Campanule flower png botanical illustration, remixed from artworks by Pierre-Joseph Redouté https://www.rawpixel.com/image/2399030/free-illustration-png-blue-flowers-redoute-watercolor-flowerView licenseCampanule flower sticker overlay design element https://www.rawpixel.com/image/2399294/free-illustration-png-blue-vintage-flower-watercolor-beautifulView license