Ox-Eye Sunflowers (Heliopsis helianthoides) are always a delight to find. They are part of the aster family (Asteraceae) and are known by a host of other names such as Smooth Oxeye, Oxeye Sunflower, and False Sunflower. The flowers have yellow petals surrounding the yellow center that possesses a sunflower-like disk. The images of these Ox-eye Sunflowers all come from parks and fields located in Greene County, Ohio.