Fluorescent light micrograph of the fertile part of a Cretan brake fern ( Pteris cretica) leaf bearing the sporangia (dark purple), hidden by a convolute lamina margin. The spores are released from the sporangium after deformation of the annulus cells (yellow). Magnification: x160 when printed 10cm x 10cm. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turzanska, Magda |
Bildgröße: | 4072 px × 3066 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |