Rosa genus --- Rose subfamilY 2  

prickly rose (Rosa acicularis ssp. sayi) -- in July -- Rollins Pass Road, Gilpin County, CO          red & pink ​

prairie rose (Rosa arkansana) -- in June -- Neva Road/ 36, Boulder County, CO     red & pink ​  

wild rose (Rosa woodsii) -- in May -- Orchard Cove Trail, Lory State Park, CO         red & pink