Teucrium flavum subsp. glaucum

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 : 133

(b) Subsp. glaucum (Jordan & Fourr.) Ronniger , Verh. Zool.- Bot. Ges. Wien 68: (234) (1918):

Stems with short, deflexed hairs. Leaves c. 10 mm, nearly glabrous, glaucous beneath. Calyx 9-10 mm; teeth c. £ as long as tube. From Islas Baléares to Greece.