Purple loosestrife (Lythrum salicaria L.): flowering stem with separate flowers and calyx. Coloured etching by M. Bouchard… https://www.rawpixel.com/image/13970561/image-flower-plant-grassFree Image from public domain licenseBotanical purple loosestrife plant illustrations https://www.rawpixel.com/image/2686996/premium-illustration-image-beautiful-beige-blossomView licenseBotanical psd purple loosestrife plant vintage sketch https://www.rawpixel.com/image/2686802/premium-illustration-psd-vintage-spring-flowers-beautiful-beigeView licensePurple loosestrife (Lythrum salicaria) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327044/free-illustration-image-flowers-botanical-art-antiqueFree Image from public domain licensePurple loosestrife (Lythrum salicaria) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/327038/premium-illustration-psd-john-stephenson-antique-botanicalView license