Mattinola incana subsp. incana

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 : 280

(a) Subsp. incana ;

Plant densely white-tomentose to glabrescent; lower leaves 5-22 mm wide, linear-lanceolate, rarely oblong-lanceolate, obtuse or subacute; sepals 9-13 mm. 2n= 14. Throughout the range o f the species.