Compositae Working Group (CWG) (2025). Global Compositae Database. Haplopappus arborescens subsp. peninsularis Moran. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1220841 on 2025-09-13
original description(1969). Trans. San Diego Soc. Nat. Hist. 15[details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Transactions of the San Diego Society of Natural History 15(11): [Tropicos] [details] LSID urn:lsid:compositae.org:names:A3A7EDA0-B772-409A-BBB7-909105F50A96 [details] Type material 13554, R.V.Moran, holotype SD [details]