Leersia Explained

Leersia is a genus of plants in the grass family which includes species known generally as cutgrasses.^{[1] [2]}

The genus is widespread across many countries on all the inhabited continents.^{[3] [4] [5] [6] [7] [8] [9] [10]}

It was named for the German botanist Johann Daniel Leers (1727-1774).^[11]

Species

• Leersia angustifolia Prodoehl - Sudan
• Leersia denudata Launert - from Kenya to Cape Province
• Leersia drepanothrix Stapf - from Guinea to Uganda
• Leersia friesii Melderis - from Uganda to Botswana
• Leersia hexandra Sw. - Africa, Eurasia, Australian, North + South America, various islands
• Leersia japonica (Honda) Honda - China, Japan, Korea
• Leersia lenticularis Michx. - central + eastern USA
• Leersia ligularis Trin. - Latin America + West Indies from Coahuila to Paraguay
• Leersia monandra Sw. - Texas, Florida, Mexico, West Indies
• Leersia nematostachya Launert - Cameroon, Angola, Zambia
• Leersia oncothrix C.E.Hubb. - Zambia
• Leersia oryzoides (L.) Sw. - Eurasia (from Azores to Primorye), North America (Canada, USA, northeastern Mexico)
• Leersia perrieri (A.Camus) Launert - Madagascar
• Leersia sayanuka Ohwi - China, Japan, Korea, Vietnam
• Leersia stipitata Bor - Thailand
• Leersia tisserantii (A.Chev.) Launert - from Guinea to Namibia
• Leersia triandra C.E.Hubb. - Sierra Leone, Liberia, Cameroon
• Leersia virginica Willd. - eastern Canada, eastern + central USA

formerly includedsee Arthraxon Digitaria Hygroryza Maltebrunia Megastachya

• Leersia aristata - Hygroryza aristata
• Leersia digitaria - Digitaria ciliaris
• Leersia disticha - Megastachya mucronata
• Leersia hispida - Arthraxon hispidus
• Leersia latifolia - Maltebrunia leersioides

External links

• • Leersia Fact Sheet
• Grass Manual Treatment

Notes and References

1. https://www.biodiversitylibrary.org/page/376721#page/29/mode/1up Swartz, Olof. 1788. Nova Genera et Species Plantarum seu Prodromus 21
2. http://www.tropicos.org/Name/40003289 Tropicos, Leersia Sw.
3. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=117845 Flora of China Vol. 22 Page 184 假稻属 jia dao shu Leersia Solander ex Swartz, Prodr. 21. 1788.
4. http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=117845 Flora of Pakistan
5. http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=leersia Altervista Flora Italiana genere leersia
6. http://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:apni.taxon:575466 Atlas of Living Australia, Leersia Sw. Cutgrass
7. http://redlist.sanbi.org/genus.php?genus=1384 Sanbi Red List of South African Plants
8. http://bonap.net/NAPA/TaxonMaps/Genus/County/Leersia Biota of North America Program 2013 county distribution maps
9. Pohl, R. W. & G. Davidse. 1994. 25. Leersia Sw., nom. cons. 6: 221–222. In G. Davidse, M. Sousa Sánchez & A.O. Chater (eds.) Flora Mesoamericana. Universidad Nacional Autónoma de México, México, D.F.
10. Zon, A. P. M. v. 1992. Graminées du Cameroun. Wageningen Agricultural University Papers 92–1(2): 1–557
11. Web site: Ada Hayden Herbarium - Iowa State University, rice cutgrass (cutgrass), Leersia oryzoides (L.) Sw. . 2015-02-21 . 2017-10-01 . https://web.archive.org/web/20171001095756/http://www.eeob.iastate.edu/research/IowaGrasses/speciespages/LeersOryzo/LeersOryzo.html . dead .