 |
| |||
| Eastern Canadian spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca); single spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca); white spruce (Picea alba Link, Picea canadensis Britt. St.et P., Picea glauca) | |||
| abeto- do -canada: 4 Phrasen in 2 Thematiken |
| Forstbau | 2 |
| Naturwissenschaften | 2 |