Compositae Working Group (CWG) (2021). Global Compositae Database. Helichrysum gradatum Humbert. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1148299 on 2024-05-13
original description(1923). Compos. Madagascar page(s): 94, 293 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Memoires de la Societe Linneenne de Normandie 25: [Tropicos] [details] LSID urn:lsid:compositae.org:names:69D60341-096B-4548-B4BC-FDADAA306205 [details]