Draba

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 : 310

Sect. Draba . Caespitose biennials or perennials with erect flowering stems and variably hairy leaves, often canescent; cauline leaves usually present. Flowers usually rather small; petals white or cream, longer than stamens; filaments sometimes slightly dilated at base.