| Echinopsis achatina Hitchc. |
Unresolved |
 |
TRO |
| Echinopsis adolfofriedrichii G.Moser |
Accepted |
 |
WCSP (in review) |
| Echinopsis adolphofriedrichii Moser |
Synonym |
 |
TRO |
| Echinopsis albispina Roth |
Synonym |
 |
WCSP (in review) |
| Echinopsis albispinosa K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis albispinosa var. fuauxiana Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis amblayensis (Rausch) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis amblayensis var. albispina (Rausch) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis amoena A.Dietr. |
Synonym |
 |
WCSP (in review) |
| Echinopsis amoenissima Wender. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis ancistrophora Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis ancistrophora subsp. arachnacantha (Buining & Ritter) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. arachnacantha (Buining & F. Ritter) Rausch |
Accepted |
 |
TRO |
| Echinopsis ancistrophora subsp. cardenasiana (Rausch) Rausch |
Accepted |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. grandiflora (Rausch) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. hamatacantha (Backeb.) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. kratochviliana (Backeb.) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. megalocephala (Rausch) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora subsp. pojoensis (Rausch) Rausch |
Accepted |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. polyancistra (Backeb.) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ancistrophora var. torrecillasensis (Cárdenas) Rausch |
Synonym |
 |
TRO |
| Echinopsis angelesiae (R.Kiesling) G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis antezanae (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis apiculata Linke [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis arachnacantha (Buining & Ritter) Friedrich |
Accepted |
 |
WCSP (in review) |
| Echinopsis arachnacantha var. densiseta Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis arachnacantha subsp. densiseta (Rausch) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis arachnacantha var. sulphurea (R.Vásquez) G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis arachnacantha subsp. sulphurea (R.Vásquez) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis arachnacantha var. torrecillasensis (Cárdenas) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis arachnacantha subsp. torrecillasensis (Cárdenas) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis arachnacantha var. vallegrandensis Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis arboricola (Kimnach) Mottram |
Accepted |
 |
WCSP (in review) |
| Echinopsis arebaloi Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis atacamensis (Phil.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis atacamensis subsp. atacamensis |
Accepted |
 |
TRO |
| Echinopsis atacamensis subsp. pasacana (F.A.C.Weber) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis aurantiaca (Rausch) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurata Salm-Dyck |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea Britton & Rose |
Accepted |
 |
WCSP (in review) |
| Echinopsis aurea var. albiflora (Rausch) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. callochrysea (F.Ritter) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. catamarcensis (F.Ritter) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. depressicostata (F.Ritter) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. dobeana (Dölz) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. fallax (Oehme) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea subsp. fallax (Oehme) M.Lowry |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. lariojensis (F.Ritter) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. quinensis Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. quinesensis Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea subsp. shaferi (Britton & Rose) M.Lowry |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. sierragrandensis (Rausch) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis aurea var. tortuosa (Rausch) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis ayopayana F.Ritter & Rausch |
Unresolved |
 |
WCSP (in review) |
| Echinopsis backebergii Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis baldiana Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis beckmannii Döll |
Unresolved |
 |
TRO |
| Echinopsis berlingii Y.Itô [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis bertramiana (Backeb.) Friedrich & G.D. Rowley |
Accepted |
 |
TRO |
| Echinopsis boeckmannii E.S. Burgess |
Unresolved |
 |
TRO |
| Echinopsis boedekeriana Harden |
Synonym |
 |
WCSP (in review) |
| Echinopsis bolligeriana Mächler & Helmut Walter |
Accepted |
 |
WCSP (in review) |
| Echinopsis bonnieae (Halda, Hogan & Janeba) Halda & Malina |
Accepted |
 |
WCSP (in review) |
| Echinopsis botuibensis F. Ritter |
Unresolved |
 |
TRO |
| Echinopsis boutillieri Parmentier in Foerster |
Unresolved |
 |
TRO |
| Echinopsis boyuibensis F.Ritter |
Accepted |
 |
WCSP (in review) |
| Echinopsis brasiliensis Fric ex Pazout |
Synonym |
 |
WCSP (in review) |
| Echinopsis breviflora (Backeb.) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis brevispina (F.Ritter) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis bridgesii Salm-Dyck |
