	Topic	Replies	Last reply
Normal topic	Morelia pre tour birding By Joyce Lee 1 week 4 days ago	0	n/a
Normal topic	Oaxaca conference accommodation By Joyce Lee 1 month 6 days ago	6	By Joyce Lee 1 week 5 days ago
Normal topic	11th IOS Conference in Oaxaca, Mexico: Travel Arrangements, etc. By Roderick Cameron 2 months 2 weeks ago	2	By Roderick Cameron 1 month 4 weeks ago
Normal topic	IOS Tour of Oregon 2023 By Website Editor 2 years 1 week ago	7	By Mike Remmick 1 year 12 months ago
Normal topic	10th IOS Conference at Las Cruces, New Mexico: Travel Arrangements, etc. By Website Editor 3 years 2 months ago	10	By Brent Moon 3 years 3 weeks ago
Normal topic	Room Sharing and Car Pooling at the IOS Conference in Davis, CA By Website Editor 6 years 11 months ago	1	By Kathryn Hurr 6 years 11 months ago
Normal topic	Fall 2015 Conference Lodging and Transportation By Megan Dunning 10 years 5 months ago	7	By Thierry Lamant 10 years 1 week ago
Normal topic	Post-Conference Tour By Website Editor 10 years 6 months ago	1	By Megan Dunning 10 years 5 months ago
Normal topic	Pre-Conference Tour By Website Editor 10 years 6 months ago	1	By Megan Dunning 10 years 5 months ago
Normal topic	Tour of Southeast Italy - Oct 20 -to 22, 2014 By Website Editor 11 years 3 months ago	0	n/a
Normal topic	Oak Open Days at Trompenburg By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 3 months ago
Normal topic	Two-day Oak Open Day in the UK: Congrove and Westonbirt By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 3 months ago
Normal topic	Oak Open Day in west-central Mississippi, USA By Website Editor 11 years 3 months ago	0	n/a
Normal topic	Oak Open Days at Aiken, SC, USA By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 6 months ago

Editor's Picks

Oaks in Oz: Australian Oak Open Days, May 8–13, 2025

Oak collections and much more in Canberra, New South Wales...

Website Editor | Aug 11, 2025

Nay! Its Née, not Neé

A controversial publication proposes to change the...

Roderick Cameron | Aug 05, 2025

Group photo with champion Quercus arkansana in Bokrijk Arboretum

Belgian Oak Open Days: May 29–June 1, 2025

A team of reporters share their take on the event.

Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt

Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’

A naturally occurring hybrid between Quercus robur and Q. alba.

IOS Events

	Topic	Replies	Last reply
Normal topic	Morelia pre tour birding By Joyce Lee 1 week 4 days ago	0	n/a
Normal topic	Oaxaca conference accommodation By Joyce Lee 1 month 6 days ago	6	By Joyce Lee 1 week 5 days ago
Normal topic	11th IOS Conference in Oaxaca, Mexico: Travel Arrangements, etc. By Roderick Cameron 2 months 2 weeks ago	2	By Roderick Cameron 1 month 4 weeks ago
Normal topic	IOS Tour of Oregon 2023 By Website Editor 2 years 1 week ago	7	By Mike Remmick 1 year 12 months ago
Normal topic	10th IOS Conference at Las Cruces, New Mexico: Travel Arrangements, etc. By Website Editor 3 years 2 months ago	10	By Brent Moon 3 years 3 weeks ago
Normal topic	Room Sharing and Car Pooling at the IOS Conference in Davis, CA By Website Editor 6 years 11 months ago	1	By Kathryn Hurr 6 years 11 months ago
Normal topic	Fall 2015 Conference Lodging and Transportation By Megan Dunning 10 years 5 months ago	7	By Thierry Lamant 10 years 1 week ago
Normal topic	Post-Conference Tour By Website Editor 10 years 6 months ago	1	By Megan Dunning 10 years 5 months ago
Normal topic	Pre-Conference Tour By Website Editor 10 years 6 months ago	1	By Megan Dunning 10 years 5 months ago
Normal topic	Tour of Southeast Italy - Oct 20 -to 22, 2014 By Website Editor 11 years 3 months ago	0	n/a
Normal topic	Oak Open Days at Trompenburg By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 3 months ago
Normal topic	Two-day Oak Open Day in the UK: Congrove and Westonbirt By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 3 months ago
Normal topic	Oak Open Day in west-central Mississippi, USA By Website Editor 11 years 3 months ago	0	n/a
Normal topic	Oak Open Days at Aiken, SC, USA By Website Editor 11 years 7 months ago	1	By Roderick Cameron 11 years 6 months ago