Greenman, J.M. (1904). Diagnoses and synonymy of Mexican and Central American spermatophytes. <em>Proc. Amer. Acad. Arts.</em> 40: 28-52. page(s): 41 [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthella iostephanoides Greenm.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1129085 on 2024-09-21
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): 41 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Proceedings of the American Academy of Arts and Sciences 40: [Tropicos] [details] LSID urn:lsid:compositae.org:names:2B916D8D-C091-4D95-9EBE-601D8D36F277 [details]