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Editor's Picks

Group photo at Harvard Herbarium
Taxonomists Huddle at Harvard
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares | Apr 21, 2026
Morgan and friends in Argentina
Argentine Oak Collections through Italian Eyes
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini | Apr 05, 2026
Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica
In Memoriam: Michel Duhart (1923–2026)
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia | Apr 05, 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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