Potentilla biennis
 Potentilla biennis is a species of cinquefoil known by the common name biennial cinquefoil. It is native to western North America from northwestern Canada to the southwestern United States where it grows in moist habitat. This is an annual or biennial herb producing an erect stem up to 70 centimeters tall from a taproot. It is hairy and glandular in texture. The hairy leaves are each divided into three toothed oval leaflets each up to 3 centimeters long.