Helichrysum stoechas subsp. stoechas

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 : 129

(a) Subsp. stoechas :

Leaves usually more than 20 mm, narrowly linear, strongly aromatic. Inflorescence lax to compact. Inner involucral bracts usually at least 3 times as long as the obtuse outer bracts. From W. Jugoslavia westwards.