EMEX australis Steinh. [family POLYGONACEAE], in Ann. Sci. Nat. 2 me sér. ix. 195, t. 7, fig. 16;—Benth. Fl. Austr. v. 262; Wood, Natal Pl. t. 360.
EMEX Centropodium Meisn. [family POLYGONACEAE], in Linnæa, xiv. 490, and in DC. Prodr. xiv. 40; Bolus & Wolley-Dod in Trans. S. Afr. Phil. Soc. xiv. 312; Burtt-Davy in Trans. Agric. Journ. vii. (1909) 654.
EMEX Podocentrum Meisn. ex Drège [family POLYGONACEAE], Zwei Pfl. Documente, 93, 99, 112, 128.
EMEX spinosa Campderá var. capensis [family POLYGONACEAE], Monogr. Rum. 59.
Rumex spinosus Thunb. [family POLYGONACEAE], Prodr. 67, and Fl. Cap. ed. Schult. 341, not of Linn.
Podocentrum Burch. ex Meisn. [family ], in Linnæa, xiv. 489.
Vibo australis Greene [family ], Man. Bot. San Francisc. Bay, 44.