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By Ryan Russell |
Aug 1, 2016

Found in the late 1980s by Guy Sternberg in Springfield, Illinois, this selection was noted early on for its rapid growth rate and strong central leader. 

By Ryan Russell |
Aug 1, 2016

This cultivar was selected by Raimond Cinovskis, from the Botanical Garden of the Academy of Sciences, Salapils, Latvia and was introduced by Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Průhonice, Czech Republic.

By Ryan Russell |
Aug 1, 2016

Named in honor of one of America’s first botanists, John Bartram, Quercus ×heterophylla is known by many as Bartram’s oak.

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

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

By Michael Avishai |
Jun 4, 2016
Quercus ithaburensis

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

By Matt Lobdell |
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.

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