Cirsium rhizocephalum var. sinuatum Boiss., Fl. Orient. 3: 542. 1875
Cirsium rhizocephalum var. sinuatum, Fl. Orient. 3: 542. 1875
is basionym for Cirsium rhizocephalum subsp. sinuatum in Notes Roy. Bot. Gard. Edinburgh 33: 430. 1975
has orthographic variant Cirsium rhysocephalum var. sinuatum
Cirsium rhizocephalum var. sinuatum, Fl. Orient. 3: 542. 1875