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Editor's Picks

Phylogenetic tree
An Updated Infrageneric Classification of the North American Oaks
IOS members Paul Manos (Duke University) and Andrew Hipp (...
Andrew Hipp | Jun 16, 2021
lyytikkyla_oak_2021.jpg
The Lyytikkylä Oak in Finland
Despite damage, the Lyytikkylä Oak is still the thickest...
Juha Fagerholm | Jun 10, 2021
Quercus cerris champion tree in spring 2016. Photo from Šušić et al. (2016)
Sacred Oaks of Serbia
In Serbian tradition, in almost every village or hamlet...
Nikola Šušić | Jun 10, 2021

Plant Focus

The Compton oak at Colonial Williamsburg
Hybrid Highlight: Quercus ×comptoniae Sarg.
A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)
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IOS Journal Archive

Cover IOS Journal No. 32 International Oaks No. 32
ios_journal31-cover.jpg International Oaks No. 31
ios_2019-cover.jpg International Oaks No. 30
cover_ios_29.jpg International Oaks No. 29
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International Oaks No. 1 - Special Commemorative Republication (March 1992)
International Oaks No.1 Original Edition