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    Trout's Notes on

    Sacred Cacti 3rd Edition

    Part C Cactus Alkaloids; Section 2

    Our apologies that none of these links work yet. This is simply a teaser page from things to come.



     

    The Cactus Species



    Part of Woody Minach's Ariocarpus collection offered for sale in Pasadena.



    The focus of the listings below is on those species that have had some nature of analysis reported.
        Many cactus species have apparently been analyzed (by workers such as Stig Agurell or one of Jerry McLaughlin's students) and found to contain no alkaloids but the details were often left unpublished.
        Many other cactus species were noted to contain an unidentified alkaloid or alkaloids. In some cases other workers took a closer look but many are still unelucidated.
        We have made very little attempt to retitle and rearrange the analytical entries to be in line with their current synonyms but we have attempted to include most of those synonyms below as conveniently linked crosslistings. This is primarily a work summarizing the published accounts concerning cactus chemistry rather than taxonomy so our use of one name or another is just as likely to reflect how they were analyzed than the current name. Our goal in organization was to make the chemical accounts accessible despite how often some of the plants have changed names.
        Purists might object to our failure to preferentially employ the current names as opposed to our listing some accepted names simply as synonyms but the reality is a strict adherance to the outcome of repeated revisions is just as likely to obscure what has been published as not. This is largely due to the huge numbers of mergers sometimes lumping up to several plants with different analytical results into one species without subspecific divisions. A number of errors already exist within the chemical literature due to some workers casually merging analytical results of what once were regarded as separate species as if any or all of the reported alkaloids can now somehow be expected from all of the larger 'species'. It is also likely to obscure some interesting patterns of shared chemistry or lack of shared chemistry within some of the former divisions.
        Call them whatever you want, this is just a summary of what we have thusfar encountered.

    We encourage & welcome corrections, updates and suggestions on how to make this work more accessible.
     


       
      Acharagma aguirreanum (Glass & Foster) Glass
          See as Gymnocactus aguirreanus
       

        Acharagma roseanum (Boedecker) Anderson
          See as Gymnocactus roseanus
       

        Anhalonium elongatum S-D
          See as Ariocarpus retusus
       

        Anhalonium elongatus (S-D) Lee
          See as Ariocarpus retusus
       

        Anhalonium jourdanianum Lewin was determined to contain an unidentified but pharmacologically active alkaloid in Lewin 1894b.

          Anhalonium jourdanianum cannot be demonstrably equated with Lophophora jourdaniana Habermann.
            [See comment under the latter or Anderson 1980.]
       

        Anhalonium kotschoubeyanus Lem.
          See as Ariocarpus kotschoubeyanus
       

        Anhalonium lewinii Hennings
          See as Lophophora williamsii
       

        Anhalonium trigonum Web.
          See as Ariocarpus trigonus
       

        Anhalonium williamsii Rümpler
          See as Lophophora diffusa
       

        Anhalonium williamsii (Lemaire) Lemaire
          Most likely see as Lophophora diffusa
         [See Bruhn & Holmstedt 1974 for details]
       

        Anisocereus foetidus (MacDougall & Miranda) Marshall
          See as Pterocereus foetidus

         Listed in Hunt 2006 as Pachycereus gaumeri.
       

        Anisocereus gaumeri (Britton & Rose) Backeberg
          See as Pterocereus (?) gaumeri

         Listed in Hunt 2006 as Pachycereus gaumeri.
       

        Aporocactus flagelliformis (L.) Lemaire
          analysis
           images

         Hunt 2006 lists as Disocactus flagelliformis (L.) Bthy. The genus Aporocactus is now lumped into Disocactus along with some former Epiphyllum, Phyllocactus and Heliocereus species.
       

        Ariocarpus agavoides (Castañeda) E.F.Anderson
          analysis
           images
       

        Ariocarpus denegrii (Friè) Marshall
          See as Obregonia denegrii
       

        Ariocarpus disciformis (DeCandolle) Marshall
          See as Strombocactus disciformis
       

        Ariocarpus bravoanus Hernandez & Anderson
          analysis
           images
       

        Ariocarpus bravoanus ssp. hintonii (Stuppy & Taylor) Anderson & Fitz Maurice
          analysis
          images
       

        Ariocarpus fissuratus (Engelmann) K.Schumann
          analysis
          images
       

        Ariocarpus fissuratus var. fissuratus (Rose) Marshall
          analysis
          images
       

        Ariocarpus fissuratus var. hintonii Stuppy & Taylor
          See as Ariocarpus bravoanus ssp. hintonii
       

        Ariocarpus fissuratus var. lloydii (Engelmann) Schumann
          analysis
          images
       

        Ariocarpus furfuraceous (Watson) H.C.Thompson

         Listed in Hunt 2006 as Ariocarpus retusus.

         Often labeled as retusus var. furfuraceous; lacks published analysis as variety.)
       

        Ariocarpus hintonii
          See as Ariocarpus bravoanus ssp. hintonii
       

        Ariocarpus kotschoubeyanus (Lemaire) Schumann
          analysis
          images
       

        Ariocarpus lloydii Rose
          analysis
          images
       

        Ariocarpus retusus Scheidweiller
          analysis
          images
       

        Ariocarpus scaphirostris Boedecker
          analysis
          images
       

        Ariocarpus scapharostrus Boedecker
          See as Ariocarpus scaphirostris
       

        Ariocarpus trigonus (Weber) Schumann
          analysis
          images
       

        Ariocarpus williamsii (Lemaire) Voss
          See as Lophophora williamsii
       

        Armatocereus humilis (Britton & Rose) Backeberg
          See as Lemaireocereus humilis

         Listed in Hunt 2006 as Stenocereus humilis.
       

        Armatocereus laetus (HBK) Backeberg
          See as Lemaireocereus laetus
       

        Armatocereus matucanensis Backeberg ex Hill

          Lacks any published analysis but purported to be used as a type of San Pedro in Peru.
       

        Oddly the entire genus Astrophytum lacks published analysis
       

        Astrophytum asterias
          analysis
          images
       

        Astrophytum myriostigma Lemaire
          analysis
          images
       

        Austrocylindropuntia cylindrica (A.L.de Jussieu ex Lamarck) A.P.de Candolle
          See as Opuntia cylindrica
       

        Austrocylindropuntia exaltata (A.Berger) Backeberg

         Listed in Hunt 2006 as a subspecies of Austrocylindropuntia subulata
       

        Austrocylindropuntia subulata (Muehlenpfordt) Backeberg
          See as Opuntia subulata (and also look under Opuntia exaltata)
       

        Australopuntia spp. See under Opuntia
       

        Aylostera pseudodeminuta (Backeberg) Backeberg
          See Rebutia pseudodeminuta ssp. kupperiana
       

        Aztekium ritteri (Bödeker) Bödeker
          analysis
          images
       

        Azureocereus ayacuchensis Johns
          analysis
          images
       

        Azureocereus spp. This entire genus needs analysis.
       

        Backebergia militaris (Andot) Bravo ex Sanchez Mejorada
          analysis
          images

         Listed in Hunt 2006 as Pachycereus militaris.
       

        Borzicactus sepium (HBK) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as Cleistocactus sepium.
       

        Brasiliopuntia brasiliensis (Willdenow) A.Berger
          See as Opuntia brasiliensis
       

        Browningia candelaris (Meyen) Britton & Rose
          analysis
          images

         The entire genus Browningia needs analysis.
       

        Cactus grandiflora Linnaeus
          See as Selenicereus grandiflorus
       

        Carnegiea euphorbioides (Haworth) Backeberg
          See as Neobuxbaumia euphorbioides
       

        Carnegiea gigantea (Engelmann) Britton & Rose
          analysis
          images
       

        Cephalocereus chrysacanthus (Weber) Britton & Rose
          See as Pilocereus chrysacanthus

         Listed in Hunt 2006 as Pilosocereus chrysacanthus.
       

        Cephalocereus columna-trajani (Karwinsky) K.Schumann See Cephalocereus hoppenstedtii
       

        Cephalocereus euphorbioides (Haworth) Britton & Rose
          See as Neobuxbaumia euphorbioides
       

        Cephalocereus gaumeri Britton & Rose is NOT synonymous with Pterocereus (?) gaumeri
       

        Cephalocereus glaucescens (Labouret) Borg
          analysis
          images
       

        Cephalocereus guerreronis (Backeberg) Buxb.
          See as Pilocereus guerreronis

         Listed in Hunt 2006 as Pilosocereus alensis.
       

        Cephalocereus hoppenstedtii (A.Web.) K.Schumann
          analysis
          images

          Listed in Hunt 2006 as being lumped with Cephalocereus columna-trajani
       

        Cephalocereus leucocephalus (Poselger) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as Pilosocereus leucocephalus.
       

        Cephalocereus maxonii Rose
          See as Pilocereus maxonii

         Listed in Hunt 2006 as being lumped as Pilosocereus leucocephalus.
       

        Cephalocereus nobilis (Haworth) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as being lumped as Pilosocereus royenii.
       

        Cephalocereus senilis (Haworth) Pfeiff.
          analysis
          images
       

        Cephalocereus tetetzo (A.Web.) Vaupel

      see as Neobuxbaumia tetetzo
       

        Cereus aethiops Haworth
          analysis
          images
       

        Cereus alacriportanus Pfeiffer
          analysis
          images
       

        Cereus azureus Parmentier
          analysis
          images

         Listed in Hunt 2006 being lumped as Cereus aethiops.
       

        Cereus comarapanus Cárdenas
          analysis
          images

         Listed in Hunt 2006 as being lumped as Cereus hankeanus.
       

        Cereus coryne Salm-Dyck
          See as Stetsonia coryne
       

        Cereus forbesii Otto
          analysis
          images
       

        Cereus gigantens Engelmann
          See as Carnegiea gigantea
       

        Cereus giganteus Engelmann
          See as Carnegiea gigantea

      Please be aware that, in the past, Trichocereus pachanoi has been sold (improperly) under the name Cereus giganteus and there is also a Karel Knize nomen nudum designated Trichocereus giganteus Knize n.n. There is also some material in cultivation designated as Trichocereus peruvianus var. giganteus that is synonymous with Knize's nomen nudum. See more under Trichocereus peruvianus in SC3 Part B San Pedro
       

        Cereus glaucus Salm-Dyck
          analysis
          images
       

        Cereus grandiflorus Mill.
          See as Selenicereus grandiflorus
       

        Cereus hirschtianus K.Schumann
          analysis
          images
       

        Cereus jamacaru DeCandolle
          analysis
          images
       

        Cereus peruvianus (Linnaeus) Miller
          analysis
          images

      According to Hunt 2006 this name is best regarded as a nomen confusum and plants bearing this name are more likely to be Cereus repandus (L.) Mill. if correctly identified (Ed: ?) although it has also been long misapplied to Cereus hildemannianus K.Schumann. It is said to possibly be synonymous with Cereus jamaracu in the molecular typing of Gutman et al. 2001.

