Pyrrhocactus

Pyrrhocactus (A. Berger) Backeb. & F.M. Knuth = Neoporteria = Eriosyce
synonymous genus Cactaceae Cactoideae Notocacteae

FWO

[not yet available online]

Illustrations originally published under Pyrrhocactus (A. Berger) Backeb. & F.M. Knuth :