Echinocactus

 

There are 10 species or less of Echinocactus coming from southwestern USA and northern Mexico. They are closely related to Ferocactus. They vary in size between small plants to giants 3 feet wide and 6 feet tall (1 by 2 m). Most species are subject to scarring at the base of the column, and this can be partially avoided by providing regular water and fertilizer. The name Echinocactus comes from the Greek for "hedgehog cactus", "cactus" being an alternate name for "thistle".

Echinocactus are easily propagated from seeds, and grow rapidly if they are given abundant water and fertilizer. They can be used for landscaping until after they reach 4 inches in diameter (10 cm), 1 to 2 years after being sown. Young Echinocactus should be protected from direct sunlight, until fully acclimated.

Most Echinocactus are fairly cold resistant, often to below 20°F (-7°C).

Species and varieties
Echinocactus grusonii (Golden Barrel)
Echinocactus horizonthalonius (Devil's-Head Cactus, Biznaga Meloncillo)
Echinocactus parryi
Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus platyacanthus fa. grandis
Echinocactus polycephalus (Cottontop Cactus)
Echinocactus polycephalus ssp. xeranthemoides
Echinocactus texensis (Horse Crippler, Candy Cactus)
Echinocactus acanthodes synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus acanthodes var. rostii synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus acuatus synonym of Parodia erinacea
Echinocactus acuatus var. arechavaletae synonym of Parodia neoarechavaletae
Echinocactus acuatus var. arechavaletai synonym of Parodia ottonis
Echinocactus acuatus var. corynodes synonym of Parodia sellowii
Echinocactus acuatus var. sellowii synonym of Parodia sellowii
Echinocactus alamosanus synonym of Ferocactus alamosanus
Echinocactus albatus synonym of Stenocactus vaupelianus
Echinocactus amambayensis synonym of Parodia ottonis
Echinocactus andreae synonym of Gymnocalycium andreae
Echinocactus anfractuosus var. pentacanthus synonym of Stenocactus obvallatus
Echinocactus anisitsii synonym of Gymnocalycium anisitsii
Echinocactus apricus synonym of Parodia concinna 'apricus'
Echinocactus arechavaletae synonym of Parodia ottonis
Echinocactus arechavaletae synonym of Parodia neoarechavaletae
Echinocactus arizonicus synonym of Ferocactus wislizeni (Fishhook Barrel Cactus)
Echinocactus arrigens synonym of Stenocactus crispatus
Echinocactus aspillagae synonym of Eriosyce aspillagae
Echinocactus asterias synonym of Astrophytum asterias (Sea Urchin Cactus, Sand Dollar Cactus)
Echinocactus aurantiacus synonym of Matucana aurantiaca
Echinocactus auratus synonym of Eriosyce aurata (Sandillón)
Echinocactus aureus synonym of Corryocactus aureus
Echinocactus bahiensis synonym of Discocactus bahiensis
Echinocactus baldianus synonym of Gymnocalycium baldianum (Dwarf chin)
Echinocactus beguinii synonym of Turbinicarpus mandragora ssp. beguinii
Echinocactus berteri synonym of Cumulopuntia sphaerica
Echinocactus bertinii synonym of Austrocactus bertinii
Echinocactus bicolor synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bicolor var. bolaensis synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bicolor var. pottsii synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bicolor var. schottii synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bicolor var. tricolor synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bodenbenderianus synonym of Gymnocalycium bodenbenderianum
Echinocactus bolaensis synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bolansis synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus bolivianus synonym of Copiapoa calderana
