Stipa pennata L. Dataset Integrated Taxonomic Information System (ITIS) Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Poales family Poaceae genus Stipa species Stipa pennata Name Synonyms Stipa joannis subsp. penicillifera (Pacz.) Lavrenko Stipa pennata f. penicillifera Pacz. Stipa pennata subsp. joannis (Celak.) Hyl. Stipa pennata subsp. joannis (Celak.) Pacz. Homonyms Stipa pennata L.