| Notocactus acuatus var. corynodes (Otto ex Pfeiff.) Havlicek |
Synonym |
 |
TRO |
| Notocactus acuatus var. leucocarpus (Arechav.) Havlicek |
Unresolved |
 |
TRO |
| Notocactus acutus F. Ritter |
Synonym |
 |
TRO |
| Notocactus agnetae Vliet |
Synonym |
 |
TRO |
| Notocactus alacriportanus (Backeb. & Voll) Buxb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus allosiphon Marchesi |
Synonym |
 |
TRO |
| Notocactus ampliocostatus (F.Ritter) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus apricus (Arechav.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus apricus A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus arachnitis F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus araneolarius (Rchb.) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus arechavaletae (Speg.) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus arechavaletae (K.Schum. ex Speg.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus arnostianus Lisal & Kolarik |
Synonym |
 |
WCSP (in review) |
| Notocactus beltranii (Fric ex Z.Fleisch. & Schütz) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus bertinii (Cels ex Hérincq) W.T.Marshall |
Unresolved |
 |
WCSP (in review) |
| Notocactus bezrucii (Fric) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus blaauwianus Vliet |
Synonym |
 |
TRO |
| Notocactus bommeljei Vliet |
Synonym |
 |
TRO |
| Notocactus brederooianus Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus bregmanianus Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus brevihamatus (W.Haage ex Backeb.) Buxb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus bueneckeri (Buining) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus buiningii Buxb. |
Synonym |
 |
TRO |
| Notocactus caespitosus (Speg.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus calvescens N.Gerloff & A.D.Nilson |
Unresolved |
 |
WCSP (in review) |
| Notocactus campestrensis F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus carambeiensis Buining & Brederoo |
Synonym |
 |
WCSP (in review) |
| Notocactus carambeiensis var. villa-velhensis (Backeb. & Voll) Sida |
Synonym |
 |
TRO |
| Notocactus carambeiensis var. villa-velhensis (Backeb. & Voll) Sida ex G. Dohnke |
Unresolved |
 |
TRO |
| Notocactus catarinensis (F.Ritter) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus catarinensis (F.Ritter) Scheinvar |
Unresolved |
 |
WCSP (in review) |
| Notocactus claviceps (F.Ritter) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus concinnioides W. Prauser |
Synonym |
 |
TRO |
| Notocactus concinnus A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus concinnus (Monv.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus concinnus var. apricus (Arechav.) P.V. Heath |
Unresolved |
 |
TRO |
| Notocactus concinnus var. tabularis (F. Cels ex Rumpler) P.V. Heath |
Synonym |
 |
TRO |
| Notocactus corynodes (Otto ex Pfeiff.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus courantii (Lem.) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus crassigibbus F. Ritter |
Synonym |
 |
TRO |
| Notocactus cristatoides F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus curvispinus F. Ritter |
Synonym |
 |
TRO |
| Notocactus darilhoensis Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus elachisanthus (F.A.C.Weber) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus eremiticus F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus erinaceus (Haw.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus erinaceus f. corynodes (Otto ex Pfeiff.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus erubescens (Osten) Marchesi |
Synonym |
 |
TRO |
| Notocactus erythracanthus H. Schloss. & Brederoo |
Synonym |
 |
TRO |
| Notocactus eugeniae Vliet |
Synonym |
 |
TRO |
| Notocactus eurypleurus Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus euvelenovskyi Z.Fleisch. & Schütz |
Unresolved |
 |
WCSP (in review) |
| Notocactus ferrugineus H.Schloss. |
Unresolved |
 |
WCSP (in review) |
| Notocactus floricomus (Arechav.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus floricomus A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus fricii (Arechav.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus fuscus F. Ritter |