Echinocactus borchersii synonym of Oroya borchersii
Echinocactus brachyanthus synonym of Gymnocalycium monvillei ssp. brachyanthum
Echinocactus brevihamatus synonym of Sclerocactus brevihamatus ssp. brevihamatus (Shorthook Fishhook Cactus)
Echinocactus bridgesii synonym of Copiapoa bridgesii (Copiapoa de Bridges)
Echinocactus buckii synonym of Thelocactus tulensis ssp. buekii
Echinocactus buekii synonym of Thelocactus tulensis ssp. buekii
Echinocactus bulbocalyx synonym of Eriosyce bulbocalyx
Echinocactus caespitosus synonym of Parodia concinna
Echinocactus calochlorus synonym of Gymnocalycium calochlorum
Echinocactus capillensis synonym of Gymnocalycium capillense
Echinocactus capricornis synonym of Astrophytum capricorne (Goat's Horns Cactus)
Echinocactus castaneoides synonym of Eriosyce subgibbosa var. subgibbosa
Echinocactus cataphractus synonym of Frailea cataphracta
Echinocactus cephalophorus synonym of Coryphantha retusa
Echinocactus ceratistes synonym of Eriosyce aurata (Sandillón)
Echinocactus chilensis synonym of Eriosyce chilensis var. chilensis
Echinocactus chionanthus synonym of Echinopsis thionantha
Echinocactus chlorophthalmus synonym of Echinocereus cinerascens
Echinocactus chrysacanthion synonym of Parodia chrysacanthion (Golden Powder Puff)
Echinocactus chrysacanthus synonym of Ferocactus chrysacanthus
Echinocactus cinerascens synonym of Copiapoa cinerascens
Echinocactus cinereus synonym of Copiapoa cinerea (Copiapoa de Philippi)
Echinocactus cinnabarina synonym of Echinopsis cinnabarina
Echinocactus clavatus synonym of Eriosyce subgibbosa var. clavata
Echinocactus colombianus synonym of Frailea pumila
Echinocactus concinnus synonym of Parodia concinna
Echinocactus concinnus var. joadii synonym of Parodia concinna
Echinocactus concinnus var. tabularis synonym of Parodia tabularis
Echinocactus conglomeratus synonym of Copiapoa conglomerata
Echinocactus conoideus synonym of Neolloydia conoidea (Chihuahuan Beehive)
Echinocactus conothele synonym of Thelocactus conothelos
Echinocactus conothelos synonym of Thelocactus conothelos
Echinocactus copiapensis synonym of Copiapoa cinerascens
Echinocactus coptonogonus synonym of Stenocactus coptonogonus
Echinocactus coquimbanus synonym of Copiapoa coquimbana (Coquimbano)
Echinocactus corniger synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus cornigerus synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus cornigerus synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus cornigerus synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus corynodes synonym of Parodia sellowii
Echinocactus courantii synonym of Parodia sellowii
Echinocactus coxii synonym of Austrocactus coxii
Echinocactus crassihamatus synonym of Sclerocactus uncinatus ssp. crassihamatus
Echinocactus crispatus synonym of Stenocactus crispatus
Echinocactus cupreatus synonym of Copiapoa echinoides
Echinocactus cylindraceus synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus damsii synonym of Gymnocalycium anisitsii
Echinocactus delaetii synonym of Gymnocalycium delaetii
Echinocactus denudatus synonym of Gymnocalycium denudatum (Spider Cactus)
Echinocactus denudatus var. paraguayensis synonym of Gymnocalycium paraguayense
Echinocactus dichroacanthus synonym of Stenocactus crispatus
Echinocactus digueti synonym of Ferocactus diguetii
Echinocactus disciformis synonym of Strombocactus disciformis
Echinocactus droegeanus synonym of Thelocactus hexaedrophorus
Echinocactus durangensis synonym of Echinomastus unguispinus
Echinocactus echidne synonym of Ferocactus echidne
Echinocactus echinoides synonym of Copiapoa echinoides
