The Tree-Ring Society is now a recognized 501(c)(3) USA nonprofit!  This means that your donation may be tax deductible.  (Consult the IRS guidelines for further information)

Your donation helps to support the Tree-Ring Society's goals which include:

  • To provide a forum for dendrochronologists to communicate by financially supporting conferences and workshops all over the world.  Your support helps to pay for conference costs as well as to provide travel support for students and other attendees with financial hardships.
  • To publish results of tree-ring studies in our journal Tree-Ring Research

Making a Donation

We accept PayPal or major credit cards.  PayPal is the credit card processor we use, but you do not need to join PayPal to use your credit card.  All transactions are secure and the Tree-Ring Society does not share your information. 

Should you need assistance with making a donation, please contact us at:

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For questions or comments about the website, contact Peter M. Brown (pmb [at] The Tree-Ring Society is a 501(c)3 non-profit association. 
Address membership questions to Lori Wilson (trslori [at] gmail dot com)

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