      Note: Trichocereus macrogonus, T. pachanoi, T. peruvianus, what appears to be aff. Juul's Giant & some material resembling what is known as Trichocereus cv. argentinensis sensu B.Ressler have been improperly sold or published as photos in cactus books bearing this name.
       

        Cereus peruvianus formae monstrosus DeCandolle
          analysis
          images
       

        Cereus silvestrii Spegazzini
          See as Chamaecereus silvestrii
       

        Cereus spp.
          analysis
          images
       

        Cereus sp.
          analysis
          images
       

        Cereus speciosus K.Schumann
          analysis
          images
       

        Cereus stenogonus K.Schumann
          analysis
          images
       

        Cereus stenogonus K.Schumann X Heliaporus smithii (Pfeiffer) Rowley
          analysis
          images
       

        Cereus thouarsii Weber
          analysis
          images
       

        Cereus validus Haworth
          analysis
          images

      This name has some problems as described according to Hunt 2006.
       

        Chamaecereus silvestrii (Spegazzini) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as Echinopsis silvestrii.

          Thought possibly to have come from a single clone as it was never recollected from the wild according to Hunt 2006.
       

        Cleistocactus baumanii (Lemaire) Lemaire
          analysis
          images
       

        Cleistocactus jujuyensis (Backeberg) Backeberg
          analysis
          images

         Listed in Hunt 2006 as being lumped as Cleistocactus hyalacanthus.
       

        Cleistocactus parviflorus (K.Schumann) Gosselin
          analysis
          images
       

        Cleistocactus smaragdiflorus (Weber) Britton & Rose
          analysis
          images
       

        Cleistocactus strausii (Heese) Backeberg
          analysis
          images
       

        Coryphantha bumamma (Ehrenberg) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as Coryphantha elephantidens ssp. bummama.
       

        Coryphantha calipensis H.Bravo
          analysis
          images

         Listed in Hunt 2006 as Coryphantha pallida ssp. calipensis.
       

        Coryphantha compacta (Engelmann) Britton & Rose Needs an analysis.
       

        Coryphantha cornifera (DeCandolle) Lemaire
          analysis
          images
       

        Coryphantha cornifera var. echinus (Engelmann) L.Benson
          analysis
          images
       

        Coryphantha durangensis (Rünge) Britton & Rose
          analysis
          images
       

        Coryphantha echinus
          See as Coryphantha cornifera var. echinus
       

        Coryphantha elephantidens Lemaire
          analysis
          images

         Listed in Hunt 2006 as Coryphantha elephantidens ssp. elephantidens.
       

        Coryphantha greenwoodii H.Bravo
          analysis
          images

         Listed in Hunt 2006 as Coryphantha elephantidens ssp. greenwoodii.
       

        Coryphantha macromeris (Engelmann) Lemaire
          analysis
          images

         Listed in Hunt 2006 as Coryphantha macromeris ssp. macromeris.
       

        Coryphantha macromeris var. runyonii L.Benson
          analysis
          images

         Listed in Hunt 2006 as Coryphantha macromeris ssp. runyonii.
       

        Coryphantha missouriensis (Sweet) Britton & Rose
          analysis
          images

         Listed in Hunt 2006 as Escobaria missouriensis ssp. missouriensis.
       

        Coryphantha odorata Boedecker
          See as Neolloydia odorata

         Listed in Hunt 2006 as Cumarinia odorata.
       

        Coryphantha ottonis (Pfeiffer) Lemaire
          analysis
          images
       

        Coryphantha palmeri Britton & Rose
          analysis
          images

         Hunt 2006 lists as being lumped into Coryphantha compacta.
       

        Coryphantha pectinata (Engelmann) Britton & Rose
          analysis
          images

         Hunt 2006 lists as being lumped into Coryphantha echinus.
       

        Coryphantha poselgeriana (Dietrich) Britton & Rose
          analysis
          images
       

        Coryphantha radians (DeCandolle) Britton & Rose
          analysis
          images

         Hunt 2006 lists as being lumped into Coryphantha cornifera.
       

        Coryphantha ramillosa Cutak
          analysis
          images
       

        Coryphantha scolymoides (Scheidw.) Berg.   
           analysis
          images
       

        Coryphantha tuberculosa ()    analysis
          images
       

        Coryphantha vivipara (Nuttall) Britton & Rose
          analysis
          images
       

        Coryphantha vivipara (Nutt.) Britton & Rose var. arizonica (Engelmann) W.T.Marshall
          analysis
          images

         Hunt 2006 lists as Escobaria vivipara.
       

        Cumarina odorata (Boed.) Buxb.
          See as Neolloydia odorata
       

        Cylindropuntia acanthocarpa (Engelmann & Bigelow) F.M.Knuth
          See as Opuntia acanthocarpa
       

        Cylindropuntia cylindrica (A.L.de Jussieu ex Lamarck) F.M.Knuth
          See as Opuntia cylindrica
       

        Cylindropuntia echinocarpa (Engelmann & Bigelow) F.M.Knuth
          See as Opuntia echinocarpa

          Now some merge this with Opuntia acanthocarpa
       

        Cylindropuntia exaltata (A.Berger) Backeberg
          See as Opuntia subulata (and also look under Opuntia exaltata)
       

        Cylindropuntia fulgida (Engelmann & Bigelow) F.M.Knuth var. mamillata (Schott) Backeberg
          See as Opuntia fulgida
       

        Cylindropuntia imbricata (Haworth) F.M.Knuth var. argentea (M.Anthony) Backeberg
          See as Opuntia imbricata
       

        Cylindropuntia kleiniae (A.P.de Candolle) F.M.Knuth
          See as Opuntia kleiniae
       

        Cylindropuntia leptocaulis (A.P.de Candolle) F.M.Knuth
          See as Opuntia leptocaulis
       

        Cylindropuntia ramosissima (Engelmann) F.M.Knuth
          See as Opuntia ramosissima
       

        Cylindropuntia spinosior (Engelmann) F.M.Knuth
          See as Opuntia spinosior
       

        Cylindropuntia subulata (Muehlenpfordt) Backeberg
          See as Opuntia subulata (and also look under Opuntia exaltata)
       

        Cylindropuntia versicolor (Engelmann ex J.M.Coulter) F.M.Knuth
          See as Opuntia versicolor
       

        Cylindropuntia whipplei (Engelmann & Bigelow) F.M.Knuth
          See as Opuntia whipplei
       

        Denmoza rhodacantha (Salm-Dyck) Britton & Rose
          analysis
          images
       

        Dolichothele baumii (Boedecker) Werdermann & Buxbaum
          analysis
          images

         Hunt 2006 lists as Mammillaria baumii.
       

        Dolichothele longimamma (DeCandolle) Britton & Rose
          analysis
          images

         Hunt 2006 lists as Mammillaria longimamma.
       

        Dolichothele melaleuca (Dietrich) Britton & Rose
          analysis
          images

         Hunt 2006 lists as Mammillaria melaleuca.
       

        Dolichothele sphaerica (Dietrich) Britton & Rose
          analysis
          images

         Hunt 2006 lists as Mammillaria sphaerica.
       

        Dolichothele surculosa (Boedecker) F.Buxbaum
          analysis
          images

         Hunt 2006 lists as Mammillaria surculosa.
       

        Dolichothele uberiformis (Zuccarini) Britton & Rose
          analysis
          images

         Hunt 2006 lists lumped as Mammillaria longimamma.
       

        Echinocactus arechavaletai Schumann
          See as Wiggensia arechavaletai
       

        Echinocactus asterias Zuccarini
           See as Astrophytum asterias
       

        Echinocactus caespitosus
          analysis
          images
       

        Echinocactus concinus Monville
          See as Notocactus concinus
       

        Echinocactus grandis Rose
          analysis
          images

         Hunt 2006 lists lumped as Echinocactus platyacanthus.
       

        Echinocactus horizonthalonius Lemaire
          analysis
          images
       

        Echinocactus hystrix Haworth
          See as Lemaireocereus hystrix
       

        Echinocactus lewinii K.Schumann
          See as Lophophora williamsii
       

        Echinocactus platyacanthus Link & Otto
      See Echinocactus visnaga
       

        Echinocactus polycephalus Engelmann & Bigelow
          analysis
          images
       

        Echinocactus polycephalus Engelmann & Bigelow var. xeranthoides Coulter
          analysis
          images
       

        Echinocactus pruinosus Otto
          See as Lemaireocereus pruinosus
       

        Echinocactus ritteri Böd.
          See as Aztekium ritteri
       

        Echinocactus roseanus Boedecker
          See as Gymnocactus roseanus
       

        Echinocactus texensis Hopffer
          See as Homalocephala texensis
       

        Echinocactus visnaga
          analysis

         Hunt 2006 lists lumped as Echinocactus platyacanthus.
       

        Echinocactus williamsii Lemaire ex Salm-Dyck
          See as Lophophora williamsii
       

        Echinocereus acifer
          analysis
          images
       

        Echinocereus chloranthus Engelmann
          analysis
          images

         Hunt 2006 lists as Echinocereus viridiflorus ssp. chloranthus.
       

        Echinocereus cinerascens (DeCandolle) Rümpler
          analysis
          images
       

        Echinocereus enneacanthus var. stramineus (Engelmann) L.Benson
          analysis
          images

         Hunt 2006 lists as Echinocereus stramineus.
       

        Echinocereus merkerii Hildm.
          analysis
          images

         Hunt 2006 lists as Echinocereus enneacanthus ssp. enneacanthus.
       

        Echinocereus pectinatus (Scheidweiler) Engelmann
          analysis
          images
       

        Echinocereus triglochidiatus Engelmann var. gurneyi Benson
          analysis
          images
       

        Echinocereus triglochidiatus Engelmann var. neomexicanus (Standley) Standley ex W.T.Marshall
          analysis
          images
       

        Echinocereus triglochidiatus Engelmann var. paucispinus Engelmann ex W.T.Marshall
          analysis
          images
       

        Echinocereus viridiflorus Engelmann var. chloranthus Backeberg
          See as Echinocereus chloranthus

         Hunt 2006 lists as Echinocereus viridiflorus ssp. chloranthus.
       

        Echinofossulocactus multicostatus (Hildm.) Britton & Rose
          analysis
          images

         Hunt 2006 lists as Stenocactus multicostatus.
       

        Echinomastus dasyacanthus Britton & Rose
          See as Neolloydia intertexta var. dasyacantha

         Hunt 2006 lists lumped as Sclerocactus intertextus.
       

        Echinomastus intertextus Engelmann
          See as Sclerocactus intertextus
       

        Echinomastus intertextus Engelmann var. dasyacanthus Engelmann;
          See as Neolloydia intertexta var. dasyacantha

         Hunt 2006 lists lumped as Sclerocactus intertextus.
       

        Echinopsis andalgalensis (Weber) Friedrich & Rowley
          See as Trichocereus andalgalensis
       

        Echinopsis atacamensis (Phillipi) Friedrich & Rowley
          See as Trichocereus atacamensis
       

        Echinopsis bridgesii SD
          Lacks analysis
          images
       

        Echinopsis bruchii (Britton & Rose) Castellanos & Lelong
          See as Trichocereus bruchii

         Hunt 2006 lists as Echinopsis bruchii ssp. bruchii.
       

