Plants Profile for Nasturtium officinale (watercress)

General Information
Symbol:	NAOF
Group:	Dicot
Family:	Brassicaceae
Duration:	Perennial
Growth Habit:	Forb/herb
Native Status:	AK I CAN I L48 I PR I SPM I VI I
Data Source and Documentation

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	Native		Introduced		Both		Absent/Unreported
	Native, No County Data		Introduced, No County Data		Both, No County Data

Native Status:

L48

NAV

CAN

SPM

Images

click on a thumbnail to view an image, or see all the Nasturtium thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements.

Brother Alfred Brousseau. Provided by St. Mary's College of California. ©St. Mary's College of California. Usage Requirements.

©Jim Stasz. Usage Requirements.

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. France. Usage Requirements.

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team. Usage Requirements.

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 162. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.

Synonyms

Symbol	Scientific Name	Other Common Names
NANA2	Nasturtium nasturtium-aquaticum (L.) Karsten
NAOFS	Nasturtium officinale W.T. Aiton var. siifolium (Rchb.) W.D.J. Koch
RONA2	Rorippa nasturtium-aquaticum (L.) Hayek	watercress
SINA4	Sisymbrium nasturtium-aquaticum L.

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.

Rank	Scientific Name and Common Name
Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Dilleniidae
Order	Capparales
Family	Brassicaceae ⁄ Cruciferae – Mustard family
Genus	Nasturtium R. Br. – yellowcress
Species	Nasturtium officinale W.T. Aiton – watercress

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is 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.
Connecticut Rorippa nasturtium-aquaticum watercress Potentially invasive, banned

U.S. Weed Information
Nasturtium officinale watercress Rorippa nasturtium-aquaticum watercress This plant and synonym 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.
STATE	Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments.
SEEPPC	Southeast Exotic Pest Plant Council. 1996. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean	OBL

North America
Alaska	OBL
Arid West	OBL
Atlantic and Gulf Coastal Plain	OBL
Eastern Mountains and Piedmont	OBL
Great Plains	OBL
Midwest	OBL
Northcentral & Northeast	OBL
Western Mountains, Valleys, and Coast	OBL