Marsh Marigold (Caltha) is a biological genus in the family Ranunculaceae (Buttercups) and order Ranunculales.
Caltha leptosepala
Caltha natans
Caltha palustris
Anemone
Actaea
Trautvetteria
Ranunculus
Ceratocephala
Aquilegia
Enemion
Trollius
Coptis
Helleborus
Consolida
Delphinium
Clematis
Caltha
Thalictrum
Aconitum
Myosurus
Adonis
Xanthorhiza