Plant Focus

Species Spotlight: Quercus macdougallii Martínez

By Nelly Pacheco Cruz | November 30, 2022

A rare oak endemic to the Sierra Juárez in Oaxaca

Read more about Species Spotlight: Quercus macdougallii Martínez

A New Species of Oak from Vietnam

By Roderick Cameron | October 19, 2022

Quercus sontraensis grows in the Son Tra Peninsula

Read more about A New Species of Oak from Vietnam

Species Spotlight: Quercus tonduzii Seemen

By Francisco Garin... | August 21, 2022

An oak found only on a volcano in Costa Rica

Read more about Species Spotlight: Quercus tonduzii Seemen

Species Spotlight: Quercus mohriana Buckley ex Rydb.

By Adam Black | April 16, 2022

A shrub oak from the U.S. Southwest

Read more about Species Spotlight: Quercus mohriana Buckley ex Rydb.

Hybrid Highlight: the Langtry Oak

By Thierry Lamant | April 13, 2022

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

Read more about Hybrid Highlight: the Langtry Oak

Species Spotlight: Quercus leucotrichophora A. Camus

By Meenakshi Negi | February 12, 2022

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

Read more about Species Spotlight: Quercus leucotrichophora A. Camus

Species Spotlight: Quercus costaricensis Liebm.

By Francisco Garin... | November 25, 2021

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

Read more about Species Spotlight: Quercus costaricensis Liebm.

Cultivar Close-Up: Quercus aliena 'Lutea'

By Roderick Cameron | October 11, 2021

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

Read more about Cultivar Close-Up: Quercus aliena 'Lutea'

Species Spotlight: Quercus infectoria subsp. veneris (A. Kern.) Meikle

By Jean Stephan | October 10, 2021

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

Read more about Species Spotlight: Quercus infectoria subsp. veneris (A. Kern.) Meikle

Hybrid Highlight: Quercus ×comptoniae Sarg.

By Roderick Cameron | June 16, 2021

The Compton oak at Colonial Williamsburg

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

Read more about Hybrid Highlight: Quercus ×comptoniae Sarg.

Editor's Picks

AcornBar: The Latest Development in Acorn Cuisine

The story behind acorn snacks enjoyed on IOS Tours last year

Editorial Staff | Jun 27, 2025

New Zealand Oak Open Days: May 15–18, 2025

Four days exploring oaks on the east coast of North Island

Website Editor | Jun 21, 2025

Tornado Strikes Starhill Forest Arboretum

Many trees have been lost due to an intense storm on May 15

Guy Sternberg | May 26, 2025

Species Spotlight: Quercus carduchorum K.Koch

A rare species from the Zagros forests in Iran

Species Spotlight: Quercus macdougallii Martínez

By Nelly Pacheco Cruz | November 30, 2022

A rare oak endemic to the Sierra Juárez in Oaxaca

Read more about Species Spotlight: Quercus macdougallii Martínez

A New Species of Oak from Vietnam

By Roderick Cameron | October 19, 2022

Quercus sontraensis grows in the Son Tra Peninsula

Read more about A New Species of Oak from Vietnam

Species Spotlight: Quercus tonduzii Seemen

By Francisco Garin... | August 21, 2022

An oak found only on a volcano in Costa Rica

Read more about Species Spotlight: Quercus tonduzii Seemen

Species Spotlight: Quercus mohriana Buckley ex Rydb.

By Adam Black | April 16, 2022

A shrub oak from the U.S. Southwest

Read more about Species Spotlight: Quercus mohriana Buckley ex Rydb.

Hybrid Highlight: the Langtry Oak

By Thierry Lamant | April 13, 2022

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

Read more about Hybrid Highlight: the Langtry Oak

Species Spotlight: Quercus leucotrichophora A. Camus

By Meenakshi Negi | February 12, 2022

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

Read more about Species Spotlight: Quercus leucotrichophora A. Camus

Species Spotlight: Quercus costaricensis Liebm.

By Francisco Garin... | November 25, 2021

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

Read more about Species Spotlight: Quercus costaricensis Liebm.

Cultivar Close-Up: Quercus aliena 'Lutea'

By Roderick Cameron | October 11, 2021

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

Read more about Cultivar Close-Up: Quercus aliena 'Lutea'

Species Spotlight: Quercus infectoria subsp. veneris (A. Kern.) Meikle

By Jean Stephan | October 10, 2021

Read more about Species Spotlight: Quercus infectoria subsp. veneris (A. Kern.) Meikle

Hybrid Highlight: Quercus ×comptoniae Sarg.

By Roderick Cameron | June 16, 2021

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

Read more about Hybrid Highlight: Quercus ×comptoniae Sarg.

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