Accepted |
 |
WCSP (in review) |
| Echinopsis bridgesii subsp. yungasensis (F.Ritter) P.J.Braun & Esteves |
Accepted |
 |
WCSP (in review) |
| Echinopsis bruchii (Britton & Rose) H.Friedrich & Glaetzle |
Synonym |
 |
WCSP (in review) |
| Echinopsis bruchii (Britton & Rose) A. Cast. & Lelong |
Synonym |
 |
TRO |
| Echinopsis × cabrerae (R.Kiesling) G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis cachensis Speg. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis caespitosa J.A.Purpus |
Synonym |
 |
WCSP (in review) |
| Echinopsis caineana (Cárdenas) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis cajasensis F.Ritter |
Accepted |
 |
WCSP (in review) |
| Echinopsis calliantholilacina Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis callichroma Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis calochlora K.Schum. |
Accepted |
 |
WCSP (in review) |
| Echinopsis calochlora var. claviformis Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis calorubra Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis camarguensis (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis campylacantha Pfeiff. & Otto |
Synonym |
 |
WCSP (in review) |
| Echinopsis campylacantha var. leucantha Labour. |
Synonym |
 |
TRO |
| Echinopsis campylacantha var. stylodes Monv. |
Synonym |
 |
TRO |
| Echinopsis candicans (Gillies ex Salm-Dyck) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis candicans var. gladiata (Lem.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis candicans var. tenuispina (Pfeiff.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis cardenasiana (Rausch) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis carmineiflora (Hoffm. & Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis catamarcensis (Speg.) F.A.C.Weber |
Accepted |
 |
WCSP (in review) |
| Echinopsis caulescens (F.Ritter) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis cavendishii Hortus |
Unresolved |
 |
TRO |
| Echinopsis cephalomacrostibas (Werderm. & Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis cerdana Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis chacoana Schütz |
Synonym |
 |
WCSP (in review) |
| Echinopsis chacoana var. spinosior F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis chalaensis (Rauh & Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis chamaecereus H.Friedrich & Glaetzle |
Accepted |
 |
WCSP (in review) |
| Echinopsis chereauniana Schlumb. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis chiloensis (Colla) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis chiloensis var. eburnea (Phil.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis chiloensis subsp. litoralis (Johow) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis chiloensis subsp. skottsbergii (Backeb. ex Skottsb.) G.J.Charles |
Accepted |
 |
WCSP (in review) |
| Echinopsis chionantha (Speg.) Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis chrysantha Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis chrysochete Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis cinnabarina (Hook.) Labour. |
Accepted |
 |
WCSP (in review) |
| Echinopsis clavata (F.Ritter) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis cochabambensis Backeb. |
Accepted |
 |
WCSP (in review) |
| Echinopsis colmariensis K. Schum. |
Unresolved |
 |
TRO |
| Echinopsis colmarii Neubert |
Unresolved |
 |
TRO |
| Echinopsis comarapana Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis conaconensis (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis coquimbana (Molina) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis coquimbana Hoffmann |
Synonym |
 |
TRO |
| Echinopsis cordobensis Speg. |
Synonym |
 |
WCSP (in review) |
| Echinopsis coronata Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis cotacajesii Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis courantii (K.Schum.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis crassicaulis (R.Kiesling) H.Friedrich & Glaetzle |
Accepted |
 |
WCSP (in review) |
| Echinopsis cristata Salm-Dyck [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis cristata var. purpurea Hook. |
Synonym |
 |
WCSP (in review) |
| Echinopsis cuzcoensis (Britton & Rose) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis cylindracea (Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis decaisniana (Lem.) Walp. |
Synonym |
 |
WCSP (in review) |
| Echinopsis deminuta F.A.C.Weber |
Unresolved |
 |
WCSP (in review) |
| Echinopsis densispina Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis densispina f. albiflora (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. albolanata (Buining) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina var. amblayensis (Rausch) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. aurantiaca (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. blossfeldii (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. chlorogona (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. cinnabarina (Backeb. ex Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. citriflora (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. citriniflora (Backeb.) