Editor's Picks
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares
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Apr 21, 2026
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini
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Apr 05, 2026
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia
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Apr 05, 2026
Plant Focus
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...
Michel Timacheff, IOS Member and photographer, came across an old oak near Villers-sur-Lesse in southern Belgium. Its circumference is over 6 meters at BH.
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| Chêne de Hour, Quercus robur (photo. Michel Timacheff) |
The same oak was already a landmark at the end of the 19th century.
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| Chêne de Hour, Quercus robur at the end of the 19th century (photo. anon.) |













