The three darker shrubs, here are Holodiscus. There’s a Wax Current at the bottom of the pic still in flower just above it in light gray is some gray rabbit brush. more of each or scattered up slope. The tumbled boulders are part of the fragmenting canyon rim, originally deposited as a part of the Deschutes Formation around 5 million years ago, about 4.5 million years before the Deschutes River was redirected to its course here where it carved the canyon over a period of around 300,000 years.