Echinocactus ehrenbergii synonym of Thelocactus leucacanthus
Echinocactus elachisanthus synonym of Parodia haselbergii (Scarlet Ball Cactus)
Echinocactus electracanthus synonym of Ferocactus histrix (Electrode Cactus)
Echinocactus electracanthus var. haematacanthus synonym of Ferocactus haematacanthus
Echinocactus elephantidens synonym of Coryphantha elephantidens (Elephants Tooth)
Echinocactus emoryi synonym of Ferocactus emoryi ssp. emoryi (Coville's Barrel Cactus, Emory Barrel, Bisnaga)
Echinocactus emoryi var. chrysacanthus synonym of Ferocactus chrysacanthus
Echinocactus emoryi var. rectispinus synonym of Ferocactus emoryi ssp. rectispinus
Echinocactus erectocentrus synonym of Sclerocactus erectocentrus (Needle Spined Pineapple Cactus)
Echinocactus erectocentrus synonym of Sclerocactus erectocentrus (Needle Spined Pineapple Cactus)
Echinocactus erinaceus synonym of Parodia erinacea
Echinocactus erubescens synonym of Parodia erubescens
Echinocactus escayachensis synonym of Parodia maassii
Echinocactus eyriesii synonym of Echinopsis eyriesii (Pink Easter Lily Cactus)
Echinocactus famatimensis synonym of Echinopsis famatimensis (Orange Cob Cactus)
Echinocactus fascicularis synonym of Haageocereus fascicularis
Echinocactus fidaianus synonym of Rebutia fidaiana
Echinocactus fiebrigii synonym of Rebutia fiebrigii
Echinocactus fiedlerianus synonym of Copiapoa fiedleriana
Echinocactus flavovirens synonym of Ferocactus flavovirens
Echinocactus flexispinus synonym of Ferocactus hamatacanthus ssp. hamatacanthus (Turks Head)
Echinocactus flexispinus synonym of Stenocactus crispatus
Echinocactus floricomus synonym of Parodia mammulosa (Tom Thumb Cactus)
Echinocactus fobeanus synonym of Eriosyce taltalensis ssp. taltalensis
Echinocactus forbesii synonym of Echinopsis rhodotricha
Echinocactus fordii synonym of Ferocactus fordii
Echinocactus formosus synonym of Echinopsis formosa
Echinocactus fossulatus synonym of Thelocactus hexaedrophorus
Echinocactus fricii synonym of Parodia sellowii
Echinocactus fuscus synonym of Eriosyce taltalensis ssp. taltalensis
Echinocactus gibbosus synonym of Gymnocalycium gibbosum
Echinocactus gibbosus var. ferox synonym of Gymnocalycium gibbosum ssp. ferox
Echinocactus gibbosus var. platensis synonym of Gymnocalycium platense
Echinocactus gielsdorfianus synonym of Turbinicarpus gielsdorfianus
Echinocactus glanduliger synonym of Coryphantha glanduligera
Echinocactus glaucescens synonym of Ferocactus glaucescens
Echinocactus glaucus synonym of Sclerocactus glaucus (Uinta Basin Hookless Cactus)
Echinocactus gracillimus synonym of Frailea gracillima
Echinocactus graessneri synonym of Parodia haselbergii ssp. graessneri
Echinocactus grahlianus synonym of Frailea grahliana
Echinocactus grandis synonym of Echinocactus platyacanthus fa. grandis
Echinocactus grossei synonym of Parodia schumanniana
Echinocactus guerkeanus synonym of Gymnocalycium uruguayense
Echinocactus haematacanthus synonym of Ferocactus haematacanthus
Echinocactus haematanthus synonym of Echinopsis haematantha
Echinocactus hamatacanthus var. sinuatus synonym of Ferocactus hamatacanthus ssp. sinuatus
Echinocactus hamatocanthus synonym of Ferocactus hamatacanthus ssp. hamatacanthus (Turks Head)
Echinocactus hamatus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus hankeanus synonym of Eriosyce taltalensis ssp. taltalensis
Echinocactus hartmannii synonym of Discocactus heptacanthus
Echinocactus haselbergii synonym of Parodia haselbergii (Scarlet Ball Cactus)
Echinocactus hastatus synonym of Stenocactus hastatus
Echinocactus hastifer synonym of Thelocactus hastifer
Echinocactus haynei synonym of Matucana haynei
Echinocactus haynii synonym of Matucana haynei
Echinocactus helophorus synonym of Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus herteri synonym of Parodia herteri
Echinocactus hertrichii synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus heteracanthus synonym of Stenocactus ochoterenanus
Echinocactus heterochromus synonym of Thelocactus heterochromus
Echinocactus hexaedrophorus synonym of Thelocactus hexaedrophorus
Echinocactus hexaedrophorus var. decipiens synonym of Thelocactus hexaedrophorus
Echinocactus hexaedrophorus var. droegeanus synonym of Thelocactus hexaedrophorus
Echinocactus hexaedrophorus var. labouretianus synonym of Thelocactus hexaedrophorus
Echinocactus hexaedrophorus var. major synonym of Thelocactus hexaedrophorus
Echinocactus histrix synonym of Ferocactus histrix (Electrode Cactus)
Echinocactus horridus synonym of Eriosyce curvispina
Echinocactus horripilus synonym of Turbinicarpus horripilus
Echinocactus horripilus var. erectocentrus synonym of Sclerocactus erectocentrus (Needle Spined Pineapple Cactus)
Echinocactus hossei synonym of Gymnocalycium hossei
Echinocactus hypocrateriformis synonym of Parodia mammulosa (Tom Thumb Cactus)
Echinocactus hyptiacanthus synonym of Gymnocalycium hyptiacanthum
Echinocactus ingens synonym of Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus intertextus synonym of Echinomastus intertextus
Echinocactus intertextus synonym of Austrocactus coxii
Echinocactus intertextus var. dasyacanthus synonym of Echinomastus intertextus
Echinocactus islayensis synonym of Eriosyce islayensis
Echinocactus joadii synonym of Parodia concinna
Echinocactus johnsonii synonym of Echinomastus johnsonii (Pygmy Barrel Cactus)
Echinocactus johnstonianus synonym of Ferocactus johnstonianus
Echinocactus joossensianum synonym of Gymnocalycium anisitsii
Echinocactus karwinskii synonym of Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus knippelianus synonym of Frailea knippeliana
Echinocactus knuthianus synonym of Turbinicarpus saueri ssp. knuthianus
Echinocactus krausei synonym of Sclerocactus erectocentrus (Needle Spined Pineapple Cactus)
Echinocactus kunzei synonym of Eriosyce kunzei (Cunze)
Echinocactus kurtzianum synonym of Gymnocalycium mostii var. kurtzianum
Echinocactus labouretianus synonym of Thelocactus hexaedrophorus
Echinocactus lamellosus synonym of Stenocactus crispatus
Echinocactus lancifer synonym of Stenocactus crispatus
Echinocactus lecontei synonym of Ferocactus cylindraceus ssp. lecontei (California Barrel Cactus)
Echinocactus leeanus synonym of Gymnocalycium leeanum
Echinocactus lemairei synonym of Melocactus lemairei
Echinocactus leninghausii synonym of Parodia leninghausii (Golden Ball Cactus)
Echinocactus leucacanthus synonym of Thelocactus leucacanthus
Echinocactus leucanthus synonym of Echinopsis leucantha
Echinocactus leucocarpus synonym of Parodia sellowii
Echinocactus leucotrichus synonym of Oreocereus leucotrichus
Echinocactus lewinii synonym of Lophophora williamsii (Peyote, Peyotl, Jiculi)
Echinocactus lindheimeri synonym of Echinocactus texensis (Horse Crippler, Candy Cactus)
Echinocactus linkii synonym of Parodia linkii
Echinocactus lloydii synonym of Stenocactus multicostatus (Brain Cactus)
Echinocactus longihamatus synonym of Ferocactus hamatacanthus ssp. hamatacanthus (Turks Head)
Echinocactus longihamatus var. crassispinus synonym of Ferocactus hamatacanthus ssp. hamatacanthus (Turks Head)
Echinocactus longihamatus var. sinuatus synonym of Ferocactus hamatacanthus ssp. sinuatus
Echinocactus lophothele synonym of Thelocactus rinconensis
