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

has as a member: bulrush millet, cattail millet, pearl millet, Pennisetum Americanum, Pennisetum glaucum | fountain grass, Pennisetum ruppelii, Pennisetum setaceum | feathertop, feathertop grass, Pennistum villosum.

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