Localities: Grenland: 06.06.2001
| Reporter: | Skien videregående skole/Avd Brekkeby |
| Site: | Grenland () |
| Date: | 2001-06-06 |
| Registered: | 2001-05-18 |
| Activity: | Spring phenology |
Observation
| Species: | Downy Birch (Betula pubescens) | |
| Phenophase: | Leaves unrolling | 01.05.2001 |
| Species: | White Wagtail (Motacilla alba) | |
| Phenophase: | Arrival | 03.04.2001 |