Bidault - 2575 - Guinea
Bidault - 2587 - Gabon
Croat - 12688 - Panama
Croat - 8215 - Panama
Davidse - 18109 - Brazil
Drège - s.n. - South Africa
Dusén - 1116a - Brazil
Irwin - 6122 - Brazil
Macedo - 2170 - Brazil
Manjato - 201 - Madagascar
Merello - 3811 - United States
Nymphoides indica
Prance - 25893 - Brazil
Ramananjanahary - 457 - Madagascar
Randrianaivo - 2265 - Madagascar
Sánchez - 166 - Honduras
Secco - 194 - Brazil
Silva - 473 - Brazil
Stevens - 17782 - Nicaragua
Stevens - 25010 - Costa Rica
Stevens - 28356 - Nicaragua
Stevens - 34002 - Nicaragua
Steward - 137 - Brazil
Ventura A. - 20557 - Mexico
Wasum - 194 - Brazil
Wasum - 6296 - Brazil
Zeyher - s.n. - South Africa