Utah Valley University Herbarium


Accession # 04266 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Equisetum laevigatum A. Braun
Common name   smooth horsetail
D. Carter   s.n.  
   with D.M. Barnes
Coll. Date 26 April 2000 
United States
San Juan
Locality southern fork of Mule Canyon;
Habitat Notes wet stream bed. 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 37° 32'  13" N, 109° 43'  55" W
Township Range T37S, R19E  
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Equisetum laevigatum A. Braun

     Equisetum funstonii A.A. Eat.
     Equisetum kansanum Schaffn.
     Equisetum laevigatum ssp. funstonii (A.A. Eat.) Hartman
     Hippochaete laevigata (A. Braun) Farw.

Common Name(s): horsetail, smooth horsetail, smooth scouringrush, smooth scouring-rush.

Taxonomic Hierarchy: (ITIS TSN=17156, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Equisetophyta
                    Class: Equisetopsida
                        Order: Equisetales
                            Family: Equisetaceae
                                Genus: Equisetum
                                    Species: Equisetum laevigatum


Available images of this specimen (click to view):
specimen image: 04266s3.jpg

Images of other samples of the same species:
specimen image: 00232s3.jpg 
specimen image: 01542s3.jpg 
specimen image: 02690s3.jpg 
specimen image: 02719s3.jpg 
specimen image: 03121s3.jpg 
specimen image: 03183s3.jpg 
specimen image: 03816s4.jpg 
specimen image: 05793s3.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
04337 Arctostaphylos patula      "greenleaf manzanita" same section
04746 Cryptantha pustulosa      "blistered James' cat's eye" same section
04280 Lithospermum incisum      "narrow-leaf stoneseed" same section
04747 Salix boothii      "Booth's willow" same section
04265 Salix exigua      "narrow-leaf willow" same section
04302 Streptanthus cordatus  var. cordatus   "heart-leaf twistflower" same section


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
North Fork Mule Canyon (Valley) San Juan County, UT 1909 ft. E   South Long Point 
Dog Tanks Spring (Spring) San Juan County, UT 1.8 mi. N 6122  Hotel Rock 
Baullies (Area) San Juan County, UT 1.8 mi. SW 6168  South Long Point 
Cave Towers (Locale) San Juan County, UT 1.7 mi. W 6237  South Long Point 
Mule Canyon Ruins (Locale) San Juan County, UT 3 mi. N 5443  Hotel Rock 
Hotel Rock (Pillar) San Juan County, UT 3 mi. NE 6181  Hotel Rock 
Picket Fork (Stream) San Juan County, UT 3.5 mi. S   South Long Point 
Texas Flat (Flat) San Juan County, UT 3.4 mi. N 6687  South Long Point 
Arch Canyon Trail (Trail) San Juan County, UT 4 mi. N 5620  Hotel Rock 
Arch Canyon (Valley) San Juan County, UT 3.6 mi. E   Kigalia Point 
Perkins Ranch (Locale) San Juan County, UT 3.6 mi. E 4987  Hotel Rock 
Dog Tanks Draw (Valley) San Juan County, UT 3.7 mi. E   Hotel Rock 
Little Baullie Mesa (Summit) San Juan County, UT 4.8 mi. N 6565  Hotel Rock 
Arch Canyon Overlook (Locale) San Juan County, UT 4.6 mi. N 6706  South Long Point 
Pine Spring (Spring) San Juan County, UT 4.1 mi. W 6618  South Long Point 
Mule Canyon (Valley) San Juan County, UT 4.4 mi. SE   South Long Point 
Texas Canyon (Valley) San Juan County, UT 5.1 mi. N   Kigalia Point 
Cathedral Arch (Arch) San Juan County, UT 5.3 mi. N 6411  South Long Point 
South Fork Fish Creek (Stream) San Juan County, UT 4.5 mi. SW   South Long Point 
Angel Arch (Arch) San Juan County, UT 5.3 mi. N 5952  South Long Point 


Taxon Links for species Equisetum laevigatum  A. Braun

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

Zooming out might reveal more collections in other states.

Note: Printing this page will show all information sequentially.   edit