Compositae Working Group (CWG) (2021). Global Compositae Database. Syncarpha affinis var. affinis (B.Nord.) B.Nord.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1156913 on 2024-05-19
original description(1989). Nordenstam, B. 1989: A synopsis of the genus <i>Syncarpha</i> (Compositae-Gnaphalieae). Compositae Newsletter 17: 2-6. page(s): 4 [details]