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. cupreoviridis (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. eburnea (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. haematantha (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. kraussiana (Backeb.) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina var. kreuzingeri (Fric ex Buining) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. leucomalla (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. pectinifera (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina var. pectinifera (Wessner) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. purpureostoma (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina var. rebutioides (Backeb.) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. rubroviridis (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. sanguinea (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. setosa (Backeb.) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. subcarnea (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. sublimiflora (Backeb. ex Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. sufflava (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. versicolor (Wessner) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis densispina f. wessneriana (Fritzen) Buining |
Synonym |
 |
WCSP (in review) |
| Echinopsis derenbergii Fric |
Accepted |
 |
WCSP (in review) |
| Echinopsis derenbergii var. blossfeldii Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis deserticola (Werderm.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis deserticola var. fulvilana (F.Ritter) A.E.Hoffm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis dobeana (Dölz) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis × droegeana R.Mey. ex Britton & Rose [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis ducis-pauli C.F.Först. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis dumeliana Cels ex Salm-Dyck |
Unresolved |
 |
TRO |
| Echinopsis dumesniliana Cels ex Schumann |
Unresolved |
 |
TRO |
| Echinopsis × duvallii R.Mey. ex Britton & Rose [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis elegans Seidenf. |
Unresolved |
 |
TRO |
| Echinopsis elongata (Backeb.) Friedrich |
Unresolved |
 |
WCSP (in review) |
| Echinopsis escayachensis (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis eyriesii (Turpin) Pfeiff. & Otto |
Accepted |
 |
WCSP (in review) |
| Echinopsis eyriesii (Turpin) Zucc. |
Synonym |
 |
TRO |
| Echinopsis eyriesii var. grandiflora Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis eyriesii var. pudantii P.Fourn. |
Synonym |
 |
WCSP (in review) |
| Echinopsis eyriesii var. schelhasii (Pfeiff. & Otto) P.Fourn. |
Synonym |
 |
WCSP (in review) |
| Echinopsis fabrisii (R.Kiesling) G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis falcata Rumpler |
Unresolved |
 |
TRO |
| Echinopsis fallax (Oehme) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. albiflora (Rausch) Lambinon |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. callochrysea (F.Ritter) Lambinon |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. catamarcensis (F.Ritter) Lambinon |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. cylindrica (Backeb.) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. depressicostata (F.Ritter) Lambinon |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. shaferi (Britton & Rose) Lambinon |
Synonym |
 |
WCSP (in review) |
| Echinopsis fallax var. tortuosa (Rausch) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis famatimensis (Speg.) Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis ferox (Britton & Rose) Backeb. |
Accepted |
 |
WCSP (in review) |
| Echinopsis ferox var. potosina (Werderm.) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis ferox subsp. potosina (Werderm.) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis fiebrigii Gürke |
Synonym |
 |
WCSP (in review) |
| Echinopsis fobeana Rchb. f. |
Unresolved |
 |
TRO |
| Echinopsis forbesii A.Dietr. |
Synonym |
 |
WCSP (in review) |
| Echinopsis formosa (Pfeiff.) Jacobi ex Salm-Dyck |
Accepted |
 |
WCSP (in review) |
| Echinopsis formosa var. albispina Weber ex Schelle |
Synonym |
 |
TRO |
| Echinopsis formosa subsp. bruchii (Britton & Rose) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis formosa subsp. randallii (Cárdenas) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis formosissima Labour. |
Synonym |
 |
WCSP (in review) |
| Echinopsis fraciliflora Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis fricii (Rausch) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis friedrichii G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis fulvilana (F.Ritter) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis gemmata (Otto ex Pfeiff.) K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis gemmata var. decaisniana (Lem.) Schelle |
Synonym |
 |
WCSP (in review) |
| Echinopsis gemmata var. schelhasii (Pfeiff. & Otto) Schelle |
Synonym |
 |
WCSP (in review) |
| Echinopsis gibbosa Pfeiff. ex C.F.Först. |
Synonym |
 |
WCSP (in review) |
| Echinopsis gigantea R.Mey. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis gladispina Y.Itô |
Synonym |
 |
WCSP (in review) |
| Echinopsis glauca (F.Ritter) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis glauca f. pendens (F.Ritter) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis glaucina Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis graciliflora Cárdenas |
