Stenocactus anfractuosus (Mart. ex Pfeiff.) A.Berger ex A.W.Hill species synonym

Echinofossulocactus arrigens f. xiphacanthus (Miq.) Krainz form synonym

Echinofossulocactus parksianus Whitmore species synonym

Stenocactus hastatus (Hopffer) A.Berger ex A.W.Hill species synonym

Echinofossulocactus crispatus f. acroacanthus (Stieber) P.V.Heath form synonym

Echinocactus hastatus Hopffer species homotypic synonym

Echinocactus obvallatus Pfeiff. species synonym

Echinofossulocactus rosasianus Whitmore species synonym

Stenocactus zacatecasensis (Britton & Rose) A.Berger ex A.W.Hill species synonym

Stenocactus phyllacanthus (A.Dietr. & Otto) Hill species synonym

Echinocactus phyllantoides Lem. species synonym

Cactus crispatus Moc. & Sessé ex DC. species synonym

Echinofossulocactus rosasianus (Pechanek) P.V.Heath species synonym

Stenocactus arrigens (Link) A.Berger ex A.W.Hill species synonym

Echinocactus stenogonus K.Schum. species synonym

Stenocactus violaciflorus (Quehl) A.Berger ex A.W.Hill species synonym

Stenocactus tetraxiphus (Otto ex K.Schum.) A.Berger ex A.W.Hill species synonym

Echinocactus guerrainanus Backeb. species synonym

Echinofossulocactus confusus (Britton & Rose) P.V.Heath species synonym

Stenocactus dichroacanthus (Mart. ex Pfeiff.) A.Berger species homotypic synonym

Stenocactus grandicornis (Lem.) A.Berger species homotypic synonym

Stenocactus gladiatus (Link & Otto) A.Berger species homotypic synonym

Stenocactus heteracanthus (Muehlenpf.) A.Berger ex A.W.Hill species synonym

Echinofossulocactus rosasianus Whitmore ex Schmoll species synonym

Echinofossulocactus parksianus Whitmore ex Schmoll species synonym

Echinofossulocactus ochoterenianus (Tiegh.) Whitmore species synonym

Stenocactus crispatus (DC.) Hill species doubtful

Echinofossulocactus pentacanthus var. david-boudetianus Bravo variety synonym

Stenocactus lloydii (Britton & Rose) A.Berger ex A.W.Hill species synonym

Echinocactus coptogonus var. major Lem., 1839 variety synonym

Stenocactus boedekerianus (A.Berger) A.W.Hill species doubtful

Echinofossulocactus sulphureus (A.Dietr.) Y.Itô species synonym

Echinofossulocactus boedekerianus f. ochoterenianus (Tiegel) P.V.Heath form synonym

Echinofossulocactus lexarzae (Bravo) Croizat species synonym

Echinocactus anfractuosus var. ensifer (Lem.) Salm-Dyck variety synonym

Echinocactus multicostatus Rebut species synonym

Echinofossulocactus crispatus f. ensifer (Lem.) P.V.Heath form synonym

Echinocactus multicostatus Daul species synonym

Echinofossulocactus crispatus f. dichroacanthus (Mart. ex Pfeiff.) P.V.Heath form synonym

