poppy family (Papaveraceae)
white prickly poppy (Argemone albiflora) -- in April -- Big Bend Ranch State Park, TX white & cream
Chisos Mountain prickly poppy (Argemone chisosensis) -- in April -- Big Bend National Park, Texas red & pink
rough pricklypoppy (Argemone hispida) -- in June -- Soderberg Open Space, Larimer County, Co
rough pricklypoppy (Argemone hispida) -- in July -- Red Mountain Open Space, Larimer County, CO white & cream
flatbud pricklypoppy (Argemone munita) -- in March -- I-15 in southern Utah white & cream
flatbud pricklypoppy (Argemone munita) -- in July -- off of I-70 in northern Utah white & cream
prickly poppy (Argemone polyanthemos) -- in August -- South Valley Loop Trail, Lory State Park, CO white & cream
prickly poppy (Argemone polyanthemos) -- in July -- Cherokee Park Road, Roosevelt National Forest, CO
prickly poppy (Argemone polyanthemos) -- in July -- Young Gulch, Poudre Canyon, Larimer County, CO
prickly poppy (Argemone polyanthemos) -- in September -- Poudre Canyon, Laramie County, CO
California poppy (Eschscholzia californica) -- in March -- Buenos Aires National Wildlife Refuge, AZ yellow & orange
California poppy (Eschscholzia californica) -- in March -- Organ Pipe Cactus National Monument, AZ
California poppy (Eschscholzia californica) -- in April -- Dripping Springs Natural Area, NM
desert poppy (Eschscholzia glyptosperma) -- in March -- Salt River Canyon, Tonto National Forest, AZ yellow & orange
desert poppy (Eschscholzia glyptosperma) -- in March -- U.S. 95 in southern Nevada
pygmy poppy (Eschscholzia minutiflora) -- in March -- Palo Verde, southern California yellow & orange
alpine poppy (Papaver coloradense) -- in July -- Old Fall River Road, Rocky Mountain National Park, CO yellow & orange
oriental poppy (Papaver orientale) -- in June -- High Line Canal, Denver Area yellow & orange