Annual fleabane (Erigeron annuus), family Sunflower (Compositae), Aster (Asteraceae). White & yellow wildflower 10-20 mm (.38-.88”) diameter, with about 100 white ray flowers, and innumerable yellow disk flowers. Flower heads about 4-5 mm from the bottom of the receptacle to the top of the disk flowers. 30-60 cm (12-24”) tall, multi-branched at base and above. Leaves alternate, lanceolate and mostly smooth edged, with some bristles on the edges, top, and bottom. Stem with short fine hairs perpendicular to the stem.
... As is, this photo's longest print dimension can be up to 19 inches at 300 dpi. If a larger size is needed, please email me.