Sisyrinchium angustifolium Mill.  

Family: Iridaceae

Narrow-Leaf Blue-Eyed-Grass, more...narrowleaf blue-eyed grass, blue-eyed grass

[Sisyrinchium bermudiana L., moreSisyrinchium bermudiana var. crebrum (Fernald) B. Boivin, Sisyrinchium graminoides Bickn.]