| No | 9 |
| Common Name: | Knap Weed |
| Scientific Name: | Centaurea nigra |
| Irish Name: | Mínscoth |
| Family: | Asteraceae |
| Habitat: | grows in abundance in a wide variety of habitats |
| Uses: | Not to be confused with Japanese Knotweed. It was once used to make ointment for cuts and bruises |
Next: Ladys Bedstraw