Of the iris family (Iridaceae), the blue flag or Iris versicolor.
Of the iris family (Iridaceae), blue-eyed grass or Sisyrinchium angustifolium.
Of the iris family (Iridaceae): foreground, crested dwarf iris (Iris cristata); background, blackberry…
Of the iris family (Iridaceae), stout blue-eyed grass or Sisyrinchium gramineum.