Echinocactus maassii synonym of Parodia maassii
Echinocactus macdowelii synonym of Thelocactus macdowelii
Echinocactus mackieanus synonym of Gymnocalycium mackieanum
Echinocactus macrochele synonym of Turbinicarpus macrochele
Echinocactus macrodiscus synonym of Ferocactus macrodiscus ssp. macrodiscus (Biznaga de Dulce)
Echinocactus macrogonus synonym of Parodia sellowii
Echinocactus maldonadensis synonym of Parodia neoarechavaletae
Echinocactus malletianus synonym of Copiapoa malletiana (Copiapoa de Carrizal)
Echinocactus mamillarioides synonym of Eriosyce curvispina 'mammillarioides'
Echinocactus mammulosus synonym of Parodia mammulosa (Tom Thumb Cactus)
Echinocactus mammulosus var. submammulosus synonym of Parodia mammulosa ssp. submammulosa
Echinocactus mandragora synonym of Turbinicarpus mandragora
Echinocactus marginatus synonym of Copiapoa marginata
Echinocactus mathssonii synonym of Sclerocactus uncinatus (Chihuahuan Fishhook Cactus)
Echinocactus mazanensis synonym of Gymnocalycium hossei
Echinocactus megalothelos synonym of Gymnocalycium megalothelos
Echinocactus megarhizus synonym of Sclerocactus scheeri
Echinocactus melanocarpus synonym of Gymnocalycium uruguayense
Echinocactus melocactiformis synonym of Ferocactus histrix (Electrode Cactus)
Echinocactus mesae-verdae synonym of Sclerocactus mesae-verdae
Echinocactus microspermus synonym of Parodia chrysacanthion (Golden Powder Puff)
Echinocactus microspermus synonym of Parodia microsperma
Echinocactus microspermus var. erythranthus synonym of Parodia microsperma
Echinocactus microspermus var. macrancistrus synonym of Parodia microsperma
Echinocactus mihanovichii synonym of Gymnocalycium mihanovichii
Echinocactus mihanovichii synonym of Gymnocalycium mihanovichii cv. 'Hibotan' (Moon Cactus, Ruby Ball)
Echinocactus minusculus synonym of Rebutia minuscula (Red Crown Cactus)
Echinocactus mitis synonym of Eriosyce napina
Echinocactus monvillei synonym of Gymnocalycium monvillei
Echinocactus mostii synonym of Gymnocalycium mostii
Echinocactus muehlenpfordtii synonym of Coryphantha robustispina ssp. scheeri (Pima Pineapple Cactus)
Echinocactus muehlenpfordtii synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus multicostatus synonym of Stenocactus multicostatus (Brain Cactus)
Echinocactus multiflorus synonym of Gymnocalycium monvillei
Echinocactus multiflorus var. hybopleurus synonym of Gymnocalycium hybopleurum
Echinocactus muricatus synonym of Parodia muricata
Echinocactus myriacanthus synonym of Matucana haynei ssp. myriacantha
Echinocactus myriostigma synonym of Astrophytum myriostigma (Bishop's Miter, Bishop's Cap)
Echinocactus napinus synonym of Eriosyce napina
Echinocactus netrelianus synonym of Gymnocalycium netrelianum
Echinocactus neumannianus synonym of Rebutia neumanniana
Echinocactus nidulans synonym of Thelocactus rinconensis
Echinocactus nidus synonym of Eriosyce kunzei (Cunze)
Echinocactus nigricans synonym of Eriosyce limariensis
Echinocactus nigrihorridus synonym of Eriosyce subgibbosa var. nigrihorrida
Echinocactus nigrispinus synonym of Parodia nigrispina
Echinocactus nobilis synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus obrepandus synonym of Echinopsis obrepanda (Violet Easter Lily Cactus)
Echinocactus obvallatus synonym of Stenocactus obvallatus
Echinocactus odieri synonym of Eriosyce odieri
Echinocactus orcuttii synonym of Ferocactus viridescens (San Diego Barrel Cactus)
Echinocactus ornatus synonym of Astrophytum ornatum (Monk's Hood)
Echinocactus orthacanthus synonym of Parodia mammulosa 'orthacanthus'
Echinocactus ottonis synonym of Parodia ottonis
Echinocactus ottonis synonym of Parodia ottonis
