Compositae Working Group (CWG) (2024). Global Compositae Database. Tetrachyron omissum Rzed. & Calderón. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1144707 on 2025-03-27
LSID urn:lsid:compositae.org:names:061ED0D1-B19B-4F79-A8EC-DFC85D2DAE64 [details] Taxonomy Jul 2008 [details] Type material 11465, S. Zamudio & E. Carranza G., Mun. de Landa: El Llano Chiquito, 21° 24′ 11″ N, 99° 6′ 11″ W, holotype IEB [details]