Achillea sulphurea Ceratocephalus falcatus Ceratocephalus falcatus subsp. falcatus Achillea falcata var. breviradiata Achillea damascena Ceratocephalus falcatus var. falcatus Achillea sulphurea var. sulphurea Achillea falcata var. falcata
Taxonomic data from World Flora Online, accessed June 20, 2024