Localities: Bygdøy: 07.09.2017
| Reporter: | Hartvig Nissens skole |
| Observers: | 3ste |
| Site: | Bygdøy () |
| Date: | 2017-09-07 |
| Activity: | Fremmede arter |
Observation
| Species: | Winter-cress (Barbarea vulgaris) |
| Reporter: | Hartvig Nissens skole |
| Observers: | 3ste |
| Site: | Bygdøy () |
| Date: | 2017-09-07 |
| Activity: | Fremmede arter |
| Species: | Winter-cress (Barbarea vulgaris) |