Utah Valley University Herbarium


Accession # 08762 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Agrostis exarata Trin.
Common name   spike bentgrass
K.T. Harper   2003-237  
   with Donna M. Barnes, R. Jolley
Coll. Date 19 August 2003 
United States
Summit County
Locality N slope of the Uinta Mts, east fork of Black Fork River, Meeks cabin.
     Elev.: 9361 ft. (2854 m.)
Habitat Notes lodgepole pine meadow. 
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 40° 53'  7" N, 110° 32'  15" W
Datum Not recorded
Uncertainty Not calculated


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

     Agrostis exarata Trin.

     Agrostis aenea Trin.
     Agrostis alaskana HultÚn
     Agrostis ampla A.S. Hitchc.
     Agrostis asperifolia Trin.
     Agrostis exarata ssp. minor (Hook.) C.L. Hitchc.
     Agrostis exarata var. minor Hook.
     Agrostis exarata var. monolepis (Torr.) A.S. Hitchc.
     Agrostis exarata var. pacifica Vasey
     Agrostis exarata var. purpurascens HultÚn
     Agrostis longiligula A.S. Hitchc.
     Agrostis longiligula var. australis J.T. Howell
     Agrostis melaleuca (Trin.) A.S. Hitchc.
     Agrostis microphylla var. major Vasey

Common Name(s): spike bentgrass.

Taxonomic Hierarchy: (ITIS TSN=40412, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Liliopsida
                        Subclass: Commelinidae
                            Order: Cyperales
                                Family: Poaceae
                                    Genus: Agrostis
                                        Species: Agrostis exarata


Available images of this specimen (click to view):
specimen image: 08762s1.jpg

Images of other samples of the same species:
specimen image: 00865s1.jpg 
specimen image: 01346s1.jpg 
specimen image: 04409s1.jpg 
specimen image: 04468s1.jpg 
specimen image: 04603s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
08767 Achnatherum lettermanii      "Letterman's needlegrass" same section
05476 Agrostis scabra      "ticklegrass" 2407 ft. SW
08758 Arnica latifolia      "broad-leaf arnica" same section
08757 Arnica longifolia      "spearleaf arnica" same section
05478 Calamagrostis canadensis  var. canadensis   "bluejoint" 2407 ft. SW
05518 Chenopodium fremontii  var. incanum  2407 ft. SW
05519 Chrysothamnus viscidiflorus  var. lanceolatus   "spear-leaf yellow rabbitbrush" 2407 ft. SW
09397 Cladonia cariosa      "cup lichen" same section
09396 Cladonia fimbriata      "cup lichen" same section
05474 Danthonia intermedia      "timber oatgrass" 2407 ft. SW
05520 Eriogonum umbellatum  var. umbellatum   "sulphur-flowered wild buckwheat" 2407 ft. SW
08759 Galium boreale      "northern bedstraw" same section
08756 Gentiana affinis      "pleated gentian" same section
08766 Koeleria macrantha      "prairie Junegrass" same section
05473 Ligusticum tenuifolium      "Idaho licorice-root" 2407 ft. SW
09398 Peltigera praetextata      "felt lichen" same section
08765 Poa alpina      "alpine bluegrass" same section
05475 Poa nervosa  var. wheeleri   "Wheeler's bluegrass" 2407 ft. SW
05471 Potentilla diversifolia  var. diversifolia   "diverse-leaf cinquefoil" 2407 ft. SW
05479 Pyrola chlorantha      "green-flowered wintergreen" 2407 ft. SW
08761 Schedonorus pratensis      "meadow fescue" same section
08764 Sedum rhodanthum     same section
08763 Spiranthes romanzoffiana  var. romanzoffiana   "hooded ladies tresses" same section
05470 Spiranthes romanzoffiana  var. romanzoffiana   "hooded ladies tresses" 2407 ft. SW
08760 Symphyotrichum foliaceum  var. parryi   "Parry's aster" same section
05477 Trisetum wolfii      "Wolf's oat-grass" 2407 ft. SW
05472 Veronica wormskjoldii      "American alpine speedwell" 2407 ft. SW


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
East Fork Blacks Fork Guard Station (Locale) Summit County, UT 2045 ft. SW 9311  Lyman Lake 
Bear River Smiths Fork Trail (Trail) Summit County, UT 0.8 mi. NW 9502  Lyman Lake 
Little East Fork (Stream) Summit County, UT 1.2 mi. S   Mount Lovenia 
Duck Lake (Lake) Summit County, UT 1.8 mi. N 9187  Lyman Lake 
Steel Creek Park (Park) Summit County, UT 2.3 mi. NE 10076  Lyman Lake 
Mansfield Meadows (Flat) Summit County, UT 2.2 mi. E 10227  Bridger Lake 
Bald Mountain (Summit) Summit County, UT 2.3 mi. SE 11756  Mount Lovenia 
Bald Lake (Lake) Summit County, UT 2.7 mi. SE 11047  Mount Powell 
High Line Trail (Trail) Summit County, UT 3.4 mi. E 10434  Bridger Lake 
Middle Fork Blacks Fork (Stream) Summit County, UT 4.6 mi. N   Red Knob 
Brush Creek (Stream) Summit County, UT 4.6 mi. NW   Red Knob 
West Fork Blacks Fork (Stream) Summit County, UT 5.2 mi. N   Explorer Peak 
East Fork Blacks Fork (Stream) Summit County, UT 5.2 mi. N   Mount Lovenia 
Steel Creek Commissary Ruins (Locale) Summit County, UT 5.4 mi. N 9561  Bridger Lake 
Hewinta Guard Station (Locale) Summit County, UT 5.3 mi. NE 9492  Bridger Lake 
Organization Camp Recreation Site (Park) Summit County, UT 5.4 mi. NW 9334  Lyman Lake 
Little Lyman Lake Campground (Locale) Summit County, UT 5.3 mi. NW 9289  Lyman Lake 
Little Lyman Lake (Reservoir) Summit County, UT 5.3 mi. NW 9285  Lyman Lake 
Lyman Lake (Reservoir) Summit County, UT 5.4 mi. NW 9318  Lyman Lake 
Steel Creek (Stream) Summit County, UT 6.1 mi. NE   Lyman Lake 


Taxon Links for species Agrostis exarata  Trin.

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