Thread-Leaf Daisy
Erigeron filifolius Nutt.
var. filifolius
A 3-4 inch perennial plant growing from a taproot and branched wood caudex, often short and shrubby at the base. It has a low cushion of hairy leaves covered with flowers in the spring. Occurs in dry places and foothills, often among sagebrush, up to 2,300 elevation in mountains. Flowers in May to July. Reported by Nuttall in the Rocky Mountain Range. Found on the Snake River Plains of Idaho and on the Fort Hall Indian Reservation in southeastern Idaho.