Utah Valley University Herbarium


Accession # 06642 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Achnatherum nelsonii (Scribn.) Barkworth
Infraspecific    subsp. nelsonii 
Common name   Nelson's needlegrass
J.G. Harris   2649  
Coll. Date 19 July 1994 
United States
Locality La Sal Mountains, near Warner Lake Campground.
     Elev.: 9381 ft. (2860 m.)
Habitat Notes aspen-fir 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 38° 31'  11" N, 109° 16'  30" W
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)


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

     Achnatherum nelsonii ssp. nelsonii (Scribn.) Barkworth

     Stipa columbiana var. nelsonii (Scribn.) St. John
     Stipa nelsonii Scribn.
     Stipa occidentalis var. nelsonii (Scribn.) C.L. Hitchc.
     Stipa williamsii Scribn.

Common Name(s): Columbia needlegrass, Nelson needlegrass.

Taxonomic Hierarchy: (ITIS TSN=525107, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Commelinidae
                            Order: Cyperales
                                Family: Poaceae
                                    Genus: Achnatherum
                                        Species: Achnatherum nelsonii
                                            Subspecies: Achnatherum nelsonii ssp. nelsonii


Available images of this specimen (click to view):
specimen image: 06642s1.jpg

Images of other samples of the same species:
specimen image: 00651s1.jpg 
specimen image: 00689s1.jpg 
specimen image: 05247s1.jpg 
specimen image: 07523s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
06634 Achillea millefolium  subsp. lanulosa   "western yarrow" same section
04516 Actaea rubra      "red baneberry" 1.3 mi. S
04456 Artemisia nova      "black sagebrush" 1.3 mi. S
04449 Cardamine cordifolia  var. cordifolia   "heart-leaf bittercress" 1.3 mi. S
06640 Carex egglestonii      "Eggleston's sedge" same section
04517 Chenopodium fremontii      "Fremont's goosefoot" 1.3 mi. S
06637 Collomia linearis      "tiny trumpet" same section
06639 Elymus trachycaulus  subsp. trachycaulus   "slender wheatgrass" same section
04453 Equisetum arvense      "field horsetail" 1.3 mi. S
06636 Erigeron speciosus      "aspen fleabane" 2623 ft. SW
04527 Galium triflorum      "fragrant bedstraw" 1.3 mi. S
04470 Koeleria macrantha      "prairie Junegrass" 1.3 mi. S
06635 Lupinus argenteus  var. fulvomaculatus   "spotted silvery lupine" same section
04472 Mentha arvensis      "wild mint" 1.3 mi. S
04464 Mertensia ciliata      "mountain bluebells" 1.3 mi. S
06633 Mirabilis multiflora      "Colorado four o'clock" same section
04448 Phacelia heterophylla      "variable-leaf scorpionweed" 1.3 mi. S
04452 Platanthera huronensis      "northern green orchid" 1.3 mi. S
04451 Poa annua      "annual bluegrass" 1.3 mi. S
06641 Poa arctica  subsp. arctica   "arctic bluegrass" same section
06638 Potentilla gracilis  var. fastigiata   "slender cinquefoil" 2623 ft. SW
04446 Ribes leptanthum      "trumpet gooseberry" 1.3 mi. S
04471 Saxifraga odontoloma      "brook saxifrage" 1.3 mi. S
04450 Senecio eremophilus      "desert ragwort" 1.3 mi. S
04454 Sidalcea candida      "white checkerbloom" 1.3 mi. S
04447 Solidago parryi      "Parry's goldenrod" 1.3 mi. S
04445 Streptopus amplexifolius  var. chalazatus   "clasping-leaf twisted-stalk" 1.3 mi. S
04476 Veronica americana      "American speedwell" 1.3 mi. S


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Warner Ranger Station (Locale) Grand County, UT 107 ft. NE 9410  Warner Lake 
Warner Campground (Locale) Grand County, UT 466 ft. SW 9387  Warner Lake 
Warner Lake (Reservoir) Grand County, UT 725 ft. S 9377  Warner Lake 
Wilcox Flat (Flat) Grand County, UT 2870 ft. NW 9354  Warner Lake 
Gold Knob (Summit) Grand County, UT 0.8 mi. N 10985  Warner Lake 
Oowah Campground (Locale) Grand County, UT 1.2 mi. S 8806  Warner Lake 
Lake Oowah Dam (Dam) Grand County, UT 1.2 mi. S 8793  Warner Lake 
Lake Oowah (Reservoir) Grand County, UT 1.2 mi. S 8793  Warner Lake 
Boren Mesa (Summit) Grand County, UT 1.4 mi. S 9180  Warner Lake 
Shuman Gulch (Valley) Grand County, UT 1.2 mi. SW   Warner Lake 
Wet Fork Mill Creek (Stream) Grand County, UT 1.3 mi. SE   Mount Waas 
Dry Fork Mill Creek (Stream) Grand County, UT 1.4 mi. SE   Mount Waas 
Miners Basin (Valley) Grand County, UT 1.8 mi. N   Warner Lake 
Miners Basin (Basin) Grand County, UT 1.8 mi. NE 9958  Warner Lake 
Cold Spring (Spring) Grand County, UT 1.9 mi. N 8098  Warner Lake 
Clark Lake (Lake) San Juan County, UT 2 mi. S 9403  Mount Tukuhnikivatz 
Mill Creek Canyon Overlook (Locale) Grand County, UT 1.8 mi. SW 7960  Warner Lake 
Haystack Mountain (Summit) San Juan County, UT 2.1 mi. SE 11621  Mount Peale 
Mason Spring (Spring) Grand County, UT 2.2 mi. NW 8317  Warner Lake 
Mill Creek Bridge (Bridge) San Juan County, UT 2.2 mi. SW 7697  Mount Tukuhnikivatz 


Taxon Links for species Achnatherum nelsonii  (Scribn.) Barkworth

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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