Echinocactus phyllacanthus var. tricuspidatus C.F.Först. variety synonym

Echinofossulocactus phyllacanthus var. macracanthus Lawr. variety synonym

Echinocactus acifer var. spinosus (Wegener) Wegener variety synonym

Echinofossulocactus phyllacanthus var. micracanthus Lawr. variety synonym

Echinocactus obvallatus var. spinosior Salm-Dyck variety synonym

Stenocactus cadaroyi Backeb. species synonym

Stenocactus bustamantei Bravo ex Miranda species synonym

Echinocactus coptonogonus var. major Lem. variety synonym

Echinocactus ensifer var. pallidus C.F.Först. variety synonym

Echinocactus hastatus var. fulvispinus Allardt ex C.F.Först variety synonym

Echinocactus dietrichiae Heynh. species synonym

Stenocactus lamellosus (A.Dietr.) A.Berger species synonym

Stenocactus kaplanii Halda, Kupcák & Sladk. species synonym

Stenocactus jarmilae Halda & Horácek species synonym

Stenocactus heteracanthus (Muehlenpf.) A.Berger species synonym

Stenocactus hastatus (Hopffer ex K.Schum.) A.Berger species synonym

Stenocactus grandicornis (Lem.) A.Berger ex Backeb. & F.M.Knuth species synonym

Stenocactus gladiatus (Link & Otto) A.Berger ex Backeb. & F.M.Knuth species synonym

Stenocactus dichroacanthus var. violaciflorus (Quehl) Bravo variety synonym

Stenocactus crispatus (DC.) A.Berger species accepted

Stenocactus coptonogonus (Lem.) A.Berger species accepted

Stenocactus confusus (Britton & Rose) F.M.Knuth species synonym

Stenocactus bustamantei Bravo species synonym

Stenocactus boedekerianus A.Berger species accepted

Stenocactus arrigens (Link ex A.Dietr.) A.Berger species synonym

Stenocactus anfractuosus (Mart. ex Pfeiff.) A.Berger species synonym

Stenocactus albatus (A.Dietr.) F.M.Knuth species synonym

Stenocactus acroacanthus (Stieber) W.T.Marshall & T.M.Bock species synonym

Echinocactus phyllacanthus Mart. species synonym

Echinocactus phyllacanthoides var. micracanthus Lem. variety synonym

Echinocactus phyllacanthoides var. macracanthus Lem. variety synonym

Echinocactus phyllacanthoides var. laevior Lem. variety synonym

Echinocactus pentacanthus Lem. species synonym

Echinocactus obvallatus var. lancifer (A.Dietr.) Schelle variety synonym

Echinocactus multicostatus Hildm. ex K.Schum. species synonym

Echinocactus melmsianus Wegener species synonym

Echinocactus lloydii (Britton & Rose) A.Berger species synonym

Echinocactus lancifer A.Dietr. species heterotypic synonym

Echinocactus anfractuosus var. ensiferus (Lem.) Salm-Dyck variety synonym

Echinocactus lamellosus var. fulvescens Salm-Dyck variety synonym

Echinocactus interruptus Scheidw. ex Salm-Dyck species synonym

Efossus lancifer (A.Dietr.) Orcutt species synonym

Efossus lloydii (Britton & Rose) Orcutt species synonym

Echinocactus heteracanthus Muehlenpf. species synonym

Echinocactus grandicornis Lem. species synonym

Echinocactus gladiatus Link & Otto species synonym

Echinocactus grandicornis var. fulvispinus Salm-Dyck variety synonym

Echinocactus flexispinus Salm-Dyck species heterotypic synonym

Echinocactus exsculptus var. dichroacanthus (Mart. ex Pfeiff.) Salm-Dyck variety synonym

