Family: Poaceae
American glyceria, more..., American manna grass, reed manna grass
[Glyceria grandis f. pallescens S.Watson, more, Glyceria grandis var. grandis S.Watson, Glyceria maxima subsp. grandis (Hartm.) Holmb., Glyceria maxima var. americana (Hartm.) Holmb., Panicularia grandis (S.Watson) Nash]