Browse classification

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Cactaceae
Higher taxa
genus        Thelocactus Britton & Rose
Subordinate taxa
species         Thelocactus bicolor (Pfeiff.) Britton & Rose
species         Thelocactus conothelos (Regel & Klein) Backeb. & Knuth
species         Thelocactus leucacanthus (Pfeiff.) Britton & Rose
species         Thelocactus rinconensis (Poselg.) Britt & Rose
species         Thelocactus setispinus (Engelm.) E.F.Anderson
species         Thelocactus tulensis (Poselg.) Britton & Rose