This Creeping Buttercup [Ranunculus repens] was found on beside the road on Broadpointe in Fletcher on 25 AApril 2013. It’s a member of the Buttercup (Ranunculaceae) family and Newcomb’s Wildflower Guide, pages 242-243, says it can be found in ditches and low grounds.
USDA Plant Listing: https://plants.usda.gov/home/plantProfile?symbol=RARE3