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Editor's Picks

Group photo at Harvard Herbarium
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares | Apr 21, 2026
Morgan and friends in Argentina
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini | Apr 05, 2026
Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia | Apr 05, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

Quercus robur pictured by Michel Timacheff

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. 

Chêne de Hour, Quercus robur (photo. Michel Timacheff)

 

The same oak was already a landmark at the end of the 19th century.

Chêne de Hour, Quercus robur at the end of the 19th century (photo. anon.)