Tragopogon dubius subsp. campestris (Besser) Hayek in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 819. 1931
Tragopogon dubius subsp. campestris in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 819. 1931
is new combination for Tragopogon campestris, Enum. Pl.: 84. 1822
Tragopogon dubius subsp. campestris in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 819. 1931