        Echinopsis camarguensis (Cárdenas) Friedrich & Rowley
          See as Trichocereus camarguensis
       

        Echinopsis candicans Weber
          See as Trichocereus candicans
       

        Echinopsis cephalomacrostibas (Werdermann & Backeberg) Friedrich & Rowley
          See as Trichocereus cephalomacrostibas

         Hunt 2006 lists as Weberbauerocereus cephalomacrostibas.
       

        Echinopsis chiloensis (Colla) Friedrich & Rowley
          See as Trichocereus chilensis

         Hunt 2006 lists as Echinopsis chilensis.
       

        Echinopsis courantii (Schumann) Friedrich & Rowley
          See as Trichocereus courantii

          Listed in Hunt 2006 as lumped with E. candicans along with several former species.
       

        Echinopsis cuzcoensis (Britton & Rose) Friedrich & Rowley
          See as Trichocereus cuzcoensis
       

        Echinopsis deserticola (Werdermann) Friedrich & Rowley No entry.

          Images.
       

        Echinopsis eyriesii (Turpin) Zuccarini
          analysis
          images

         Hunt 2006 lists lumped as Echinopsis oxygona.
       

        Echinopsis fulvilana (Ritter) Friedrich & Rowley
          See as Trichocereus fulvilanus

          Hunt 2006 lists lumped with E. deserticola.
       

        Echinopsis gigantea Knize n.n. (published in Friedrich & Glaetzle 1983) = Trichocereus giganteus Hort. Knize See in San Pedro
       

        Echinopsis grandiflora Link
          Possibly see as Trichocereus grandiflorus

         Hunt 2006 lists lumped as Echinopsis calochlora.
       

        Echinopsis huascha (Web.) Friedrich & Rowley
          See analysis under Trichocereus huascha
       

        Echinopsis kermesina (Krainz) Krainz
          See analysis under Pseudolobivia kermesina

         Hunt 2006 lists lumped as Echinopsis mamillosa.
       

        Echinopsis knuthiana (Backeberg) Friedrich & Rowley
          See as Trichocereus knuthianus

         Hunt 2006 lists lumped as Echinopsis cuzcoensis.
       

        Echinopsis lamprochlora (Weber) Friedrich & Glaetzle
          See as Trichocereus lamprochlorus
       

        Echinopsis lageniformis (Foerst.) Friedrich & Rowley
          See as Trichocereus bridgesii
       

        Echinopsis macrogona (Salm-Dyck) Friedr. & Rowley
          See as Trichocereus macrogonus
       

        Echinopsis manguinii (Backeberg) Friedr. & Rowley
          See as Trichocereus manguinii

         Hunt 2006 lists lumped as Echinopsis schickendantzii.
       

        Echinopsis mamillosa Guerke

          See potential analysis under Pseudolobivia kermesina
       

        Echinopsis multiplex (Pfeiffer) Pfeiffer & Otto
          Lacks analysis
      Hunt 1999 lists as being lumped into Echinopsis oxygona (Link) Zuccarini ex Pfeiffer & Otto
       

        Echinopsis oxygona (Link) Zuccarini ex Pfeiffer & Otto lacks reported analysis.
       

        Echinopsis pachanoi (Britton & Rose) Friedr. & Rowley
          See as Trichocereus pachanoi
       

        Echinopsis pasacana (Web.) Friedrich & Rowley
          See as Trichocereus pasacana
       

        Echinopsis peruviana (Britton & Rose) Friedrich & Rowley
          See as Trichocereus peruvianus
       

        Echinopsis peruviana spp. puquiensis (Rauh & Backeberg) Ostolaza
          See as Trichocereus puquiensis
       

        Echinopsis rhodotricha K.Schumann
          analysis
          images
       

        Echinopsis santaensis (Rauh & Backeberg) Friedrich & Rowley
          See as Trichocereus santaensis
       

        Echinopsis schickendantzii Weber
          See as Trichocereus schickendantzii
       

        Echinopsis schoenii Rauh & Backeberg See as Trichocereus schoenii
       

        Echinopsis schwantesii (Fric lacks a published analysis.
      Hunt 1999 lists as being lumped into Echinopsis oxygona (Link) Zuccarini ex Pfeiffer & Otto along with Echinopsis multiplex (Pfeiffer) Pfeiffer & Otto
       

        Echinopsis scopulicola (Ritter) Mottram
          See as Trichocereus scopulicola
       

        Echinopsis skottsbergii (Backeberg & Skottsberg) Friedrich & Rowley
          See as Trichocereus skottsbergii
       

        Echinopsis smrziana Backeberg
          See as Trichocereus smrzianus
       

        Echinopsis spachiana (Lem.) Friedr. & Rowley
          See as Trichocereus spachianus
       

        Echinopsis species
      See also Trichocereus species
       

        Echinopsis strigosa (SD.) Friedr. & Rowley
          See as Trichocereus strigosus
       

        Echinopsis silvestrii
          See as Chamaecereus silvestrii
       

        Echinopsis tacaquirensis (Vaupel) Friedrich & Rowley
          See as Trichocereus tacaquirensis
       

        Echinopsis taquimbalensis (Cárdenas) Friedr. & Rowley
          See as Trichocereus taquimbalensis
       

        Echinopsis tarijensis (Vaupel) Werdermann Possibly see under Trichocereus poco
       

        Echinopsis terscheckii (Parm.) Friedr. & Rowley
          See as Trichocereus terscheckii
       

        Echinopsis thelegonoides (Speg.) Friedr. & Rowley
          See as Trichocereus thelegonoides
       

        Echinopsis thelegona (Weber) Friedrich & Rowley
          See as Trichocereus thelegonus
       

        Echinopsis triumphans R.Mey        
          analysis
          images
       

        Echinopsis tulhuayensis (Ochoa ex Backeberg) Friedrich & Rowley
          See as Trichocereus tulhuayensis
       

        Echinopsis tunariensis (Cárdenas) Friedrich & Rowley
          See as Trichocereus tunariensis
       

        Echinopsis uyupampensis (Backeberg) Friedrich & Rowley
          See as Trichocereus uyupampensis
       

        Echinopsis valida Monv.
          See as Trichocereus validus

          Please be aware that 2 or 3 different plants are sometimes called Echinopsis valida.
       

        Echinopsis volliana (Backeberg) Friedrich & Rowley
          See as Trichocereus vollianus
       

        Echinopsis werdermanniana (Backeberg) Friedr. & Rowley
          See as Trichocereus werdermannianus
       

        Echinopsis werdermanniana (Backeberg) Friedr. & Rowley
          See as Trichocereus werdermannianus

          Please note that while the opinion expressed in Hunt's CITES Cactaceae Checklist was that this species no longer exists and was absorbed by terscheckii (a conclusion that was picked up and repeated by Edward Anderson in his Cactus Family), in Hunt's New Cactus Lexicon they are again regarded as separate species.
       

        Epiphyllum ackermannii Haworth (a hybrid; not a true species)
          See as Nopalxochia ackermannii
       

        Epiphyllum anguliger (Lemaire) Britton & Rose
          analysis
          images
       

        Epiphyllum truncatum Haworth
          See as Zygocactus truncata
       

        Epiphyllum phyllanthoides (DC) Sweet
          See as Nopalxochia phyllanthoides
       

        Epithelantha micromeris (Engelmann) Weber
          analysis
          images
       

        Eriocereus guelichii (Speg.) Berg.
          analysis
          images
       

        Eriocereus spp. This entire genus needs some analysis.
       

        Eriosyce strausiana (Schumann) Kattermann
          See as Pyrrhocactus strausianus
       

        Escobaria aguirreana (Glass & Foster) Taylor
          See as Gymnocactus aguirreanus
       

        Escobaria missouriensis (Sweet) D.R.Hunt
          See as Coryphantha missouriensis
       

        Escobaria tuberculosa (Engelmann) Britton & Rose
          See as Coryphantha tuberculosa
       

        Escobaria vivipara var. buoflama (P.C.Fischer) N.P.Taylor)
      Possibly see under Coryphantha vivipara (= var. buoflama)
       

        Escontria chiotilla (Weber) Rose
          analysis
          images
       

        Escontria gaumeri
          See as Pterocereus gaumeri
       

        Espostoa huanucensis Ritter
          analysis
          images
       

        Espostoa lanata (HBK) Britton & Rose
          analysis
          images
       

        Ferocactus acanthodes (Lemaire) Britton & Rose
          analysis
          images

          Hunt 1999 rejects name as outlawed by ICBN and lists as being lumped into Ferocactus cylindraceus
       

        Ferocactus hamatocanthus (Muehlenpfordtii) Britton & Rose
          analysis
          images
       

        Ferocactus latispinus (Haworth) Britton & Rose
          analysis
          images
       

        Ferocactus recurvus (Mill.) Berg.
          analysis
          images
       

        Ferocactus stainesii (Andot) Britton & Rose var. pringlei (Coulter) Britton & Rose
          analysis
          images
       

        Ferocactus wislizeni (Engelmann) Britton & Rose
          analysis
          images
       

        Glandulicactus crassihamatus (Weber) Marshall
          analysis
          images
       

        Grusonia bradtiana (Coulter) Britton & Rose
          See as Opuntia bradtiana
       

        Grusonia clavata (Engelmann) H.Robinson
          See as Opuntia clavata
       

        Grusonia emoryi (Engelmann) Pinkawa
          See as Opuntia stanlyi var. stanlyi
       

        Grusonia invicta (T.Brandegee) E.F.Anderson
          See as Opuntia invicta
       

        Grusonia kunzei (Rose) Pinkawa
          See as Opuntia stanlyi var. kunzei
       

        Grusonia schottii (Engelmann) H.Robinson
          See as Opuntia schottii
       

        Gymnocactus beguinii (Weber) Backeberg
          analysis
          images
       

        Gymnocactus horripilus (Lemaire) Backeberg
          analysis
          images
       

        Gymnocactus knuthianus (Boedecker) Backeberg
          analysis
          images
       

        Gymnocactus aguirreanus Glass & Foster
          analysis
          images
       

        Gymnocactus mandragora (Friè) Backeberg
          analysis
          images
       

        Gymnocactus roseanus (Boedecker) Glass & Foster
          analysis
          images
       

        Gymnocactus sp.
          analysis
          images
       

        Gymnocactus viereckii (Werdermann) Backeberg
          analysis
          images
       

        Gymnocalycium achirasense H.Till & Schatzl
          analysis
          images

         Hunt 1999 & 2006 gives as Gymnocalycium monvillei ssp. achirasense (H.Till) H.Till
       

        Gymnocalycium albispinum Backeberg
          analysis
          images

         Hunt 1999 & 2006 list as being lumped with Gymnocalycium bruchii
       

        Gymnocalycium andreae (Böd.) Backeb. & F.M.Knuth
          analysis
          images
       

        Gymnocalycium anisitsii (K.Schumann) Britton & Rose
          analysis
          images
       

        Gymnocalycium asterium Ito
          analysis
          images

         Hunt 1999 & 2006 list as being lumped with Gymnocalycium stellatum along with several other former species.
       

