Bodner - 137 - Philippines
de Wilde - 4766 - Cameroon
Dodson - 11235 - Ecuador
Etkin - 190 - Nigeria
Hammel - 24406 - Costa Rica
Ipomoea aquatica
Jansen - 6812 - Ethiopia
Merello - 2573 - United States
Phillipson - 1700 - Madagascar
Schlieben - 4248 - Tanzania