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By Website Editor |
Jul 31, 2016

A reliable asexual propagation method for oaks is crucial for intrducing superior hybrid oak selections into the nursery trade as named cultivars. 

By Eike Jablonski |
Jun 11, 2016

Karl Georg Theodor Kotschy was an Austrian botanist and eminent plant explorer. He died 150 years ago in Vienna on June 11, 1866.

By Roderick Cameron |
Jun 9, 2016

The first IOS Oak Open Day event south of the Equator took place April 22-24, 2016, in Argentina.

By Website Editor |
Jun 4, 2016

Quercus ilicifolia is a little oak with a big name: bear oak. 

By Michael Avishai |
Jun 4, 2016

A review of the assemblage of the oaks known as the "vallonea oaks" or "aegilops oaks" from the Eastern Mediterranean and the Levant.

By Anonymous |
Apr 4, 2016

Following the 2015 IOS Conference, the Plant Collecting Collaborative traveled to the Southeastern United States on a seed collection expedition with a goal of collecting as many Quercus taxa as possible, particularly focusing on species of conservation concern.

By Roderick Cameron |
Apr 3, 2016

The subject of the latest addition to our series on Historic Oaks may seem an odd choice, for all that remains of the tree is an ivy-covered stump in the grounds of an Abbey in Nottinghamshire, England. This stump, however, merits our attention, for thereby hangs not only a tale, but a poem.

By Shaun Haddock |
Jan 28, 2016

In July 2015 a group of IOS members visited Gredington in north Wales and Ness Botanic Garden near Liverpool, England.

By Roderick Cameron |
Jan 26, 2016

At the Gala Banquet held in the Gingko Restaurant of The Morton Arboretum on Tuesday, October 20, the International Oak Society presented its 2015 Service Awards. 

By Roderick Cameron |
Jan 26, 2016

Quercus crassifolia is tree ranging in height from 4 to 15 meters, and is usually easily recognized by its leaves: stiff and leathery, glossy blackish green above, covered with a layer of pale brown hairs beneath, and with bristle-tipped teeth above the widest part of the leaf.

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