(1861). Proc. Amer. Acad. Arts 5 page(s): 128 [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Bidens sandvicensis var. ovatifolia A.Gray. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=1162807 on 2024-09-21
Marine Species Traits editorial board (2024). Marine Species Traits. Bidens sandvicensis var. ovatifolia A.Gray. Accessed at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=1162807 on 2024-09-21