A white butterfly with black spots (order Lepidoptera) sucks nector from a blue aster flower, in Glacier National Park, Montana, USA.
A white butterfly with black spots (order Lepidoptera) sucks nector from a blue aster flower, in Glacier National Park, Montana, USA. The aster, daisy, or sunflower family (Asteraceae or Compositae) is the largest family of vascular plants.