Ancient Trees in Groningen
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The Linden of De Rollen
Common Lime (Tilia x europaea). about 340 years. Visible from the public road (Noorddijkerweg); De Rollen is a private working farm, not open to visitors

The Star Point Oaks of Sterrebos
Pedunculate Oak (Quercus robur). about 265 years, revised upward in 2024. Free, open public park at any time

The Winter Oak of Zuiderplantsoen
Sessile Oak (Quercus petraea). not documented. Free, open public park at any time

The Duck's Foot Tree of Noorderplantsoen
Ginkgo (Ginkgo biloba). more than 140 years. Free, open park at any time

The Groenestein Plane
London Plane (Platanus x acerifolia). not documented, likely 19th century. Free, open park at any time; the villa itself remains a private residence