Synonym |
 |
TRO |
| Notocactus fuscus var. longispinus F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus gaucha (M.Machado & Larocca) N.Gerloff & H.Henssen |
Synonym |
 |
WCSP (in review) |
| Notocactus gerloffii Havlícek |
Unresolved |
 |
WCSP (in review) |
| Notocactus gibberulus Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus glaucinus F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus glaucinus var. gracilis F. Ritter |
Synonym |
 |
TRO |
| Notocactus globularis F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus glomeratus N. Gerloff |
Synonym |
 |
TRO |
| Notocactus gracilis Gemmrich |
Unresolved |
 |
WCSP (in review) |
| Notocactus graessneri (K.Schum.) A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus graessneri var. albiseta (Cullman) Krainz |
Unresolved |
 |
TRO |
| Notocactus grandiensis Bergner |
Unresolved |
 |
WCSP (in review) |
| Notocactus grossei (K.Schum.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus grossei A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus grossei f. aureispinus (F. Ritter) J. Theun. ex Havlicek |
Synonym |
 |
TRO |
| Notocactus gutierrezii W.R. Abraham |
Synonym |
 |
TRO |
| Notocactus harmonianus F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus haselbergii P.V. Heath |
Synonym |
 |
TRO |
| Notocactus herteri Werderm. |
Synonym |
 |
TRO |
| Notocactus horstii F. Ritter |
Synonym |
 |
TRO |
| Notocactus horstii (F. Ritter) K. Herm |
Accepted |
 |
TRO |
| Notocactus horstii f. purpureiflorus (F. Ritter) K. Herm |
Accepted |
 |
TRO |
| Notocactus horstii var. purpureiflorus F. Ritter |
Synonym |
 |
TRO |
| Notocactus hypocrateriformis (Otto & A.Dietr.) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus ibicuiensis Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus incomptus N.Gerloff |
Unresolved |
 |
WCSP (in review) |
| Notocactus intricatus (Link & Otto) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus joadii (Hook.f.) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus katharinae Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus kovaricii (Fric) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus laetivirens F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus langsdorfii (Lehm.) Krainz |
Synonym |
 |
TRO |
| Notocactus langsdorfii var. leprosorum (F. Ritter) Hofacker |
Unresolved |
 |
TRO |
| Notocactus langsdorfii var. longispinus (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus langsdorfii f. prolifer (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus lenninghausii (F.Haage) A.Berger |
Synonym |
 |
WCSP (in review) |
| Notocactus leprosorum (F.Ritter) Havlícek |
Unresolved |
 |
WCSP (in review) |
| Notocactus leprosorum (F.Ritter) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus leucocarpus (Arechav.) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus linkii (Lehm.) Herter |
Synonym |
 |
TRO |
| Notocactus linkii var. flavispinus Buining & Brederoo |
Synonym |
 |
TRO |
| Notocactus longispinus (F.Ritter) Havlícek |
Unresolved |
 |
WCSP (in review) |
| Notocactus longispinus (F.Ritter) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus macambarensis Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus macrocanthus (Arechav.) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus macrogonus (Arechav.) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus magnificus (F.Ritter) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus magnificus (F.Ritter) Krainz ex N.P.Taylor |
Unresolved |
 |
WCSP (in review) |
| Notocactus maldonadensis (Herter) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus mammulosus (Lem.) A. Berger |
Synonym |
 |
TRO |
| Notocactus mammulosus var. brasiliensis Havlicek |
Synonym |
 |
TRO |
| Notocactus mammulosus var. pampeanus (Speg.) A. Cast. & Lelong |
Synonym |
 |
TRO |
| Notocactus megalanthus H.Schloss. & Brederoo |
Unresolved |
 |
WCSP (in review) |
| Notocactus megapotamicus Herter |
Synonym |
 |
TRO |
