Chi Pennisetum gồm các loài:[2]

• Pennisetum alopecuroides – Chinese fountaingrass, foxtail fountaingrass, swamp-foxtail – Australia, East + Southeast Asia
• Pennisetum annuum – Peru
• Pennisetum articulare – Marquesas
• Pennisetum basedowii – Australia
• Pennisetum beckeroides – Ethiopia
• Pennisetum caffrum – Madagascar, Réunion
• Pennisetum chilense – Chile, Argentina, Peru, Bolivia
• Pennisetum clandestinum – kikuyu grass – central + eastern Africa
• Pennisetum complanatum – Nicaraguan fountaingrass – Veracruz, Central America
• Pennisetum crinitum – Mexico
• Pennisetum × cupreum – New Guinea
• Pennisetum distachyum – Mexico, Costa Rica, Guatemala
• Pennisetum divisum – deserts from Mauritania to western India
• Pennisetum domingense – Cuba, Hispaniola
• Pennisetum durum – Mexico
• Pennisetum exiguum – Madagascar
• Pennisetum flaccidum – flaccid grass, Himalayan fountaingrass – Himalayas, Central Asia, China, Mongolia
• Pennisetum flexile – Kashmir
• Pennisetum foermerianum – Namibia
• Pennisetum frutescens – Paraguay, Argentina
• Pennisetum glaucifolium – Eritrea, Ethiopia
• Pennisetum glaucum – pearl millet, bulrush millet, cattail millet, horse millet, Indian millet, yellow bristlegrass
• Pennisetum gracilescens – Eritrea, Ethiopia, Sudan
• Pennisetum henryanum – Marquesas
• Pennisetum hohenackeri – Kenya, Tanzania, Uganda, Madagascar, India, Nepal, Pakistan
• Pennisetum hordeoides – western + central Africa, India, Nepal, Myanmar
• Pennisetum humile – Ethiopia
• Pennisetum intectum – Peru, Ecuador
• Pennisetum lanatum – Afghanistan, northern India, Pakistan, Tajikistan, Nepal, Tibet
• Pennisetum latifolium – Uruguay fountaingrass – South America from Colombia to Uruguay
• Pennisetum laxius – Sahel in Africa
• Pennisetum ledermannii – Cameroon
• Pennisetum longissimum – China
• Pennisetum longistylum – Eritrea, Ethiopia
• Pennisetum macrostachyum – Pacific fountaingrass – Java, Borneo, Papuasia
• Pennisetum macrourum – African feather grass, bedding grass, waterside-reed – Africa, Yemen, Saudi Arabia
• Pennisetum massaicum – Somalia, Kenya, Tanzania, Zimbabwe
• Pennisetum mezianum – Ethiopia, Sudan, South Sudan, Kenya, Uganda, Tanzania, Namibia, Limpopo
• Pennisetum mildbraedii – Rwanda, Zaire, Uganda
• Pennisetum monostigma – Sierra Leone, Nigeria, Cameroon, islands in Gulf of Guinea
• Pennisetum montanum – Peru, Bolivia, Argentina
• Pennisetum nervosum – bentspike fountaingrass – South America; naturalized in Belize, Nicaragua, Mexico, California, Texas
• Pennisetum nodiflorum – central Africa
• Pennisetum nubicum – Eritrea, Ethiopia, Sudan, Saudi Arabia
• Pennisetum occidentale – Venezuela, Colombia, Ecuador, Peru
• Pennisetum orientale – white fountaingrass, Oriental pennisetum – North Africa, Middle East, Central Asia, Indian Subcontinent
• Pennisetum pauperum – Ecuador incl Galápagos
• Pennisetum pedicellatum – annual kyasuwa grass, deenanth grass, hairy fountaingrass – Cape Verde, Africa, Madagascar, southern Asia from Arabia to Vietnam
• Pennisetum peruvianum – Venezuela, Colombia, Ecuador, Peru
• Pennisetum petiolare – petioled fountaingrass – Eritrea, Ethiopia, Sudan
• Pennisetum pirottae – Eritrea, Ethiopia, Sudan
• Pennisetum polystachion (L.) Schult. – feather pennisetum, mission grass, thin Napier grass – Africa, southern Asia from Arabia to Vietnam, Indian Ocean islands
• Pennisetum preslii – from Mexico to Peru
• Pennisetum procerum – Uganda, Kenya
• Pennisetum prolificum – southern Mexico
• Pennisetum pseudotriticoides – Madagascar
• Pennisetum pumilum – Ethiopia
• Pennisetum purpureum – Napier grass, Uganda grass, elephant grass, barner grass, Merker grass – Africa, Aldabra, Arabian Pen; naturalized in parts of Asia, Australia, Americas, various islands
• Pennisetum qianningense – Sichuan, Yunnan
• Pennisetum ramosum – central + eastern Africa
• Pennisetum rigidum – northern Argentina
• Pennisetum riparium – East Africa
• Pennisetum rupestre – Colombia, Peru
• Pennisetum sagittatum – Peru, Bolivia
• Pennisetum schweinfurthii – Ethiopia, Sudan
• Pennisetum setaceum – tender fountain grass, crimson fountaingrass – northern Africa, southwestern Asia; naturalized in Australia, New Zealand, scattered places in Europe + Americas
• Pennisetum shaanxiense – China
• Pennisetum sichuanense – Sichuan, Yunnan
• Pennisetum sieberianum – Africa
• Pennisetum sphacelatum – Africa, Comoros
• Pennisetum squamulatum – Eritrea, Ethiopia, Kenya, Tanzania
• Pennisetum stramineum – Eritrea, Ethiopia, Kenya, Tanzania, Yemen, Saudi Arabia
• Pennisetum tempisquense – Costa Rica
• Pennisetum thulinii – Ethiopia
• Pennisetum thunbergii – Africa, Yemen
• Pennisetum trachyphyllum – central Africa
• Pennisetum trisetum – central Africa
• Pennisetum tristachyum – South America
• Pennisetum uliginosum – Ethiopia
• Pennisetum unisetum – Natal grass, silky grass – Africa, Yemen, Saudi Arabia
• Pennisetum villosum R.Br. ex Fresen. – feathertop, long-style feathergrass, white foxtail – Africa, Yemen, Saudi Arabia; naturalized in New Zealand, Mediterranean, scattered places in Americas
• Pennisetum violaceum – Sahara, Sahel
• Pennisetum weberbaueri – Ecuador, Bolivia, Peru
• Pennisetum yemense – Yemen, Saudi Arabia, Eritrea

numerous species now considered better suited to other genera, primarily Cenchrus but also a few in Echinochloa and Setaria