The genus Hierochloe is included in Anthoxanthum by some. Hierochloe is a genus or subgenus known generally as sweetgrass. These are perennial rhizomatous grasses found in temperate regions in the Northern Hemisphere. These erect green grasses are known for their sweet scent. They bear panicle inflorescences with rounded grass grain fruits.
- Watson L, Dallwitz MJ. (2008). "The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references". The Grass Genera of the World. Retrieved 2009-08-19.
- Hope, Tom, & Gray, Alan 2009. Grasses of the British Isles: BSBI Handbook #13. Botanical Society of the British Isles. p312 ISBN 978-0-901158-420.