Birch tree pollen viewed close-up. Birch tree pollen is considered to be an important allergenic tree pollen. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENCE PICTURE CO |
Bildgröße: | 4180 px × 4180 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |