Compositae Working Group (CWG) (2021). Global Compositae Database. Gnaphalium helleri Britton. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1206481 on 2024-05-13
original description(1893). Bull. Torrey Bot. Club 20 page(s): 280 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bulletin of the Torrey Botanical Club 20(7): [Tropicos] [details] LSID urn:lsid:compositae.org:names:9D1F8CCB-000F-4EFE-98F5-D7EC7184D736 [details] Taxonomy as "Helleri" [details]