Compositae Working Group (CWG) (2025). Global Compositae Database.
Chrysothamnus parryi subsp. monocephala (A.Nelson & P.B.Kenn.) H.H.Hall & Clem.. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1160485 on 2025-03-12
Marine Species Traits editorial board (2025). Marine Species Traits.
Chrysothamnus parryi subsp. monocephala (A.Nelson & P.B.Kenn.) H.H.Hall & Clem.. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1160485 on 2025-03-12