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Description |
Geographic Range [top]
Range Description:
Rotala mexicana is an annual and widespreaded cosmopolitan species. In India it is commonly seen in Andhra Pradesh, Assam, Bihar, Kerala, Karnataka, Madhya Pradesh, Orissa, Rajasthan, Sikkim and Uttar Pradesh (Cook 1996). It can be seen throughout the warmer parts of the world, northeast Africa, Arabia and Pacific Islands (Joseph and Sivarajan 1989).
Countries occurrence:
Native:
Angola (Angola); Bangladesh; Central African Republic; Chad; China (Henan, Jiangsu, Shaanxi, Zhejiang); India (Andhra Pradesh, Assam, Bihar, Karnataka, Kerala, Madhya Pradesh, Orissa, Rajasthan, Sikkim, Uttar Pradesh); Kenya; Mauritania; Mozambique; Myanmar; Nigeria; Senegal; South Africa; South Sudan; Sudan; Taiwan, Province of China; Tanzania, United Republic of; Togo; Uganda; Zambia; Zimbabwe
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
Commonly occurring widespread species.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology:
It is annual and usually found in shallow water or on wet mud following rain. It is sometimes very short-lived and can complete its generative history in less than a month. It passes the dry period as seed (Cook 1996). A wide spread and variable species found usually in shallow water or wet or moist open grounds during monsoon. Sometimes looks like terrestrial algae, it is very short-lived and completes its life-cycle within a fortnight. In water of 10 cm or more deep, stem is erect and branched below and the submerged leaves ate linear, thin, usually in whorls (Joseph and Sivarajan 1989).
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: Unknown
Use and Trade [top]
Use and Trade:
No use has been reported for this species.
Threats [top]
Major Threat(s):
No threats have been reported for this species.
Conservation Actions [top]
Conservation Actions:
No conservation actions are needed for this species.
Citation: Mani, S. 2011. Rotala mexicana. The IUCN Red List of Threatened Species 2011: e.T177120A7370964. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T177120A7370964.en. Downloaded on 13 December 2016.
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