Echinocactus ottonis var. tenuispinus synonym of Parodia ottonis
Echinocactus ottonis var. uruguayus synonym of Parodia ottonis
Echinocactus ourselianus synonym of Gymnocalycium monvillei
Echinocactus palmeri synonym of Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus pampeanus synonym of Parodia mammulosa (Tom Thumb Cactus)
Echinocactus papyracanthus synonym of Sclerocactus papyracanthus (Paper-Spined Cactus, Gramma Grass Cactus)
Echinocactus paraguayensis synonym of Gymnocalycium paraguayense
Echinocactus parviflorus synonym of Sclerocactus parviflorus (Smallflower Fishhook Cactus)
Echinocactus pauciareolatus synonym of Parodia sellowii
Echinocactus pectinatus synonym of Echinocereus pectinatus (Comb Hedgehog)
Echinocactus pectiniferus synonym of Echinocereus pectinatus (Comb Hedgehog)
Echinocactus peeblesianus synonym of Pediocactus peeblesianus (Peeble's Navajo Cactus)
Echinocactus peninsulae synonym of Ferocactus peninsulae
Echinocactus pentacanthus synonym of Stenocactus obvallatus
Echinocactus pentlandii synonym of Echinopsis pentlandii
Echinocactus peruvianus synonym of Oroya peruviana
Echinocactus pfeifferi synonym of Ferocactus glaucescens
Echinocactus pflanzii synonym of Gymnocalycium pflanzii
Echinocactus phyllacanthus synonym of Stenocactus phyllacanthus
Echinocactus phymatothelos synonym of Thelocactus rinconensis
Echinocactus piliferus synonym of Ferocactus pilosus var. pilosus (Mexican Fire Barrel Cactus)
Echinocactus pilosus synonym of Ferocactus pilosus var. pilosus (Mexican Fire Barrel Cactus)
Echinocactus pilosus var. stainesii synonym of Ferocactus pilosus var. pilosus (Mexican Fire Barrel Cactus)
Echinocactus platensis synonym of Gymnocalycium platense
Echinocactus platensis var. leptantha synonym of Gymnocalycium leptanthum
Echinocactus platensis var. parvulus synonym of Gymnocalycium parvulum
Echinocactus platensis var. quehliana synonym of Gymnocalycium quehlianum (Rose Plaid Cactus)
Echinocactus platensis var. terweemeanus synonym of Gymnocalycium terweemeanum
Echinocactus poliocentrus synonym of Ferocactus flavovirens
Echinocactus polyacanthus synonym of Parodia langsdorfii
Echinocactus polyancistrus synonym of Sclerocactus polyancistrus (Redspined Fishhook Cactus)
Echinocactus polycephalus var. xeranthemoides synonym of Echinocactus polycephalus ssp. xeranthemoides
Echinocactus polyraphis synonym of Eriosyce villosa (Quisco Peludo)
Echinocactus porrectus synonym of Thelocactus leucacanthus
Echinocactus poselgerianus synonym of Coryphantha poselgeriana
Echinocactus pottsii synonym of Ferocactus pottsi
Echinocactus prolifer synonym of Gymnocalycium calochlorum
Echinocactus pruinosus synonym of Stenocereus pruinosus (Gray Ghost Organ Pipe, Pitayo)
Echinocactus pseudominusculus synonym of Rebutia deminuta
Echinocactus pseudopulcherrimus synonym of Frailea pseudopulcherrima
Echinocactus pubispinus synonym of Sclerocactus pubispinus (Great Basin Fishhook Cactus)
Echinocactus pulchellus synonym of Echinocereus pulchellus
Echinocactus pulcherrimus synonym of Frailea pygmaea
Echinocactus pumilus synonym of Frailea pumila
Echinocactus pygmaeus synonym of Frailea pygmaea
Echinocactus pygmaeus var. phaeodiscus synonym of Frailea phaeodisca
Echinocactus quehlianus synonym of Gymnocalycium quehlianum (Rose Plaid Cactus)
Echinocactus radiosus synonym of Escobaria vivipara (Beehive Cactus)
Echinocactus rafaelensis synonym of Ferocactus echidne
Echinocactus recurvus synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus recurvus var. latispinus synonym of Ferocactus latispinus ssp. latispinus (Devil's Tongue Barrel, Crow's Claw Cactus)
