| Birch (Betula sp.) | | 2012-03-02 | 2012-02-29 |  | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-03-02 | 2011-09-30 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-03-02 | 2012-03-02 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-03-02 | 2011-11-16 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-03-02 | 2011-09-30 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-03-02 | 2011-11-16 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-02-29 | 2011-08-10 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2012-02-29 | 2011-09-30 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2012-02-29 | 2011-11-16 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2012-02-29 | 2011-11-16 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2012-02-29 | 2011-08-30 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2011-10-19 | 2011-09-26 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2011-10-19 | 2011-09-26 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2011-10-19 | 2011-08-10 | | Schule Sohren- Büchenbeuren (Germany) |
| Birch (Betula sp.) | | 2011-10-19 | 2011-10-19 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2011-10-19 | 2011-08-10 | | Schule Sohren- Büchenbeuren (Germany) |
| Oak (Quercus sp.) | | 2011-10-19 | 2011-10-19 | | Schule Sohren- Büchenbeuren (Germany) |
