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Editor's Picks

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During the month of October, I am posting daily tweets...
Andrew Hipp | Oct 12, 2019
The Mendota Dakota tribal community honored arborist Dan...
Dan Keiser | Oct 12, 2019
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Everyone who knew Lloyd will be as shocked and saddened as...
Shaun Haddock | Aug 24, 2019

Plant Focus

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Dwarf cultivars can be ideal for a small garden. Here are three "mini oaks". 

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Since 2012 I have traveled to Costa Rica four times, searching for acorns of some Quercus species that were not represented in the...
The Oaks of the Americas Conservation Network (OACN) is an interdisciplinary consortium of oak experts from universities, botanic gardens,...
As Co-Registrar of oak cultivars I think it’s important to periodically remind members about some of the exceptional selections of oaks...
The Botanical Garden of Porto is located on the west side of the city of Porto, on a plateau overlooking the mouth of the Douro River and...
Quercus semecarpifolia, commonly known as brown oak, is the main forest-forming evergreen tree species from upper temperate to subalpine...
For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...
North American oaks have a northern temperate origin and only later colonized Mexico and Central America, according to a new study. 
Our German speaking members will be interested to learn that a new book on giant oaks in Germany was published in September 2017: Riesige...
Bernard de La Rochefoucauld, long-time IOS member with his wife Brigitte, founder of l’Arboretum des Grandes Bruyères, died July 18, 2017,...
The International Oak Society celebrates its 25th anniversary at Starhill Forest Arboretum.
The Morton Arboretum and the Botanic Garden at the Benemérita Universidad Autónoma de Puebla hosted a Rare Mexican Oak Taxonomy Workshop,...
One-fourth of the United States’ oak species are now considered of conservation concern, according to data compiled by researchers at The...

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