Japanese maple (Acer palmatum): branch with leaves. Watercolour. https://www.rawpixel.com/image/13952377/japanese-maple-acer-palmatum-branch-with-leaves-watercolourFree Image from public domain licenseSycamore (Acer pseudoplatanus): flowering stem, leaves, fruit and floral segments. Coloured engraving after J. Sowerby, 1796. https://www.rawpixel.com/image/13967556/image-plant-tree-artFree Image from public domain licenseA spreading sycamore tree (Acer pseudoplatanus L.) growing by a scenic lake. Etching after J.G.Strutt, 1825. https://www.rawpixel.com/image/13957957/image-cloud-plant-personFree Image from public domain licenseSycamore tree (Acer pseudoplatanus L.) in a graveyard near Reading, Berkshire. Soft-ground etching by W. Delamotte, c. 1806… https://www.rawpixel.com/image/13995620/image-cartoon-plant-personFree Image from public domain license