Knautia arvensis
| Inflorescence | Flower |
| Recorded | 2011-06-29 |
| Location | Altishofen LU-CH |
| Copyright | Florence Rüegger |
| Family | Caprifoliaceae |
| Neophyte | No |
| Blooming Period | may–september |
| Height | 30–100cm |
| References | en.wikipedia.org |
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