A sheoak or swamp oak (Casuarina stricta): flowering and fruiting stems. Coloured engraving, c. 1804, after H. Andrews. https://www.rawpixel.com/image/13983309/image-plant-grass-medicineFree Image from public domain licenseRiver she-oak on cloudscape background https://www.rawpixel.com/image/2309803/free-photo-image-backdrop-background-photosView license