Stellenbosch University Botanical Garden, South Africa

Common name: Ghost plant, Mother-of-pearl plant

Family: Crassulaceae (Sedum)

Distribution: Mexico

IUCN Red list: Not evaluated

Comments: Originally thought to be native to Paraguay, as the species name implies, was discovered on cactus plants imported to New York in 1904 and only later determined to be from Mexico (Tamaulipas), though no plants of the species have been rediscovered in the wild since.