Common name(s): Blue cohosh
Category: Family Berberidaceae
Jeffersonia diphylla
Common name(s): Twinleaf
Podophyllum peltatum
Common name(s): Mayapple
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Common name(s): Blue cohosh
Common name(s): Twinleaf
Common name(s): Mayapple