Echinocactus ensiferus Lem. species synonym

Echinocactus dietrichii Heynh. species synonym

Echinocactus dichroacanthus Mart. ex Pfeiff. species synonym

Echinocactus wippermannii Muehlenpf. species synonym

Echinocactus crispatus var. horridus DC. variety synonym

Efossus zacatecasensis (Britton & Rose) Orcutt species synonym

Efossus wippermannii (Muehlenpf.) Orcutt species synonym

Efossus violaciflorus (Quehl) Orcutt species synonym

Efossus tricuspidatus (Scheidw.) Orcutt species synonym

Efossus phyllacanthus (A.Dietr. & Otto) Orcutt species synonym

Efossus pentacanthus (Lem.) Orcutt species synonym

Efossus obvallatus (DC.) Orcutt species synonym

Efossus multicostatus (Daul) Orcutt species synonym

Stenocactus wippermannii (Muehlenpf.) A.Berger species synonym

Efossus lamellosus (A.Dietr.) Orcutt species synonym

Stenocactus zacatecasensis (A.Berger) A.Berger species synonym

Efossus heteracanthus (Muehlenpf.) Orcutt species synonym

Efossus hastatus (Hopffer ex K.Schum.) Orcutt species synonym

Efossus grandicornis (Lem.) Orcutt species synonym

Efossus gladiatus (Link & Otto) Orcutt species synonym

Efossus dichroacanthus (Mart. ex Pfeiff.) Orcutt species synonym

Echinocactus coptonogonus Lem. species synonym

Efossus crispatus (DC.) Orcutt species synonym

Echinocactus coptogonus var. major Salm-Dyck, 1850 variety synonym

Efossus coptonogonus (Lem.) Orcutt species synonym

Efossus confusus (Britton & Rose) Orcutt species synonym

Efossus arrigens (Link ex A.Dietr.) Orcutt species synonym

Efossus anfractuosus (Mart. ex Pfeiff.) Orcutt species synonym

Efossus albatus (A.Dietr.) Orcutt species synonym

Brittonrosea zacatecasensis (Britton & Rose) Speg. species synonym

Brittonrosea wippermannii (Muehlenpf.) Speg. species synonym

Brittonrosea violaciflora (Quehl) Speg. species synonym

Brittonrosea phyllacantha (A.Dietr. & Otto) Speg. species synonym

Brittonrosea pentacantha (Lem.) Speg. species synonym

Brittonrosea obvallata (DC.) Speg. species synonym

Brittonrosea multicostata (Hildm.) Speg. species synonym

Brittonrosea lloydii (Britton & Rose) Speg. species synonym

Brittonrosea lancifera (A.Dietr.) Speg. species synonym

Brittonrosea lamellosa (A.Dietr.) Speg. species synonym

Brittonrosea heteracantha (Muehlenpf.) Speg. species synonym

Brittonrosea grandicornis (Lem.) Speg. species synonym

Brittonrosea gladiata (Otto & Link) Speg. species synonym

Brittonrosea dichroacantha (Mart. ex Pfeiff.) Speg. species synonym

Brittonrosea crispata (DC.) Speg. species synonym

Brittonrosea coptonogona (Lem.) Speg. species synonym

Brittonrosea confusa (Britton & Rose) Speg. species synonym

Brittonrosea arrigens (Link ex A.Dietr.) Speg. species synonym

Brittonrosea anfractuosa (Mart. ex Pfeiff.) Speg. species synonym

Brittonrosea albata (A.Dietr.) Speg. species synonym

Echinocactus boedekerianus A.Berger species synonym

Echinocactus biceras Jacobi species synonym

Echinocactus arrigens var. xiphacanthus (Miq.) Schelle variety synonym

Echinocactus arrigens var. atropurpureus Salm-Dyck variety synonym

Echinocactus anfractuosus var. spinosior Monv. ex Lem. variety synonym

Echinocactus anfractuosus var. pentacanthus (Lem.) Salm-Dyck variety synonym

Echinocactus allardtianus A.Dietr. species synonym

Echinocactus albatus A.Dietr. species synonym

Echinocactus acroacanthus Stieber species synonym

Echinofossulocactus zacatecasensis var. moranensis Bravo variety synonym

Echinofossulocactus xiphacanthus (Miq.) Backeb. species synonym