Unresolved |
 |
TRO |
| Echinopsis grandiflora Linke |
Synonym |
 |
WCSP (in review) |
| Echinopsis grandis (Britton & Rose) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis haageana Linke |
Unresolved |
 |
TRO |
| Echinopsis haageanus Linke |
Synonym |
 |
WCSP (in review) |
| Echinopsis haematantha (Speg.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis haematantha var. chorrillosensis (Rausch) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis haematantha var. elongata (Backeb.) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis haematantha var. hualfinensis (Rausch) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis haematantha var. jasimanensis (Rausch) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis haematantha var. kuehnrichii (Fric) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis hahniana (Backeb.) R.S.Wallace |
Accepted |
 |
WCSP (in review) |
| Echinopsis hamatacantha Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis hamatispina Werderm. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis hammerschmidii Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis hardeniana Boed. |
Synonym |
 |
WCSP (in review) |
| Echinopsis hempeliana Gürke |
Unresolved |
 |
WCSP (in review) |
| Echinopsis herbasii Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis hertrichiana (Backeb.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis herzogiana (Cárdenas) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis hossei Werderm. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis hualfinensis (Rausch) H.Friedrich & Glaetzle |
Synonym |
 |
WCSP (in review) |
| Echinopsis huascha (Web.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis huascha var. auricolor (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis huascha subsp. robusta (Rausch) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis huascha var. rubriflora (Web.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis huotii (Cels.) Labour. |
Accepted |
 |
WCSP (in review) |
| Echinopsis hyalacantha (Speg.) Werderm. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis hystrichoides F.Ritter |
Accepted |
 |
WCSP (in review) |
| Echinopsis ibicuatensis Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis × imperialis Hummelinck [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis ingens (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis intricatissima Speg. |
Synonym |
 |
WCSP (in review) |
| Echinopsis jamessiana Salm-Dyck |
Unresolved |
 |
TRO |
| Echinopsis kermensiana Y. Itô |
Unresolved |
 |
TRO |
| Echinopsis kermesina (Krainz) Krainz |
Synonym |
 |
WCSP (in review) |
| Echinopsis kladiwaiana Rausch |
Accepted |
 |
WCSP (in review) |
| Echinopsis klimpeliana Weidlich & Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis klingleriana Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis knuthiana (Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis korethroides Werderm. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis kratochviliana Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis kuehnrichii (Fric) H.Friedrich & Glaetzle |
Unresolved |
 |
WCSP (in review) |
| Echinopsis × lagemannii A.Dietr. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis lageniformis (C.F.Först.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis lamprochlora (Lem.) H.Friedrich & Glaetzle |
Accepted |
 |
WCSP (in review) |
| Echinopsis lateritia Gürke |
Accepted |
 |
WCSP (in review) |
| Echinopsis lecoriensis Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. |
Accepted |
 |
WCSP (in review) |
| Echinopsis leucantha var. brasiliensis Speg. |
Synonym |
 |
WCSP (in review) |
| Echinopsis leucantha var. volliana Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis leucomalla (Wessner) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis leucorhodantha Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis litoralis (Johow) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis lobivioides Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis longispina (Britton & Rose) Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis macrodiscus Fric [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis macrogona (Salm-Dyck) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis mamillosa Gürke |
Accepted |
 |
WCSP (in review) |
| Echinopsis mamillosa var. flexilis Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis mamillosa var. kermesina (Krainz) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis mamillosa subsp. silvatica (F.Ritter) P.J.Braun & Esteves |
Accepted |
 |
WCSP (in review) |
| Echinopsis manguinii (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis marsoneri Werderm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis mataranensis Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis maximiliana Heyder ex A.Dietr. |
Accepted |
 |
WCSP (in review) |
| Echinopsis maximiliana subsp. caespitosa (J.A.Purpus) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis melanacantha A.Dietr. |
Synonym |
 |
WCSP (in review) |
| Echinopsis melanopotamica Speg. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis meyeri Heese |
Accepted |
 |
WCSP (in review) |
| Echinopsis mieckleyi R.Mey. |
Accepted |
 |
WCSP (in review) |
