Melittis melissophyllum subsp. albida, (Guss.) P. W. Ball

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 : 143

(c) Subsp. albida (Guss.) P. W. Ball , loc. cit. (1971)

( M. albida Guss. ):

Stem densely covered with small, stipitate glands. Largest leaves 6-15 cm, with 20-30 large teeth on each side. Corolla white, often with pink or purple markings on the lower lip, rarely purple. S. Italy, Sicilia, Balkan peninsula.