Compositae Working Group (CWG) (2025). Global Compositae Database.
Solidago simplex var. gillmanii (A.Gray) G.S.Ringius. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1158748 on 2025-03-13
Marine Species Traits editorial board (2025). Marine Species Traits.
Solidago simplex var. gillmanii (A.Gray) G.S.Ringius. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1158748 on 2025-03-13