Pyrrhocactus choapensis USDA: 9b-11. Full sun. Hardy to 28° F. Full sun to light shade. Needs good drainage. Origin: Mexico. Synonym: Eriosyce curvispina var. choapensis, Horridocactus choapensis, Neoporteria choapensis

Pyrrhocactus curvispinus v Alicahue

Pyrrhocactus curvispinus v cambarbalensis

Pyrrhocactus curvispinus v. petorcensis

Pyrrhocactus curvispinus v. putaendo

Pyrrhocactus curvispinus v. santiagoensis

Pyrrhocactus floccosus.

Pyrrhocactus limariensis.

Pyrrhocactus meglioli  -  type location/Marayes/San Juan  -  HV  528

Pyrrhocactus paucicostatus v. viridis.

Pyrrhocactus sanjuanensis HV 355

Pyrrhocactus sp Cobildo

Pyrrhocactus species mix

Pyrrhocactus straussianus - 80km,.El Sosneado/Mendoza - HV1084

Pyrrhocactus tenuis

Pyrrhocactus  vertongenii  -  Rare, Vindplaats/Banos La Laga/San Juan -  HV  355

Pyrrhocactus villicumensis - type location/Sierra Villicun/San Juan - HV 544