A couple of butterflies, possibly Hesperis Fritillaries (Speyeria hesperis) feed from a Serrated Ragwort aka tall ragwort aka sawtooth groundsel aka b

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A couple of butterflies, possibly Hesperis Fritillaries (Speyeria hesperis) feed from a Serrated Ragwort aka tall ragwort aka sawtooth groundsel aka butterweed groundsel (Senecio serra)

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Size: 2376px × 3326px
Location: SR 65, Mesa, Colorado USA
Photo credit: © Ken Barber / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: butterfly, fritillary, hesperis, ragwort, senecio, serra, speyeria, wildflower, yellow