Greenm. & C.H.Thomps. 1915 - Greenman JM, Thompson CH (1914) Diagnoses of Flowering Plants, Chiefly from the Southwestern United States and Mexico. Annals of the Missouri Botanical Garden 1(4): 405. doi: 10.2307/2990140.
There is no corrections for Sisyrinchium angustissimum yet.