ANNALES BOTANICI FENNICI, vol.46, no.5, pp.459-463, 2009 (SCI-Expanded)
Achillea hamzaoglui Arabaci & Budak sp. nova (Achillea sect. Santolinoidea), is described from Kirsehir Province, inner Anatolia, Turkey. it is compared with Achillea sintenisii and A. goniocephala. Diagnostic characters, as well as a full description, a key to related species and figures of new species are provided.