Compositae Working Group (CWG) (2021). Global Compositae Database. Helichrysum opacum Klatt. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1094966 on 2024-05-14
original description(1866). Bull. Herb. Boissier 4 page(s): 836 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Bull. Herb. Boiss. iv. 836. [African Plant Database] [details] LSID urn:lsid:compositae.org:names:943E4130-9AF1-4286-9719-5E7FCC20DC40 [details] Taxonomy ori:FSA [details]