| English | eng-000 |
| hardheads | |
| čeština | ces-000 | chrpec |
| čeština | ces-000 | chrpec plazivý |
| English | eng-000 | Centaurea nigra |
| English | eng-000 | black knapweed |
| English | eng-000 | lesser knapweed |
| suomi | fin-000 | Centaurea nigra |
| suomi | fin-000 | mustakaunokki |
| français | fra-000 | centaurea nigra |
| italiano | ita-000 | Centaurea nigra |
| italiano | ita-000 | fiordaliso scuro |
| Latina Nova | lat-003 | Acroptilon |
| Latina Nova | lat-003 | Acroptilon repens |
| slovenščina | slv-000 | centaurea nigra |
| ภาษาไทย | tha-000 | ต้นแนปวีดดำ |