sisyrinchium bellum, the western blue-eyed grass or californian blue-eyed grass, is the common blue-eyed grass of california and oregon in and west of the sierra nevada, its range extending south into baja california. in parts of its range, western blue-eyed grass has previously been classified as "sisyrinchium eastwoodiae", "s. greenei" and "s. hesperium", but these names are now considered synonyms.