Grains were a type of plant.
By 2018, Canada and the Ukraine were the main sources of grain on Earth. (TV: The Enemy of the World)
The Bandrils subsisted in part on grain from Karfel. (TV: Timelash)
Stella Stora suffered from grain shortages in 2983. (TV: Terror of the Vervoids)
The Vancouver was assigned to guard a vast shipment of grain from Earth to the planet Safenesthome. (AUDIO: Earth Aid)
As sea levels rose on Minuea, the inhabitants of the land areas fled to the mountains, then built hundreds of huge arks laden with grain and livestock. These arks set out to find new land, but were easy prey for pirates. (PROSE: The Tomorrow Windows)