Pyrrhocactus

bulbocalyx
bulbocalyx
catamarcensis
catamarcensis
dubius
dubius
eriosyzoides
gracilis
gracilis
megliolii
megliolii
paucicostatus
pygmaeus
pygmaeus
strausianus
umadeave
umadeave v. marayesensis
umadeave v. marayesensis
vertongenii
vertongenii
vertongenii
vertongenii