#genus_Spirodela__Spirodela  minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots
  supertype:  monocot_genus__monocotgenu__liliopsid_genus  genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
  member of:  family_Lemnaceae
  member:  great_duckweed__greatduckweed__water_flaxseed__waterflaxseed__Spirodela_polyrrhiza  cosmopolitan except South America and New Zealand and some oceanic islands

No statement uses or specializes genus_Spirodela; click here to add one.