The flower shape is the same, though the stalks of some varieties have a spikier appearance than those of blue-eyed grass.
To complicate matters further, there are a few varieties of blue-eyed grass with white flowers and yellow eyes.
The bloom time is about the same as that of blue-eyed grass - May and June - but the blossoms open late in the day.
Sisyrinchium sarmentosum is a species of flowering plant in the iris family known by the common names pale blue-eyed grass and mountain blue-eyed grass.
They were sitting among the blue-eyed grasses on the bank of the brook in Anne's garden.
It is the most common blue-eyed grass of the eastern United States, and is also cultivated as an ornamental.
(Is blue-eyed grass more sensitive than hazel-eyed grass?)
The examples shown are an arum, a cypripedium and a blue-eyed grass.
The preserve's grasslands include California poppy, checker mallow, purple owl's-clover, bluedicks, and blue-eyed grass.
Like other species of blue-eyed grasses that are locally dominant, it is generally known simply as "Blue-eyed Grass" within its natural range.