Myosotis sylvatica subsp. sylvatica

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 : 114

(a) Subsp. sylvatica :

Calyx green, with sparse hairs and few hooked bristles. Corolla-tube as long as the calyx. Nutlets ovoid. 2//=18(20). Throughout the range o f the species except the south.