Arches National Park, Chaenactis stevioides

Common name: broad-flower pincushion, Esteve's dusty-maiden. Family: Asteraceae (sunflower family).
Confirmed as present in the following Northern Colorado Plateau Network parks:
Arches National Park,
Canyonlands National Park,
Capitol Reef National Park,
Colorado National Monument,
Dinosaur National Monument,
Hovenweep National Monument,
Pipe Spring National Monument,
Zion National Park