delphinium genus --- buttercup family

alpine larkspur (Delphinium alpestre) -- in July -- Boreas Pass Road, Park County, CO      blue & purple 

alpine larkspur (Delphinium alpestre) -- in July -- Rollins Pass Road, Gilpin County, CO

subalpine larkspur (Delphinium barbeyi) -- in July -- Colorado State Forest State Park, CO    blue & purple ​    

subalpine larkspur (Delphinium barbeyi) -- in June -- Ohio Pass Road, Gunnison Road, CO  

subalpine larkspur (Delphinium barbeyi) -- in July -- Boreas Pass Road, Summit County, CO

little larkspur (Delphinium bicolor) -- in June -- Devils Tower National Monument, WY          blue & purple ​ 

Carolina larkspur (Delphinium carolinianum ssp. virescens) -- in June -- Coyote Ridge, Fort Collins NA, CO        white & cream     

Carolina larkspur (Delphinium carolinianum ssp. virescens) -- in May -- Picketwire Canyon, Comanche National Grassland, CO

Geyer's larkspur (Delphinium geyeri) -- in June -- Orchard Cove Trail, Lory State Park, CO    blue & purple ​    

Geyer's larkspur (Delphinium geyeri) -- in June -- Maxwell, Fort Collins Natural Area, Larimer County, CO

Geyer's larkspur (Delphinium geyeri) -- in July -- Young Gulch, Poudre Canyon, Larimer County, CO

Sierra larkspur (Delphinium glaucum) -- in July -- Shoshone National Forest, northern Wyoming     blue & purple ​

Nuttall's larkspur (Delphinium nuttallianum) -- in June -- Lower Dadd Gulch, Poudre Canyon, Larimer County, CO

Nuttall's larkspur (Delphinium nuttallianum) -- in March -- South Valley Park, Denver Area, CO      blue & purple ​  

Nuttall's larkspur (Delphinium nuttallianum) -- in April -- Well Gulch Nature Trail, Lory State Park, CO    

Nuttall's larkspur (Delphinium nuttallianum) -- in June -- Sand Creek, WY

Nuttall's larkspur (Delphinium nuttallianum) -- in July -- Caribou Ranch Open Space, Boulder County, CO

western larkspur (Delphinium occidentale) -- in July -- Buffalo Pass Road, Jackson County, CO     blue & purple 

western larkspur (Delphinium occidentale) -- in July -- Grand Teton National Park, WY

desert larkspur (Delphinium scaposum var. scaposum) -- in May -- Canyons of the Ancients National Monument, CO   ​blue & purple

Rocky Mountain larkspur (Delphinium scopulorum) -- in September -- Lincoln National Forest, NM       blue & purple ​   

Organ Mountain larkspur (Delphinium wootonii) -- in April -- Organ Mountains-Desert Peaks National Monument, NM   red & pink