An incomplete listing of the Caryophyllaceae found in the deserts and mountains of the American Southwest:
Frost Mat, Onyxflower: Achronychia cooperi
Sandworts: The Genus Arenaria
Chickweeds: The Genus Cerastium
Sandworts: The Genus Minuartia
Campions and Catchflys: The Genus Silene
Starworts: The Genus Stellaria