Festuca petraea Guthnick ex Seub. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Azor.: 20 (1840) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Festuca species Festuca petraea Name Synonyms Festuca petraea Guthnick Homonyms Festuca petraea Guthnick ex Seub. Festuca petraea Guthnick