Pediocactus nigrispinus Taxonomy: Cactaceae, Pediocactus Category: Dicot Scientific NamePediocactus nigrispinus (Hochstätter) HochstätterFamilyCactaceaeCommon Namessnowball cactusEastern WashingtonNativeConservation StatusNotes Click on any image to enlarge it. Kittitas Co.; 5/9/2013Kittitas Co.; 5/9/2013Kittitas Co.; 5/9/2013Kittitas Co.; 5/9/2013Kittitas Co.; 5/9/2013Kittitas Co.; 5/9/2013Grant Co.; 4/25/2014Grant Co.; 4/25/2014Grant Co.; 4/25/2014Grant Co.; 4/25/2014Grant Co.; 4/25/2014Grant Co.; 4/25/2014