Agrostis alba f. castellana (Boiss. & Reut.) Rouy, 1913 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Agrostis species Agrostis castellana Name Homonyms Agrostis alba subsp. castellana (Boiss. & Reut.) P.Fourn. Agrostis alba var. castellana (Boiss. & Reut.) Douin