Cretaceous tree ferns. Artwork showing several Tempskya tree ferns,depicted in the Lower to Mid-Cretaceous Period. These plants could reach six metres in height and half a metre in diameter. Tree ferns are an ancient form of ferns that evolved from low-lying forms to tree-like forms with trunks. This genus went extinct,though other tree ferns still exist today | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bizley, Richard |
Bildgröße: | 3439 px × 5140 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |