Hygrophila polysperma
Hygrophila polysperma
(Indian swampweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

22 results for Hygrophila polysperma (Indian swampweed)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
3121 Hygrophila polysperma Infrastructure Observational Field Hygrophila polysperma clog water control structures and pump stations by forming large... 10682
3122 Hygrophila polysperma Commerce Anecdotal N/A Hygrophila polysperma may have a significant negative economic impact on the aquarium... 28656
3123 Hygrophila polysperma Habitat Alteration Anecdotal Laboratory Hygrophila polysperma shares characteristics with Hydrilla verticillata and may... 10719
3143 Hygrophila polysperma Competition Experimental Laboratory Hygrophila polysperma out-competed Ludwigia repens in biomass growth in tank... 31299
3144 Hygrophila polysperma Disease/Parasites/Toxicity Anecdotal N/A A vector of eastern and western equine encephalomyelitis, Coquillettidia perturbans, was... 28650
3148 Hygrophila polysperma Infrastructure Observational Field Herbicide is used to control Hygrophila polysperma in canals in south Florida to prevent... 28650
7075 Hygrophila polysperma Competition Experimental Laboratory Hygrophila polysperma has outcompeted Hydrilla verticillata, another... 32661
7076 Hygrophila polysperma Competition Observational Field In contrast to the competitive ability of Hygrophila polysperma observed in the... 42130
7077 Hygrophila polysperma Competition Observational Field Sampling on the San Marcos River, TX found that Hygrophila polysperma was one of the... 22751
7078 Hygrophila polysperma Competition Anecdotal N/A Hygrophila polysperma may form dense single species stands that often do not provide ideal... 31293
7079 Hygrophila polysperma Water Quality Observational Field Hygrophila polysperma decreases sunlight availability and creates anoxic conditions once... 22751
7080 Hygrophila polysperma Habitat Alteration Anecdotal N/A Dense stands of Hygrophila polysperma trap sediments, slow water flow in irrigation... 31293
7081 Hygrophila polysperma Habitat Alteration Observational Field Hygrophila polysperma has spread rapidly where it exists in Texas, historically occupying... 31299
7082 Hygrophila polysperma Human Health Anecdotal N/A Establishment of Hygrophila polysperma could facilitate growth in pest mosquito... 28650
7083 Hygrophila polysperma Infrastructure Anecdotal N/A Hygrophila polysperma can clog irrigation and flood control canals, and mats of it can... 28650
7084 Hygrophila polysperma Other Observational Field In 2006, there was an estimated 206 acres of Hygrophila polysperma establishment in... 31302
7085 Hygrophila polysperma Recreation Anecdotal N/A Hygrophila polysperma is capable of occupying the whole water column; this reportedly... 31293
7086 Hygrophila polysperma Other Anecdotal N/A Hygrophila polysperma invasion is attributed to declines of recreational and aesthetic... 31293
7087 Hygrophila polysperma Other Anecdotal N/A Hygrophila polysperma invasion is attributed to declines of recreational and aesthetic... 31293
7088 Hygrophila polysperma Harvest Observational Field Hygrophila polysperma is reportedly sold as an aquarium plant in the Great Lakes region... 14457
7089 Hygrophila polysperma Recreation Anecdotal N/A Hygrophila polysperma is a popular aquarium species and was an important plant grown in... 28650
7090 Hygrophila polysperma Harvest Anecdotal N/A Hygrophila polysperma is a popular aquarium species and was an important plant grown in... 28650

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Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/4/2023].

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