Compositae Working Group (CWG) (2021). Global Compositae Database. Oresigonia pycnophylla Bonpl. ex Wedd.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1133238 on 2024-05-19
original descriptionWeddell, H.A. (1855). Essai d'une flore de la région alpine des Cordillères de l'Amérique du Sud. <em>Chlor. Andina 1.</em> , available online athttps://www.biodiversitylibrary.org/page/297419 page(s): 83 [details]
From other sources
LSID urn:lsid:compositae.org:names:ED4D625E-5D2F-4532-9FB2-8164F84DD201 [details] Taxonomy 1855 publ. 30 Jun 1856 [details]