Common name: Meadow Death Camas, Common Death Camas

USDA & H&C lists two varieties:
var. gramineus: stem leaves all sheathing, outer tepals almost clawless.
Generally found e WA
var. venenomus: stem leave not sheathing, outer tepal with small claw 0.5-1mm.
Generally found in w WA

Note white/cream colored anthers and location (W. Washington)