Echinofossulocactus wippermannii (Muehlenpf.) Britton & Rose species synonym

Echinofossulocactus violaciflorus (Quehl) Britton & Rose species synonym

Echinofossulocactus vaupelianus Whitmore species synonym

Echinofossulocactus tricuspidatus (Scheidw.) Britton & Rose species synonym

Echinofossulocactus sulphureus f. hastatus (K.Schum.) P.V.Heath form synonym

Echinofossulocactus spinosus f. vaupelianus (Werderm.) P.V.Heath form synonym

Echinofossulocactus spinosus f. albatus (A.Dietr.) P.V.Heath form synonym

Echinofossulocactus rosasianus Whitmore ex Pechanek species synonym

Echinofossulocactus phyllacanthus (A.Dietr. & Otto) Lawr. species synonym

Echinofossulocactus pentacanthus (Lem.) Britton & Rose species synonym

Echinofossulocactus parksianus C.Schmoll ex Pechanek species synonym

Echinofossulocactus ochoterenaus (Tieg.) Whitmore species synonym

Echinofossulocactus obvallatus var. arrigens (Link ex A.Dietr.) J.Meyrán variety synonym

Echinofossulocactus multicostatus var. zacatecasensis (Britton & Rose) Lodé variety synonym

Echinofossulocactus multicostatus f. lloydii (Britton & Rose) P.V.Heath form synonym

Echinofossulocactus multicostatus f. erectocentrus (Backeb.) P.V.Heath form synonym

Echinofossulocactus multicostatus var. coahuilensis Fric variety synonym

Echinofossulocactus multiareolatus Bravo species synonym

Echinofossulocactus lloydii Britton & Rose species synonym

Echinofossulocactus lexarzai (Bravo) Croizat species synonym

Echinofossulocactus lancifer (A.Dietr.) Britton & Rose species synonym

Echinofossulocactus lamellosus (A.Dietr.) Britton & Rose species synonym

Echinofossulocactus kellerianus Krainz species synonym

Echinofossulocactus heteracanthus (Muehlenpf.) Britton & Rose species synonym

Echinofossulocactus hastatus (Hopffer ex K.Schum.) Britton & Rose species synonym

Echinofossulocactus guerraianus Backeb. species synonym

Echinofossulocactus grandicornis (Lem.) Britton & Rose species synonym

Echinofossulocactus gladiatus (Link & Otto) Lawr. species synonym

Echinofossulocactus flexispinus Bravo species synonym

Echinofossulocactus erectocentrus Backeb. species synonym

Echinofossulocactus ensiformis Lawr. species synonym

Echinofossulocactus dichroacanthus (Mart. ex Pfeiff.) Britton & Rose species synonym

Echinofossulocactus densispinus Tiegh. ex Pechanek species synonym

Echinofossulocactus crispatus f. violaciflorus (Quehl) P.V.Heath form synonym

Echinofossulocactus crispatus f. undulatus (A.Dietr.) P.V.Heath form synonym

Echinofossulocactus crispatus f. tellii (A.Berger) P.V.Heath form synonym

Echinofossulocactus crispatus f. pentacanthus (Lem.) P.V.Heath form synonym

Echinofossulocactus crispatus f. obvallatus (DC.) P.V.Heath form synonym

Echinofossulocactus crispatus f. lancifer (A.Dietr.) P.V.Heath form synonym

Echinofossulocactus crispatus f. lamellosus (A.Dietr.) P.V.Heath form synonym

Echinofossulocactus crispatus f. kellerianus (Krainz) P.V.Heath form synonym

Echinofossulocactus crispatus f. heteracanthus (Muehlenpf.) P.V.Heath form synonym

Echinofossulocactus crispatus f. guerraianus (Backeb.) P.V.Heath form synonym

Echinofossulocactus crispatus f. grandicornis (Lem.) P.V.Heath form synonym

Echinofossulocactus crispatus f. flexispinus (Bravo) P.V.Heath form synonym

Echinofossulocactus crispatus f. ensiferus (Lem.) P.V.Heath form synonym

Echinofossulocactus crispatus f. confusus (Britton & Rose) P.V.Heath form synonym

Echinofossulocactus crispatus f. arrigens (Link ex A.Dietr.) P.V.Heath form synonym

