From Encyclopedia of Medicinal Plants
Template:Taxobox Eleocharis parvula is a species of spikesedge known by the common names dwarf spikerush, small spikerush and hairgrass in aquaria. It is a plant of brackish and saltwater habitat, such as marshes and mudflats. It is a perennial herb growing tufts of spongy, compressible stems not more than 10 centimeters tall. The plant grows from a tuber which is J-shaped or horseshoe-shaped, a characteristic that helps in the identification of the species.<ref>Flora of North America, Eleocharis parvula'</ref> The inflorescence is an oval-shaped spikelet just 2 or 3 millimeters long, made up of several tiny flowers.<ref>Altervista Flora Italiana, Giunchina piccina, Eleocharis parvula (R. et S.) Link </ref>
Eleocharis parvula has a disjunct, scattered distribution. It is widespread across much of Europe and North America (US, Canada, Mexico, Central America), with additional populations in the Russian Far East, Japan, Hainan, Java, Vietnam, Kazakhstan, Uzbekistan, Venezuela, Cuba, and Brazil.<ref>Kew World Checklist of Selected Plant Families</ref><ref>Biota of North America Program, 2013 county distribution map</ref><ref>Espejo Serna, A. & López-Ferrari, A.R. (1997). Las Monocotiledóneas Mexicanas una Sinopsis Florística 5: 1-98. Consejo Nacional de la Flora de México, México D.F.. </ref><ref>Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia , ed. 2: 1-358. Province of British Columbia.</ref><ref>Jermy, C., Simpson, D., Foley, M. & Porter, M. (2007). Sedges of the British Isles. B.S.B.I. Handbook No. 1 , ed. 3: 1-554. Botanical Society of the British Isles, London. </ref><ref>Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.</ref><ref>Kravchenko, A.V., Timofeeva, V.V., Rudkocskaya, O.A. & Fadeeva, M.A. (2008). Vascular plant species new and rare to Karelia. Botanicheskii Zhurnal. Moscow & Leningrad 93: 776-788. </ref><ref>Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. </ref>
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