Utah Valley University Herbarium

Label

 
Accession # 02520 
Family
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Family
AsteraceaeAsteraceaeAsteraceae  
Species Prenanthella exigua (A. Gray) Rydb.
Common name   thorny skeleton plant
Collector(s)
K.T. Harper   s.n.  
   with R. Van Buren, T. Worthington
Coll. Date 09 May 1997 
Country
State/Province
County
United States
Utah
Washington County
Locality Chinle shale (near dump site).
    
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° 8'  57" N, 113° 33'  32" W
Township Range T42S, R15W, Sec. 8 NE 1/4  
Datum Not recorded
Uncertainty Not calculated
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).

Taxonomy


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

     Prenanthella exigua (Gray) Rydb.

     Lygodesmia exigua (Gray) Gray

Common Name(s): brightwhite, feeble prenanthela.

Taxonomic Hierarchy: (ITIS TSN=38267, click for more information and references)

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

Images

Available images of this specimen (click to view):
specimen image: 02520s2.jpg

Images of other samples of the same species:
specimen image: 02381s3.jpg 
02381
specimen image: 02419s2.jpg 
02419
specimen image: 05937s2.jpg 
05937
specimen image: 06025s2.jpg 
06025
specimen image: 10257s2.jpg 
10257
specimen image: 10662s2.jpg 
10662
specimen image: 13275s1.jpg 
13275

Nearby Accessions


Other accessions in the database collected near this one:

Accession Name Dist., dir.
04980 Astragalus ampullarioides     1.4 mi. SE
04981 Astragalus ampullarioides     1.7 mi. SE
04983 Bromus rubens      "red brome" 1.7 mi. SE
02634 Camissonia       "suncup" 1012 ft. N
04992 Cryptantha barbigera      "bearded forget-me-not" 1.7 mi. SE
02633 Eriogonum       "buckwheat" 1771 ft. NW
04987 Eschscholzia glyptosperma      "desert poppy" 1.7 mi. SE
06212 Grayia spinosa      "spiny hopsage" same section
06211 Microsteris gracilis      "slender phlox" same section
04973 Oenothera primiveris      "desert evening primrose" 1.7 mi. SE
04977 Phacelia ambigua      "notch-leaf scorpionweed" 1.7 mi. SE
04974 Phacelia crenulata      "notch-leaf scorpionweed" 1.7 mi. SE
04975 Schismus arabicus      "Arabian grass" 1.7 mi. SE
04990 Schismus barbatus      "Mediterranean grass" 1.7 mi. SE
04991 Silene antirrhina      "sleepy silene" 1.7 mi. SE
04984 Streptanthella longirostris      "long-beaked streptanthella" 1.7 mi. SE
04979 Syntrichopappus fremontii      "Fremont's gold" 1.7 mi. SE
04982 Xylorhiza tortifolia  var. tortifolia   "Mojave woody aster" 1.7 mi. SE

Locale


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Black Knolls (Summit) Washington County, UT 2302 ft. W 3327  Washington 
Sait George City Dam (Dam) Washington County, UT 0.7 mi. NW 3484  Washington 
Black Knolls Reservoir (Reservoir) Washington County, UT 0.7 mi. NW 3484  Washington 
Santa Clara Reservoir (Reservoir) Washington County, UT 1.4 mi. S 3176  Washington 
Santa Clara Dam (Dam) Washington County, UT 1.4 mi. S 3176  Washington 
T-Bone Hill (Summit) Washington County, UT 1.2 mi. SW 3402  Washington 
Middleton Black Ridge (Ridge) Washington County, UT 1.6 mi. S 3114  Washington 
Grace Baptist Church (Church) Washington County, UT 1.5 mi. SE 3051  Washington 
Green Spring (Spring) Washington County, UT 1.8 mi. SE 2884  Washington 
Saint George RV Campground (Locale) Washington County, UT 2.1 mi. SE 2868  Saint George 
East Valley (Valley) Washington County, UT 2.3 mi. N   Washington 
Middleton (Populated Place) Washington County, UT 2.2 mi. SE 2841  Saint George 
Valley View Trailer Park (Populated Place) Washington County, UT 2.1 mi. SE 2858  Saint George 
Red Hills (Summit) Washington County, UT 2.3 mi. S 3140  Saint George 
East Saint George Springs (Spring) Washington County, UT 2.4 mi. S 2877  Saint George 
Trinity Lutheran Church of Southern Utah (Church) Washington County, UT 2.3 mi. SE 2822  Saint George 
KZEZ-FM (St George) (Tower) Washington County, UT 2.5 mi. S 3045  Saint George 
Skyline Shopping Center (Locale) Washington County, UT 2.6 mi. S 2871  Saint George 
Sugarloaf (Summit) Washington County, UT 2.6 mi. SW 3068  Saint George 
Hillside Palms RV Park (Park) Washington County, UT 2.7 mi. S 2812  Saint George 

Links

Taxon Links for species Prenanthella exigua  (A. Gray) Rydb.

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:
http://herbarium.UVU.edu/virtual/search.asp?taxon=Prenanthella+exigua

Zooming out might reveal more collections in other states.

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