Euploca (incl. Heliotropium sect. Orthostachys)
Myriopus (=Tournefortia sect. Cyphocyema)
Heliotropium (incl. Tournefortia sect. Tournefortia)
Heliotropium sect. Heliothamnus
Heliotropium II (Old-World Heliotropium)
Heliotropium sect. Cochranea
Tournefortia clade (incl. Tournefortia sect. Tournefortia and several New-World Heliotropium sections)
Key to genera of Heliotropiaceae