Related how?

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)
Angiosperms (Flowering plants)
Mesangiosperms (Core angiosperms)
Eudicots (Eudicotidae)
Core eudicots
Superasterids (Superastrids)
Asterids (Asteriden)
Campanulids (Euasterids ii (apg i, apg ii))
Asterales
Asterineae
Asteraceae (Compositae)
Carduoideae
Cynareae
Centaureinae

Russian knapweed (2703117)

English name: hardheads

Children (6 direct children, 7 direct and indirect children):

Acroptilon repens (tree size 1)
Hardheads

Acroptilon australe

Acroptilon serratum

Acroptilon obtusifolium

Acroptilon subdentatum

Acroptilon angustifolium