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Editor's Picks

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Back from the Brink: Quercus tardifolia
A single specimen found!
Website Editor | Aug 11, 2022
Quercus engelmannii seedling
Importing Endangered Engelmann Oaks into Australia
Importing acorns for ex-situ conservation
Josephine Brennan | Aug 02, 2022
Quercus welshii on dunes site south of Kayenta, Ariz.
Scouting for Quercus welshii
A threatened oak found in northern Arizona and southern...
Cindy Newlander | Jul 31, 2022

Plant Focus

Quercus tonduzii with acorn
Species Spotlight: Quercus tonduzii Seemen
An oak found only on a volcano in Costa Rica
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IOS Journal Archive

Cover IOS Journal No. 32 International Oaks No. 32 (2021)
ios_journal31-cover.jpg International Oaks No. 31 (2020)
ios_2019-cover.jpg International Oaks No. 30 (2019)
cover_ios_29.jpg International Oaks No. 29 (2018)
International Oaks No. 28 (2017)
International Oaks No. 27 (2016)
International Oaks No. 26 (2015)
International Oaks No. 25 (2014)
International Oaks No. 24
International Oaks No. 23
International Oaks No. 22
International Oaks No. 21
International Oaks No. 20
International Oaks No. 19
International Oaks No. 18
International Oaks No. 17
International Oaks No. 16
International Oaks No. 15
International Oaks No. 14
International Oaks No. 13
International Oaks No. 12
International Oaks No. 11
International Oaks No. 10
International Oaks No. 9
International Oaks No. 8
International Oaks No. 7
International Oaks No. 6
International Oaks No. 5
International Oaks No. 4
International Oaks No. 3
International Oaks No. 2
International Oaks No. 1 - Special Commemorative Republication - March 1992
International Oaks No.1 Original Edition