| Notocactus megapotamicus var. flavispinus (Buining & Brederoo) W.R. Abraham & R.W. Buneker |
Unresolved |
 |
TRO |
| Notocactus megapotamicus f. multiflorus (Frić ex Buining) S. Stuchlik |
Unresolved |
 |
TRO |
| Notocactus memorialis Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus meonacanthus Prestle |
Synonym |
 |
TRO |
| Notocactus miniatispinus (F. Ritter) Havlicek |
Synonym |
 |
TRO |
| Notocactus minimus Fric & Kreuz. ex Buining |
Unresolved |
 |
WCSP (in review) |
| Notocactus minimus var. stockingeri (Prestlé) N.Gerloff & Neduchal |
Synonym |
 |
WCSP (in review) |
| Notocactus minimus var. tenuicylindricus (F. Ritter) Havlicek |
Synonym |
 |
TRO |
| Notocactus minusculus Hofacker & K.Herm |
Unresolved |
 |
WCSP (in review) |
| Notocactus moelleri Fric |
Unresolved |
 |
WCSP (in review) |
| Notocactus muegelianus T.Engel |
Unresolved |
 |
WCSP (in review) |
| Notocactus mueller-melchersii Frić ex Backeb. |
Synonym |
 |
TRO |
| Notocactus mueller-moelleri Fric ex Backeb. & F.M.Knuth |
Unresolved |
 |
WCSP (in review) |
| Notocactus mueller-moelleri Fric ex Z.Fleisch. & Schütz |
Unresolved |
 |
WCSP (in review) |
| Notocactus multicostatus Buining & Brederoo |
Unresolved |
 |
WCSP (in review) |
| Notocactus muricatus A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus muricatus (Otto) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus napinus A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus neo-ottoianus Y.Itô |
Unresolved |
 |
WCSP (in review) |
| Notocactus neoarechavaletae Havlicek |
Synonym |
 |
TRO |
| Notocactus neobuenekeri F. Ritter |
Synonym |
 |
TRO |
| Notocactus neohorstii S.Theun. [Invalid] |
Synonym |
 |
WCSP (in review) |
| Notocactus neohorstii f. juvenaliformis (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus nigrispinus R. Kiesling |
Synonym |
 |
TRO |
| Notocactus nivosus Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus notabilis Dupal |
Unresolved |
 |
WCSP (in review) |
| Notocactus olimarensis Prestlé |
Unresolved |
 |
WCSP (in review) |
| Notocactus orthacanthus (Link & Otto) Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus ottoianus Y.Itô |
Unresolved |
 |
WCSP (in review) |
| Notocactus ottonis A. Berger |
Synonym |
 |
TRO |
| Notocactus ottonis var. elegans Backeb. & Voll |
Synonym |
 |
TRO |
| Notocactus ottonis f. elegans (Backeb. & Voll) Havlicek |
Unresolved |
 |
TRO |
| Notocactus ottonis var. multiflorus Frić ex Buining |
Synonym |
 |
TRO |
| Notocactus ottonis var. villa-velohensis Backeb. & Voll |
Synonym |
 |
TRO |
| Notocactus oxycostatus Buining & Brederoo |
Synonym |
 |
TRO |
| Notocactus oxycostatus f. acutus (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus oxycostatus f. miniatispinus (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus oxycostatus f. securituberculatus (F. Ritter) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus pampeanus (Speg.) Backeb. |
Synonym |
 |
TRO |
| Notocactus patagonicus (F.A.C.Weber ex Speg.) W.T.Marshall |
Synonym |
 |
WCSP (in review) |
| Notocactus pauciareolatus (Arechav.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus paulus H. Schloss. & Brederoo |
Synonym |
 |
TRO |
| Notocactus permutatus F. Ritter |
Synonym |
 |
TRO |
| Notocactus polyacanthus (Link & Otto) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus prolifer (F.Ritter) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus pseudoherteri Buining |
Unresolved |
 |
WCSP (in review) |
| Notocactus pseudopulvinatus N.Gerloff |
Unresolved |
 |
WCSP (in review) |
| Notocactus pulvinatus Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus purpureus F. Ritter |
Synonym |
 |
TRO |
| Notocactus rauschii Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus rechensis Buining |
Synonym |
 |
WCSP (in review) |
| Notocactus reichei A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus ritterianus Lisal & Kolarik |
Unresolved |
 |
WCSP (in review) |
| Notocactus roseiflorus H.Schloss. & Brederoo |
Unresolved |
 |
WCSP (in review) |
| Notocactus roseoluteus Vliet |
Synonym |
 |
TRO |
| Notocactus rubricostatus (Fric ex Z.Fleisch. & Schütz) G.Schäf. |
