Oxys, sive Trifolium acetosum vector https://www.rawpixel.com/image/2055969/vintage-botanical-illustrationView licenseClover (Trifolium pratense), from the Flowers series for Old Judge Cigarettes issued by Goodwin & Company https://www.rawpixel.com/image/9611160/image-trifolium-pratense-clover-cigarettes-cardsFree Image from public domain licenseA grassland plant, possibly a clover (Trifolium species): flowering stem. Watercolour. https://www.rawpixel.com/image/13953310/image-paper-flower-plantFree Image from public domain licenseTen flowering plants, all types of trefoil or clover (Trifolium species). Chromolithograph by W. Dickes & co., c. 1855. https://www.rawpixel.com/image/13959030/image-flower-plant-medicineFree Image from public domain licenseA clover (Trifolium ochroleucum): flowering stem. Coloured lithograph by W. G. Smith, c. 1863, after himself. https://www.rawpixel.com/image/13970014/image-flower-plant-grassFree Image from public domain licenseClover (Trifolium suffocatum L.): entire flowering plant with separate floral segments. Coloured engraving after F. von… https://www.rawpixel.com/image/13999912/image-flower-plant-artFree Image from public domain license