Yellow spearwort flowers png vintage botany https://www.rawpixel.com/image/2611685/free-illustration-png-roots-wildflower-watercolorView licenseLesser spearwort (Ranunculus flammula) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327164/free-illustration-image-ranunculus-flower-watercolorFree Image from public domain licenseLesser spearwort (Ranunculus flammula) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/327116/premium-illustration-psd-john-stephenson-vintage-flower-antiqueView license