Black-eyed Susan, Tall Thimbleweed, Purple Loosestrife, Wild Radish

Black-eyed Susan is in the sunflower family. It's found in sunny locations.

Tall Thimbleweed has a single white flower with a cone-shaped center.

Purple Loosestrife is considered an invasive noxious weed as it aggressively displaces native wetland plants.

Wild Radish is a member of the mustard family. The flower has four petals with prominent veining.