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Editor's Picks

It may surprise you to learn that we are not the first Oak...
Shaun Haddock | Dec 15, 2018
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This blog post focuses on the day and a half we spent in...
Charles Snyers | Dec 02, 2018
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This blog entry focuses on the Engelmann oak grove at Los...
Charles Snyers | Dec 15, 2018

Plant Focus

For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...

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Centenary celebrations related to the First World War (1914-1918) will be taking place throughout the 2014-2018 period, but 2015 will...
Karl Georg Theodor Kotschy was an Austrian botanist and eminent plant explorer. He died 150 years ago in Vienna on June 11, 1866.
North American oaks have a northern temperate origin and only later colonized Mexico and Central America, according to a new study. 
Quercus ilicifolia is a little oak with a big name: bear oak. 
The New Mexico Oak Open Days were a six-day whirlwind tour of the state covering more than 1,400 miles. Led by IOS founding member Michael...
Quercus ithaburensis Decne. is a deciduous oak species native to the East Mediterranean basin. 
This article is an account of the oak field trip organized by Michael Meléndrez in New Mexico (and a bit of Arizona) in August 2017. 
Twenty-six participants from ten countries arrived to take part in the European celebration of the IOS’s twenty-fifth birthday at Dušan...
A naturally occurring hybrid, widely adopted by the nursery trade in the form of cultivars, labors under a misnomer: there is precious...
The first IOS Oak Open Day event south of the Equator took place April 22-24, 2016, in Argentina.
The Oaks of the Americas Conservation Network (OACN) is an interdisciplinary consortium of oak experts from universities, botanic gardens,...
As Co-Registrar of oak cultivars I think it’s important to periodically remind members about some of the exceptional selections of oaks...

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