Species: E. australis – E. spinosa
Note: This is now treated as a synonym of Rumex by Schuster et al., (2015) and the necessary changes have been made. However, this is not fully accepted by all authorities.
- Schuster, T.M., Reveal, J.M., Bayly, M.J. & Kron, K.A. 2015. An updated molecular phylogeny of Polygonoideae (Polygonaceae): Relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia. Taxon 64(6): 1188–1208. doi: 10.12705/646.5 ResearchGate Reference page.
- USDA, ARS, Germplasm Resources Information Network. Emex in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed on 09-Oct-10.