Poaceae

Poaceae (true grasses)
Flowering head of Meadow Foxtail (Alopecurus pratensis), with stamens exserted at anthesis
Scientific classification
Kingdom:	Plantae
Division:	Magnoliophyta
Class:	Liliopsida
Order:	Poales
Family:	Poaceae (R.Br.) Barnhart
Subfamilies
There are 7 subfamilies: Subfamily Arundinoideae Subfamily Bambusoideae Subfamily Centothecoideae Subfamily Chloridoideae Subfamily Panicoideae Subfamily Pooideae Subfamily Stipoideae

Poaceae or Gramineae is a family in the class Liliopsida of the flowering plants. Plants of this family are usually called grasses, with approximately 10,000 species and 660 genera is the most ecologically and economically important of all plant families.