Unresolved |
 |
WCSP (in review) |
| Notocactus rubriflorus Backeb. & F.M.Knuth |
Unresolved |
 |
WCSP (in review) |
| Notocactus rubrigemmatus W.R.Abraham |
Unresolved |
 |
WCSP (in review) |
| Notocactus rubropedatus F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus rudibuenekeri W.R. Abraham |
Synonym |
 |
TRO |
| Notocactus ruoffii N.Gerloff |
Unresolved |
 |
WCSP (in review) |
| Notocactus rutilans Däniker & Krainz |
Synonym |
 |
TRO |
| Notocactus schaeferianus (W.R.Abraham & J.Theun.) Havlícek |
Unresolved |
 |
WCSP (in review) |
| Notocactus schlosseri Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus schumannianus (Nicolai) Frić |
Synonym |
 |
TRO |
| Notocactus schumannianus var. ampliocostatus (F. Ritter) J. Theun. |
Unresolved |
 |
TRO |
| Notocactus scopa (Spreng.) Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus scopa A.Berger |
Unresolved |
 |
WCSP (in review) |
| Notocactus scopa var. marchesii W.R. Abraham |
Synonym |
 |
TRO |
| Notocactus securituberculatus F. Ritter |
Synonym |
 |
TRO |
| Notocactus securituberculatus var. miniatispinus F. Ritter |
Synonym |
 |
TRO |
| Notocactus sellowii (Link & Otto) S.Theun. |
Unresolved |
 |
WCSP (in review) |
| Notocactus sellowii var. courantii (Lem.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sellowii f. leucocarpus (Arechav.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sellowii f. macracanthus (Arechav.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sellowii f. macrogonus (Arechav.) Havlicek |
Unresolved |
 |
TRO |
| Notocactus sellowii f. pauciareolatus (Arechav.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sellowii f. rubricostatus (Frić ex B. Fleisch. & Schütz) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sellowii f. turbinatus (Arechav.) Havlicek |
Unresolved |
 |
TRO |
| Notocactus selowii f. fricii (Arechav.) N. Gerloff |
Unresolved |
 |
TRO |
| Notocactus sessiliflorus (Hook.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus soldtianus Vliet |
Unresolved |
 |
WCSP (in review) |
| Notocactus spinibarbis F.Ritter |
Unresolved |
 |
WCSP (in review) |
| Notocactus stegmannii (Backeb.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus stockingeri Prestlé |
Synonym |
 |
WCSP (in review) |
| Notocactus submammulosus (Lem.) Backeb. |
Synonym |
 |
TRO |
| Notocactus submammulosus var. pampeanus (Speg.) Backeb. |
Synonym |
 |
TRO |
| Notocactus succineus F. Ritter |
Synonym |
 |
TRO |
| Notocactus tabularis (F. Cels ex Rumpler) A. Berger ex A.W. Hill |
Synonym |
 |
TRO |
| Notocactus tenuicylindricus F. Ritter |
Synonym |
 |
TRO |
| Notocactus tenuispinus (Link & Otto) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus tephracanthus (Link & Otto) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus tephracanthus var. depressus (Speg.) Stuchlik |
Unresolved |
 |
TRO |
| Notocactus tetracanthus (Lem.) N.Gerloff, Neduchal & S.Stuchlik |
Unresolved |
 |
WCSP (in review) |
| Notocactus turbinatus (Arechav.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus uebelmannianus Buining |
Unresolved |
 |
WCSP (in review) |
| Notocactus uebelmannianus subsp. pleiocephalus N. Gerloff & G. Königs |
Synonym |
 |
TRO |
| Notocactus uruguayus (Arechav.) Herter |
Unresolved |
 |
WCSP (in review) |
| Notocactus vanvlietii Rausch |
Unresolved |
 |
WCSP (in review) |
| Notocactus veenianus Vliet |
Synonym |
 |
TRO |
| Notocactus velenovskii Fric ex Backeb. |
Unresolved |
 |
WCSP (in review) |
| Notocactus velenovskyi Fric |
Unresolved |
 |
WCSP (in review) |
| Notocactus velenovskyi Y.Itô |
Unresolved |
 |
WCSP (in review) |
| Notocactus vilanovensis C.E.Koch |
Unresolved |
 |
WCSP (in review) |
| Notocactus villa-velhensis Slaba |
Synonym |
 |
TRO |
| Notocactus villa-velhensis var. carambeiensis (Buining & Brederoo) N.Gerloff |
Synonym |
 |
WCSP (in review) |
| Notocactus vorwerkianus (Werderm.) Krainz |
Unresolved |
 |
WCSP (in review) |
| Notocactus warasii (F.Ritter) T.Hewitt & Donald |
Unresolved |
 |
WCSP (in review) |
| Notocactus werdermannianus Herter |
Synonym |
 |
TRO |
| Notocactus winkleri Vliet |
Synonym |
 |
TRO |