Leucanthemum atratum subsp. atratum

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 176

(a) Subsp. atratum :

Stems 10-20 cm. Basal leaves oblongcuneate or -spathulate, with (3-)5-7 lobes or teeth at apex; middle cauline leaves oblong-lanceolate, incise-dentate, the teeth incurved. 2л = 54. N.E. Alps.