        Gymnocalycium baldianum (Spegazzini) Spegazzini
          analysis
          images
       

        Gymnocalycium bayrianum H.Till
          analysis
          images

         Hunt 1999 & 2006 list as provisionally accepted. Hunt 2006 voiced doubts if this was distinct from Gymnocalycium spegazzini.
       

        Gymnocalycium bozsingianum Schütz
          analysis
          images

         Hunt 1999 & 2006 lists as being lumped with Gymnocalycium castellanosii ssp. castellanosii (along with Gymnocalycium curvispinum).
       

        Gymnocalycium bruchii (Speg.) Hoss. lacks published analysis.
       

        Gymnocalycium calochlorum (Boedecker) Y.Ito
          analysis
          images
       

        Gymnocalycium cardenasianum Ritter
          analysis
          images

         Hunt 1999 & 2006 give combined as Gymnocalycium spegazzini spp. cardenasium.
       

        Gymnocalycium carminanthum Borth & Koop
          analysis
          images

          Hunt 1999 includes as provisionally accepted.
          Hunt 2006 lists as being lumped into Gymnocalycium oenanthemum.
       

        Gymnocalycium castellanosii ssp. castellanosii Backeberg lacks published analysis.
       

       Gymnocalycium chubutense Spegazzini
          analysis
          images

         Hunt 1999 & 2006 list as being lumped into Gymnocalycium gibbosum ssp. gibbosum [along with several other former species.]
       

        Gymnocalycium comarapense Backeberg
          analysis
          images

         Hunt 1999 & 2006 list as being lumped into Gymnocalycium pflanzii ssp. pflanzii [along with several other former species.]
       

        Gymnocalycium curvispinum Friè
          analysis
          images

         Hunt 1999 presents as lumped into the provisionally accepted Gymnocalycium neuhuberi Till & Till.
         Hunt 2006 lists as being lumped into Gymnocalycium castellanosii ssp. castellanosii (along with Gymnocalycium boszingianum).
       

        Gymnocalycium cytianum in the literature was a typo intending Gymnocalycium eytianum
       

        Gymnocalycium delaetii Backeberg
          analysis
          images

         Hunt 1999 gives as only provisionally accepted.
         Hunt 2006 lists combined as Gymnocalycium schickendantzii ssp. delaetii
       

        Gymnocalycium denudatum (Link & Otto) Pfeiffer
          analysis
          images
       

        Gymnocalycium eytianum Cárdenas
          analysis
          images

         Hunt 1999 gives as only provisionally accepted.
         Hunt 2006 lists as being lumped into Gymnocalycium marsoneri ssp. matoense.
       

        Gymnocalycium fleischerianum Backeberg
          analysis
          images

         Hunt 1999 gives as only provisionally accepted and indicates to be an illegal name.
         Hunt 2006 notes that molecular studies show that this species is a form of Gymnocalycium paraguayense.
       

        Gymnocalycium friedrichii Paz.
          analysis
          images

        Hunt 1999 & 2006 list as being lumped into Gymnocalycium stenopleurum
       

        Gymnocalycium gibbosum (Haworth) Pfeiffer
          analysis
          images
       

        Gymnocalycium griseopallidum Backeberg lacks an analysis.

         Hunt 1999 & 2006 list as being lumped as Gymnocalycium anisitsii ssp. anisitsii.
       

        Gymnocalycium horridispinum Frank
          analysis
          images

         Hunt 1999 & 2006 give combined as Gymnocalycium monvillei ssp. horridispinum
       

        Gymnocalycium langunillasense Cárdenas lacks analysis.

          Hunt 1999 & 2006 lists as being lumped with Gymnocalycium pflanzii ssp. pflanzii
       

        Gymnocalycium leeanum (Hooker) Britton & Rose
          analysis
          images

          Hunt 1999 listed this species name as only provisionally accepted.
          Hunt 2006 lists combined as Gymnocalycium reductum ssp. leeanum which is only provisionally accepted.
         (Hunt 1999 presented Gymnocalycium reductum as being lumped into Gymnocalycium gibbosum; Hunt 2006 employs Gymnocalycium reductum as the provisionally accepted Gymnocalycium reductum ssp. reductum)
       

        Gymnocalycium marquezii Cárdenas lacks an analysis.

      Hunt 1999 & 2006 list as being lumped into Gymnocalycium pflanzii spp. pflanzii along with several former species.
       

        Gymnocalycium marsoneri (Friè) Ito
          analysis
          images
       

        Gymnocalycium mazanense Backeberg
          analysis
          images

         Hunt 1999 & 2006 list as being lumped into Gymnocalycium hossei

       

        Gymnocalycium megalotheles (Sencke) Britton & Rose
          analysis
          images

          Hunt 1999 lists as a possible synonym of Gymnoccalycium monvillei
          Hunt 2006 thinks name is best rejected and plant referred to Gymnocalycium denudatum.
          Hunt gives spelling as Gymnocalycium megalothelon.


        Gymnocalycium mesopotamicum Kiessling
          analysis
          images
       

        Gymnocalycium mihanovichii (Friè & Gürke) Britton & Rose
          analysis
          images
       

        Gymnocalycium mihanovichii var. friedrichii
          See as Gymnocalycium friedrichii

         Hunt 1999 & 2006 list the name Gymnocalycium friedrichii as illegal and the plant itself as being lumped into Gymnocalycium stenopleurum.
       

        Gymnocalycium monvillei (Lem.) Britton & Rose
          analysis
          images
       

        Gymnocalycium monvillei ssp. achirense
          See as Gymnocalycium achirense

         Hunt 1999 lists this name as provisionally accepted.
         Hunt 2006 includes the subspecies as an accepted nsme.
       

        Gymnocalycium monvillei ssp. horridispinum
          See as Gymnocalycium horridispinum

         Hunt 1999 lists this name as provisionally accepted.
         Hunt 2006 includes the subspecies as an accepted nsme.
       

        Gymnocalycium monvillei ssp. monvillei
          See as Gymnocalycium monvillei

         Hunt 1999 lists this name as provisionally accepted.
         Hunt 2006 recognizes as an accepted nsme.
       

        Gymnocalycium moserianum Schutz
          analysis
          images

         Hunt 1999 lists as being lumped into the provisionally accepted Gymnocalycium bodenbenderianum ssp. intertextum.
         Hunt 2006 presents as being lumped into Gymnocalycium ochoterenae.
       

        Gymnocalycium mostii (Gürke) Britton & Rose lacks an analysis.
       

        Gymnocalycium multiflorum (Hooker) Britton & Rose
          analysis
          images

          Hunt 1999 & 2006 lists as being lumped into Gymnocalycium monvillei ssp. monvillei
       

        Gymnocalycium netrelianum Britton & Rose
          analysis
          images

          Hunt 1999 includes as an accepted species.
          Hunt 2006 lists under category of "original application is indeterminate or debatable"
       

        Gymnocalycium nigriareolatum Backeberg
          analysis
          images

          Hunt 1999 listed as being lumped into the provisionally accepted Gymnocalycium hybopleurum (the latter name was rejected in Hunt 2006 as being of uncertain application and best abandoned).
          Hunt 2006 preserves Gymnocalycium nigriareolatum as an accepted species.
       

        Gymnocalycium oenanthemum Backeberg
          analysis
          images
       

        Gymnocalycium paraguayense Schutz
          analysis
          images
       

        Gymnocalycium pflanzii (Vaupel) Werdermann
          analysis
          images
       

        Gymnocalycium pflanzii ssp. argentinense Till. & Till.
          analysis
          images

         Hunt 1999 lumps into Gymnocalycium pflanzii and drops its subspecific ranking.
         Hunt 2006 retains the subspecific status as an accepted name.
       

        Gymnocalycium pflanzii ssp. pflanzii
          See as Gymnocalycium pflanzii
       

        Gymnocalycium platense (Spegazzini) Britton & Rose
          analysis
          images

         Hunt 1999 lists as an accepted species.
          Hunt 2006 lists under category of "original application is indeterminate or debatable"
       

        Gymnocalycium pungens Fleischer
          analysis
          images

          Not mentioned in Hunt 1999 or 2006.
       

        Gymnocalycium quehlianum (F.Haage ex. Quehl.) Vaupel ex. Hosseus
          analysis
          images

          Hunt 1999 lists as an accepted species.
          Hunt 2006 placed under category of "original application is indeterminate or debatable"
       

        Gymnocalycium ragonesei Cast.
          analysis
          images
       

        Gymnocalycium ragonesii Cast. See as Gymnocalycium ragonesei.-
       

        Gymnocalycium reductum ssp. leeanum
          See as Gymnocalycium leeanum
       

        Gymnocalycium riograndense Cárdenas
          analysis
          images

         Hunt 1999 lists as being lumped into Gymnocalycium pflanzii
         Hunt 2006 lists as being lumped into Gymnocalycium pflanzii ssp. zegarrae
       

        Gymnocalycium riojense Friè ex H.Till & W.Till
          analysis
          images

         Hunt 1999 includes as an accepted species.
         Hunt 2006 lists as being lumped into Gymnocalycium bodenbenderianum
       

        Gymnocalycium riojense Friè ex H.Till & W.Till ssp. kozelskyanum Schütz ex H.Till & W.Till
          analysis
          images

         Hunt 1999 lists as a provisional name.
         Hunt 2006 lists as being lumped into Gymnocalycium bodenbenderianum
       

        Gymnocalycium riojense Friè ex H.Till & W.Till ssp. paucispinum Backeberg ex H.Till & W.Till
          analysis
          images

         Hunt 1999 lists as a provisional name.
         Hunt 2006 lists as being lumped into Gymnocalycium bodenbenderianum
       

        Gymnocalycium saglione (Cels) Britton & Rose
          analysis
          images

          Hunt 2006 notes that the above name is illegal and should be spelled Gymnocalycium saglionis
       

        Gymnocalycium schickendantzii (Weber) Britton & Rose
          analysis
          images
       

        Gymnocalycium schickendantzii ssp. delaetii
          See as Gymnocalycium delaetii

         Hunt 1999 gives as Gymnocalycium dllaetii which he regards as only provisionally accepted.
       

        Gymnocalycium schickendantzii ssp. schickendantzii
          See as Gymnocalycium schickendantzii
       

        Gymnocalycium spegazzini Britton & Rose lacks an analysis.
       

        Gymnocalycium spegazzini ssp. bayrianum (H.Till) Halda
          See as Gymnocalycium bayrianum

      See comments under G. bayrianum above.
       

        Gymnocalycium spegazzini spp. cardenasium (Ritter) Kies. & Metz.
          See as Gymnocalycium cardenasianum

         Hunt 1999 & 2006 include the subspecies as an accepted name.
       

