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Seeking Quercus austrina for Conservation

By Alexandra Faidiga | February 15, 2024
Typical bluff oak habitat

A team from Holden Forests & Gardens traveled south to collect bluff oak acorns.

Trials and Tribulations of Quercus marlipoensis

By Website Editor | February 15, 2024
Quercus marlipoensis acorns

A new study has analyzed the germination characteristics of Quercus marlipoensis.

Conservation Efforts for Quercus cedrosensis

By Website Editor | December 5, 2023
Air layering Quercus cedrosensis - photo Greg Bluffin

Air layering is being used to propagate a rare oak.

Are Quercus calliprinos and Q. coccifera the Same or Distinct Species?

By Jean Stephan | December 4, 2023
Quercus calliprinos acorn

Dr. Jean Stephan reviews the taxonomic status of kermes oak.

Pages

Editor's Picks

Quercus sp. Ardnamurchan Peninsula
Oaks in Scotland: An Unresolved Question?
Is Q. robur invading Q. petraea populations or is it the...
Steve Potter | Apr 17, 2025
Acorn of Quercus carduchorum
Species Spotlight: Quercus carduchorum K.Koch
A rare species from the Zagros forests in Iran
Website Editor | Apr 17, 2025
Compton Oak in 2023
The Origin, Locations, and Date of Planting of Colonial Williamsburg’s Compton Oak
The landmark oak was found as a naturally occurring hybrid
Ricklin Brown | Apr 05, 2025

Plant Focus

Quercus kotschyana fruit and leaves in Jaj cedars nature reserve
Species Spotlight: Quercus kotschyana O.Schwarz
A rare oak endemic to Lebanon.
Read more

Dendrology

Seeking Quercus austrina for Conservation

By Alexandra Faidiga | February 15, 2024
Typical bluff oak habitat

A team from Holden Forests & Gardens traveled south to collect bluff oak acorns.

Trials and Tribulations of Quercus marlipoensis

By Website Editor | February 15, 2024
Quercus marlipoensis acorns

A new study has analyzed the germination characteristics of Quercus marlipoensis.

Conservation Efforts for Quercus cedrosensis

By Website Editor | December 5, 2023
Air layering Quercus cedrosensis - photo Greg Bluffin

Air layering is being used to propagate a rare oak.

Are Quercus calliprinos and Q. coccifera the Same or Distinct Species?

By Jean Stephan | December 4, 2023
Quercus calliprinos acorn

Dr. Jean Stephan reviews the taxonomic status of kermes oak.

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
 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
The Huntington
The John Fairey Garden