Echinofossulocactus crispatus f. anfractuosus (Mart. ex Pfeiff.) P.V.Heath form synonym

Echinofossulocactus coptonogonus (Lem.) Lawr. species synonym

Echinofossulocactus confusus Britton & Rose species synonym

Echinofossulocactus caespitosus Backeb. species synonym

Echinofossulocactus bustamantei (Bravo) Croizat species synonym

Echinofossulocactus boedekerianus f. rosasianus (Pechanek) P.V.Heath form synonym

Echinofossulocactus boedekerianus f. parksianus (Pechanek) P.V.Heath form synonym

Echinofossulocactus boedekerianus f. ochoterenanus (Tiegel) P.V.Heath form homotypic synonym

Echinofossulocactus boedekerianus f. densispinus (Pechanek) P.V.Heath form synonym

Echinofossulocactus arrigens (Link ex A.Dietr.) Britton & Rose species synonym

Echinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr. species synonym

Echinofossulocactus albatus (A.Dietr.) Britton & Rose species synonym

Echinofossulocactus acroacanthus (Stieber) G.D.Rowley species synonym

Echinocactus zacatecasensis A.Berger species synonym

Echinocactus xiphacanthus Miq. species synonym

Echinocactus violaciflorus Quehl species synonym

Echinocactus vaupelianus Werderm. species synonym

Ferocactus vaupelianus (Werderm.) N.P.Taylor species synonym

Echinocactus undulatus A.Dietr. species synonym

Echinocactus tricuspidatus Scheidw. species synonym

Ferocactus phyllacanthus (A.Dietr. & Otto) N.P.Taylor species synonym

Echinocactus sulphureus A.Dietr. species synonym

Echinocactus spinosus Wegener species synonym

Echinocactus sphaerocephalus Muehlenpf. species synonym

Ferocactus crispatus (DC.) N.P.Taylor species synonym

Ferocactus coptonogonus (Lem.) N.P.Taylor species synonym

Ferocactus coptogonus (Lem.) N.P.Taylor species synonym

Stenocactus violaciflorus (Quehl) A.Berger species synonym

Stenocactus vaupelianus (Werderm.) F.M.Knuth species accepted

Stenocactus tricuspidatus (Scheidw.) A.Berger ex Backeb. & F.M.Knuth species synonym

Stenocactus tetraxiphus (Otto ex K.Schum.) A.Berger species synonym

Stenocactus sulphureus (A.Dietr.) Bravo species accepted

Stenocactus phyllacanthus (A.Dietr. & Otto) A.Berger species accepted

Stenocactus pentacanthus subsp. tulensis Halda, Kupcák & Sladk. subspecies synonym

Stenocactus ochoterenaus Tiegel species synonym

Stenocactus ochoterenanus Tiegel species accepted

Stenocactus obvallatus (DC.) A.Berger species accepted

Stenocactus multicostatus subsp. zacatecasensis (Britton & Rose) U.Guzmán & Vázq.-Ben. subspecies synonym

Stenocactus magnificus Halda & Horácek species synonym

Stenocactus lloydii A.Berger species synonym

Stenocactus lexarzai Bravo & Miranda species synonym

Stenocactus lancifer (A.Dietr.) A.Berger ex Backeb. & F.M.Knuth species synonym

Stenocactus dichroacanthus (Mart. ex Pfeiff.) A.Berger ex Backeb. & F.M.Knuth species synonym

