Common name(s): Lance-leaved coreopsis
Category: Genus Coreopsis
Coreopsis tinctora
Common name(s): Golden tickseed, Plains coreopsis
Coreopsis verticillata
Common name(s): Whorled tickseed, Thread-leaf coreopsis
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Common name(s): Lance-leaved coreopsis
Common name(s): Golden tickseed, Plains coreopsis
Common name(s): Whorled tickseed, Thread-leaf coreopsis