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Editor's Picks

Allan Taylor
A long-standing member of the IOS and fomer editor of Oak...
Panayoti Kelaidis | Dec 17, 2022
A new study resolves many nomenclatural problems in the...
Carlos Vila-Viçosa | Dec 09, 2022
The team at SDZWA
Christy Powell of the San Diego Zoo Wildlife Alliance works...
Amy Byrne | Dec 06, 2022

Plant Focus

Quercus macdougallii
A rare oak endemic to the Sierra Juárez in Oaxaca

Plant Focus

Species Spotlight: Quercus macdougallii Martínez

Quercus macdougallii

A rare oak endemic to the Sierra Juárez in Oaxaca

A New Species of Oak from Vietnam

Quercus sontraensis

Quercus sontraensis grows in the Son Tra Peninsula

Species Spotlight: Quercus tonduzii Seemen

Quercus tonduzii with acorn

An oak found only on a volcano in Costa Rica

Hybrid Highlight: the Langtry Oak


A section Lobatae oak found in southern Texas may be a distinct, undescribed species.

Species Spotlight: Quercus leucotrichophora A. Camus


The decline in regeneration potential of Quercus leucotrichophora is of great concern in the Kumaun Himalayan region.


Species Spotlight: Quercus costaricensis Liebm.

Quercus costaricensis leaves

Quercus costaricensis is a Central American oak belonging to the subgenus Quercus, section Lobatae.

Cultivar Close-Up: Quercus aliena 'Lutea'


A gold-leaf cultivar of a Japanese oak is popular in Australia

Figure 2: Lobed leaves of Boissier oak covered with honeydew, Baskinta, Lebanon

Boissier oak was originally named Quercus boissieri Reut. and later Quercus boissieri var. latifolia (Boiss.) Zohary, but the current accepted name is Q. infectoria subsp. veneris (A. Kern.) Meikle

Hybrid Highlight: Quercus ×comptoniae Sarg.

The Compton oak at Colonial Williamsburg

A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)