Old man studying plants in the greenhouse https://www.rawpixel.com/image/14915628/old-man-studying-plants-the-greenhouseView licenseThe Periwinkle of Java, from Collection of Usual, Curious, and Foreign Plants by Jacques Fabien Gautier d'Agoty https://www.rawpixel.com/image/8996836/image-paper-rose-flowerFree Image from public domain license