Wheeler County, Oregon

In the Wheeler County, Oregon web site, in their section of scenic drives, we read the following:

Another leg stretching excuse is to carefully prowl the slopes in search of the red blooms and sharp spines of hedgehog and prickly pear cactus. I meant it when I said carefully. Once I had been inclined to photograph the roadside flower bonanza when I experienced my first Oregon cactus; its piercing needles bayoneted my foot, right through my shoe!

Hmmm. Hedgehog cactus? In Oregon? Pediocacti, Opuntias, maybe Coryphanthas...but Echinocereus? Hey, any of you more experienced Oregon cactus explorers, help me out here! Though they could grow there, I don't know of any Echinocereus stands in the state. But, hey...