Cirsium balcanum Panc 1888

= Cirsium heterotrichum Panc 1883

=Cirsium balcanum Panc ap. Hayek 1931

= C. halacsyi Formanek 1892

Taxon full name:

Cirsium balcanum in sched ap. Hayek, Prodr. Fl. Penins. Balcan. 30(2): 724 (1931)

Hayek, A (1931): Prodromus Florae peninsulae Balcanicae 2. - Repertorium Specierum novarum Regni vegetabilis, Beihefte, 30(2): 577-1152.