Sometimes taxonomists create new names for groups that already have a name. They may do this because they are unaware of the original name, or they may think the organism before them belongs to a different group when in fact it does not. If two or more names are found to apply to the same group, they are considered synonyms. In most cases, the first name takes priority and is considered to be the valid or accepted name. However, there can be exceptions, and it's not always easy to determine which of a series of synonyms should be considered valid or accepted. Here we list the synonyms provided to EOL by our classification partners. We also include other versions of the name that most likely refer to the same group, for example, misspellings in the literature or different variations of the authorship associated with the name.

Preferred marks the preferred name from each source.

Integrated Taxonomic Information System (ITIS)

Name Relationship
Opuntia Mill. Preferred
Salmiopuntia Fric ex Guiggi Synonym
Platyopuntia (Engelm.) Fric & Schelle ex Kreuz.
Opuntia guatemalensis Britton & Rose Other, see comments
Opuntia hitchcockii J.G.Ortega
Opuntia guilanchi Griffiths
Opuntia darrahiana F.A.C. Weber
Opuntia crassa Haw.
Opuntia conjungens (F. Ritter) P.J. Braun & Esteves
Opuntia deamii Rose
Opuntia crystalenia Griffiths
Opuntia howeyi J.A. Purpus
Opuntia inaequilateralis A.Berger
Opuntia karwinskiana Salm-Dyck
Opuntia feroacantha Britton & Rose
Opuntia elizondoana E. Sánchez M. & Villaseñor
Opuntia X bernichiana hort. Horticultural
Opuntia armata Backeb.
Opuntia bonplandii (Kunth) F.A.C. Weber
Opuntia tapona Engelm. ex J.M. Coult.
Opuntia orbiculata Salm-Dyck ex Pfeiff.
Opuntia longispina Haw.
Opuntia securigera Borg
Opuntia spinulifera Salm-Dyck
Opuntia ritteri A. Berger

NCBI Taxonomy

Name Relationship
Opuntia Preferred
Opuntia Mill.

IRMNG

Name Relationship
Opuntia (Linnaeus) P. Miller, 1754 Preferred
Opuntia microcarpa Engelm. ex B. D. Jackson
Opuntia violacea Engelm.
Opuntia lindheimeri Engelm.
Opuntia parryi Engelm.
Opuntia macrantha Gibbes
Opuntia mojavensis Engelm.
Opuntia nitens Small
Opuntia pottsii Salm-Dyck
Opuntia pygmaea (Wieg. & Backeberg) Rowley
Opuntia rafinesquei Engelm.
Opuntia rhodantha K. Schum.
Opuntia tricolor Griffiths
Opuntia schweriniana K. Schum.
Opuntia tenuiflora Small
Opuntia ammophila Small
Opuntia antillana Britt. & Rose
Opuntia calcicola Wherry
Opuntia columbiana Griffiths
Opuntia covillei Britt. & Rose
Opuntia emoryi auct. non Engelm.
Opuntia turgida Small
Opuntia zebrina Small
Opuntia thornberi Thornb. & Bonker
Opuntia gilvescens Griffiths
Opuntia leptocarpa MacKensen
Opuntia megacarpa Griffiths
Opuntia tuberculosirhopalica (Wieg. & Backeberg) Rowley
Opuntia abjecta Small
Opuntia brachyrhopalica (Daston) Rowley
Opuntia canada Griffiths
Opuntia bentonii Griffiths
Opuntia grandiflora Engelm.
Opuntia impedata Small
Opuntia tortispina Engelm. & Bigelow
Opuntia pisciformis Small
Opuntia compressa J. F. Macbr.
Opuntia dulcis Engelm.
Opuntia flexospina Griffiths
Opuntia tunoidea Gibbes
Opuntia woodsii Backeberg
Opuntia laevis Coult.
Opuntia longiareolata Clover & Jotter
Opuntia mamillata Schott ex Engelm.
Opuntia davisii Engelm. & Bigelow
Opuntia linguiformis Griffiths
Opuntia ursina A. Weber
Opuntia lata Small
Opuntia austrina Small
Opuntia arizonica Griffiths
Opuntia californica Engelm.
Opuntia opuntia (L.) Karst.
Opuntia magnifica Small
Opuntia juniperina Britt. & Rose
Opuntia spectatissima (Daston) Rowley
Opuntia brachyarthra Engelm. & Bigelow
Opuntia wiegandii (Backeberg) Rowley
Opuntia eburnispina Small
Opuntia turbinata Small
Opuntia camanchica Engelm. & Bigelow
Opuntia pollardii Britt. & Rose
Opuntia vulgaris P. Mill.
Opuntia wootonii Griffiths
Opuntia wrightiana E. M. Baxter
Opuntia tracyi Britt.
Opuntia stanlyi Engelm.
Opuntia atrocapensis Small
Opuntia mackensenii Rose
Opuntia tenuispina Engelm. & Bigelow
Opuntia ochrocentra Small
Opuntia vaseyi (Coult.) Britt. & Rose
Opuntia dillei Griffiths
Opuntia whitneyana E. M. Baxter
Opuntia cumulicola Small
Opuntia vulgaris auct. non P. Mill.
Opuntia plumbea Rose
Opuntia drummondii Graham
Opuntia serpentina Engelm.
Opuntia hystricina Engelm. & Bigelow
Opuntia ballii Rose
Opuntia dillenii (Ker-Gawl.) Haw.
Opuntia emoryi Engelm.
Opuntia brachyclada Griffiths
Opuntia rutila Nutt.
Opuntia sphaerocarpa Engelm. & Bigelow
Opuntia gracilicylindrica (Wieg. & Backeberg) Rowley
Opuntia barkleyana (Daston) Rowley
Opuntia tardospina Griffiths
Opuntia treleasei Coult.
Opuntia rubrifolia Engelm. ex Coult.
Opuntia arborescens Engelm.
Opuntia compressa auct. non J. F. Macbr.
Opuntia trichophora (Engelm. & Bigelow) Britt. & Rose

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