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Editor's Picks

The oak tree in Skjomendalen © Gerhard Sørensen-Fuglem and Cecilia Piccirilli Bjerkeset
An oak grows north of the Arctic Circle in Norway
Website Editor | Aug 14, 2023
Unusual symptoms linked to phytoplasma infection in Quercus humboldtiii, Colombia © Eric Boa
Symptoms linked to phytoplasma infection found in Quercus...
Website Editor | Aug 06, 2023
Different names are being used for one species.
Website Editor | Jun 20, 2023

Plant Focus

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson
A Critically Endangered dwarf oak 

Caps and T-shirts for Sale!

Caps and T-shirts from the 10th IOS Conference are available for purchase (IOS members only). The cap features the IOS logo; the T-shirt has the Las Cruces Conference logo (designed by Ryder Russell) on the front and on the back illustrations by botanical illustrator David More of different oak species from the U.S. Southwest. Five different designs are available: Quercus ajoensis, Q. graciliformis, Q. palmeri, Q. gravesii, and Q. rugosa (each T-shirt features one species).

10th Conference T-Shirts
10th IOS Conference T-shirts

The following sizes are available: 

  • Q. ajoensis: Small, Large
  • Q. graciliformis: Small, 3X-Large
  • Q. palmeri: Small, Medium, Large
  • Q. gravesii: Small, Large
  • Q. rugosa: Small

The cost of the cap is USD 15; T-shirts are USD 13 each. To order these items please write to postmaster@internationaloaksociety.org. Shipping cost will depend on the destination and will be confirmed when you place your order.

IOS Caps
International Oak Society cap

A special thank you to Ryder and David for contributing their artwork!