Genus

Sisyrinchium 

blue-eyed grass

Sisyrinchium angustifolium
Narrowleaf blue-eyed grass
side view of stem and flower

Species of the Sisyrinchium genus in the Wild Florida Photo database:

  Sisyrinchium albidum
White Blue-eyed Grass

  Sisyrinchium angustifolium
Narrowleaf Blue-eyed Grass

  Sisyrinchium nashii
Nash's Blue-eyed Grass

  Sisyrinchium xerophyllum
Jeweled Blue-eyed Grass

The genus Sisyrinchium is a member of the Iridaceae - Iris family.