Leontopodium alpinum subsp. alpinum

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 : 132

(a) Subsp. alpinum :

Indumentum appressed; stems usually more than 5 cm. Leaves, except those subtending the inflorescence, greenish above, linear-lanceolate or the basal spathulate. Leaves subtending the inflorescence linear-oblong, much exceeding the capitula. Throughout the range of the species, except S. W. Bulgaria and C. Appennini.