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Description |
Geographic Range [top]
Range Description: Hygrophila polysperma is native to temperate and tropical Asia from China to Thailand, Viet Nam and India. It is naturalized in North America where it has been declared as noxious weed.
Countries occurrence:
Native:
Bangladesh; Bhutan; Cambodia; China (Guangdong, Guangxi, Yunnan); India; Lao Peoples Democratic Republic; Myanmar; Nepal; Pakistan; Thailand; Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
This species is one of the hardiest aquarium plants available. It is particularly good for beginners because it grows in almost all conditions. It normally grows so fast that it is important to prevent it crowding out other plants. It has been declared as noxious and invasive weed in North America.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: This species is a freshwater amphibious herb. It is found in warmer climates and prefers flowing streams, but may also be found in slow-moving waters and in lakes. It is a fast-growing and fast-spreading species that out-shades and out-competes other submersed plants. This plant interferes with navigation and has been known to compete with other aggressive non-native invasive plants.
Systems: Freshwater
Use and Trade [top]
Use and Trade:
The roots are anthelmintic and its pastes are given to kill abdominal insects. It is a very common aquarium plant because of its fast growing habit.
Threats [top]
Major Threat(s):
No threats to this species have been reported.
Conservation Actions [top]
Conservation Actions:
No conservation measures are in place or needed.
Citation: Gupta, A.K. 2011. Hygrophila polysperma. The IUCN Red List of Threatened Species 2011: e.T168988A6558920. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T168988A6558920.en. Downloaded on 13 July 2016.
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