Light micrograph transverse section through the frond of a holly fern (Cyrtomium sp.) showing the sorus. A sorus is a spore-producing region on the underside of a fern frond. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Downer, Nigel |
Bildgröße: | 5616 px × 3120 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |