Kingdom: Plantae (2656)
Phylum: Tracheophyta (2569)
Class: Magnoliopsida (2165)
Order: Caryophyllales (112)
Family: Caryophyllaceae (38)(family description)
Genus: Petrorhagia (1)
Epithet: dubia (Raf.) G. Lopez & Romo (2)
dubia => doubtful, uncertain (usually in regard to taxonomic placement)