Skull-cap or helmet flower (Scutellaria orientalis): flowering plant and floral segments. Etching, c. 1718, after C. Aubriet. https://www.rawpixel.com/image/13989036/image-paper-flower-plantFree Image from public domain licenseAn overhead shot of white woodruff flowers. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292747/free-photo-image-indonesia-acanthaceae-asterFree Image from public domain licenseA slipper flower (Calceolaria diffusa): flowering stem. Coloured engraving by S. Watts, c. 1830, after M. Hart. https://www.rawpixel.com/image/13969384/image-flower-plant-medicineFree Image from public domain licenseWhite horehound (Marrubium vulgare): flowering stem, root and floral segments. Coloured engraving after J. Sowerby, 1797. https://www.rawpixel.com/image/13973695/image-plant-grass-treeFree Image from public domain licenseWitte hyacint (1746 - 1811) by Vincent Jansz van der Vinne https://www.rawpixel.com/image/13738760/witte-hyacint-1746-1811-vincent-jansz-van-der-vinneFree Image from public domain licenseGoat's thorn (Astragalus christianus): flowering stem and floral segments. Etching, c. 1718, after C. Aubriet. https://www.rawpixel.com/image/13990183/image-flower-plant-treeFree Image from public domain licenseA harebell (Campanula rotundifolia) with an associated moth and its anatomical segments. Coloured etching, c. 1830. https://www.rawpixel.com/image/13968933/image-butterfly-cartoon-flowerFree Image from public domain licenseLandscape with Fruits and Vegetables in the foreground (1600 - 1651) by Abraham Bloemaert https://www.rawpixel.com/image/13741862/image-plant-person-treeFree Image from public domain licenseFour poisonous plants: crowfoot (Ranunculus alpestris), fly agaric fungus (Amanita muscaria), foxglove (Digitalis purpurea)… https://www.rawpixel.com/image/13964045/image-flower-plant-leafFree Image from public domain licenseChickweed plant (Cerastium glomeratum) with two associated wasps and their anatomical segments. Coloured etching, c. 1831. https://www.rawpixel.com/image/14007112/image-honey-bee-butterfly-flowerFree Image from public domain licenseA hawthorn twig (Crataegus species) with an associated butterfly, its caterpillar, chrysalis and anatomical segments.… https://www.rawpixel.com/image/13965263/image-butterfly-plant-artFree Image from public domain licenseA leek (Allium ampeloprasum) and sandleek (Allium scorodoprasum): flowerheads. Coloured lithograph by W. G. Smith, c. 1863… https://www.rawpixel.com/image/13954494/image-paper-flower-plantFree Image from public domain licenseA Japanese physician applying moxa (a substance produced from leaves of various wormwoods) as a cautery: igniting it on the… https://www.rawpixel.com/image/13979475/image-person-medicine-artFree Image from public domain licensePalm png sticker, botanical illustration, transparent background. Free public domain CC0 image https://www.rawpixel.com/image/6743056/png-sticker-leafFree PNG from public domain license