This past May, the IOS Board of Directors met for our regular spring meeting. The following information is a snapshot of what was discussed and what was voted on.
Posted Tue, 2026-08-18 18:59 in Ryan Russell's blog
Over U$S 2,000 raised for student scholarships
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
Support the IOS by donating items for the Silent Auction
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
I enjoy finding giant trees, and always keep an eye open and a tape measure handy. Some of my finds are only giants in the sense that they are large for their species, such as my National...
Posted Thu, 2018-08-16 18:09 in Ryan Russell's blog
Following a very mild South Carolina winter, many species of plants had begun to break dormancy by mid-March, nearly a month ahead of schedule, setting the table for a potentially disastrous...
Posted Mon, 2017-08-21 19:14 in Ryan Russell's blog
Late September in Missouri is typically the start of acorn season, the most important time of the year for a quercophile. My good friend, Alan Branhagen, Director of Horticulture for Powell...
Posted Sun, 2015-11-22 11:34 in Ryan Russell's blog
The urban forest provides municipalities, homeowners, business owners, and visitors with many wonderful benefits, but it can also present unique problems. Urban trees may reach proportions...
Posted Sun, 2015-05-31 15:10 in Ryan Russell's blog
The upcoming IOS Conference for the first time will feature a silent auction. The proceeds will fund scholarships for students wishing to attend the 2018 Conference.
Posted Sat, 2015-05-30 16:41 in Ryan Russell's blog
This tree had not been pruned for many years, if at all and as a result it had grown competing leaders. These co-dominant stems were already becoming an issue and if left unchecked, would become...
Posted Thu, 2015-01-15 00:50 in Ryan Russell's blog
While it is very well known that oaks hybridize, can you call every oak you may find with atypical leaves, bark, or acorns a hybrid?
Posted Fri, 2014-12-19 18:03 in Ryan Russell's blog
Quercus ×egglestonii in Fairview Park in Columbia, Missouri.
Posted Sun, 2014-11-23 03:46 in Ryan Russell's blog
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Editor's Picks
While working on a list of synonyms of European White...
Roderick Cameron
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Aug 24, 2026
Report led by The Morton Arboretum will help prioritize oak...
Website Editor
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Aug 06, 2026
Motivation
I live in the village of Dolné Dubové...
Jozef Čapkovič
|
Jul 20, 2026
Plant Focus
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.
This past May, the IOS Board of Directors met for our regular spring meeting. The following information is a snapshot of what was discussed and what was voted on.
Posted Tue, 2026-08-18 18:59 in Ryan Russell's blog
Over U$S 2,000 raised for student scholarships
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
Support the IOS by donating items for the Silent Auction
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
I enjoy finding giant trees, and always keep an eye open and a tape measure handy. Some of my finds are only giants in the sense that they are large for their species, such as my National...
Posted Thu, 2018-08-16 18:09 in Ryan Russell's blog
Following a very mild South Carolina winter, many species of plants had begun to break dormancy by mid-March, nearly a month ahead of schedule, setting the table for a potentially disastrous...
Posted Mon, 2017-08-21 19:14 in Ryan Russell's blog
Late September in Missouri is typically the start of acorn season, the most important time of the year for a quercophile. My good friend, Alan Branhagen, Director of Horticulture for Powell...
Posted Sun, 2015-11-22 11:34 in Ryan Russell's blog
The urban forest provides municipalities, homeowners, business owners, and visitors with many wonderful benefits, but it can also present unique problems. Urban trees may reach proportions...
Posted Sun, 2015-05-31 15:10 in Ryan Russell's blog
The upcoming IOS Conference for the first time will feature a silent auction. The proceeds will fund scholarships for students wishing to attend the 2018 Conference.
Posted Sat, 2015-05-30 16:41 in Ryan Russell's blog
This tree had not been pruned for many years, if at all and as a result it had grown competing leaders. These co-dominant stems were already becoming an issue and if left unchecked, would become...
Posted Thu, 2015-01-15 00:50 in Ryan Russell's blog
While it is very well known that oaks hybridize, can you call every oak you may find with atypical leaves, bark, or acorns a hybrid?
Posted Fri, 2014-12-19 18:03 in Ryan Russell's blog
Quercus ×egglestonii in Fairview Park in Columbia, Missouri.
Posted Sun, 2014-11-23 03:46 in Ryan Russell's blog
Pages
The International Oak Society acknowledges the generous support of the following institutions:
Supporting Institutional Members
Standard Institutional Members
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The International Oak Society acknowledges the generous support of the following institutions:
Supporting Institutional Members
Standard Institutional Members
