Localities: Bygdøy: 18.03.2019
| Reporter: | Hartvig Nissens skole |
| Site: | Bygdøy () |
| Date: | 2019-03-18 |
| Activity: | Spring phenology |
Observation
| Species: | Birch (Betula) | |
| Comment: | Hannrakler bjørk | |
| Phenophase: | Flowering | 18.03.2019 |
| Reporter: | Hartvig Nissens skole |
| Site: | Bygdøy () |
| Date: | 2019-03-18 |
| Activity: | Spring phenology |
| Species: | Birch (Betula) | |
| Comment: | Hannrakler bjørk | |
| Phenophase: | Flowering | 18.03.2019 |