Originally published as a new combination based on illegitimate junior homonym, Aralia lobata F. H. Knowlton, Flora of the Animas Formation pp.[93]. 1924 non Aralia lobata Sessé & Moc., Fl. Mexic., ed. 2: 79. 1894; corrected here as based on its replacement name, Vitis lobata R. W. Brown, Paleocene Flora of the Rocky Mountains and Great Plains pp.[82]. 1962, cited into synonymy of Cucurbitaciphyllum lobatum (KNOWLTON) comb. nov.