Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Streptophyta (Streptophytina)
Embryophyte (Land plants)
Tracheophyta (Higher plants)
Euphyllophytina (Euphyllophyta)
Radiatopses
Lignophyta
Seed plants (Phanerogams)
Acrogymnospermae
Cycadophytanae
Magnoliophyta (Angiosperms)
Magnoliopsida
Caryophyllidae
Caryophyllanae
Caryophyllales
Cactineae
Cactaceae (Cactuses)
Cactoideae
Trichocereeae
Children (3 direct children, 11 direct and indirect children):
Chamaelobivia matuzakii
Chamaelobivia tanahashii
Chamaelobivia tudae
(tree size 8)