Achnanthes quadratarea (Østrup) R.Ross Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Achnanthales family Achnanthaceae genus Achnanthes species Achnanthes quadratarea Name Homonyms Achnanthes quadratarea (Østrup) M.Möller ex Foged, 1974 Achnanthes quadratarea (Østrup) M.Möller Achnanthes quadratarea (Østrup) R.Ross