Taraxacum officinale subsp. nigricans (Kit.) Hegi, Ill. Fl. Mitt.-Eur. 6: 1093. 1928
Taraxacum officinale subsp. nigricans, Ill. Fl. Mitt.-Eur. 6: 1093. 1928
is new combination for Leontodon nigricans in Schultes, Oestr. Fl., ed. 2, 2: 405. 1814
Taraxacum officinale subsp. nigricans, Ill. Fl. Mitt.-Eur. 6: 1093. 1928