No author No year - Ten. (1933). In: Fl. Nap. 1, Prodr.: 66 (1811), Et Ex Murb., Lunds Univ. Arsskrift, n.f. 29: No. 2 (Monogr. Verbascum) 397.
There is no corrections for Verbascum rotundifolium subsp. rotundifolium yet.