Utah Valley University Herbarium


Accession # 09212 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Salix exigua Nutt.
Common name   narrow-leaf willow
J.G. Harris   2524  
Coll. Date 01 June 1993 
United States
Emery County
Locality San Rafael Swell, along the San Rafael River, at the Buckhorn Draw bridge.
     Elev.: 5150 ft. (1570 m.)
Habitat Notes riverbank community; Moenkopi Shale. 
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 39° 4'  55" N, 110° 40'  1" W
Township Range T20S, R11E, Sec. 15  
Datum Not recorded
Uncertainty Not calculated


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

     Salix exigua Nutt.

     Salix argophylla Nutt.
     Salix exigua var. angustissima (Anderss.) Reveal & Broome
     Salix exigua var. columbiana Dorn
     Salix exigua var. hindsiana (Benth.) Dorn
     Salix exigua var. luteosericea (Rydb.) Schneid.
     Salix exigua var. nevadensis (S. Wats.) Schneid.
     Salix exigua var. parishiana (Rowlee) Jepson
     Salix exigua var. stenophylla (Rydb.) Schneid.
     Salix exigua var. virens Rowlee
     Salix fluviatilis var. argophylla (Nutt.) Sarg.
     Salix hindsiana Benth.
     Salix hindsiana var. leucodendroides (Rowlee) Ball
     Salix hindsiana var. parishiana (Rowlee) Ball
     Salix hindsiana var. tenuifolia (Anderss.) Anderss.
     Salix interior var. angustissima (Anderss.) Dayton
     Salix interior var. luteosericea (Rydb.) Schneid.
     Salix linearifolia Rydb.
     Salix longifolia var. argophylla (Nutt.) Anderss.
     Salix longifolia var. exigua (Nutt.) Bebb
     Salix longifolia var. opaca Anderss.
     Salix luteosericea Rydb.
     Salix macrostachya var. leucodendroides Rowlee
     Salix malacophylla Nutt. ex Ball
     Salix nevadensis S. Wats.
     Salix parishiana Rowlee
     Salix sessilifolia var. hindsiana (Benth.) Anderss.
     Salix sessilifolia var. leucodendroides (Rowlee) Schneid.
     Salix stenophylla Rydb.
     Salix thurberi Rowlee

Common Name(s): coyote willow, desert willow, narrowleaf willow, sandbar willow.

Taxonomic Hierarchy: (ITIS TSN=22529, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Dilleniidae
                            Order: Salicales
                                Family: Salicaceae
                                    Genus: Salix
                                        Species: Salix exigua


