https://www.nps.gov/zion/learn/nature/upload/ZionPlants2009.indd.pdf 3. Trifolium macilentum is certainly found there and would look to fit with your image. Sacred Cliffs | Zion National Park > Flora > Wildflowers (Orange, Red, and Pink) - Image 139 added. Maybe you have already seen this... Have trimmed your pic to see flower more clearly. 1. Collinsia parviflora? Lady Bird Johnson Wildflower Center - The University of Texas at Austin Many excellent pics here...arranged by colour. Sacred Cliffs | Zion National Park > Flora > Wildflowers (Purple and Blue) - Image 94
Thank you. I think Collinsia parviflora works for me. I think I checked these sites but didn't pay enough attention.