AQUAPLANT - Water Lettuce
https://aquaplant.tamu.edu/plant-identification/alphabetical-index/water-lettuc…
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
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Early Detection & Distribution Mapping System (EDDMapS) - Water Lettuce
https://www.eddmaps.org/distribution/usstate.cfm?sub=3064University of Georgia. Center for Invasive Species and Ecosystem Health.
Provides state, county, point and GIS data. Maps can be downloaded and shared.
EPPO Global Database - Pistia stratiotes
https://gd.eppo.int/taxon/PIISTEuropean and Mediterranean Plant Protection Organization.
Fact Sheet: Water Lettuce
https://seagrant.psu.edu/Water-lettuce/Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species Fact Sheets for additional species information
Global Invasive Species Database - Pistia stratiotes (aquatic plant)
https://www.iucngisd.org/gisd/species.php?sc=285IUCN. Species Survival Commission. Invasive Species Specialist Group.
Google Images - Water Lettuce
https://www.google.com/search?q=%22water%20lettuce%22&tbm=ischGoogle.
Invaders Factsheet: Water Lettuce
https://www.invadingspecies.com/invaders/aquatic-plants/water-lettuce-2/Ontario's Invading Species Awareness Program (Canada).
Invasive Freshwater Plants and Rock Snot - Water Lettuce
https://ucanr.edu/sites/CalAIS/Freshwater_Plants_and_Rock_Snot/?uid=15&ds=780University of California. Agriculture and Natural Resources. California Aquatic Invasive Species.
Invasive Plant Atlas of the United States - Water Lettuce
https://www.invasiveplantatlas.org/subject.html?sub=3064University of Georgia. Center for Invasive Species and Ecosystem Health.
Invasive Plants in Pennsylvania: Water Lettuce
PDF376 KBhttps://elibrary.dcnr.pa.gov/GetDocument?docId=1738768&DocName=water%20lettuce…Pennsylvania Department of Conservation and Natural Resources.
See also: Invasive Plant Fact Sheets for plant species (trees, shrubs, vines, herbs and aquatic plants) that have impacted the state's natural lands
Invasive Plants: Restricted Invasive Plants - Water lettuce
https://www.business.qld.gov.au/industries/farms-fishing-forestry/agriculture/b…Business Queensland (Australia).
Invasive Species Compendium - Pistia stratiotes
https://doi.org/10.1079/cabicompendium.41496CAB International.
Invasive.org - Water Lettuce
https://www.invasive.org/browse/subthumb.cfm?sub=3064University of Georgia. Center for Invasive Species and Ecosystem Health.
Keys and Fact Sheets: Pistia stratiotes (Water Lettuce)
https://keys.lucidcentral.org/keys/v3/eafrinet/weeds/key/weeds/Media/Html/Pisti…East African Network for Taxonomy.
NAISMA Biocontrol Factsheets
https://naisma.org/naisma-resources/biocontrol/biocontrol-factsheets/North American Invasive Species Management Association.
The NAISMA Classical Biocontrol Committee is excited to announce new peer-reviewed weed biocontrol publications for use by managers and landowners. Subject matter experts are developing a series of factsheets that cover invasive plants and their associated biological control agents in North America. Funding for these factsheets is provided by the United State Forest Service. NAISMA is partnering with iBiocontrol.org to host these publications.
See also: Resources on Biocontrol and Classical Weed Biocontrol Factsheets Released for Landowners and Weed Managers (Press Release - Aug 31, 2022)Nonindigenous Aquatic Species Database: Fact Sheet - Water Lettuce
https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=1099DOI. USGS. Wetland and Aquatic Research Center.
Provides distribution maps and collection information (State and County).
Nonindigenous Aquatic Species Database: Point Map - Water Lettuce
https://nas.er.usgs.gov/viewer/omap.aspx?SpeciesID=1099DOI. USGS. Wetland and Aquatic Research Center.
Provides detailed collection information as well as animated map.
NSW WeedWise: Water lettuce
https://weeds.dpi.nsw.gov.au/Weeds/Details/173New South Wales Department of Primary Industries (Australia).
Pacific Island Ecosystems at Risk (PIER) - Pistia stratiotes
http://www.hear.org/Pier/species/pistia_stratiotes.htmUSDA. FS. Institute of Pacific Islands Forestry.
Pacific Pests, Pathogens, & Weeds - Water Lettuce
https://apps.lucidcentral.org/pppw_v10/text/web_full/entities/water_lettuce_456…Australian Centre for International Agricultural Research. PestNet.