Lawns, meadows, cereals, bamboo… The Poaceae family includes the plants that are closest to us and the most indispensable, and yet remains unknown. What species make up your grass? How did we domesticate cereals? Will bamboos save the planet? From the small Poa to the giant Dendrocalamus, come and discover the Poacées at the Jardin des Plantes and in the books of the Botanical Library.