Euphrasia minima subsp. tatrae, (Wettst.) Hayek

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 : 264

(b) Subsp. tatrae (Wettst.) Hayek in Hegi, III. Fl. Mitteleur. 6(1): 91 (1913)

( E. tatrae Wettst. ):

Up to 25(-3O) cm. Lowest flower often at node 6. Cauline leaves with the distal teeth seldom incurved, the lower floral subcordate to rounded at base. Capsule up to 3 times as long as wide. E.C. Europe (Carpathians, Sudeten Mts.).

E. mendoncae Samp. , Anais Fac. Ci. Porto 22: 50 (1937), known from one locality in N.E. Portugal, may represent a third subspecies. It has stems with up to 4 pairs of branches and cauline internodes 4—8 times as long as the leaves, the lowest flower at node 5-8 and the corolla 5-5-6-5 mm, yellow.