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Species Spotlight: Quercus mohriana Buckley ex Rydb.

By Adam Black | April 16, 2022
Quercus mohriana

A shrub oak from the U.S. Southwest

Hybrid Highlight: the Langtry Oak

By Thierry Lamant | April 13, 2022
q.sp_._langtry_3.jpg

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

Species Spotlight: Quercus leucotrichophora A. Camus

By Meenakshi Negi | February 12, 2022
figure_2.jpg

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

 

Species Spotlight: Quercus costaricensis Liebm.

By Francisco Garin... | November 25, 2021
Quercus costaricensis leaves

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

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)

Cultivar Close-Up: Quercus ‘New Madrid’, Sorting Out the Confusion

By Ryan Russell | February 9, 2021
Quercus texana New Madrid acorn

Disentangling the cultivar published as Quercus texana ‘New Madrid’

Pages

Editor's Picks

Michel Gandoger
Gandoger the Memorious
While working on a list of synonyms of European White...
Roderick Cameron | Aug 24, 2026
Cover of Select Native Asian Oaks Gap Analysis
Conservation Gap Analysis of Select Native Asian Oaks
Report led by The Morton Arboretum will help prioritize oak...
Website Editor | Aug 06, 2026
A1's 2024 crop of acorns
Early Fruiting Quercus robur in Slovakia
Motivation I live in the village of Dolné Dubové...
Jozef Čapkovič | Jul 20, 2026

Plant Focus

Quercus afares, Kew, © James MacEwen
Species Spotlight: Quercus afares Pomel
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.
Read more

Plant Focus

Species Spotlight: Quercus mohriana Buckley ex Rydb.

By Adam Black | April 16, 2022
Quercus mohriana

A shrub oak from the U.S. Southwest

Hybrid Highlight: the Langtry Oak

By Thierry Lamant | April 13, 2022
q.sp_._langtry_3.jpg

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

Species Spotlight: Quercus leucotrichophora A. Camus

By Meenakshi Negi | February 12, 2022
figure_2.jpg

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

 

Species Spotlight: Quercus costaricensis Liebm.

By Francisco Garin... | November 25, 2021
Quercus costaricensis leaves

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

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)

Cultivar Close-Up: Quercus ‘New Madrid’, Sorting Out the Confusion

By Ryan Russell | February 9, 2021
Quercus texana New Madrid acorn

Disentangling the cultivar published as Quercus texana ‘New Madrid’

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo

The John Fairey Garden

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
KOAGI logo
Oak Spring Foundation
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden
The Huntington