The plant family Poaceae was named and described by John Hendley Barnhart in Bulletin of the Torrey Botanical Club in 1895.
Plants of the World Online lists 757 accepted genera in this family of grasses (as of 2-6-21 when I last updated this page).
Recent findings have dated fossils of grasses as far back as 66 million years.
For more information about this family of plants, please click on the links below. The links take you directly to the information about the family.