        Gymnocalycium spegazzini ssp. spegazzini
          See Gymnocalycium spegazzini
       

        Gymnocalycium stellatum Spegazzini
          analysis
          images
       

        Gymnocalycium stenopleurum
      Possibly see related analysis under Gymnocalycium friedrichii
       

        Gymnocalycium striglianum Jeggle
          analysis
          images

         Hunt 1999 regards as only provisionally accepted.
         Hunt 2006 lists as an accepted species.
       

        Gymnocalycium tillianum Rausch
          analysis
          images

         Hunt 1999 regards as only provisionally accepted.
         Hunt 2006 lists as being lumped into Gymnocalycium oenanthemum
       

        Gymnocalycium triacanthum Backeberg
          analysis
          images

         Hunt 1999 gives as a synonym of Gymnocalycium riojense.
         Hunt 2006 refers to it as an outlawed name and refers it to Gymnocalycium riojense fide Till & Till which he regards as being absorbed into Gymnocalycium bodenbenderianum.
       

        Gymnocalycium uebelmannianum Rausch
          analysis
          images
       

        Gymnocalycium valnicekianum Jajó
          analysis
          images

         Hunt 1999 & 2006 list as being lumped into Gymnocalycium mostii
       

        Gymnocalycium vatteri Buining
          analysis
          images

         Hunt 1999 gives combined as Gymnocalycium ochoterenae ssp. vatteri (Buining) Papsch
         Hunt 2006 drops the subspecific status and lists as being lumped into Gymnocalycium ochoterenae
       

        Haageocereus acranthus (Vaupel) Backeberg
          analysis
          images
       

        Hamatocactus hamatocanthus (Mühlenpf.) Borg
          See as Ferocactus hamatocanthus
       

        Hariota salicornioides DC
          analysis
          images
       

        Harrisia adscendens (Gürke) Britton & Rose
          analysis
          images
       

        Haseltonia columna-trajani (Karw.) Backeberg
          See as Cephalocereus hoppenstedtii
       

        Heliabravoa chende (Gosselin) Backeberg
          See as Polaskia chende
       

        Helianthocereus andalgalensis (Weber) Backeberg
          See as Trichocereus andalgalensis
       

        Helianthocereus atacamensis (Phil.) Backeberg
          See as Trichocereus atacamensis
       

        Helianthocereus huascha (Weber) Backeberg
          See as Trichocereus huascha
       

        Helianthocereus pasacana (Weber) Backeberg.
          See as Trichocereus pasacana
       

        Helianthocereus poco (Backeberg) Backeberg
          See as Trichocereus poco
       

        Helianthocereus speciosus (Cavan.) Britton & Rose
          See as Cereus speciosus
       

        Hertrichocereus beneckei (Ehrenberg) Backeberg
          See as Stenocereus beneckei
       

        Homalocephala texensis Britton & Rose
          analysis
          images
       

        Hylocereus costaricensis (Weber) Britton & Rose
          analysis
          images
       

        Hylocereus hybrids
          analysis
          images
       

        Hylocereus polyrhizus (Weber) Britton & Rose
          analysis
          images
       

        Hylocereus purpusii (Weingt.) Britton & Rose
          analysis
          images
       

        Hylocereus undatus (Haworth) Britton & Rose
          analysis
          images
       

        Islaya minor Backeberg (T)
          analysis
          images
       

        Isolatocereus dumortieri (Scheidw.) Backeberg
          See as Lemaireocereus dumortieri
       

        Lemaireocereus aragonii (Weber) Britton & Rose
          analysis
          images
       

        Lemaireocereus chende (Gosselin) Britton & Rose
          See as Polaskia chende
       

        Lemaireocereus chichipe (Gosselin) Britton & Rose
          See as Polaskia chichipe
       

        Lemaireocereus deficiens (Otto & Dietrich) Britton & Rose
          analysis
          images
       

        Lemaireocereus dumortieri Britton & Rose
          analysis
          images
       

        Lemaireocereus eruca Britton & Rose
          See as Stenocereus eruca
       

        Lemaireocereus euphorbioides (Haworth) Werd.
          See as Neobuxbaumia euphorbioides
       

        Lemaireocereus griseus (Haworth) Britton & Rose
          analysis
          images
       

        Lemaireocereus gummosus Britton & Rose
          See as Machaerocereus gummosus
       

        Lemaireocereus hollianus (Weber) Britton & Rose
          analysis
          images
       

        Lemaireocereus humilis Britton & Rose
          analysis
          images
       

        Lemaireocereus laetus Britton & Rose
          analysis
          images
       

        Lemaireocereus hystrix (Haworth) Britton & Rose
          analysis
          images
       

        Lemaireocereus longispinus Britton & Rose
          analysis
          images

          Now considered absorbed into Pachycereus marginatus
       

        Lemaireocereus marginatus (DC) Berg.
          See as Pachycereus marginatus
       

        Lemaireocereus mixtecensis (Purpus) Britton & Rose
          See as Polaskia chichipe
       

        Lemaireocereus montanus Britton & Rose
          analysis
          images
       

        Lemaireocereus pruinosus (Otto) Britton & Rose
          analysis
          images
       

        Lemaireocereus queretaroensis (Weber) Safford
          analysis
          images
       

        Lemaireocereus quevedonis G.Ortega
          analysis
          images
       

        Lemaireocereus stellatus (Pfeiffer) Britton & Rose
          See as Stenocereus stellatus
       

        Lemaireocereus thurberi (Engelmann) Britton & Rose
          analysis
          images
       

        Lemaireocereus treleasei Britton & Rose
          See as Stenocereus treleasei
       

        Lemaireocereus weberi (Coulter) Britton & Rose
          See as Pachycereus weberi
       

        Leocereus bahiensis Britton & Rose
          analysis
          images
       

        Lepidocoryphantha macromeris (Engelmann) Backeberg
          See as Coryphantha macromeris
       

        Lepidocoryphantha runyonii (Britton & Rose) Backeberg
          See as Coryphantha macromeris var. runyonii
       

        Leuchtenbergia principis Hooker
          analysis
          images
       

        Lobivia allegriana Backeberg
          analysis
          images
       

        Lobivia andalgalensis (Weber) Britton & Rose IS NOT Trichocereus andalgalensis
      Probably is synonymous with Trichocereus huascha See Ritter 1980       analysis
          images
       

        Lobivia aurea (Britton & Rose) Backeberg
          analysis
          images
       

        Lobivia backebergii (Werdermann) Backeberg
          analysis
          images
       

        Lobivia binghamiana Backeberg
          analysis
          images
       

        Lobivia chlorogona Wessn.
          analysis
          images
       

        Lobivia famatimensis (Spegazzini) Britton & Rose
          analysis
          images
       

        Lobivia formosa (Pfeiffer) Dodds
          analysis
          images
       

        Lobivia huashua (Weber) W.T.Marshall = Lobivia huascha
       

        Lobivia huascha (Weber) W.T.Marshall
          See as Trichocereus huascha
       

        Lobivia pentlandii (Hooker) Britton & Rose
          analysis
          images
       

        Lophocereus australis (K.Brandegee) Borg
          analysis
          images
       

        Lophocereus gatesii M.E.Jones
          analysis
          images
       

        Lophocereus mieckleyanus (Wgt.) Backeberg
          See as Lophocereus schottii forma mieckleyanus
       

        Lophocereus sargentianus (Orcutt) Britton & Rose
          See as Lophocereus schottii
       

        Lophocereus schottii (Engelmann) Britton & Rose
          analysis
          images
       

        Lophocereus schottii var. schottii
          analysis
          images
       

        Lophocereus schottii var. tenuis
          analysis
          images
       

        Lophocereus schottii forma mieckleyanus G.Lindsey
          analysis
          images
       

        Lophocereus schottii (Engel.) Britton & Rose forma monstrosus Gates
          analysis
          images
       

        Lophocereus schottii (Engel.) Britton & Rose var. Australis (K.Brand.) Borg
          See as Lophocereus australis
       

        Lophophora diffusa (Croizat) H.Bravo
          analysis
          images
       

        Lophophora diffusa var. koehresii Ríha
          analysis
          images
       

        Lophophora echinata Croizat
          analysis
          images
       

        Lophophora fricii Habermann
          analysis
          images
       

        Lophophora jourdaniana Habermann
          analysis
          images
       

        Lophophora koehresii (Ríha)
          analysis
          images
       

        Lophophora lutea is another invalid name. It was given by Croizat
          Lacks analysis
       

        Lophophora sp. var. Viesca (Vieska), Mex.
          analysis
          images

          This is most likely a form of L. fricii
       

        Lophophora williamsii (Lemaire) Coulter
          analysis
          images
       

        Lophophora williamsii var. caespitosa Y.Ito n.n.
          analysis
          images
       

        Lophophora williamsii var. decipiens Croizat
          analysis
          images
       

        Lophophora williamsii var. pentagona Croizat
          analysis
          images
       

        Machaerocereus gummosus (Engelmann) Britton & Rose
          analysis
          images
       

        Machaerocereus eruca (Brandegee) Britton & Rose
          See as Stenocereus eruca
       

        Maihueniopsis darwinii (Henslow) Ritter
          See as Opuntia hickenii
       

        Maihueniopsis glomerata (Haworth) Kiesling
      Hunt 1999 lists as Opuntia glomerata Haworth See under.
       

        Maihuenia poeppigii (Pfeiffer) Schumann
          analysis
          images
       

        Mamilopsis senilis (Loddiges) Weber ex Britton & Rose
          analysis
          images
       

        Mammillaria aselliformis W.Watson
          See as Pelecyphora aselliformis
       

        Mammillaria centricirrha Lemaire
          analysis
          images
       

        Mammillaria coronata
          analysis
          images
       

        Mammillaria craigii Lindsay
          Needs an analysis
          images

        See comment under Mammillaria heyderii
       

        Mammillaria crinita DC
      See possibly as Mammillaria wildii (?)
       

        Mammillaria dactylithele Labouret
          See as Coryphantha macromeris
       

        Mammillaria dioica K.Brandegee   
          analysis
          images
       

        Mammillaria disciformis DC
          See as Strombocactus disciformis
       

        Mammillaria donati Berge ex Schumann
          analysis
          images
       

        Mammillaria elongata DeCandolle
          analysis
          images
       

        Mammillaria elongata DeCandolle var. rufrocrocea K.Schumann
          analysis
          images
       

        Mammillaria grahamii Engelmann
          Needs an analysis
       

        Mammillaria grahamii Engelmann var. olivae (Orcutt) L.Benson
           Needs an analysis
       

        Mammillaria gummifera Engelmann
          analysis
          images
       

        Mammillaria haageana Pfeiffer Possibly
          See as Mammillaria donati (One of several species now lumped into M. haageana)
       

        Mammillaria heyderi Muehlenpfordt
          analysis
          images
       

        Mammillaria hidalgensis J.Purpus
          analysis
          images
       

        Mammillaria infernillensis Craig
          analysis
          images
       

        Mammillaria karwinskiana Martius
          analysis
          images
       

        Mammillaria krameri
          analysis
          images
       

        Mammillaria lenta K.Brandegee
          analysis
          images
       

        Mammillaria lewinii Karsten
          See as Lophophora williamsii
       

        Mammillaria longimamma DeCandolle
          See as Dolichothele longimamma
       

        Mammillaria longimamma sphaerica K.Brandegee
          See as Dolichothele sphaerica
       

        Mammillaria longimamma uberiformis Schumann
          See as Dolichothele uberiformis
       

        Mammillaria macromeris Engelmann
          See as Coryphantha macromeris
       

        Mammillaria magnimamma Haworth
          analysis
          images
       

        Mammillaria magnimamma var. divergens Haworth
          analysis
          images
       

        Mammillaria meiacantha Britton & Rose
          analysis
          images
       

        Mammillaria melaleuca Karwinsky ex Salm-Dyck
          See as Dolichothele melaleuca
       

        Mammillaria microcarpa Engelmann
          analysis
          images
       

        Mammillaria multiceps Salm-Dyck
          analysis
          images
       

        Mammillaria neumanniana Lemaire
          analysis
          images
       

        Mammillaria pusilla (DC) Sweet
          analysis
          images
       

        Mammillaria polythele ssp. polythele Possibly
          See as   Mammillaria hidalgensis J.Purpus (One of several now lumped into this species.)
       

