Male fern frond (Dryopteris felix-mas). The fronds show pinnate formation,that is they have a long central midrib,or rachis,with frondlets arranged in parallel pairs along it | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 5320 px × 3438 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |