erodium genus --- geranium family
stork's bill (Erodium cicutarium) -- in March -- Bellvue, CO red & pink CO-F
stork's bill (Erodium cicutarium) -- in April -- Arthur's Rock Trail, Lory State Park, CO
stork's bill (Erodium cicutarium) -- in July -- Carter Lake Open Space, Larimer County, CO
Texas stork's bill (Erodium texanum) -- in March -- Globe, Organ Pipe Cactus National Monument, AZ red & pink AZ-SRN