Petasites Officinalis (Butterbur) enlarged 5 times https://www.rawpixel.com/image/2211598/vintage-butterbur-plant-photographView licenseButterbur (Petasites japonicus): flowering stem. Watercolour. https://www.rawpixel.com/image/13967227/butterbur-petasites-japonicus-flowering-stem-watercolourFree Image from public domain licensePetasites Officinalis (Butterbur) enlarged 5 times from Urformen der Kunst (1928) by Karl Blossfeldt. Original from The… https://www.rawpixel.com/image/2211601/karl-blossfeldt-macrophotographyFree Image from public domain license