EPPO Global Database

Pistia stratiotes(PIIST)

Distribution details in Paraguay

Current pest situation evaluated by EPPO on the basis of information dated 2019: Present, no details
Considered native to the Pantanal region of South America

The native range of the species is not clear, but it is suggested, that the species is either native to South America (Neuenschwander et al. 2009), or that P. stratiotes is a pan-tropical species occupying a native range across the tropical and subtropical regions of Asia, Africa, Australia and South America (Gillett et al., 1988; Evans 2013). See EPPO (2017) for further details.
* EPPO (2017) Pest Risk Analysis Pistia stratiotes EPPO, Paris. https://www.eppo.int/INVASIVE_PLANTS/ias_plants.htm [accessed on 2nd November 2017]

* Evans JM (2013). P. stratiotes L. in the Florida Peninsula: Biogeographic Evidence and Conservation Implications of Native Tenure for an ‘Invasive’ Aquatic Plant. Conservation and Society. 11(3) 233-246.

* Gillett JD, Dunlop CR, Miller IL (1988) Occurrence, origin, weed status and control of water lettuce (P. stratiotes L.) in the Northern Territory. Plant Protection Quarterly 3(4), 144-148.

* Neuenschwander P, Julien MH, Center TD & Hill MP (2009) Pistia stratiotes L. (Araceae). In: Biological Control of Tropical Weeds Using Arthropods (Eds Muniappan R, Reddy GVP & Raman A), pp. 332–352. Cambridge University Press, London, UK.
Situation in neighbouring countries
Country State Status
Argentina Present, no details view...
Bolivia Present, no details view...
Brazil Present, no details view...
Brazil Mato Grosso do Sul Present, no details view...
Brazil Mato Grosso Present, no details view...
Uruguay Present, no details view...