Compositae Working Group (CWG) (2021). Global Compositae Database. Marshallia angustifolia var. cyananthera Elliott. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1162512 on 2024-05-19
original description(1823). Sketch Bot. S. Carolina [Elliott] 2 page(s): 317 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Sketch of the Botany of South-Carolina and Georgia 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:8121BD37-C1DF-4F6C-81E7-5CD316F42F87 [details] Type material s.n., W.Baldwin [details]