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A video clip by filmmaker Alon Issashar focuses on oak trees in Israel
screenshot_2021-02-20_101018.jpg
Posted Sat, 2021-02-20 13:09 in Ezra Barnea's blog
Quercus rotundifolia trees were in full flower two months earlier than usual in southern Portugal
Quercus rotundifolia, phenology
Posted Tue, 2021-02-09 20:00 in Philip Perry's blog
A strange oak name explained
404655.jpg
Posted Tue, 2021-02-09 11:48 in Patrick Vereecke's blog
An unusual name based on a river in Turkey has quite a few variants
Quercus dschorochensis
Posted Sat, 2021-02-06 18:45 in Patrick Vereecke's blog
Did you know that Turner's oak occurs in the wild?
Quercus xturneri
Posted Mon, 2020-12-14 13:35 in Charles Snyers d'Attenhoven's blog
Sometimes when you least expect it, good things happen.
123847635_367343781227593_2771869126421858320_n.jpg
Posted Sun, 2020-12-13 11:08 in Gaurav Verma's blog
Linnaeus wrote in his prologue of Quercus cerris that it "lives in Spain," but the species does not occur naturally there...
duhamel_du_monceau_h.l._1819_traite_des_arbres_et_arbustes_nouvelle_edition_nouveau_duhamel_vol._7_t._57.jpg
Posted Wed, 2020-12-02 15:08 in Patrick Vereecke's blog
Sabima, a Norwegian NGO, got in touch to let us know about their Hollow Oak Advent Calendar.
calendar_and_leaflet.jpg
Posted Wed, 2020-11-25 20:36 in Roderick Cameron's blog
A documentary inspired by a painting of an oak in Israel.
maxresdefault.jpg
Posted Sat, 2020-10-10 11:01 in Ezra Barnea's blog
Oaks have been featured in several operas. Here is a list of what we found.
p816466406-5.jpg
Posted Fri, 2020-10-09 15:27 in Roderick Cameron's blog
Feedback on the Hybrid Highlight on Quercus ×vilmoriniana
quercus_x_vilmoriniana_maurice_de_vilmorinmet_eikels.jpg
Posted Tue, 2020-06-16 15:24 in Roderick Cameron's blog
The Oak Action Group of Farm Forestry New Zealand is planning to establish American Red Oak Timber Trial Blocks.
Seedlings examined by Oak Interest Group
Posted Wed, 2020-06-10 10:46 in Kathryn Hurr's blog

Pages

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...

Blogs

A video clip by filmmaker Alon Issashar focuses on oak trees in Israel
screenshot_2021-02-20_101018.jpg
Posted Sat, 2021-02-20 13:09 in Ezra Barnea's blog
Quercus rotundifolia trees were in full flower two months earlier than usual in southern Portugal
Quercus rotundifolia, phenology
Posted Tue, 2021-02-09 20:00 in Philip Perry's blog
A strange oak name explained
404655.jpg
Posted Tue, 2021-02-09 11:48 in Patrick Vereecke's blog
An unusual name based on a river in Turkey has quite a few variants
Quercus dschorochensis
Posted Sat, 2021-02-06 18:45 in Patrick Vereecke's blog
Did you know that Turner's oak occurs in the wild?
Quercus xturneri
Posted Mon, 2020-12-14 13:35 in Charles Snyers d'Attenhoven's blog
Sometimes when you least expect it, good things happen.
123847635_367343781227593_2771869126421858320_n.jpg
Posted Sun, 2020-12-13 11:08 in Gaurav Verma's blog
Linnaeus wrote in his prologue of Quercus cerris that it "lives in Spain," but the species does not occur naturally there...
duhamel_du_monceau_h.l._1819_traite_des_arbres_et_arbustes_nouvelle_edition_nouveau_duhamel_vol._7_t._57.jpg
Posted Wed, 2020-12-02 15:08 in Patrick Vereecke's blog
Sabima, a Norwegian NGO, got in touch to let us know about their Hollow Oak Advent Calendar.
calendar_and_leaflet.jpg
Posted Wed, 2020-11-25 20:36 in Roderick Cameron's blog
A documentary inspired by a painting of an oak in Israel.
maxresdefault.jpg
Posted Sat, 2020-10-10 11:01 in Ezra Barnea's blog
Oaks have been featured in several operas. Here is a list of what we found.
p816466406-5.jpg
Posted Fri, 2020-10-09 15:27 in Roderick Cameron's blog
Feedback on the Hybrid Highlight on Quercus ×vilmoriniana
quercus_x_vilmoriniana_maurice_de_vilmorinmet_eikels.jpg
Posted Tue, 2020-06-16 15:24 in Roderick Cameron's blog
The Oak Action Group of Farm Forestry New Zealand is planning to establish American Red Oak Timber Trial Blocks.
Seedlings examined by Oak Interest Group
Posted Wed, 2020-06-10 10:46 in Kathryn Hurr's blog

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

 

Standard Institutional Members

Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden