Veronica chamaedrys subsp. chamaedrys

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 : 247

(a) Subsp. chamaedrys : Leaves dark green, crenate-serrate. Stem often more or less hairy all round, at least above. Calyx sparsely pubescent. Corolla bright blue. 2« = 32. Throughout the range of the species.