Hungarian oak plant transparent png https://www.rawpixel.com/image/569518/hungarian-oak-branchView licenseHungarian oak branch plant illustration https://www.rawpixel.com/image/569688/hungarian-oak-branchView licenseHungarian oak (Quercus Apennina) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/569495/hungarian-oak-plantFree Image from public domain license