Achillea santolinoides subsp. wilhelmsii
Systematics
For the complicated taxonomy and nomenclature see Valant-Vetschera & Kästner (1998).
Valant-Vetschera K. M. & Kästner A. 1998: (1374) Proposal to conserve the name Achillea wilhelmsii (Compositae) against A. santolinoides. - Taxon 47: 755-756.
Valant-Vetschera K. M. & Kästner A. 1998: (1374) Proposal to conserve the name Achillea wilhelmsii (Compositae) against A. santolinoides. - Taxon 47: 755-756.