Hierochloe is a genus of plants in the grass family known generally as sweetgrass.Brown, Robert. 1810. Prodromus Florae Novae Hollandiae 208-209 in Latin These are perennial rhizomatous grasses found primarily in temperate and subarctic regions of Eurasia and North America, although some species extend southwards into Australia and Latin America.USDA Plants Profile
These erect green grasses are known for their sweet scent. They bear panicle inflorescences with rounded grass grain fruits.Jepson Manual Treatment
Some authors advocate merging the two genera Hierochloe and Anthoxanthum, though others disagree.Flora of China Vol. 22 Page 336 黄花茅属 huang hua mao shu Anthoxanthum Linnaeus, Sp. Pl. 1: 28. 1753Altervista Flora Italiana, genere AnthoxanthumHope, Tom, & Gray, Alan, Grasses of the British Isles: BSBI Handbook No. 13, Botanical Society of the British Isles, 2009, p 312. .
Species
formerly included numerous species now regarded as better suited to other genera: Anthoxanthum Centotheca Holcus
References