Available images of this specimen (click to view):
specimen image: 09212s1.jpg

Images of other samples of the same species:
specimen image: 00736s1.jpg 
specimen image: 02083s1.jpg 
specimen image: 02100s1.jpg 
specimen image: 02199s1.jpg 
specimen image: 03486s1.jpg 
specimen image: 03487s1.jpg 
specimen image: 04265s1.jpg 
specimen image: 05441s1.jpg 
specimen image: 06418s1.jpg 
specimen image: 09054s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
00969 Aliciella stenothyrsa      "Uinta Basin gilia" 1.9 mi. S
00711 Allium macropetalum      "large-flowered wild onion" 2747 ft. N
00967 Asclepias cryptoceras  var. cryptoceras   "pallid milkweed" 1.9 mi. S
04053 Astragalus amphioxys  var. amphioxys   "crescent milkvetch" 2 mi. S
04040 Astragalus asclepiadoides      "milkweed milkvetch" 2 mi. S
00971 Astragalus asclepiadoides      "milkweed milkvetch" 1.9 mi. S
00972 Astragalus coltonii  var. coltonii   "Colton's milkvetch" 1.9 mi. S
03989 Astragalus cymboides      "canoe milkvetch" 2 mi. S
03988 Astragalus cymboides      "canoe milkvetch" 2 mi. S
03993 Astragalus lonchocarpus      "greater rushy milkvetch" 2 mi. S
01282 Atriplex canescens  var. canescens   "four-winged saltbush" 1.1 mi. N
00710 Castilleja scabrida  var. scabrida   "rough paintbrush" 2747 ft. N
09214 Chrysothamnus linifolius      "spearleaf rabbitbrush" same section
04052 Cryptantha flava      "yellow cat's eye" 2 mi. S
00968 Enceliopsis nudicaulis      "nakedstem sunray" 1.9 mi. S
01281 Ephedra torreyana      "Torrey's ephedra" 1678 ft. E
04054 Erigeron compactus  var. consimilis   "San Rafael cushion-daisy" 2 mi. S
02302 Eriogonum corymbosum  var. corymbosum   "crisp-leaf wild buckwheat" 1.2 mi. SW
04057 Eriogonum shockleyi      "Shockley's wild buckwheat" 2 mi. S
04055 Hilaria jamesii      "James' galleta" 2 mi. S
00970 Hymenoxys acaulis  var. arizonica   "Arizona four-nerve daisy" 1.9 mi. S
04056 Hymenoxys richardsonii  var. floribunda   "Colorado rubberweed" 2 mi. S
00460 Machaeranthera grindelioides  var. grindelioides   "gumweed tansy aster" 2747 ft. N
01286 Mahonia fremontii      "Fremont's mahonia" 1.1 mi. N
00424 Melilotus officinalis      "yellow sweetclover" 2747 ft. N
00463 Opuntia polyacantha  var. polyacantha   "hairspine pricklypear" 2747 ft. N
09217 Populus deltoides  var. fremontii   "Fremont's cottonwood" same section
09215 Sarcobatus vermiculatus      "greasewood" same section
04058 Sclerocactus whipplei  var. roseus  2 mi. S
00456 Sphaeralcea parvifolia      "small-leaf globemallow" 2747 ft. N
00459 Tamarix chinensis      "five-stamen tamarisk" 2747 ft. N
09213 Tamarix chinensis      "five-stamen tamarisk" same section
00457 Wyethia scabra      "rough mule's ears" 2747 ft. N


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
San Rafael Bridge Campground (Locale) Emery County, UT 1303 ft. SE 5102  Bottleneck Peak 
Buckhorn Wash (Valley) Emery County, UT 2001 ft. E   Buckhorn Reservoir 
Road Draw (Valley) Emery County, UT 0.6 mi. W   Bottleneck Peak 
Assembly Hall Peak (Summit) Emery County, UT 1.1 mi. S 5948  Bottleneck Peak 
Calf Canyon (Valley) Emery County, UT 1.7 mi. N   Bob Hill Knoll 
Pine Canyon (Valley) Emery County, UT 1.8 mi. N   Devils Hole 
Bottleneck Peak (Summit) Emery County, UT 1.9 mi. SW 6349  Bottleneck Peak 
Window Blind Peak (Summit) Emery County, UT 2.6 mi. S 6831  Bottleneck Peak 
Prickly Pear Flat (Flat) Emery County, UT 3 mi. NE 6355  Bottleneck Peak 
Cow Canyon (Valley) Emery County, UT 3.5 mi. N   Chimney Rock 
Cane Wash (Valley) Emery County, UT 3.5 mi. W   The Blocks 
Good Water Canyon (Valley) Emery County, UT 3.7 mi. W   Bottleneck Peak 
Little Grand Canyon (Valley) Emery County, UT 3.7 mi. W   Sids Mountain 
Limestone Bench (Bench) Emery County, UT 4.7 mi. S 5748  Bottleneck Peak 
The Wedge Overlook (Locale) Emery County, UT 4.2 mi. NW 6178  Bottleneck Peak 
Red Canyon (Valley) Emery County, UT 4.6 mi. SE   Devils Hole 
Orsons Pond (Lake) Emery County, UT 5.4 mi. N 6076  Bob Hill Knoll 
Summit Pond (Reservoir) Emery County, UT 5.4 mi. N 6204  Bob Hill Knoll 
West Fork Red Canyon (Valley) Emery County, UT 4.4 mi. E   Devils Hole 
East Fork Red Canyon (Valley) Emery County, UT 4.4 mi. E   Devils Hole 


Taxon Links for species Salix exigua  Nutt.

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:

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