Lesser Toadflax, Daisy Fleabane, Curly Dock

Lesser Toadlfax, also called Small Toadflax or Dwarf Snapdragon, is found in railroad ballast.

Daisy Fleabane, or Annual Fleabane, is known for its daisy-like flowers with yellow centers.

Curly Dock is identifiable by its densely packed whorls of small, yellowish-green flowers.