Spartina alterniflora subsp. pilosa (Merr.) Fern. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Sporobolus species Sporobolus alterniflorus Name Homonyms Spartina alterniflora var. pilosa (Merr.) Fernald Spartina alterniflora subsp. pilosa (Merr.) Fern.