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Editor's Picks

Karl Georg Theodor Kotschy was an Austrian botanist and...
Eike Jablonski | Jun 11, 2016
Quercus grisea - Greenlee County, AZ
This article is an account of the oak field trip organized...
Charles Snyers | Sep 22, 2017
North American oaks have a northern temperate origin and...
Website Editor | Oct 12, 2017

Plant Focus

Quercus acutissima subsp. kingii
Quercus acutissima Carruth. is a species whose natural distribution covers a vast territory in East and Southeast Asia, from central Nepal...

Plant Focus

Hybrid Highlight: Quercus ×heterophylla F. Michx.

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

Species Spotlight: Quercus ilicifolia Wangenh.

Quercus ilicifolia

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

Species Spotlight: Quercus crassifolia Bonpl.

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.

Species Spotlight: Quercus rotundifolia Lam.

A Mediterranean oak with a long-standing relationship with humanity.

Species Spotlight: Quercus georgiana M.A. Curtis

Georgia oak is known from 15 counties in Georgia and possibly small pockets in Alabama, with an unverified report in North Carolina. One of these locations is Stone Mountain, just northeast of Atlanta, GA

Propagation and reintroduction of an endangered oak: Quercus austrocochinchinensis. An article by Qian-sheng Li and Min Deng, orginally published in Oak News & Notes, Vol. 18. No. 1

Species Spotlight: Quercus pubescens Willd.

Quercus pubescens Willd. is a species with a wide native range, found across the European continent, from Portugal to Lebanon and from Russia into Southern Germany.

A new species of oak, Quercus delgadoana

An oak in cultivation as Quercus eugeniifolia has now been described as a new species,  Quercus delgadoana S. Valencia, Nixon & L. M. Kelly (Novon June 2011)

Pleistocene clone of Quercus palmeri Engelm.

The distribution of Palmer's oak (Quercus palmeri Engelm.) includes numerous isolated populations that are presumably relicts of a formerly larger range that has contracted due to spreading aridity following the end of the Pleistocene.

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