Filbert hazelnut plant sticker design resource https://www.rawpixel.com/image/2399282/premium-illustration-psd-vintage-nut-hazelnut-vintage-botanicalView licenseTwo hazelnuts sketches by Julie de Graag (1877-1924). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/467066/free-illustration-image-hazelnut-vintage-nutsFree Image from public domain licenseOak (Quercus robur), hazel (Corylus avellana) and hornbeam (Carpinus betulus): fruiting and flowering twigs.… https://www.rawpixel.com/image/13965901/image-plant-tree-artFree Image from public domain licenseSix seeding plants, including dandelion, oak, sycamore and hazel, all illustrating different methods of seed dispersal.… https://www.rawpixel.com/image/13965771/image-flower-plant-medicineFree Image from public domain licenseA hazel or filbert plant (Corylus species): fruiting branch with separate nut and leaf. Watercolour. https://www.rawpixel.com/image/13953369/image-plant-tree-artFree Image from public domain license