Hierochloe odorata (Sweetgrass)
It is also known as sweet grass, holy grass, Seneca grass or vanilla grass.
It comes from northern Eurasia and North America.
It is used in Herbal medicine and for the production of distilled beverages.
It gets it distinctive sweet scent from the presence of coumarin.
Sweet grass is also greatly used by the North American peoples. By them it is regarded as a sacred plant and is used for peace and healing rituals.