Children (5 direct children, 5 direct and indirect children):
Nymphaea amazonum amazonum
Nymphaea amazonum subsp. amazonum
Nymphaea amazonum pedersenii
Nymphaea amazonum subsp. pedersenii
Nymphaea amazonum var. goudotiana
Nymphaea amazonum f. goudotiana
Nymphaea amazonum var. forma-submersa