"Mae Ystâd Windsor yn gartref i un o'r casgliadau mwyaf o goed Derw a Ffawydd hynafol a hynod yng Ngogledd Ewrop, gan gynnwys Derw Pontfadog sy'n bwysig yn ecolegol a gafodd ei impio o'r goeden wreiddiol ac sydd mor gyfoethog o ran arwyddocâd diwylliannol.
“The Windsor Estate is home to one of the largest collections of ancient and veteran Oak and Beech trees in Northern Europe, including the ecologically important Pontfadog Oak that was grafted from the original tree and which is so rich in cultural significance.