Kingdom: Plantae (2625)
Phylum: Tracheophyta (2528)
Class: Magnoliopsida (2137)
Order: Caryophyllales (122)
Family: Caryophyllaceae (37)(family description)
Genus: Petrorhagia (1)
Epithet: dubia (Raf.) G. Lopez & Romo (2)
dubia => doubtful, uncertain (usually in regard to taxonomic placement)