Pyrrhocactus curvispinus (Bertero ex Colla) A.Berger species synonym

Eriosyce curvispina subsp. choapensis (F.Ritter) M.H.J.van der Meer subspecies synonym

Cactus horridus Colla species proparte synonym

Echinocactus horridus (Bertero ex Colla) J.Rémy ex Gay species proparte synonym

Neoporteria curvispina subsp. aconcaguensis (F.Ritter & Buining) Donald & G.D.Rowley subspecies synonym

Eriosyce curvispina subsp. tuberisulcata (Jacobi) Katt. subspecies accepted

Eriosyce curvispina subsp. curvispina subspecies accepted

Horridocactus kesselringianus Dölz species synonym

Horridocactus andicola F.Ritter species synonym

Horridocactus aconcaguensis (F.Ritter) Backeb. species synonym

Neoporteria tuberisulcata (Jacobi) Donald & G.D.Rowley species synonym

Neoporteria horrida (Gay) D.R.Hunt species synonym

Pyrrhocactus horridus (Gay) Backeb. species synonym

Pyrrhocactus andicola (F.Ritter) F.Ritter species synonym

Pyrrhocactus aconcaguensis F.Ritter species synonym

Malacocarpus tuberisulcatus (Jacobi) Britton & Rose species synonym

Malacocarpus curvispinus (Bertero ex Colla) Britton & Rose species synonym

Neoporteria tuberisulcata var. vegasana (F.Ritter) Donald & G.D.Rowley variety synonym

Neoporteria tuberisulcata var. froehlichiana (K.Schum.) Donald & G.D.Rowley variety synonym

Neoporteria kesselringiana (Dölz) Hutchison species synonym

Neoporteria horrida var. odoriflora (F.Ritter) A.E.Hoffm. variety synonym

Neoporteria horrida var. coliguayensis (F.Ritter) A.E.Hoffm. variety synonym

Neoporteria curvispina f. subaequalis (Backeb.) Donald & G.D.Rowley form synonym

Neoporteria curvispina f. robusta (F.Ritter) Donald & G.D.Rowley form synonym

Neoporteria curvispina f. orientalis (F.Ritter) Donald & G.D.Rowley form synonym

Neoporteria curvispina f. mollensis (F.Ritter) Donald & G.D.Rowley form synonym

Neoporteria curvispina var. kesselringiana (Dölz) Donald & G.D.Rowley variety synonym

Neoporteria curvispina var. grandiflora (F.Ritter) Donald & Rowley variety synonym

Neoporteria curvispina f. descendens (F.Ritter) Donald & G.D.Rowley form synonym

Neoporteria curvispina var. andicola (F.Ritter) Donald & Rowley variety synonym

Neoporteria curvispina f. albicans (Hildm.) Donald & G.D.Rowley form synonym

Neoporteria curvispina f. aconcaguensis (F.Ritter) Donald & G.D.Rowley form synonym

Neoporteria choapensis (F.Ritter) Donald & G.D.Rowley species synonym

Eriosyce curvispina var. tuberisulcata (Jacobi) Katt. variety synonym

Eriosyce curvispina var. choapensis (F.Ritter) Katt. variety synonym

Eriosyce curvispina var. aconcaguensis (F.Ritter) Katt. variety synonym

Horridocactus tuberisulcatus (Jacobi) Y.Itô species synonym

Echinocactus geissei var. albicans Hildm. variety synonym

Horridocactus kesselringianus var. subaequalis Backeb. variety synonym

Horridocactus horridus (Colla) Backeb. species synonym

Horridocactus grandiflorus (F.Ritter) Backeb. species synonym

Echinocactus froehlichianus K.Schum. species synonym

Horridocactus curvispinus (Bertero) Backeb. species synonym

Horridocactus choapensis (F.Ritter) Backeb. species synonym

Horridocactus andicola var. robustus F.Ritter variety synonym

Horridocactus andicola var. mollensis F.Ritter variety synonym

Horridocactus andicola var. descendens F.Ritter variety synonym

Horridocactus aconcaguensis var. orientalis (F.Ritter) Backeb. variety synonym

Hildmannia horrida (Gay) Kreuz. & Buining species synonym

Hildmannia froehlichiana (K.Schum.) Kreuz. & Buining species synonym

Hildmannia curvispina (Bertero) Kreuz. & Buining species synonym

Echinocactus curvispinus (Bertero ex Colla) Gay species synonym

Pyrrhocactus tuberisulcatus (Jacobi) A.Berger species synonym

Pyrrhocactus robustus var. vegasanus F.Ritter variety synonym

Pyrrhocactus pamaensis F.Ritter species synonym

Pyrrhocactus odoriflorus F.Ritter species synonym

Gymnocalycium froehlichianum (K.Schum.) Osten species synonym

Pyrrhocactus horridus var. orientalis (F.Ritter) F.Ritter variety synonym

Pyrrhocactus horridus var. aconcaguensis (F.Ritter) F.Ritter variety synonym

Pyrrhocactus grandiflorus F.Ritter species synonym

Pyrrhocactus froehlichianus (K.Schum.) Backeb. species synonym

Pyrrhocactus coliguayensis F.Ritter species synonym

Pyrrhocactus choapensis F.Ritter species synonym

Pyrrhocactus andicola var. robustus (F.Ritter) F.Ritter variety synonym

Pyrrhocactus andicola var. mollensis (F.Ritter) F.Ritter variety synonym

Pyrrhocactus andicola var. descendens (F.Ritter) F.Ritter variety synonym

Pyrrhocactus aconcaguensis var. orientalis F.Ritter variety synonym

Echinocactus tuberisulcatus Jacobi species synonym

Echinocactus soebrensii K.Schum. species synonym

Neochilenia robusta var. vegasana (F.Ritter) Backeb. variety synonym

Neochilenia odoriflora (F.Ritter) Backeb. species synonym

Eriosyce curvispina subsp. aconcaguensis (F.Ritter) M.H.J.van der Meer subspecies synonym

Cactus curvispinus Bertero ex Colla species heterotypic synonym

Cactus curvispinus Bertero species synonym

Pyrrhocactus kesselringianus (Dölz) F.Ritter species synonym

Neoporteria curvispina (Bertero) Donald & G.D.Rowley species synonym