Children (12 direct children, 12 direct and indirect children):
Nuphar lutea subsp. lutea
Nuphar lutea orbiculata
Yellow cow-lily
Nuphar lutea sagittifolia
Nuphar lutea ulvacea
Nuphar lutea macrophylla
Nuphar lutea var. kalmiana
Nuphar lutea subsp. polysepala
Nuphar lutea subsp. advena
Nuphar lutea subsp. variegata
Nuphar lutea subsp. rubrodisca
Nuphar lutea subsp. ozarkana