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Until recently, the name had been considered unplaced
obtecta_small_4.jpg
Posted Fri, 2021-03-26 11:07 in Patrick Vereecke's blog
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

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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...

Blogs

Until recently, the name had been considered unplaced
obtecta_small_4.jpg
Posted Fri, 2021-03-26 11:07 in Patrick Vereecke's blog
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

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