Phucagrostis major Theophr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Cymodoceaceae genus Cymodocea species Cymodocea nodosa Name Homonyms Phucagrostis major Theophr. ex Cavolini Phucagrostis major Willd. Phucagrostis major Theophr.