Aira is a genus of Old World plants in the grass family, native to western and southern Europe, central and southwest Asia, plus Africa.
Poa flabellata, commonly known as tussac grass or just tussac, is a tussock grass native to southern South America, the Falkland Islands, South Georgia and other islands in the South Atlantic. There are also two isolated records from the herbarium at the French Muséum national d'histoire naturelle for the Île Amsterdam in the Indian Ocean.
The Pooideae are the largest subfamily of the grass family Poaceae, with about 4,000 species in 15 tribes and roughly 200 genera. They include some major cereals such as wheat, barley, oat, rye and many lawn and pasture grasses. They are often referred to as cool-season grasses, because they are distributed in temperate climates. All of them use the C3 photosynthetic pathway.
Brachyelytrum is a genus of North American and East Asian plants in the grass family, classified in its own tribe Brachyelytreae.
Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.
Gynerium is a monotypic genus of Neotropical plants in the grass family, native to Mexico and Colombia, Central America, South America, and the West Indies. It is classified in its own tribe Gynerieae.
Brachypodium is a genus of plants in the grass family, widespread across much of Africa, Eurasia, and Latin America. It is classified in its own tribe Brachypodieae.
Muhlenbergia is a genus of plants in the grass family.
Pharus, the stalkgrasses, is a genus of Neotropical plants in the grass family.
Piptochaetium, or speargrass, is a genus of New World plants in the grass family, native to North and South America. Piptochaetium is a bunchgrass genus in the tribe Stipeae.
Chaetium is a genus of Neotropical plants in the grass family.
Louisiella is a genus of African and Neotropical plants in the grass family.
Steinchisma is a genus of plants in the grass family, native to the Americas but a few of them naturalized in Africa.
Streptogyna is a widespread genus of tropical plants in the grass family. It is the only genus in the monotypic tribe Streptogyneae.
Triniochloa is a genus of Latin American plants in the grass family.
Olyra is a genus of tropical bamboos in the grass family. It is native primarily to the Western Hemisphere, with one species extending into Africa.
Oplismenopsis is a genus of South American plants in the grass family. The only known species is Oplismenopsis najada, native to southern Brazil, Uruguay, and northeastern Argentina.
Homolepis is a genus of Neotropical plants in the grass family. They are native to Mexico, Central and South America, and the West Indies.
Jouvea is a Latin American genus of coastal plants in the grass family. It grows on mud flats and coastal sand dunes from northern Mexico to Ecuador.
Muhlenbergia orophila is a grass species native to Guatemala and to Mexico as far north as the Distrito Federal. The type specimen was collected from an alpine meadow at an elevation of approximately 3750 m near the Summit of Sierra de las Cuchumantanes, a remote mountainous area in el Departamento de Huehuetenango in the western part of Guatemala.
