Verschillende bloemen, waaronder akelei en cyclaam (1570 - before 1618) by Adriaen Collaert, Adriaen Collaert, Theodoor… https://www.rawpixel.com/image/13736951/image-paper-flower-plantFree Image from public domain licenseTwee tulpen met akelei, nachtvlinder en kever (1637) by Jacob Marrel https://www.rawpixel.com/image/13741362/twee-tulpen-met-akelei-nachtvlinder-kever-1637-jacob-marrelFree Image from public domain licenseMarch (1918) by Julie de Graag (1877-1924). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/467007/free-illustration-image-julie-graag-woodcut-graagFree Image from public domain licenseDubbele akelei (Aquilegia vulgaris) en appel (Malus pumila) (1640) by anonymous and Crispijn van de Passe I https://www.rawpixel.com/image/13795639/image-paper-flowers-frameFree Image from public domain license