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Editor's Picks

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An intercontinental artifical hybrid raised at Arboretum...
Roderick Cameron | Apr 12, 2020
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David More shares some of his magnificent illustrations of...
David More | Apr 08, 2020
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A project aims to recover and restore habitats in Serra de...
Justin Roborg-Söndergaard | Apr 07, 2020

Plant Focus

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First described by the Japanese botanist Bunzō Hayata in 1913, Quercus hypophaea is a medium to large evergreen oak restricted to the...

Latest Articles

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A database that pools information on oak trees in collections around the world.
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First described by the Japanese botanist Bunzō Hayata in 1913, Quercus hypophaea is a medium to large evergreen oak restricted to the southeastern part of Taiwan.
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Quercus acerifolia (maple-leaf oak) is an endangered species in the wild (IUCN Red List)and a highly sought-after species in cultivation.

Latest Blog Posts

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Quercus sagrana and Q. uxoris cuttings take root.
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Two papers report on research that use oak tree-rings to understand aspects of Ancient Rome.
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A stopover in Belize allowed me a day of driving through a natural reserve where I was able to spot about half of the 11 oaks reported to grow in Belize.
The Mendota Dakota tribal community honored arborist Dan Keiser at their annual pow wow in September of 2019.
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In the early summer, when the constant battle against weeds had us nearly to the point of insanity, we decided to escape for a couple of days southwards over the Pyrenees via the Somport Pass . . .

Upcoming Events

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Jul 11, 2019 to Jul 12, 2020
(This event has been canceled due to the ongoing COVID-19 restrictions) 
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Oct 18, 2020 to Oct 24, 2020
Ezra Barnea is organizing a five-day Tour of oak-rich sites in Israel.
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Oct 24, 2021 to Oct 27, 2021
Further details, including registration procedure and information on Tours, will be posted here as soon as they become available.
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