Pedicularis leucodon subsp. leucodon

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 274

(a) Subsp. leucodon :

Stem leafless below, leafy above. Lower bracts leaf-like, the upper linear, entire or toothed. Calyx equally 5-toothed. E. Albania, S.E. Jugoslavia.