Melocactus matanzanus
Melocactus perezassoi
Monadenium guentheri
Monadenium ritchiei
Monadenium ritchiei variegata
Monadenium ritchii variegated
Monvillea specazini cristata
Myrtillocactus geometrizans cristate variegated
Myrtillocactus geometrizans fukurokuryuzinboku
Myrtillocactus geometrizans monstrosus variegated
Myrtillocactus geometrizans strictum
Myrtillocactus geometrizans variegated
Myrtillocalycium POLYP (Chimera)
Myrtillocalycium “Polyp”
Mytrillocactus geometrizans
Neobuxbaumia polylopha
Neochilenia taltalensis
Neochilenia wagenknechtii
Neoporteria floccosa
Neoporteria litoralis