Greenman, J.M. (1904). Diagnoses and synonymy of Mexican and Central American spermatophytes. <em>Proc. Amer. Acad. Arts.</em> 40: 28-52. page(s): 46 [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Tagetes hartwegii Greenm.. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1087019 on 2025-04-04
Marine Species Traits editorial board (2025). Marine Species Traits. Tagetes hartwegii Greenm.. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1087019 on 2025-04-04
original descriptionGreenman, J.M. (1904). Diagnoses and synonymy of Mexican and Central American spermatophytes. <em>Proc. Amer. Acad. Arts.</em> 40: 28-52. page(s): 46 [details]