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Giant salvinia completely cover Lake Wilson in Hawaii. Salvinia molesta, commonly known as giant salvinia, or as kariba weed after it infested a large portion of Lake Kariba between Zimbabwe and Zambia, is an aquatic fern, native to south-eastern Brazil. [1]
Giant salvinia (Salvinia molesta) is a commonly introduced invasive weed in warm climates, but is native to South America. It grows rapidly, up to two times its dry weight in 2 + 1 ⁄ 2 days, and forms dense mats over still waters. A tiny weevil, Cyrtobagous salviniae, has been used successfully to biologically control giant salvinia. [9]
Cyrtobagous salviniae is a species of weevil known as the salvinia weevil. It is used as an agent of biological pest control against the noxious aquatic plant giant salvinia (Salvinia molesta). The adult weevil is about 2 millimeters long. It is brown in color during its first few days of adult life and soon turns shiny black.
Salvinia minima is a species of aquatic, floating fern that grows on the surface of still waterways. [1] It is usually referred to as common salvinia or water spangles . Salvinia minima is native to South America, Mesoamerica, and the West Indies and was introduced to the United States in the 1920s–1930s. [ 2 ]
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The lake is "under siege" by a fast-spreading, Velcro-like aquatic fern, Salvinia molesta, also known as Giant Salvinia. Accidentally introduced to the lake by boaters, the noxious weed doubles in size every two to four days, rapidly killing off life below the surface. Most of the growth of the plant is on the Louisiana side.
Salvinia molesta [n] Aquatic plant Giant salvinia, kariba weed Invasive worldwide. Schinus terebinthifolia [11] [o] Tree Brazilian holly, Brazilian pepper, Brazilian pepper tree, Christmas berry, Florida holly, Mexican pepper Invasive in North America, Australia, the West Indies, Pacific Islands. Native to South America. Sciurus carolinensis ...
Salvinia minima: common salvinia Casuarinaceae (sheoak family) Salvinia molesta: giant salvinia Vitaceae (grape family) Sesbania punicea: rattlebox Asteraceae (aster family) Solanum tampicense: aquatic soda apple Asteraceae (aster family)