Rhaponticum repens
- Common name(s): Russian knapweed, hardheads, creeping knapweed, mountain bluet, Turkestan thistle
- Synonym(s): Acroptilon repens, Centaurea repens
- All names: Acroptilon repens, Centaurea repens, Russian knapweed, hardheads, creeping knapweed, mountain bluet, Turkestan thistle
