Compositae Working Group (CWG) (2025). Global Compositae Database. Haplopappus oppositifolius (A.Gray) S.F.Blake. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1119345 on 2025-03-30
original description(1926). Contr. U.S. Natl. Herb. 23 page(s): 1489 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record S.F.Blake [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus oppositifolius S.F.Blake [IPNI] [details] LSID urn:lsid:compositae.org:names:10B7BE69-F057-4AA2-8301-11475C8ECCB8 [details]