Oxytropis halleri subsp. halleri

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 126

(a) Subsp. halleri :

Scapes usually 1-2 mm in diameter; scapes and petioles with appressed or erecto-patent hairs, sometimes only sparsely hairy. Corolla bluish-purple. 2« = 32. Pyrenees, Alps, Carpathians; Scotland.