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Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Cyprus, April-May 2026 – Vacation Impressions
Images and insights from Ezra Barnea’s journey to Cyprus’s...
Ezra Barnea | Jun 13, 2026
Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.
Epigenetics as a Potential Mechanism of Rapid Response to Climate Change in the Endangered Oak Quercus hinckleyi
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor | Jun 09, 2026
The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak
The Threat to California’s Oaks Is Greater than Had Been Anticipated
New paper should significantly change our approach to...
Steve Potter | Jun 09, 2026

Plant Focus

Quercus orocantabrica
Species Spotlight: Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...
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Mark Frith: a Legacy of Ancient Oaks

Event Date: 
Saturday, 6 October 2018 to Sunday, 17 March 2019

An exhibition at Royal Botanic Gardens, Kew (UK) that will be of interest to IOS members: Mark Frith's breathtaking portraits highlight the architectural beauty of tree trunks, bark and branches in winter. This series of 20 highly intricate, large scale graphite drawings by Mark Frith depicts Britain’s most characterful veteran oaks, many of which are more than 1,000 years old. 

Venue: Shirley Sherwood Gallery of Botanical Art 

Event Category: 
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