| Echinopsis mihanovichii Fric & Gürke [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis minuana Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis minuscula Rebut ex K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis mirabilis Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis misleyi Labour. |
Synonym |
 |
WCSP (in review) |
| Echinopsis mistiensis Werderm. & Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis molesta Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis × muelleri Hirscht [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis multiplex Pfeiff. & Otto |
Synonym |
 |
WCSP (in review) |
| Echinopsis multiplex (Pfeiff.) Zucc. |
Synonym |
 |
TRO |
| Echinopsis multiplex var. monstrosa (Pfeiff) Gürke |
Synonym |
 |
WCSP (in review) |
| Echinopsis narvaecensis (Cárdenas) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis nealeana (Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis × nigerrima Schelle [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis nigra Backeb. |
Accepted |
 |
WCSP (in review) |
| Echinopsis nigricans Linke |
Synonym |
 |
WCSP (in review) |
| Echinopsis nigripilis (Phil.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis nigrispina (Lem.) Walp. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis nodosa Linke |
Synonym |
 |
WCSP (in review) |
| Echinopsis obliqua Cels ex Weber |
Unresolved |
 |
TRO |
| Echinopsis obrepanda (Salm-Dyck) K.Schum. |
Accepted |
 |
WCSP (in review) |
| Echinopsis obrepanda var. aguilari (R.Vásquez) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis obrepanda var. calorubra (Cárdenas) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis obrepanda subsp. calorubra (Cárdenas) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis obrepanda var. fiebrigii (Gürke) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis obrepanda var. mizquensis (Rausch) Rausch |
Synonym |
 |
WCSP (in review) |
| Echinopsis obrepanda subsp. obrepanda |
Accepted |
 |
TRO |
| Echinopsis obrepanda subsp. tapecuana (F.Ritter) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis ochroleuca Miq. |
Unresolved |
 |
TRO |
| Echinopsis octacantha Muehlenpf. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis oligotricha (Cárdenas) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis omasensis (Ostolaza & Mischler) Ostolaza |
Synonym |
 |
WCSP (in review) |
| Echinopsis oreopepon Wedermann |
Synonym |
 |
TRO |
| Echinopsis oreopogon (Speg.) Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis orozasana F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis orurensis (Cárdenas) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis orurensis var. albiflora (Cárdenas) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis oxygona (Link) Zucc. ex Pfeiff. & Otto |
Accepted |
 |
WCSP (in review) |
| Echinopsis oxygona (Link) Zucc. |
Synonym |
 |
TRO |
| Echinopsis oxygona f. brevispina F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis oxygona f. grandiflora (Rud.Mey.) J.Ullmann |
Synonym |
 |
WCSP (in review) |
| Echinopsis pachanoi (Britton & Rose) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis pampana (Britton & Rose) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis pamparuizii Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis paraguayensis Mundt ex F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis paraguayensis Mundt |
Synonym |
 |
TRO |
| Echinopsis pasacana (F.A.C.Weber) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis pecheretiana (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis pectinata (Scheidw.) J.H.Fennell |
Synonym |
 |
WCSP (in review) |
| Echinopsis pectinata var. reichenbachii (Terscheck ex Walp.) Salm-Dyck |
Synonym |
 |
WCSP (in review) |
| Echinopsis peitscherana (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis pelecyrhachis Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis pelecyrhachis var. lobivioides (Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii (Hook.) Salm-Dyck ex A.Dietr. |
Accepted |
 |
WCSP (in review) |
| Echinopsis pentlandii var. albiflora Weidlich |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. forbesii (A.Dietr.) Hildm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii subsp. hardeniana (Boed.) G.Navarro |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii subsp. larae (Cárdenas) G.Navarro |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. longispina Rümpler |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. maximiliana Heyder |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. ochroleuca Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. tuberculata (Niedt) Schelle |
Synonym |
 |
WCSP (in review) |
| Echinopsis pentlandii var. vitellina Hildm. ex K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis pereziensis Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis peruviana (Britton & Rose) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis philippi (Regel & Schmidt) Nicolson |
Synonym |
 |
TRO |
| Echinopsis picta (Lem.) Walp. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis poco (Backeb.) Fiebrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis poco var. albiflora (Cárdenas) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis poco var. friciana (Cárdenas) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis pojoensis Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis polyancistra Backeb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis × poselgeri R.Mey. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis potosina Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis pseudocachensis (Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis pseudocandicans (R.Kiesling) H.Friedrich & Glaetzle |
