Common horsetail stem. Light micrograph of a cross-section through the tip of the condensed stem of the common horsetail (Equisetum arvense),showing the central stem sourrounded by stem leaves. The stem contains one circle of vascular bundles and many canals | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 4134 px × 4471 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |