Polystichum aculeatum
| Gender | undetermined |
| Age | undetermined |
| Plumage | undetermined |
| Recorded | 2006-07-14 |
| Location | Furfooz-BE |
| Copyright | Florence Rüegger |
| Family | Dryopteridaceae |
| Status CH | |
| References | en.wikipedia.org |
| vogelwarte.ch |
7 | 86