https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990413![Adder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line…](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djaG5qcXgyZmQtaW1hZ2UuanBn.jpg)
![Adder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line…](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djaG5qcXgyZmQtaW1hZ2UuanBn.jpg)
Adder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line engraving by J. Basire, the younger, c. 1759, after T. Sheldrake.
Adder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line engraving by J. Basire, the younger, c. 1759, after T. Sheldrake.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use