Kidney-leaf or Littleleaf Buttercup [Ranunculus abortivus] found by the roadside in Fletcher, North Carolina on 29 March 2022. It’s a member of the Buttercup (Ranunculaceae) family. One common name is derived from its kidney-shaped basal leaf. Peterson’s Field Guide to Wildflowers, page 132, says it can be found in “woods and damp thickets,” with tiny …