Taraxacum officinale var. nigricans (Kit.) Sagorski & Gus. Schneid., Fl. Centralkarpath. 2: 259. 1891
Taraxacum officinale var. nigricans, Fl. Centralkarpath. 2: 259. 1891
is new combination for Leontodon nigricans in Schultes, Oestr. Fl., ed. 2, 2: 405. 1814
Taraxacum officinale var. nigricans, Fl. Centralkarpath. 2: 259. 1891