Benth. & Hook. f. Gen. Pl. ii. 354 GAERTNERIA, Medic. Phil. Bot. i. 45 (1789).HEMIAMBROSIA, Delpino, Studi sopra Artemis, 57 (1871). HEMIXANTHIDIUM, Delpino,Studi sopra Artemis, 60 (1871). XANTHIDIUM, Delpino, Studi sopra Artemis, 62(1871). {corrected when editing for database}