Jasonia tuberosa, (L.) DC.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 138

2. J. tuberosa (L.) DC. , loc. cit. (1836).

Like 1 but usually with few long hairs; leaves up to 5 cm, linear to linear-lanceolate, patent, obtuse; inner involucral bracts glandular near apex, not ciliate; ligules usually present, yellow; achenes sericeous, eglandular. 2« = 18. Rock-crevices and river-gravels. • S. W. Europe. Ga Hs Lu.