Rosa Centifolia Anglica Rubra (1817–1824) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original… Free Image from public domain license 
Ever-blowing Rose (Rosa semper florens) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… Free Image from public domain license 
A sunflower, a caterpillar and two butterflies by Johan Teyler (1648-1709). Original from The Rijksmuseum. Digitally enhanced… Free Image from public domain license