linum genus -- flax family

Berlandier's yellow flax (Linum berlandieri) -- in April -- Chihuahuan Desert Nature Center, TX   yellow & orange  

wild blue flax (Linum lewisii) -- in May --Lory State Park, CO            blue & purple          

wild blue flax (Linum lewisii) -- in May -- Crain High Plains Prairie, Boulder County, CO 

blue flax (Linum perenne) -- Left Hand Trail, Boulder County, CO     blue & purple

plains flax (Linum puberulum) -- in June -- Pawnee National Grassland, Weld County, CO    yellow and orange 

stiffstem flax (Linum rigidum) -- in August -- Pawnee National Grassland, CO        yellow & orange      

stiffstem flax (Linum rigidum) -- in August -- Sportsman Lake Road, WY   yellow & orange