Pieris hieracioides subsp. hieracioides

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 : 317

(b) Subsp. hieracioides :

Capitula on erect, more or less long peduncles. Involucre 11-13 mm, greenish, with short hairs and few to numerous, longer, pale, rigid, simple hairs. Throughout most of the range of the species.