Opuntia soehrensii Britton & Rose |
Synonym of Tunilla soehrensii (Britton & Rose) D. R. Hunt & Iliff |
22 |