The Society welcomes individuals, societies, and institutions who wish to become members in any of the categories listed below. Memberships can be purchased by credit card, check, or money order.

Membership payment can be done by credit card online (by clicking on the "buy" button below), or by sending a check or money order to the Secretary/Treasurer. Click on the file name to download a Microsoft Word form (IWSS Membership Form 2012.doc) or a pdf form (IWSS Membership Form 2012.pdf).


Individual: US $30.00/year
For any individual interested in supporting the aims and objectives of the Society and realizing benefits of membership.

Click here to pay your Individual membership by credit card:
Associate: US $100.00/year
For weed science and other societies, associations, institutes, departments, or other bodies desirous of supporting the aims and objectives of the Society.

Click here to pay your Associate membership by credit card:
Lifetime: US $300.00
One time payment.
Click here to pay your Lifetime membership by credit card:
Sustaining: Variable/Year*
For any commercial organization, foundation, development bank, government department, or agricultural organization wishing to provide financial support for the Society.

* Please contact the IWSS for more information.


Dr. Ian Burke,
Associate Professor
Treasurer, Washington State Univ., USA
Phone: +1-509-335-2858