Echinocactus reichei synonym of Eriosyce odieri
Echinocactus reichenbachii synonym of Echinocereus reichenbachii ssp. reichenbachii
Echinocactus rettigii synonym of Oreocereus hempelianus (Achacaño)
Echinocactus rhodacanthus synonym of Denmoza rhodacantha
Echinocactus rhodantherus synonym of Gymnocalycium hossei
Echinocactus rhodophthalmus synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus rinconensis synonym of Thelocactus rinconensis
Echinocactus ritteri synonym of Aztekium ritteri
Echinocactus robustus synonym of Ferocactus robustus
Echinocactus roseanus synonym of Acharagma roseana
Echinocactus rostii synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus rostratus synonym of Eriosyce subgibbosa var. subgibbosa
Echinocactus saglionis synonym of Gymnocalycium saglionis (Giant Chin Cactus)
Echinocactus salinensis synonym of Coryphantha salinensis
Echinocactus sandillon synonym of Eriosyce aurata (Sandillón)
Echinocactus sanguiniflorus synonym of Gymnocalycium baldianum (Dwarf chin)
Echinocactus sanjuanensis synonym of Eriosyce strausiana
Echinocactus santa-maria synonym of Ferocactus santa-maria
Echinocactus saussieri synonym of Thelocactus conothelos
Echinocactus scheeri synonym of Sclerocactus scheeri
Echinocactus schickendantzii synonym of Gymnocalycium schickendantzii
Echinocactus schilinzkyanus synonym of Frailea schilinzkyana
Echinocactus schmiedickeanus synonym of Turbinicarpus schmiedickeanus ssp. schmiedickeanus
Echinocactus schottii synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus schumannianus synonym of Parodia schumanniana
Echinocactus schumannianus var. nigrispinus synonym of Parodia nigrispina
Echinocactus schwebsianus synonym of Parodia schwebsiana
Echinocactus sellowi synonym of Parodia sellowii
Echinocactus sellowii synonym of Parodia sellowii
Echinocactus sellowii var. courantii synonym of Parodia sellowii
Echinocactus sellowii var. macracanthus synonym of Parodia sellowii
Echinocactus sellowii var. macrogonus synonym of Parodia sellowii
Echinocactus sellowii var. turbinatus synonym of Parodia turbinata
Echinocactus sellowii var. typicus synonym of Parodia sellowii
Echinocactus sessiliflorus synonym of Parodia sellowii
Echinocactus setispinus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus setispinus var. cachetianus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus setispinus var. mierensis synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus setispinus var. muehlenpfordtii synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus setispinus var. orcuttii synonym of Thelocactus setispinus var. orcuttii
Echinocactus setispinus var. setaceus synonym of Thelocactus setispinus (Miniature Barrel Cactus)
Echinocactus setispinus var. sinuatus synonym of Ferocactus hamatacanthus ssp. sinuatus
Echinocactus sigelianus synonym of Gymnocalycium capillense
Echinocactus sileri synonym of Sclerocactus sileri (Gypsum cactus)
Echinocactus simpsoni synonym of Pediocactus simpsonii (Mountain Cactus)
Echinocactus simpsoni var. robustior synonym of Pediocactus simpsonii var. robustior
Echinocactus simpsonii synonym of Pediocactus simpsonii var. minor
Echinocactus simpsonii var. minor synonym of Pediocactus simpsonii var. minor
Echinocactus sinuatus synonym of Ferocactus hamatacanthus ssp. sinuatus
Echinocactus smithii synonym of Thelocactus conothelos
Echinocactus spiniflorum synonym of Acanthocalycium spiniflorum
Echinocactus spiralis synonym of Ferocactus latispinus ssp. spiralis
Echinocactus stainesii synonym of Ferocactus pilosus var. pilosus (Mexican Fire Barrel Cactus)
Echinocactus staplesiae synonym of Cephalocereus senilis (Old Man Cactus, Old Man of Mexico, Cabeza de Viejo)
