Gymnocalycium and Haemanthus, are native to South America?
Gymnocalycium Gymnocalycium, commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name "Gymnocalycium" (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines.
Stenomesson Stenomesson is a genus of bulbous plants in the family Amaryllidaceae. All the species are native to western South America (Colombia, Ecuador, Peru and northern Chile).