Polygonaceae Juss.
Rumex subg. Emex (Neck. ex Campd.) T.M.Schust. & Reveal
, legitimate, scientific
[Schuster, T.M., Reveal, J.L., 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)]:
1204
[comb. et stat. nov.]
basionym:
Emex Neck. ex Campd.
nom. cons.