Aquilegia chrysantha var. rydbergii (Golden Columbine)
Colorado populations of A. chrysantha supposedly have spurs only 35-40 mm long, which was the justification for the varietal status.
SNA
Aquilegia desertorum (Desert Columbine)
Stems slender, glandular hairy above, about 30.0 cm high, basal leaves biternate, rarely over one-third as long as the stems; leaflets small, rather thick, pubescent, glaucous on both surfaces; stem leaves several; bracts once or twice ternate; flowe...