Echinocactus steinmani synonym of Rebutia steinmannii
Echinocactus stellatus synonym of Gymnocalycium stellatum
Echinocactus strausianus synonym of Eriosyce strausiana
Echinocactus strobiliformis synonym of Escobaria chihuahuensis
Echinocactus stuckertii synonym of Gymnocalycium stuckertii
Echinocactus stuemeri synonym of Parodia stuemeri
Echinocactus stuemeri var. tilcarensis synonym of Parodia tilcarensis
Echinocactus subgibbosus synonym of Eriosyce subgibbosa var. subgibbosa
Echinocactus subglaucus synonym of Sclerocactus glaucus (Uinta Basin Hookless Cactus)
Echinocactus submammulosus synonym of Parodia mammulosa ssp. submammulosa
Echinocactus subterraneus synonym of Turbinicarpus mandragora ssp. subterraneus
Echinocactus sulcolanatus synonym of Coryphantha elephantidens (Elephants Tooth)
Echinocactus sulphureus synonym of Stenocactus sulphureus
Echinocactus sutterianus synonym of Gymnocalycium capillense
Echinocactus tabularis synonym of Parodia tabularis
Echinocactus taltalensis synonym of Copiapoa taltalensis (Quisco del Desierto)
Echinocactus tenuispinus synonym of Parodia ottonis
Echinocactus tephracanthus synonym of Parodia sellowii 'tephracantha'
Echinocactus tephracanthus synonym of Harrisia tetracantha
Echinocactus tetracanthus synonym of Parodia erinacea
Echinocactus thionanthus synonym of Echinopsis thionantha
Echinocactus trollietii synonym of Echinomastus unguispinus
Echinocactus tuberisulcatus synonym of Eriosyce curvispina var. tuberisulcata
Echinocactus tubiflorus synonym of Echinopsis tubiflora
Echinocactus tulensis synonym of Thelocactus tulensis
Echinocactus turbiniformis synonym of Strombocactus disciformis
Echinocactus umadeave synonym of Eriosyce umadeave
Echinocactus uncinatus synonym of Sclerocactus uncinatus (Chihuahuan Fishhook Cactus)
Echinocactus uncinatus var. wrightii synonym of Sclerocactus uncinatus ssp. wrightii
Echinocactus unguispinus synonym of Echinomastus unguispinus
Echinocactus uruguayensis synonym of Gymnocalycium uruguayense
Echinocactus valdezianus synonym of Turbinicarpus valdezianus
Echinocactus vaupelianus synonym of Stenocactus vaupelianus
Echinocactus victoriensis synonym of Ferocactus echidne var. victoriensis
Echinocactus viereckii synonym of Turbinicarpus viereckii
Echinocactus violaciflorus synonym of Stenocactus crispatus
Echinocactus viridescens synonym of Ferocactus viridescens (San Diego Barrel Cactus)
Echinocactus viridescens var. cylindraceus synonym of Ferocactus cylindraceus (Compass Barrel Cactus)
Echinocactus visnaga synonym of Echinocactus platyacanthus (Biznaga Gigante)
Echinocactus viviparus synonym of Escobaria vivipara (Beehive Cactus)
Echinocactus vorwerkianus synonym of Parodia sellowii
Echinocactus wagnerianus synonym of Thelocactus bicolor (Glory of Texas)
Echinocactus weberbaueri synonym of Matucana weberbaueri
Echinocactus whipplei synonym of Sclerocactus whipplei (Whipple's Fishhook Cactus)
Echinocactus whipplei var. glaucus synonym of Sclerocactus glaucus (Uinta Basin Hookless Cactus)
Echinocactus whipplei var. spinosior synonym of Sclerocactus spinosior (Desert Valley Fishhook Cactus)
Echinocactus williamsii var. luteus synonym of Lophophora williamsii (Peyote, Peyotl, Jiculi)
Echinocactus wislizeni synonym of Ferocactus wislizeni (Fishhook Barrel Cactus)
Echinocactus wrightii synonym of Sclerocactus uncinatus ssp. wrightii
Echinocactus xeranthemoides synonym of Echinocactus polycephalus ssp. xeranthemoides
Echinocactus zacatecasensis synonym of Stenocactus multicostatus 'zacatecasensis' (Wave Cactus, Brain Cactus)

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