Plants Profile for Equisetum laevigatum (smooth horsetail)

General Information
Symbol:	EQLA
Group:	Horsetail
Family:	Equisetaceae
Duration:	Perennial
Growth Habit:	Forb/herb
Native Status:	CAN N L48 N
Characteristics
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

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Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). 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. 1: 42. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. 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.

Synonyms

Symbol	Scientific Name
EQFU2	Equisetum funstonii A.A. Eaton
EQKA2	Equisetum kansanum Schaffn.
EQLAF	Equisetum laevigatum A. Braun ssp. funstonii (A.A. Eaton) Hartm.
HILA5	Hippochaete laevigata (A. Braun) Farw.

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
Division	Equisetophyta – Horsetails
Class	Equisetopsida
Order	Equisetales
Family	Equisetaceae – Horsetail family
Genus	Equisetum L. – horsetail
Species	Equisetum laevigatum A. Braun – smooth horsetail

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered 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 protected plant list for that location.
New York smooth scouring rush Endangered

U.S. Weed Information
Equisetum laevigatum smooth horsetail smooth scouringrush This plant 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.
WSWS	Whitson, T.D. (ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status

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