Fern leaves. Ferns are primitive pteridophyte plants that reproduce using spores. These are stored in the dark dots (sporangia) on the leaves. Some fossil ferns are over 350 million years old | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gustoimages |
Bildgröße: | 3686 px × 4742 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |