is a specific kind of: liliopsid genus, monocot genus.

has as a member: blue grass, bluegrass | June grass, Kentucky blue, Kentucky bluegrass, Kentucy blue grass, Poa pratensis | Agrostis alba, Poa nemoralis, wood meadowgrass.

is a member of: family Graminaceae, family Gramineae, family Poaceae, Graminaceae, Gramineae, grass family, Poaceae.