        Mammillaria rhodantha Link & Otto
          analysis
          images
       

        Mammillaria roseoalba Boedecker
          analysis
          images
       

        Mammillaria runyonii (Britton & Rose) Boedecker
          See as Mammillaria meiacantha
       

        Mammillaria runyonii (Britton & Rose) Boedecker IS NOT synonymous with Mammillaria runyonii Cory
       

        Mammillaria runyonii Cory
          See as Coryphantha macromeris var. runyonii
       

        Mammillaria runyonii Hort.
          See as Coryphantha macromeris var. runyonii
       

        Mammillaria saffordii (Britton & Rose) Bravo
          analysis
          images
       

        Mammillaria seitziana Martius
          analysis
          images
       

        Mammillaria setigera
          analysis
          images
       

        Mammillaria sphaerica Dietrich ex Poselger
          See as Dolichothele sphaerica
       

        Mammillaria tetrancistra Engelmann
          analysis
          images
       

        Mammillaria uberiformis Zuccarini ex Pfeiffer
          See as Dolichothele uberiformis
       

        Mammillaria wildii A.Dietrich
          analysis
          images
       

        Mammillaria williamsii Coulter
          See as Lophophora williamsii
       

        Mammillaria woodsii R.T.Craig
          analysis
          images
       

        Mammillaria zeilmanniana Böd.
          analysis
          images
       

        Mammillaria zuccariniana Martius
          analysis
          images
       

        Marginatocereus marginatus (DC) Backeberg
          See as Pachycereus marginatus
       

        Marshallocereus aragonii (Web.) Backeberg
          See as Lemaireocereus aragonii
       

        Marshallocereus thurberi (Engelmann) Backeberg
          See as Lemaireocereus thurberi
       

        Matucana madisoniorum
          analysis
          images
       

        Melocactus delessertianus Lemaire
          analysis
          images
       

        Melocactus depressus Hooker
          analysis
          images

          Hunt 1999 lists as being lumped into Gymnocalycium violaceus Pfeiffer within ssp. violaceus
       

        Melocactus maxonii (Rose) Gürke
          analysis
          images
       

        Melocactus peruvianus Vaupel
          analysis
          images
       

        Monvillea spegazzinii (A.Weber) Britton & Rose
          analysis
          images
       

        Myrtillocactus cochal (Orc.) Britton & Rose
          analysis
          images
       

        Myrtillocactus eichlamii Britton & Rose
          analysis
          images
       

        Myrtillocactus geometrizans (von Martius) Console
          analysis
          images
       

        Myrtillocactus geometrizans var. grandiareolatus (Bravo) Backeberg
          See as Myrtillocactus grandiareolatus.

      Hunt 1999 considers this to be synonymous with Myrtillocactus geometrizans
       

        Myrtillocactus grandiareolatus Bravo
          analysis
          images
       

        Myrtillocactus schenckii (Purpus) Britton & Rose
          analysis
          images
       

        Neobuxbaumia euphorbioides (Haworth) Buxb.
          analysis
          images
       

        Neobuxbaumia multiareolata (E.Y.Dawson) Bravo et al.
          analysis
          images
       

        Neobuxbaumia scoparia (Poselger) Backeberg
          analysis
          images
       

        Neobuxbaumia tetetzo (Weber ex Coulter) Backeberg
          analysis
          images
       

        Neogomesia agavioides Castañeda.
          See as Ariocarpus agavioides
       

        Neolloydia intertexta (Engelmann) L.Benson
          See as Sclerocactus intertextus
       

        Neolloydia intertexta var. dasyacantha (Engelmann) L.Benson
          analysis
          images
       

        Neolloydia odorata (Boedecker) Backeberg
          analysis
          images
       

        Neomammillaria anything. See under Mammilllaria
       

        Neoporteria ebenacantha
          analysis
          images
       

        Neoraimondia arequipensis var. roseiflora (Werdermann & Backeberg) Rauh
          analysis
          images
       

        Neoraimondia macrostibas (Schumann) Britton & Rose
          analysis
          images
       

        Nopalxochia ackermannii (Haworth.) F.M.Knuth
          analysis
          images
       

        Nopalxochia phyllanthoides (DC) Britton & Rose
          analysis
          images
       

        Normanbokea pseudopectinata (Backeberg) Kladiwa & Buxbaum.
          See as Turbinicarpus pseudopectinata
       

        Notocactus concinnus (Monville) Backeberg
          analysis
          images
       

        Notocactus mammulosus (Lemaire) A.Berger
          analysis
          images
       

        Notocactus ottonis (Lehmann) Berger ex Backeberg & Knuth
          analysis
          images
       

        Nyctocereus guatemalensis Britton & Rose
          analysis
          images
       

        Obregonia denegrii Friè
          analysis
          images
       

        Opuntia
          analysis
          images
       

        Opuntia acanthocarpa Engelmann & Bigelow
          analysis
          images
       

        Opuntia aurantiaca Lindley
          analysis
          images
       

        Opuntia auranthiaca [sic] intending Opuntia aurantiaca Lindley
       

        Opuntia basilaris Engelmann & Bigelow
          analysis
          images
       

        Opuntia bergeriana Weber
          analysis
          images

          Hunt 1999 lists as lumped into Opuntia elatior
       

        Opuntia bigelovii Engelmann
          analysis
          images
       

        Opuntia bradtiana (Coulter) K.Brandegee
          analysis
          images
       

        Opuntia brasiliensis (Willdenow) Haworth
          analysis
          images
       

        Opuntia chlorotica Engelmann & Bigelow
          analysis
          images
       

        Opuntia cholla Weber
          analysis
          images
       

        Opuntia clavarioides Pfeiffer
          See as Puna clavarioides
       

        Opuntia clavata Engelmann
          analysis
          images
       

        Opuntia cylindrica Lamarck
          analysis
          images
       

        Opuntia curvospina Griffiths
          analysis
          images

          Hunt 1999 lists as hybrid of Opuntia chlorotica X phaeacantha
       

        Opuntia decumbens SD
          analysis
          images
       

        Opuntia dejecta SD
          analysis
          images
       

        Opuntia diademata Lemaire
          analysis
          images
       

        Opuntia dillenii Haworth
          See as Opuntia stricta var. dillenii
       

        Opuntia echinocarpa Engelmann & Bigelow
          analysis
          images
       

        Opuntia elatior  Mill.
          analysis
          images
       

        Opuntia engelmannii SD
          analysis
          images
       

        Opuntia erinacea Engelmann & Bigelow var. hystricina (Engelmann & Bigelow) L.Benson
          analysis
          images
       

        Opuntia exaltata Berger
          analysis
          images

          Hunt 1999 lists as being lumped into Opuntia subulata
       

        Opuntia ficus-indica (Linnaeus) Miller
          analysis
          images
       

        Opuntia fragilis
          analysis
          images
       

        Opuntia fulgida Engelmann
          analysis
          images
       

        Opuntia glomerata Haworth  
       

        Opuntia guatemalensis Britton & Rose
          analysis
          images
       

        Opuntia hickenii Britton & Rose
          analysis
          images

          Hunt 1999 lists as lumped into Opuntia darwinii
       

        Opuntia humifusa Rafinesque-Schmaltz
          analysis
          images
       

        Opuntia imbricata Haworth
          analysis
          images
       

        Opuntia invicta Brandegee
          analysis
          images
       

        Opuntia kleiniae DeCandolle
          analysis
          images
       

        Opuntia leptocaulis DC
          analysis
          images
       

        Opuntia leuchotricha DC
          analysis
          images
       

        Opuntia lindheimeri Engelmann
          analysis
          images

          Hunt 1999 lists as lumped into Opuntia engelmannii
       

        Opuntia littoralis (Engelmann) Cockerell var. littoralis
          analysis
          images
       

        Opuntia littoralis (Engelmann) Cockerell var. martiniana (L.Benson) L.Benson
          analysis
          images
       

        Opuntia longispina Haworth
          analysis
          images
       

        Opuntia macrocentra Engelmann
          analysis
          images
       

        Opuntia maldonadensis Arechavaleta
          analysis
          images

          Hunt 1999 lists as Opuntia sp.
       

       
      Opuntia microdasys(Lehmann) Pfeiffer
          analysis
          images
       

       
      Opuntia monacantha Haworth
          analysis
          images
       

        Opuntia pachypus K.Schumann
          entry
          images
       

        Opuntia pachiypus [sic]
          See as Opuntia pachypus
       

        Opuntia paraguayensis K.Schumann
          analysis
          images
       

        Opuntia penicilligera Spegazzini
          analysis
          images
       

        Opuntia phaeacantha Engelmann var. discata (Griffiths) L.Benson & Walkington
          analysis
          images
       

        Opuntia phaeacantha Engelmann var. major Engelmann
          analysis
          images
       

        Opuntia polyacantha Haworth
          analysis
          images
       

        Opuntia ramosissima Engelmann
          analysis
          images
       

        Opuntia ritteri Berger
          analysis
          images
       

        Opuntia robusta Wendl.
          analysis
          images
       

        Opuntia schottii Engelmann
          analysis
          images
       

        Opuntia soehrensii Britton & Rose
          analysis
          images
       

        Opuntia spp. hybrids
          analysis
          images
       

        Opuntia spinosior (Engelmann) Toumey
          analysis
          images
       

        Opuntia stanlyi Engelmann var. kunzei (Rose) L.Benson
          analysis
          images
       

        Opuntia stanlyi var. stanlyi Engelmann
          analysis
          images

          Hunt 1999 lists as lumped into Opuntia emoryi
       

        Opuntia streptacantha Lemaire
          analysis
          images
       

        Opuntia stricta (Haworth.) Haworth.
          analysis
          images
       

        Opuntia stricta (Haworth.) Haworth. var. dillenii (Ker-Gawler) L.Benson
          analysis
          images
       

