Pyrrhocactus estherae Damsma species synonym

Eriosyce strausiana var. pachacoensis (Rausch) Katt. variety synonym

Eriosyce strausiana subsp. bisii Halda, Kupcák & Sladk. subspecies synonym

Eriosyce multicolorispina Janeba & Slaba species synonym

Pyrrhocactus vollianus var. breviaristatus Backeb. variety synonym

Pyrrhocactus strausianus var. sanjuanensis (Speg.) J.G.Lamb. variety synonym

Pyrrhocactus setiflorus Backeb. species synonym

Pyrrhocactus sanjuanensis (Speg.) Backeb. species synonym

Pyrrhocactus platyacanthus F.Ritter species synonym

Pyrrhocactus pachacoensis Rausch species synonym

Pyrrhocactus griseus Backeb. species synonym

Pyrrhocactus atrospinosus Backeb. species synonym

Echinocactus strausianus K.Schum. species synonym

Echinocactus sanjuanensis Speg. species synonym

Eriosyce strausiana subsp. strausiana subspecies accepted

Neoporteria volliana (Backeb.) Donald & G.D.Rowley species synonym

Pyrrhocactus vollianus Backeb. species synonym

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

Malacocarpus strausianus (K.Schum.) Britton & Rose species synonym

Malacocarpus sanjuanensis (Speg.) Speg. species synonym

Neoporteria volliana var. breviaristata (Backeb.) Donald & G.D.Rowley variety synonym

Neoporteria strausiana (K.Schum.) Donald & G.D.Rowley species synonym

Neoporteria setiflora (Backeb.) Donald & G.D.Rowley species synonym

Neoporteria sanjuanensis (Speg.) Donald & G.D.Rowley species synonym

Neoporteria backebergii Donald & G.D.Rowley species synonym

Pyrrhocactus setosiflorus Backeb. species heterotypic synonym

Eriosyce strausiana subsp. pachacoensis (Rausch) Ferryman subspecies accepted