Synonym |
 |
WCSP (in review) |
| Echinopsis pseudomamillosa Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis pseudominuscula Speg. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis pseudominusculus Speg. |
Unresolved |
 |
TRO |
| Echinopsis pudantii Pfersdorf ex Roth |
Synonym |
 |
WCSP (in review) |
| Echinopsis pugionacantha Rose & Boed. |
Accepted |
 |
WCSP (in review) |
| Echinopsis pugionacantha subsp. haemantha (Rausch) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis pugionacantha subsp. rossii (Boed.) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis pulchella Zucc. ex C.F.Först. |
Synonym |
 |
WCSP (in review) |
| Echinopsis puquiensis (Rauh & Backeb.) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis purpureopilosa (Weing.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis pygmaea R.E.Fr. |
Unresolved |
 |
WCSP (in review) |
| Echinopsis quadratiumbonata (F.Ritter) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis × quehlii R.Mey. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis quinesensis (Rausch) H.Friedrich & Glaetzle |
Synonym |
 |
WCSP (in review) |
| Echinopsis randallii (Cárdenas) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis rauschii Friedrich |
Unresolved |
 |
WCSP (in review) |
| Echinopsis rebutioides (Backeb.) Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis reichenbachiana Pfeiff. ex C.F.Först. |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodacantha Salm-Dyck [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis rhodocantha (Salm-Dyck) C.F. Först. |
Synonym |
 |
TRO |
| Echinopsis rhodotricha K.Schum. |
Accepted |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. argentinensis Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. brevispina F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. chacoana (Schütz) F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodotricha subsp. chacoana (Schütz) P.J.Braun & Esteves |
Accepted |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. robusta Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. roseiflora K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis rhodotricha var. spinosior (F.Ritter) F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis ritteri Boed. |
Synonym |
 |
WCSP (in review) |
| Echinopsis riviere-de-caraltii Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis rivierei (Backeb.) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis robinsoniana Werderm. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis × rohlandii K.Schum. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis rojasii Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis rojasii var. albiflora Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis roseolilacina Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis rossii Boed. |
Synonym |
 |
WCSP (in review) |
| Echinopsis rowleyi Friedrich |
Synonym |
 |
WCSP (in review) |
| Echinopsis rubescens Backeb. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis rubinghiana (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis salmiana Rud.Mey. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis salmiana var. bridgesii (Salm-Dyck) K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis salpigophara Lem. ex Salm-Dyck [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis saltensis Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis saltensis var. nealeana (Backeb.) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis saltensis var. pseudocachensis (Backeb.) J.G.Lamb. |
Synonym |
 |
WCSP (in review) |
| Echinopsis saltensis subsp. schreiteri (A.Cast.) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis sanguiniflora (Backeb.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis santaensis (Rauh & Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis santiaguensis (Speg.) Friedrich & G.D.Rowley [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis scheerii Salm-Dyck |
Synonym |
 |
WCSP (in review) |
| Echinopsis schelhasii Pfeiff. & Otto |
Synonym |
 |
WCSP (in review) |
| Echinopsis schickendantzii F.A.C.Weber |
Accepted |
 |
WCSP (in review) |
| Echinopsis schieliana (Backeb.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis schoenii (Rauh & Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis schreiteri (A.Cast.) Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis schreiteri (A. Cast.) Werderm. ex Backeb. |
Synonym |
 |
TRO |
| Echinopsis schwantesii Fric |
Synonym |
 |
WCSP (in review) |
| Echinopsis scopa Carrière |
Synonym |
 |
WCSP (in review) |
| Echinopsis scoparia Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis scopulicola (F.Ritter) Mottram |
Accepted |
 |
WCSP (in review) |
| Echinopsis semidenudata Cárdenas |
Unresolved |
 |
TRO |
| Echinopsis setosa Linke |
Unresolved |
 |
WCSP (in review) |
| Echinopsis shaferi Britton & Rose |
Synonym |
 |
WCSP (in review) |
| Echinopsis silvatica F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis silvestrii Speg. |
Accepted |
 |
WCSP (in review) |
