Saxifraga pubescens subsp. pubescens

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 : 374

(a) Subsp. pubescens :

Usually rather laxly caespitose, with relatively short, scarcely columnar leafy shoots; leaves 10- 20 mm, with long, rather narrow petiole and segments four times as long as wide, deeply sulcate; flowering stems 3-10 cm; petals 4-6 mm, pure white. E. Pyrenees.