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Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal © Amit Zoran
Amit Zohran's "Oakollective"
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026) © Gerald Collett
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
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ArbNet 10th Anniversary Virtual Conference

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Event Date: 
Tuesday, 14 September 2021 to Thursday, 16 September 2021

Registration is now open for the ArbNet 10th Anniversary Virtual Conference: Partnering to Protect and Plant Trees. September 14–16, 2021

ArbNet celebrated its 10-year anniversary on Arbor Day 2021 (April 30). Similar to a tree's growth, forming branches, leaves, and roots, ArbNet has grown significantly, branching out into a worldwide community of arboreta and establishing itself as an internationally recognized, resourceful network over the last 10 years. To commemorate this milestone, The Morton Arboretum will host a conference that recognizes the valuable tree collections and unique expertise of arboreta. ArbNet 10th Anniversary Virtual Conference: Partnering to Plant & Protect Trees will be an opportunity for ArbNet's community of arboreta and tree-focused professionals to engage with and learn from each other, celebrate institutional and programmatic achievements, and understand how ArbNet can be a resource for their growth.

Event Category: 
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