canary-grass

After the heat of midday had gone over, he resumed his voyage, and still found the same; islets and banks, more or less covered with hawthorn bushes, willow, elder, and alder, succeeded to islets, fringed round their edges with reeds and reed canary-grass.

After London Or, Wild England Richard Jefferies 1867

I do not believe that any edible or valuable plant, except the {311} canary-grass, has been derived from an oceanic or uninhabited island.

The Variation of Animals and Plants Under Domestication, Vol. I. Charles Darwin 1845