Dichanthium, known commonly as bluestem or bluegrass, is a genus of African, Asian, and Australian plants in the grass family. Some species have become naturalized in the Americas and on various oceanic islands.

Species

Species include: • Dichanthium andringitrense - Queensland • Dichanthium annulatum - Kleberg's bluestem, marvel grass - Asia, Africa, Madagascar, Mauritius, Australia; naturalised in North + South America, Crete, Canary Islands, certain Pacific Islands including Hawaii • Dichanthium aristatum - Angleton bluestem - Yunnan, Taiwan, Thailand, Philippines, Java, Lesser Sunda Islands, India; ; naturalised in North + South America, Queensland, various islands in Indian Ocean, Pacific, + West Indies • Dichanthium armatum - Gujarat • Dichanthium caricosum - Indian Subcontinent, Indochina, Guizhou, Yunnan, Java, Malaysia • Dichanthium concanense - Maharashtra • Dichanthium erectum - Lesser Sunda Islands • Dichanthium fecundum - New Guinea • Dichanthium foulkesii - Indian Subcontinent, Nicobar Islands • Dichanthium foveolatum - Asia + Africa from Morocco + Canary Islands to Bangladesh • Dichanthium mccannii - Maharashtra • Dichanthium micranthum - Oman • Dichanthium mucronulatum - Thailand, Pen Malaysia • Dichanthium oliganthum - Maharashtra, Tamil Nadu, Myanmar • Dichanthium panchganiense - Maharashtra • Dichanthium pertusum - Maharashtra, Karnataka • Dichanthium paranjpyeanum - Maharashtra • Dichanthium queenslandicum - Queensland • Dichanthium sericeum - silky bluestem - Australia, New Guinea, New Caledonia, Southeast Asia; naturalized in scattered locales in North America • Dichanthium setosum - Queensland, New South Wales, Tasmania • Dichanthium tenue - slender bluestem - Queensland, New South Wales • Dichanthium tenuiculum - Luzon • Dichanthium tuberculatum - Madhya Pradesh

Former species

Several species formerly included are now regarded as better suited to other genera, including in: Andropogon, Bothriochloa, Capillipedium, Euclasta, and Pseudodichanthium.