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A naturally occurring hybrid between Quercus robur and Q. alba.
An entrancing and thought-provoking book
Researchers and practitioners from Guatemala, Costa Rica, Colombia, Mexico, and the United States shared latest findings on Mesoamerican...
A meditation on a fallen oak
The new design of an urban oak features many oak species
The reconstructed life story of a single Quercus petraea in the heart of Rambouillet.
A team of reporters share their take on the event.
Four days exploring oaks on the east coast of North Island
The renowned Canadian botanist, whose work included oak hybrids, died on February 26, 2025
Is Q. robur invading Q. petraea populations or is it the other way around?
A team led by IOS member Marco Neves Marques has published an extensive literature review covering oak declines in Mediterranean-type...
A rare species from the Zagros forests in Iran

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Editor's Picks

Yoko and John planting acorns
"Japanese oaks" planted at Coventry Cathedral
Steve Potter | Dec 21, 2025
Group with Quercus macdougallii
Six days exploring Oaxaca’s oak diversity, as reported by...
Wally Wilkins | Dec 10, 2025
One of the first planted circles on Hampton Common, London, in partnership  with Orleans House Gallery 2025.  © Studio Ackroyd & Harvey
Oaks planted in circles as a continuation of the artwork...
Steve Potter | Dec 10, 2025

Plant Focus

Champion Quercus castaneifolia in Iran
Chestnut-leaf oak in habitat and in cultivation

All Articles

A naturally occurring hybrid between Quercus robur and Q. alba.
An entrancing and thought-provoking book
Researchers and practitioners from Guatemala, Costa Rica, Colombia, Mexico, and the United States shared latest findings on Mesoamerican...
A meditation on a fallen oak
The new design of an urban oak features many oak species
The reconstructed life story of a single Quercus petraea in the heart of Rambouillet.
A team of reporters share their take on the event.
Four days exploring oaks on the east coast of North Island
The renowned Canadian botanist, whose work included oak hybrids, died on February 26, 2025
Is Q. robur invading Q. petraea populations or is it the other way around?
A team led by IOS member Marco Neves Marques has published an extensive literature review covering oak declines in Mediterranean-type...
A rare species from the Zagros forests in Iran

Pages

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Supporting Institutional Members

Standard Institutional Members

Rice University