        Opuntia subulata (Mühlenpfordt) Engelmann
          analysis
          images
       

        Opuntia tomentella Berger
          analysis
          images
       

        Opuntia tomentosa Salm-Dyck
          analysis
          images
       

        Opuntia versicolor Engelmann
          analysis
          images
       

        Opuntia violaceae Engelmann
          analysis
          images

          Hunt 1999 rejects name as outlawed by ICBN and lists as being lumped into Opuntia macrocentra
       

        Opuntia vulgaris Miller
          analysis
          images

          Hunt 1999 rejects name as outlawed by ICBN and lists as being lumped into Opuntia humifusa
       

        Opuntia whipplei Engelmann & Bigelow
          analysis
          images
       

        Opuntia wilcoxii Britton & Rose
          analysis
          images
       

        Pachycereus calvas (Watson) Britton & Rose
          See as Pachycereus pringlei
       

        Pachycereus chrysomallus (Lemaire) Britton & Rose
          analysis
          images
       

        Pachycereus gaumeri Britton & Rose
          See as Pterocereus (?) gaumeri
       

        Pachycereus gigas (Backeberg) Backeberg
          See as Pachycereus weberi
       

        Pachycereus grandis Rose
          analysis
          images
       

        Pachycereus hollianus (Weber) Buxb.
          See as Lemaireocereus hollianus
       

        Pachycereus marginatus (DC) Britton & Rose
          analysis
          images
       

        Pachycereus pecten-aboriginum (DC) Britton & Rose
          analysis
          images
       

        Pachycereus pringlei (S.Wats) Britton & Rose
          analysis
          images
       

        Pachycereus sp.
          analysis
          images
       

        Pachycereus tehuantepecanus T.MacDougall & H.Bravo
          analysis
          images
       

        Pachycereus tetetzo (A.Web.) Ochot.
          See as Neobuxbaumia tetetzo
       

        Pachycereus thurberi Britton & Rose
          See as Lemaireocereus thurberi
       

        Pachycereus weberi (Coulter) Backeberg
          analysis
          images
       

        Parodia concinna ssp. concinna (Monville) Taylor
          See as Notocactus concinnus
       

        Parodia mammulosa ssp. mammulosa (Lemaire) Taylor
          See as Notocactus mammulosa
       

        Parodia mutabilis Backeberg
          analysis
          images
       

        Parodia ottonis ssp. ottonis (Lehmann) Taylor
          See as Notocactus ottonis
       

        Parodia sanguiniflora Backeberg
          analysis
          images
       

        Parodia stuemeri (Werdermann) Backeberg
          analysis
          images
       

        Pelecyphora aselliformis Ehrenberg
          analysis
          images
       

        Pelecyphora pseudopectinata Backeberg
          See as Turbinicarpus pseudopectinatus
       

        Peniocereus fosterianus Cutak
          analysis
          images
       

        Peniocereus greggii (Engelmann) Britton & Rose Lacks analysis.
       

        Peniocereus hirschtianus (Schumann) Hunt
          See as Nyctocereus guatemalensis
       

        Pereskia aculeata Miller
          analysis
          images
       

        Pereskia autumnalis (Eichlam) Rose
          analysis
          images
       

        Pereskia bleo DC
          analysis
          images
       

        Pereskia corrugata Cutak
          analysis
          images
       

        Pereskia cubensis Britton & Rose
          analysis
          images
       

        Pereskia godseffiana (Sandwith) Knuth
          analysis
          images
       

        Pereskia grandiflora Hort.
          analysis
          images
       

        Pereskia grandifolia Haworth
          analysis
          images
       

        Pereskia pititache (Karwinsky) Britton & Rose
          analysis
          images
       

        Pereskia tampicana Weber
          analysis
          images
       

        Pereskiopsis chapistle (Weber) Britton & Rose
          analysis
          images
       

        Pereskiopsis porteri (Brandegee) Britton & Rose
          analysis
          images
       

        Pereskiopsis scandens Britton & Rose
          analysis
          images
       

        Phyllocactus ackermannii Link
          See as Nopalxochia ackermannii
       

        Phyllocactus hybridus
          analysis
          images
       

        Pilocereus chrysacanthus Weber
          analysis
          images
       

        Pilocereus chrysomallus Lemaire
          See as Backebergia militaris
       

        Pilocereus euphorbioides (Haworth) Rümpler
          See as Neobuxbaumia euphorbioides
       

        Pilocereus gaumeri (Britton & Rose) Knuth is NOT synonymous with Pterocereus (?) gaumeri
       

        Pilocereus giganteus Rümpler
          See as Carnegiea gigantea
       

        Pilocereus glaucescens Labouret
          See as Cephalocereus glaucescens
       

        Pilocereus gounellei (Weber) Byles & Rowley
          analysis
          images
       

        Pilocereus guerreronis (Backeberg) Byles & Rowley
          analysis
          images
       

        Pilocereus leucocephalus Poselger
          See as Cephalocereus leucocephalus
       

        Pilocereus maxonii (Rose) Knuth
          analysis
          images
       

        Pilocereus nobilis Haworth
          See as Cephalocereus nobilis
       

        Pilocereus pasacana Weber
          See as Trichocereus pasacana
       

        Pilocereus sargentianus Orcutt
          See as Lophocereus schottii
       

        Pilocereus schottii (Engelmann) Lemaire
          See as Lophocereus schottii
       

        Pilocereus schottii Lemaire
          See as Lophocereus schottii
       

        Pilocereus senilis (Haworth.) Pfeiffer
          See as Cephalocereus senilis
       

        Pilocereus thurberi Rümpler
          See as Lemaireocereus thurberi
       

        Pilosocereus chrysacanthus (Weber) Byles & Rowley
          See as Pilocereus chrysacanthus
       

        Pilosocereus gaumeri (Britton & Rose) Backeberg is NOT synonymous with Pterocereus (?) gaumeri
       

        Pilosocereus glaucescens (Lab.) Byles & Rowley
          See as Cephalocereus glaucescens
       

        Pilosocereus guerronis (Backeberg) Byles & Rowley
          See as Pilocereus guerreronis
       

        Pilosocereus leucocephalus (Poselger) Byles & Rowley
          See as Cephalocereus leucocephalus
       

        Pilosocereus maxonii (Rose) Byles & Rowley
          See as Pilocereus maxonii
       

        Pilosocereus nobilis (Haworth.) Britton & Rose
          See as Cephalocereus nobilis
       

        Polaskia chende (Gosselin) Gibson & Horak
          analysis
          images
       

        Polaskia chichipe (Gosselin) Backeberg
          analysis
          images
       

        Pseudolobivia kermesina Krainz
          analysis
          images

         Hunt 2006 lists lumped as Echinopsis mamillosa.
       

        Pterocereus foetidus Th.MacDougall & F.Miranda
          analysis
          images
       

        Pterocereus (?) gaumeri (Britton & Rose) Th.MacDougall & F.Miranda
          analysis
          images
       

        Puna clavarioides (Pfeiffer)
          analysis
          images

          Hunt 1999 lists as Opuntia clavarioides Pfeiffer
       

        Pyrrhocactus strausianus (Schumann) Backeberg
          analysis
          images

          Hunt 1999 lists as Eriosyce strausiana (Schumann) Kattermann
       

        Quiabentia chacoensis Backeberg
          analysis
          images

          Hunt 1999 lists as being lumped into Quiabentia verticillata
       

        Rauhocereus riosaniensis Backeberg
          analysis
          images
       

        Rathbunia alamosensis (Coulter) Britton & Rose
          See as Stenocereus alamoensis
       

        Rebutia krainziana Werdermann
          analysis
          images
       

        Rebutia margarethae Rausch
          analysis
          images

          Hunt 1999 lists as being lumped into Rebutia padcayensis Rausch
       

        Rebutia marsoneri Werdermann
          analysis
          images
       

        Rebutia miniscula K.Schumann
          analysis
          images
       

        Rebutia padcayensis Rausch Possibly
          See as Rebutia margarethae
       

        Rebutia pseudodeminuta Backeberg
          analysis
          images
       

        Rebutia senilis Backeberg
          analysis
          images
       

        Rhipsalis baccifera (J.S.Mueller) Stearn
          analysis
          images
       

        Rhipsalis capilliformis Weber
          analysis
          images
       

        Rhipsalis cassytha Gaertner
          analysis
          images
       

        Rhipsalis gaertneria var. Mackoy
          analysis
          images
       

        Rhipsalis mesembryanthemoides Standl.
          analysis
          images
       

        Rhipsalis paradoxa Salm-Dyck
          analysis
          images
       

        Rhipsalis regnellii Lindb.
          analysis
          images
       

        Rhipsalis rhombea Pfeiffer
          analysis
          images
       

        Rhipsalis teres (Vell.) Steud.
          analysis
          images
       

        Rhipsalis virgata Weber
          analysis
          images
       

        Rhipsalis warmingiana K.Schumann
          analysis
          images
       

        Rhodocactus spp.
          See as Pereskia spp.
       

        Ritterocereus griseus (Haworth) Backeberg
          See as Lemaireocereus griseus
       

        Ritterocereus hystrix (Haworth) Backeberg
          See as Lemaireocereus hystrix
       

        Ritterocereus montanus (Britton & Rose) Backeberg
          See as Lemaireocereus montanus
       

        Ritterocereus pruinosus (Otto) Backeberg
          See as Lemaireocereus pruinosus
       

        Ritterocereus queretaroensis (Weber) Backeberg
          See as Lemaireocereus queretaroensis
       

        Ritterocereus weberi (Coulter) Backeberg
          See as Pachycereus weberi
       

        Rooksbya euphorbioides (Haworth) Backeberg
          See as Neobuxbaumia euphorbioides
       

        Roseocactus fissuratus
          See as Ariocarpus fissuratus
       

        Roseocereus tephracanthus (Lab.) Backeberg = Trichocereus tephracanthus
          No analysis has been reported but one would seem to be needed.
       

        Schlumbergera X buckleyi
          analysis
          images
       

        Schlumbergia bridgesii auctt (a misapplied name)
          analysis
          images
       

        Schlumbergia russelliana (Hooker) Britton & Rose
          analysis
          images
       

        Selenicereus grandiflorus (Linnaeus) Britton & Rose
          analysis
          images
       

        Selenicereus pteranthus (Link & Otto) Britton & Rose
          analysis
          images
       

        Soehrensia bruchii (Britton & Rose) Backeberg
          See as Trichocereus bruchii
       

        Soehrensia smrziana (Backeberg) Backeberg
          See as Trichocereus smrzianus
       

        Solisia pectinata (B.Stein.) Britton & Rose
          analysis
          images
       

        Solisia pseudopectinata Backeberg
          See as Turbinicarpus pseudopectinata
       

        Stenocactus multicostatus (Hildm.) A.Berger
          See as Echinofossulocactus multicostatus
       

        Stenocereus alamosensis (Coulter) A.Gibson & Horak
          analysis
          images
       

        Stenocereus beneckei (Ehrenberg) Buxbaum
          analysis
          images
       

        Stenocereus chende (Gosselin) Byles & Rowley
          See as Polaskia chende
       

        Stenocereus chichipe (Gosselin) Byles & Rowley
          See as Polaskia chichipe
       

        Stenocereus dumortieri (Scheidw.) Buxbaum
          See as Lemaireocereus dumortieri
       

        Stenocereus eruca (Brandegee) Gibson & Horak
          analysis
          images
       

        Stenocereus griseus (Haworth) Buxbaum
          See as Lemaireocereus griseus
       

        Stenocereus gummosus (Brandegee) A.Gibson & Horak
          See as Machaerocereus gummosus
       

        Stenocereus hystrix (Haworth) Buxbaum
          See as Lemaireocereus hystrix
       

        Stenocereus longispinus (Britton & Rose) Buxbaum
          See as Lemaireocereus longispinus
       

        Stenocereus marginatus (DeCandolle) Buxbaum
          See as Pachycereus marginatus
       

        Stenocereus montanus (Britton & Rose) Buxbaum
          See as Lemaireocereus montanus
       

        Stenocereus pruinosus (Otto) Buxbaum
          See as Lemaireocereus pruinosus
       

        Stenocereus queretaroensis (Weber) Buxbaum
          See as Lemaireocereus queretaroensis
       

        Stenocereus quevedonis (G.Ortega) Buxbaum
          See as Lemaireocereus quevedonis
       

        Stenocereus stellatus (Pfeiffer) Riccobono
          analysis
          images
       

        Stenocereus thurberi (Engelmann) Backeberg
          See as Lemaireocereus thurberi
       

        Stenocereus thurberi (Engelmann) Buxbaum
          See as Lemaireocereus thurberi
       

        Stenocereus treleasei (Britton & Rose) Backeberg
          analysis
          images
       

        Stenocereus weberi (Coulter) Riccobono
          See as Pachycereus weberi
       

        Stenocereus weberi (Coulter) Buxbaum
          See as Pachycereus weberi
       

        Stetsonia coryne (Salm-Dyck) Britton & Rose
          analysis
          images
       

        Strombocactus disciformis (DC) Britton & Rose
          analysis
          images
       

        Tephrocactus articulatus (Pfeiffer) Backeberg
          See as Opuntia articulata
       

        Tephrocactus glomeratus (Haworth) Backeberg
          See as Opuntia glomerata
       

        Thelocactus bicolor (Galeotti) Britton & Rose
          analysis
          images
       

        Thelocactus pseudopectinatus (Backeberg) Anderson & Boke
          See as Turbinicarpus pseudopectinatus
       

        Thelocactus spp.
          analysis
          images
       

        Trichocereus andalgalensis (Weber) Kreuzinger
          analysis
          images
        now lumped with Trichocereus (Echinopsis) huascha
       

        Trichocereus atacamensis (There was never a good description published for this particular binomial.)
          analysis
          images
       

        Trichocereus bridgesii (Salm-Dyck) Britton & Rose
          analysis
          images
       

        Trichocereus bruchii (Britton & Rose) Ritter
          analysis
          images
       

        Trichocereus camaraguensis Cárdenas
          analysis
          images
       

        Trichocereus candicans (Gill.) Britton & Rose
          analysis
          images
       

        Trichocereus cephalomacrostibas Rauh & Backeberg
          analysis
          images
       

        Trichocereus chilensis (Colla) Britton & Rose
          analysis
          images
       

        Trichocereus chiloensis (Colla) Britton & Rose
          See as Trichocereus chilensis
       

        Trichocereus courantii (K.Schumann) Backeberg
          analysis

        Now lumped with Echinopsis candicans
       

        Trichocereus cuzcoensis Britton & Rose
          analysis
          images
       

        Trichocereus fulvilanus Ritter
          analysis
          images
       

        Trichocereus grandiflorus Backeberg
          analysis
          images
       

        Trichocereus grandiflorus (red-flowered) Probably
          See as Trichocereus huascha
       

        Trichocereus huanucoensis Johnson n.n.
          analysis
          images
       

        Trichocereus huascha (Weber) Britton & Rose
          analysis
          images
       

        Trichocereus knuthianus Backeberg
          analysis
          images
       

        Trichocereus lamprochlorus (Lemaire) Backeberg
          analysis
          images
       

        Trichocereus macrogonus (Salm-Dyck) Riccobono
          analysis
          images
       

        Trichocereus manguinii Backeberg
          analysis
          images
       

        Trichocereus pachanoi Britton & Rose
          analysis
          images
       

        Trichocereus pallarensis Ritter
          analysis
          images
       

        Trichocereus pasacana (Weber) Britton & Rose
          analysis
          images
       

        Trichocereus peruvianus Britton & Rose
          analysis
          images
       

        Trichocereus puquiensis Rauh & Backeberg
          analysis
          images
       

        Trichocereus poco Backeberg
          analysis
          images
       

        Trichocereus purpureopilosus Wgt.
          analysis
          images
       

        Trichocereus riomizquensis Ritter
          analysis
          images
       

        Trichocereus santaensis Rauh & Backeberg
          analysis
          images
       

        Trichocereus santiaguensis (Spegazzini) Backeberg
          analysis
          images

      Hunt lists as being absorbed into Echinopsis spachianus
       

        Trichocereus schickendantzii (Weber) Britton & Rose
          analysis
          images
       

        Trichocereus schoenii Rauh & Backeberg
          analysis
          images
       

        Trichocereus scopulicola Ritter
          analysis
          images
       

        Trichocereus scopulicolus Ritter
          See as Trichocereus scopulicola Ritter.

      This was a descriptionless name appearing in Backeberg's Cactus Lexicon, seemingingly to bring the spelling into line with the other Trichocereus species. Backeberg commented that no description was available. Perhaps his dislike/hatred of Ritter caused him to not obtain any of Ritter's three published descriptions?
       

        Trichocereus skottsbergii Backeberg
          analysis
          images
       

        Trichocereus smrzianus
          analysis
          images
       

        Trichocereus spachianus (Lemaire) Riccobono
          analysis
          images
       

        There are many unnamed Trichocereus species.
          Several of which have seen analysis but most of which are in need of analysis. Some lacking analysis have been determined to be active in human bioassays.
      See Part B San Pedro for more details and many more images.
       

        Trichocereus strigosus (Salm-Dyck) Britton & Rose
          analysis
          images
       

        Trichocereus tacaquirensis (Vaupel) Cárdenas ex Backeberg
          analysis
          images
       

        Trichocereus tacnaensis Ritter
          Needs an analysis. Considered a synonym of T. peruvianus by Hunt
       

        Trichocereus taquimbalensis Cárdenas
          analysis
          images
       

        Trichocereus terscheckii (Parmentier) Britton & Rose
          analysis
          images
       

        Trichocereus thelegonoides (Spegazzini) Britton & Rose
          analysis
          images
       

        Trichocereus thelegonus (Weber) Britton & Rose
          analysis
          images
       

        Trichocereus torataensis Ritter
          Needs an analysis Considered a synonym of T. peruvianus by Hunt
       

        Trichocereus tulhuayacensis Ochoa
          analysis
          images
       

        Trichocereus tunariensis Cárdenas
          analysis
          images
       

        Trichocereus uyupampensis Backeberg
          analysis
          images
       

        Trichocereus validus (Monville) Backeberg
          analysis
          images
       

        Trichocereus vollianus Backeberg
          analysis
          images
       

        Trichocereus werdermannianus Backeberg
          analysis
          images
       

        Tunilla soehrensii (Britton & Rose) D.R.Hunt & Iliff
          See as Opuntia soehrensii
       

        A comment on the state of the genus Turbinicarpus.
          analysis
          images
       

        Turbinicarpus alonsoi Glass & Arias
          analysis
          images
       

        Turbinicarpus dickisoniae (Glass & Foster) Glass & Hofer
          See as Turbinicarpus schmiedickeanus ssp. dickisoniae
       

        Turbinicarpus flaviflorus G.Frank & Lau
          See as Turbinicarpus schmiedickeanus ssp. flaviflorus
       

        Turbinicarpus gracilis Glass & Foster
          See as Turbinicarpus schmiedickeanus ssp. gracilis
       

        Turbinicarpus klinkerianus Backeberg & H.J.Jacobsen
          See as Turbinicarpus schmiedickeanus ssp. klinkerianus
       

        Turbinicarpus krainzianus (G.Frank) Backeberg
          See as Turbinicarpus pseudomacrochele ssp. krainzianus
       

        Turbinicarpus lophophoroides (Werdermann) Buxbaum & Backeberg
          analysis
          images
       

        Turbinicarpus macrochele (Werdermann) Buxbaum & Backeberg
          See as Turbinicarpus schmiedickeanus ssp. macrochele
       

        Turbinicarpus macrochele ssp. macrochele var. polaskii P.Lechner & Jantschgi
          See as Turbinicarpus schmiedickeanus f. polaskii
       

        Turbinicarpus macrochele var. schwarzii f. polaskii Kladiwa
          See as Turbinicarpus schmiedickeanus f. polaskii
       

        Turbinicarpus polaskii Backeberg
          See as Turbinicarpus schmiedickeanus f. polaskii
       

        Turbinicarpus pseudomacrochele (Backeberg) F.Buxbaum & Backeberg
          analysis
          images
       

        Turbinicarpus pseudomacrochele ssp. krainzianus (G.Frank) Glass & Foster
          analysis
          images
       

        Turbinicarpus pseudopectinatus (Backeberg) Glass & Foster
          analysis
          images
       

        Turbinicarpus schmiedeckianus
          See as Turbinicarpus schmiedickeanus
       

        Turbinicarpus schmiedickeanus (Bödeker) Buxbaum & Backeberg
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. dickisoniae (Glass & Foster) N.P.Taylor
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. flaviflorus (Frank & Lau) Glass & Foster
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. gracilis (Glass & Foster) Glass
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. klinkerianus (Backeberg & Jacobson) N.P.Taylor
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. macrochele (Werd.) Glass & Foster
          analysis
          images
       

        Turbinicarpus schmiedickeanus f. polaskii
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. rubriflorus (Shurly) Panarotto
          See as Turbinicarpus schmiedickeanus ssp. schwarzii f. rubriflorus
       

        Turbinicarpus schmiedickeanus ssp. schwarzii (Shurly) N.P.Taylor
          analysis
          images
       

        Turbinicarpus schmiedickeanus ssp. schwarzii f. rubriflorus
          analysis
          images
       

        Turbinicarpus schwarzii (Shurly) Backeberg
          See as Turbinicarpus schmiedickeanus ssp. schwarzii
       

        Wiggensia arechavaletai (Schumann ex Spegazzini) D.M.Porter
          analysis
          images
       

        Wiggensia erinacea (Haworth) D.M.Porter
          analysis
          images
       

        Wiggensia macrocantha (Arechavaleta) D.M.Porter
          analysis
          images
       

        Wiggensia tephracantha (Link & Otto) D.M.Porter
          analysis
          images
       

        Zygocactus truncatus (Haworth) Schumann
          analysis
          images
       


    References