Nymphaeaceae
Nuphar . . . . . Yellow Water-lilies
Nuphar lutea . . . . . . Yellow Water-lily
Leaves up to 40 x 30 cm (c.f N. pumila); petiole +/-triangular in section
Nuphar pumila . . . . . Least Water-lily
Distinguished by smaller leaves (up to 17x25 cm), fewer (11-18) lateral veins and flattened petiole; very local on ponds/lakes in Sc
Somewhat similar is: Nymphoides peltata (Fringed water lily)
Nymphaea . . . . . White Water-lilies
Nymphaea alba White Water-lily
Nymphaea x marliacea Coloured Water-lily
This name is used to cover a range of horticultural hybrids with flowers tinged yellow or pink