pretty daisy or pretty fleabane erigeron bellidiastrum

antenna asteraceae basal bellidiastrum black branching bug butterfly colorado covered crescent curved daisy entomology erigeron family fleabane flower flowers foothills hairs insect inward leaves long nature orange pearl petioles philadelphicus phyciodes pretty sand semidesert sessile shrublands soft spring stem summer sunflower tharos upper white wildflowers wings woodlands