| Echinopsis simplex Niedt [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis skottsbergii (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis skottsbergii var. breviata (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis smrziana Backeb. |
Accepted |
 |
WCSP (in review) |
| Echinopsis spachiana (Lem.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis spegazziniana Britton & Rose |
Synonym |
 |
WCSP (in review) |
| Echinopsis spegazzinii K.Schum. ex Speg. |
Synonym |
 |
WCSP (in review) |
| Echinopsis sphacelata Gravis [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis spinibarbis (Otto) A.E.Hoffm. |
Accepted |
 |
WCSP (in review) |
| Echinopsis spiniflora (K.Schum.) A.Berger |
Synonym |
 |
WCSP (in review) |
| Echinopsis stilowiana (Backeb.) J.G.Lamb. |
Accepted |
 |
WCSP (in review) |
| Echinopsis stollenwerkiana Boed. |
Synonym |
 |
WCSP (in review) |
| Echinopsis strigosa (Salm-Dyck) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis subdenudata Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis sucrensis Cárdenas |
Accepted |
 |
WCSP (in review) |
| Echinopsis tacaquirensis (Vaupel) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tacaquirensis subsp. taquimbalensis (Cárdenas) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis tacuarembense Arechav. [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis tapecuana F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis taquimbalensis (Cárdenas) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis taquimbalensis var. wilkeae (Backeb.) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis taratensis (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tarijensis (Vaupel) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tarijensis subsp. bertramiana (Backeb.) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis tarijensis subsp. herzogiana (Cárdenas) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis tarijensis subsp. totorensis (Cárdenas) G.Navarro |
Accepted |
 |
WCSP (in review) |
| Echinopsis tarmaensis (Rauh & Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tegeleriana (Backeb.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis tephracantha Backeb. & F.M.Knuth [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis terscheckii (Parm.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis terscheckii var. montana (Backeb.) K.Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis × tettavii Kratz [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis thelegona (Web.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis thelegonoides (Speg.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis thionantha (Speg.) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis thionantha Werderm. |
Synonym |
 |
TRO |
| Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry |
Accepted |
 |
WCSP (in review) |
| Echinopsis tiegeliana (Wessner) D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis toralapana Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis torrecillasensis Cárdenas |
Synonym |
 |
WCSP (in review) |
| Echinopsis × tougardii Hérincq [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis trichosa (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tricolor A.Dietr. |
Synonym |
 |
WCSP (in review) |
| Echinopsis tuberculata Niedt |
Synonym |
 |
WCSP (in review) |
| Echinopsis tubiflora (Pfeiff.) Zucc. ex A.Dietr. |
Accepted |
 |
WCSP (in review) |
| Echinopsis tubiflora var. paraguayensis Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis tucumanensis Y.Itô [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis tulhuayacensis (Ochoa) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis tunariensis (Cárdenas) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis turbinata Pfeiff. & Otto |
Synonym |
 |
WCSP (in review) |
| Echinopsis uebelmanniana (Lembcke & Backeb.) A.E.Hoffm. [Invalid] |
Synonym |
 |
WCSP (in review) |
| Echinopsis × undulata Rother [Unplaced] |
Unresolved |
 |
WCSP (in review) |
| Echinopsis uyupampensis (Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis valida Monv. ex Salm-Dyck |
Synonym |
 |
WCSP (in review) |
| Echinopsis valida var. densa Regel |
Synonym |
 |
WCSP (in review) |
| Echinopsis valida var. forbesii Rud.Mey. |
Synonym |
 |
WCSP (in review) |
| Echinopsis vallegradensis Cárdenas |
Unresolved |
 |
WCSP (in review) |
| Echinopsis vasquezii (Rausch) G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis vatteri (R.Kiesling) G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis violacea Werderm. |
Synonym |
 |
WCSP (in review) |
| Echinopsis volliana (Backeb.) Friedrich & G.D.Rowley |
Accepted |
 |
WCSP (in review) |
| Echinopsis volliana var. rubrispina (Backeb.) Friedrich & G.D.Rowley |
Synonym |
 |
WCSP (in review) |
| Echinopsis walteri (R.Kiesling) H.Friedrich & Glaetzle |
Accepted |
 |
WCSP (in review) |
| Echinopsis werdermanniana (Backeb.) Friedrich & G.D.Rowley |
Unresolved |
 |
WCSP (in review) |
| Echinopsis werdermannii Fric ex Fleisch. |
Accepted |
 |
WCSP (in review) |
| Echinopsis × wilkensii (Linke) K.Schum. |
Synonym |
 |
WCSP (in review) |
| Echinopsis yungasensis F.Ritter |
Synonym |
 |
WCSP (in review) |
| Echinopsis yuquina D.R.Hunt |
Accepted |
 |
WCSP (in review) |
| Echinopsis zuccarinii Pfeiff. & Otto |
Unresolved |
 |
WCSP (in review) |