- Agrostis, genus Agrostis - annual or perennial grasses cosmopolitan in northern hemisphere: bent grass (so named from `bent' meaning an area of unfenced grassland)
--1 is a kind of plant genus
--1 is a member of
--1 has members: bent, bent grass, bent-grassGramineae, family Gramineae, Graminaceae, family Graminaceae, Poaceae, family Poaceae, grass family