Ceratocephalus falcatus subsp. incurvus (Steven) Chrtek & Chrtková Dataset Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Achillea species Achillea falcata Name Homonyms Ceratocephalus falcatus subsp. incurvus (Steven) Chrtek & Chrtková