Stenocactus dichroacanthus subsp. dichroacanthus subspecies synonym

Echinocactus phyllacanthoides Lem. species synonym

Echinocactus obvallatus DC. species synonym

Echinocactus anfractuosus Mart. ex Pfeiff. species synonym

Echinocactus lamellosus A.Dietr. species synonym

Echinocactus crispatus DC. species synonym

Echinocactus coptogonus Lem. species synonym

Echinocactus arrigens Link ex A.Dietr. species synonym

Echinofossulocactus zacatecasensis Britton & Rose species synonym

Echinofossulocactus sulphureus (A.Dietr.) J.Meyrán species synonym

Echinofossulocactus spinosus (Wegener) P.V.Heath species synonym

Echinofossulocactus obvallatus (DC.) Lawr. species synonym

Echinofossulocactus multicostatus (Daul) Britton & Rose species synonym

Echinofossulocactus crispatus (DC.) Lawr. species synonym

Echinofossulocactus boedekerianus (A.Berger) Croizat species synonym

Stenocactus pentacanthus (Lem.) A.Berger species synonym

Stenocactus multicostatus (Hildm.) A.Berger species accepted

Stenocactus multicostatus subsp. multicostatus subspecies synonym

Echinocactus hastatus Hopffer ex K.Schum. species synonym

Echinofossulocactus vaupelianus (Werderm.) Oehme species synonym

Echinocactus anfractuosus Mart. species homotypic synonym

Echinofossulocactus lexarzai L.Bravo species synonym

Stenocactus rectispinus Schmoll ex Bravo species synonym

Echinocactus violaciflorus (Quehl) Britton & Rose species synonym

Echinofossulocactus grandicornus Britton & A.Rose species synonym

Stenocactus lexarzae Bravo species synonym

Echinocactus dichroacanthus Mart. species homotypic synonym

Melocactus gladiatus Link & Otto species synonym

Stenocactus pentacanthus (Lem.) A.Berger ex A.W.Hill species synonym

Echinocactus arrigens Link species homotypic synonym

Stenocactus coptonogonus (Lem.) Hill species synonym

Echinocactus kellerianus Krainz species synonym

Echinocactus tetraxiphus Otto ex K.Schum. species synonym

Echinofossulocactus tellii Y.Itô species synonym

Stenocactus wippermannii (Muehlenpf.) A.Berger ex A.W.Hill species synonym

Echinocactus tellii A.Berger species synonym

Echinocactus ensifer Lem. species synonym

Cactus obvallatus Moc. & Sessé ex DC. species heterotypic synonym

Echinocactus confusus Britton species synonym

Echinocactus acifer Hopffer ex C.F.Först. species synonym

Stenocactus ochoterenianus Tiegel species accepted

Stenocactus multicostatus (Hildm. ex K.Schum.) Hill species doubtful

Echinocactus hastatus var. fulvispinus Allardt variety homotypic synonym

Echinofossulocactus coptonogonus var. major Lawr. variety synonym

Echinocactus phyllacanthus A.Dietr. & Otto species synonym

Stenocactus rectispinus Schmoll species synonym

Stenocactus obvallatus (DC.) Hill species doubtful

Echinocactus tetraxiphus Otto species synonym

Cactus crispatus Moc. & Sessé species homotypic synonym

Echinofossulocactus tetraxiphus (Otto ex K.Schum.) Oehme species synonym

Stenocactus lancifer (A.Dietr.) A.Berger species homotypic synonym

Brittonrosea hastata (Hopffer ex K.Schum.) Speg. species synonym

Echinocactus anfractuosus var. spinosior Monv. variety homotypic synonym

Echinofossulocactus densispinus Tiegh. species homotypic synonym

Stenocactus tricuspidatus (Scheidw.) A.Berger species homotypic synonym

Cactus obvallatus Moc. & Sessé species homotypic synonym

Echinocactus acifer Hopffer species homotypic synonym

Echinocactus interruptus Scheidw. species homotypic synonym

Echinofossulocactus densispinus Schmoll species synonym

Stenocactus lamellosus (A.Dietr.) A.Berger ex A.W.Hill species synonym

Stenocactus dichroacanthus subsp. violaciflorus (Quehl) U.Guzmán & Vázq.-Ben. subspecies synonym

Echinofossulocactus multicostatus f. zacatecasensis (Britton & Rose) P.V.Heath form synonym