Hesperis matronalis subsp. matronalis

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 276

(a) Subsp. matronalis (inch H. sibirica L. ): Italy, S. France,?N. Spain; widespread as an alien.

The plants from Italy are usually glandular-pubescent while those from France are eglandular. The latter is the plant usually cultivated and naturalized.