Greater Bird's-foot Trefoil is similar to Common Bird's-foot Trefoil, but is hairier and grows in wetter areas. Another main difference between the two species is that the calyx-teeth of the Greater BFT spread at right angles when the flower is in bud.

Seed pods, in the shape of a bird's foot		Leaves: trefoil with 2 stipules

Buds: calyx with reflexed sepals		Flower side-on with hairy calyx