''Rottboellia'' (commonly called itch grass) is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...

n, and Australian plants in the grass family.Flora of China Vol. 22 Page 644 筒轴茅属 tong zhou mao shu ''Rottboellia'' Linnaeus f., Suppl. Pl. 114
/ref> The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797). ; Species * ''

Rottboellia cochinchinensis ''Rottboellia cochinchinensis'' is a species of Poaceae, grass known by the common names Itchgrass,Holm, L. G., Plucknett, D. L., Pancho, J. V., & Herberger, J. P. (1977). The world’s worst weeds. The World’s Worst Weeds.Smith, M. C., Reeder, ...

'' (Lour.) Clayton -

, Australia * ''

Rottboellia coelorachis ''Rottboellia'' (commonly called itch grass) is a genus of African, Asian, and Australian plants in the grass family. The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797). ; Species * ''Rottboellia cochinchinens ...

'' G.Forst. - New Caledonia,

Vanuatu Vanuatu ( or ; ), officially the Republic of Vanuatu (french: link=no, République de Vanuatu; bi, Ripablik blong Vanuatu), is an island country located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of no ...

* ''

Rottboellia goalparensis ''Rottboellia'' (commonly called itch grass) is a genus of African, Asian, and Australian plants in the grass family. The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797). ; Species * ''Rottboellia cochinchinens ...

'' Bor -

Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...

* ''

Rottboellia laevispica ''Rottboellia'' (commonly called itch grass) is a genus of African, Asian, and Australian plants in the grass family. The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797). ; Species * ''Rottboellia cochinchinens ...

'' Keng -

Anhui Anhui , (; formerly romanized as Anhwei) is a landlocked province of the People's Republic of China, part of the East China region. Its provincial capital and largest city is Hefei. The province is located across the basins of the Yangtze River ...

Jiangsu Jiangsu (; ; pinyin: Jiāngsū, alternatively romanized as Kiangsu or Chiangsu) is an eastern coastal province of the People's Republic of China. It is one of the leading provinces in finance, education, technology, and tourism, with its ca ...

* ''

Rottboellia paradoxa ''Rottboellia'' (commonly called itch grass) is a genus of African, Asian, and Australian plants in the grass family. The genus was named in honour of Danish botanist Christen Friis Rottbøll (1727-1797). ; Species * ''Rottboellia cochinchinens ...

'' de Koning & Sosef -

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

* ''

Rottboellia purpurascens ''Rottboellia purpurascens'' is a species of swamp grass native to tropical Western Africa and the Congo Basin The Congo Basin (french: Bassin du Congo) is the sedimentary basin of the Congo River. The Congo Basin is located in Central Africa, ...

'' Robyns - tropical

; Formerly included Numerous species now considered better suited to other genera: ''

Chasmopodium ''Chasmopodium'' is a genus of African plants in the grass family.Coelorachis ''Coelorachis'' is a genus of plants in the grass family, widespread across much of Asia, Africa, Australia and the Americas. ''Coelorhachis'' is treated by some sources as part of the genus '' Mnesithea'', so the following species can general ...

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Elionurus ''Elionurus'' is a genus of Asian, African, Australian, and Neotropical plants in the grass family. ; Species ; formerly included see '' Bothriochloa Lasiurus ''Lasiurus'' is a genus of bats in the family Vespertilionidae Vespertilion ...

'', ''

Eremochloa ''Eremochloa'' is a genus of Asian and Australian plants in the grass family. ; SpeciesPohl, R. W. 1994. 171. ''Eremochloa'' Buse. 6: 397. In G. Davidse, M. Sousa Sánchez & A.O. Chater (eds.) Flora Mesoamericana. Universidad Nacional Autónom ...

'', ''

Glyphochloa ''Glyphochloa'' is a genus of India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world ...

'', ''

Hainardia ''Hainardia'' is a genus of coastal plants in the grass family, native to the Mediterranean Basin. The only known species is ''Hainardia cylindrica'', known by several common names, including barbgrass, one-glumed hard-grass, and thintail. It ...

'', ''

Hemarthria ''Hemarthria'' is a genus of herbaceous plants in the grass family. They occur in the tropical and subtropical Old World, especially in China and Southeast Asia, with some species in Africa, Australia, and southern Europe.

'', ''

Henrardia ''Henrardia'' is a genus of Asian plants in the grass family. ; Species * '' Henrardia persica'' (Boiss.) C.E.Hubb. - Kazakhstan, Kyrgyzstan, Turkmenistan, Uzbekistan, Tajikistan, Afghanistan, Iran, Turkey, Pakistan, Syria, Lebanon * '' Henrar ...

'', ''

Heteropholis ''Heteropholis'' is a genus of African and Sri Lankan plants in the grass family. ; Species * '' Heteropholis benoistii'' A.Camus - Madagascar * '' Heteropholis nigrescens'' (Thwaites) C.E.Hubb. - Sri Lanka * '' Heteropholis sulcata'' (Stapf) ...

'', ''

Ischaemum ''Ischaemum'' is a taxonomically one of the most formidable genera in a huge tribe Andropogoneae belonging to the grass family, widespread in tropical and semitropical regions in many countries. Many species are known commonly as murainagrass. ...

'', ''

Lasiurus ''Lasiurus'' is a genus of bats in the family Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilio ...

'', '' Lolium'', '' Loxodera'', ''

Manisuris ''Manisuris'' is a genus of Indian plants in the grass family. The only known species is ''Manisuris myurus'', native to Tamil Nadu in southern India. Formerly included species Numerous species are now regarded as better suited in other genera, ...

'', ''

Mnesithea ''Mnesithea'', or jointtail grass, is a genus of Asian, Australian, and Pacific Island plants in the grass family. ; Species * '' Mnesithea annua'' (Lazarides) de Koning & Sosef - Western Australia * '' Mnesithea formosa'' (R.Br.) de Koning & ...

'', ''

Muhlenbergia ''Muhlenbergia'' is a genus of plants in the grass family. The genus is named in honor of the German-American amateur botanist Gotthilf Heinrich Ernst Muhlenberg (1753-1815). Many of the species are known by the common name muhly. The greatest ...

'', '' Ophiuros'', '' Oropetium'', ''

Parapholis ''Parapholis'' is a genus of Eurasian and North African plants in the Poaceae, grass family. Species *''Parapholis filiformis'' (Roth) C.E.Hubb. - from Madeira to Turkey *''Parapholis gracilis'' Bor - Caucasus, Iraq, Iran, Jordan, and Israel. * ...

'', '' Phacelurus'', '' Pholiurus'', '' Psilurus'', '' Ratzeburgia'', '' Rhytachne'', '' Schizachyrium'', ''

Spartina ''Spartina'' is a taxon of plants in the grass family, frequently found in coastal salt marshes. Its species are commonly known as cordgrass or cord-grass, and are native to the coasts of the Atlantic Ocean in western and southern Europe, nort ...

'', '' Stenotaphrum'', '' Thaumastochloa'', '' Urelytrum'' and '' Xerochloa''.

References

External links

Grassbase - The World Online Grass Flora
Panicoideae Poaceae genera Grasses of Africa Grasses of Asia Grasses of Oceania {{Panicoideae-stub