The Yakima Valley Mushroom Society was founded in fall of 2010, and was incorporated in the State of Washington as a nonprofit on May 6, 2013. The founding Directors were:
Initially, the Society met at the Yakima Area Arboretum until 2018. Meetings are now held at the Selah Grange.
The purpose of YVMS is to foster the understanding of mycology as a science and a hobby, and to assist related institutions in these purposes.