2. Tragopogon dubius Scopoli, Fl. Carniol. ed. 2. 2: 95. 1772.
Yellow salsify. salsifis majeur
Plants (30–)40–80(–100) cm. Leaves: apices straight (not recurved to coiled), faces initially tomentulose to floccose, soon glabrescent. Peduncles distally inflated. Involucres conic in bud. Outer florets much shorter than phyllaries; corollas yellow. 2n = 12.
Flowering early summer. Disturbed sites and less disturbed sites; 10–2500 m; introduced; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., Que., Sask., Yukon; Ariz., Ark., Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; Europe; Australia; s Africa.
Tragopogon dubius is naturalized across much of North America. It typically grows in sites drier than those where T. pratensis is found.