Trapa natans L.
water chestnut
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Images:
Trapa natans L.
Click on a thumbnail to view an image, or
see all the Trapa thumbnails at the PLANTS Gallery
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Synonyms:
Trapa natans L.
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TRBI6 |
Trapa bispinosa Roxb. |
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TRNAB |
Trapa natans L. var. bispinosa (Roxb.) Makino |
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singhara nut
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TRNAN |
Trapa natans L. var. natans |
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caltrop
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Distribution:
Trapa natans L.
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See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (DC, DE, MA, MD, NJ, NY, PA, VA, VT), CAN (QC) |
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Related Taxa:
Trapa natans L.
View
1 genera in Trapaceae,
2 species in Trapa
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Classification:
Trapa natans L.
Click on a scientific name below to expand it in the PLANTS
Classification Report.
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Noxious Weed Information:
Trapa natans L.
This plant and the related entities italicized and indented below are listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place
name to get a complete noxious weed list for that location,
or click here for a composite list of all
Federal and State Noxious Weeds.
| Alabama: |
| water chestnut |
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Class C noxious weed |
| Arizona: |
| water-chestnut |
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Prohibited noxious weed |
| Connecticut: |
| water chestnut |
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Invasive, banned |
| Florida: |
| Trapa |
| water chestnut |
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Prohibited aquatic plant, Class 1 |
| Maine: |
| water chestnut |
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Invasive aquatic plant |
| Massachusetts: |
| water-chestnut |
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Prohibited |
| North Carolina: |
| Trapa |
| water-chestnut |
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Class A noxious weed |
| Oregon: |
| European water chestnut |
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"A" designated weed |
| European water chestnut |
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Quarantine |
| South Carolina: |
| water chestnut |
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Invasive aquatic plant |
| water chestnut, waternut |
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Plant pest |
| Vermont: |
| water chestnut |
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Class B noxious weed |
| Washington: |
| water chestnut, bull nut |
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Wetland and aquatic weed quarantine |
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U.S. Weed Information:
Trapa natans L.
water chestnut
Trapa
water-chestnut
This plant and the related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant
may be known by one or more common names in different
places, and some are listed above. Click on an acronym
to view each weed list, or click here for a
composite list of Weeds of the U.S.
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Assorted authors.
200_.
State noxious weed lists for 46 states.
State agriculture or natural resource departments.
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Introduced Information:
Trapa natans L.
This plant is introduced to some part of the PLANTS
Floristic Area, though it may be native in other parts. Click on
link below for a partial or complete list of PFA introduced plants.
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Wetland Indicator Status:
Trapa natans L.
| Nat. Ind. |
Reg. 1 |
Reg. 2 |
Reg. 3 |
Reg. 4 |
Reg. 5 |
Reg. 6 |
Reg. 7 |
Reg. 8 |
Reg. 9 |
Reg. 0 |
Reg. A |
Reg. C |
Reg. H |
| OBL |
OBL |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
NO |
Interpreting Wetland Indicator Status
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More Accounts and Images:
Trapa natans L.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 27170.
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Related Web Sites:
Trapa natans L.
CT-Invasive Plant Atlas of New England
CT-Invasive Plant Species Identification Sheets (USDA NRCS)
Canada-Invasive Exotic Plant Fact Sheets
Image from Hungary
Invasive Plant Atlas of New England
MA-Massachusetts Non-Native Plant Introductions
MD-Department of Natural Resources
NH-Environmental Fact Sheet
NY-Invasive Plant Council of New York State-Top 20
SC-Aquatic Nuisance Species Program
VT-Aquatic Nuisance Species
Vermont Agency of Natural Resources: Aquatic Nuisance Species
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