Utah Valley University Herbarium


Accession # 11922 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Lygodesmia spinosa Nutt.
Common name   thorn skeletonweed
Donna M. Barnes   5369  
Coll. Date 08 August 2006 
United States
Garfield County
Locality Escalante Mountains, FR117, to Escalante, [along North Creek Road (FH 17), N of the mouth of Beck Hollow, roadcut N of the road];
     Elev.: 7939 ft. (2420 m.)
Habitat Notes roadcut, rocky red soil; ponderosa pine community. 
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° 54'  6" N, 111° 47'  29" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): 30" (900 m.)


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

     Stephanomeria spinosa (Nutt.) S. Tomb

     Lygodesmia spinosa Nutt.

Common Name(s): spiny skeletonweed, thorn skeletonweed, thorny wire-lettuce.

Taxonomic Hierarchy: (ITIS TSN=38454, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Stephanomeria
                                        Species: Stephanomeria spinosa


Available images of this specimen (click to view):
specimen image: 11922s1.jpg specimen image: 11922d1.jpg

Images of other samples of the same species:
specimen image: 01249s2.jpg 
specimen image: 01254s2.jpg 
specimen image: 03280s2.jpg 
specimen image: 03932s2.jpg 
specimen image: 04174s2.jpg 
specimen image: 05450s2.jpg 
specimen image: 07580s2.jpg 
specimen image: 11696d1.jpg 
specimen image: 11696s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11924 Asclepias asperula      "spider milkweed" same section
11919 Bouteloua gracilis      "blue grama" same section
13634 Eriogonum alatum      "winged wild buckwheat" same section
11921 Eriogonum alatum      "winged wild buckwheat" same section
11920 Hymenoxys helenioides      "Intermountain rubberweed" same section
11923 Tetradymia canescens      "spineless horsebrush" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Twitchell Creek (Stream) Garfield County, UT 2233 ft. N   Barker Reservoir 
White Ranch (Locale) Garfield County, UT 0.9 mi. SW 8189  Barker Reservoir 
Griffin Creek (Stream) Garfield County, UT 1.1 mi. N   Barker Reservoir 
White Creek (Stream) Garfield County, UT 1 mi. S   Barker Reservoir 
Beck Hollow (Valley) Garfield County, UT 1.2 mi. SE   Barker Reservoir 
Holbys Bottom (Bend) Garfield County, UT 2 mi. NW 9282  Barker Reservoir 
Whites Cove (Valley) Garfield County, UT 2.4 mi. S   Barker Reservoir 
West Fork North Creek (Stream) Garfield County, UT 2.6 mi. S   Barker Reservoir 
Lower Barker Dam (Dam) Garfield County, UT 2.3 mi. NW 9449  Barker Reservoir 
Lower Barker Reservoir (Reservoir) Garfield County, UT 2.4 mi. NW 9443  Barker Reservoir 
Whites Flat (Flat) Garfield County, UT 2.3 mi. SE 7924  Barker Reservoir 
Mitchell Spring (Spring) Garfield County, UT 2.6 mi. SW 9065  Griffin Point 
Joe Lay Reservoir (Reservoir) Garfield County, UT 2.5 mi. NW 9476  Barker Reservoir 
Gates Spring (Spring) Garfield County, UT 2.3 mi. NW 9518  Barker Reservoir 
Rock Lake (Lake) Garfield County, UT 2.4 mi. NE 9289  Barker Reservoir 
Barker Dam (Dam) Garfield County, UT 2.4 mi. NW 9571  Barker Reservoir 
Barker Reservoir Campground (Locale) Garfield County, UT 2.4 mi. NW 9535  Barker Reservoir 
Barker Reservoir (Reservoir) Garfield County, UT 2.4 mi. NW 9531  Barker Reservoir 
Yellow Lake (Lake) Garfield County, UT 2.9 mi. NW 9633  Barker Reservoir 
Tall Four Reservoir (Reservoir) Garfield County, UT 2.7 mi. NW 9669  Barker Reservoir 


Taxon Links for species Lygodesmia spinosa  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:

Zooming out might reveal more collections in other states.

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