Taxonomy Reveal (Rhodora 70: 48. 1968) discussed the validity of this name.
Taxonomy Reveal (Rhodora 70: 48. 1968) discussed the validity of this name. [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Rudbeckia columnifera Nutt.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1195239 on 2025-09-13
original descriptionCat. Pl. Upper Louisiana page(s): no. 75 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Notes Data only shown for fields conflicting with the consensus taxon record reprint of Catalogue: Pittonia 2 (1890) 116--119; see also Pursh, Fl. Amer. Sept. (1814) 575, * homonym. [Flora Malesiana] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Cat. Pl. Upper Louisiana no. 75 [MesoAmericana] Catalogue of New and Interesting Plants Collected in Upper Louisiana [Tropicos] J. & J.T. Fraser, Cat. Pl. Upper Louisiana [Flora Malesiana] Nutt., Cat. Pl. Upper Louisiana. 1813. [Euro+Med] [details] LSID urn:lsid:compositae.org:names:3B139927-6AC3-4A67-BA76-9D0E39881133 [details] Taxonomy Reveal (Rhodora 70: 48. 1968) discussed the validity of this name. [details] Type material Nuttall s.n. (HT: ?). [details]