Subspecies:
Pilosocereus robinii subsp. robinii >
Species:
Pilosocereus robinii >
Genus:
Pilosocereus >
Subfamily:
Cactoideae >
Family:
Cactaceae >
Order:
Caryophyllales >
Class:
Magnoliopsida >
Phylum:
Tracheophyta >
Kingdom:
Plantae >
Unranked:
Biota >