Utah Valley University Herbarium


Accession # 17810 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Ostrya knowltonii Sarg.
Common name   Knowlton's hophornbeam
R. Van Buren   1679  
   with J. Cooper
Coll. Date 26 July 2007 
United States
Grand County
Locality Colorado River, Utah Highway 128, 1.5 miles from the junction with U.S. Highway 191;
     Elev.: 3930 ft. (1198 m.)
Latitude Longitude 38° 36'  45.9" N, 109° 33'  10.02" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): GPS
Georef. Notes This coordinate was obtained by a GPS unit and an error estimate was not recorded by the user. However due to the accuracy of most units, a polygon diameter between 25 and 250 meters could reasonably be assumed.
Voucher Voucher for "Woody Plants of Utah" by R. Van Buren, K.T. Harper, J. Cooper 
Specimen Notes Journal Code: L4S1. 


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

     Ostrya knowltonii Coville

Common Name(s): knowlton hophornbeam, Knowlton hop-hornbeam, Knowlton's hophornbeam.

Taxonomic Hierarchy: (ITIS TSN=19510, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Hamamelidae
                            Order: Fagales
                                Family: Betulaceae
                                    Genus: Ostrya
                                        Species: Ostrya knowltonii


Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
17804 Atriplex garrettii      "Garrett's saltbush" 1.6 mi. E
17807 Brickellia microphylla  var. scabra   "rough brickellbush" 1.1 mi. SE
17801 Brickellia microphylla  var. scabra   "rough brickellbush" 1.6 mi. E
17808 Chrysopsis villosa  var. minor   "hairy goldenaster" 1.1 mi. SE
17802 Ericameria nauseosa  var. juncea  1.6 mi. E
17800 Ericameria nauseosa  var. leiosperma   "smooth-seed rubber rabbitbrush" 1.6 mi. E
17803 Eriogonum corymbosum  var. orbiculatum   "round-leaf wild buckwheat" 1.6 mi. E
17798 Eriogonum microthecum      "slender wild buckwheat" 1.6 mi. E
17797 Fendlera rupicola      "cliff fendlerbush" 1.6 mi. E
17817 Perityle specuicola      "alcove rockdaisy" 247 ft. SW
17811 Philadelphus microphyllus      "little-leaf mock orange" same section
17809 Stephanomeria tenuifolia      "narrow-leaf wirelettuce" 1.1 mi. SE
17806 Suaeda       "seepweed" 1.6 mi. E
17799 Symphoricarpos longiflorus      "long-flowered snowberry" 1.6 mi. E
17805 Tiquilia latior      "matted crinklemat" 1.6 mi. E


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Updraft Arch (Arch) Grand County, UT 0.9 mi. S 4610  Moab 
Huntress Arch (Arch) Grand County, UT 0.9 mi. SE 4439  Moab 
Negro Bill Canyon (Valley) Grand County, UT 1.1 mi. E   Warner Lake 
Matrimony Spring (Spring) Grand County, UT 1.2 mi. SW 3960  Moab 
Lions Park (Park) Grand County, UT 1.4 mi. SW 3977  Moab 
KKLX-FM (Moab) (Tower) Grand County, UT 1.8 mi. S 4269  Moab 
Slickrock Country Camp (Park) Grand County, UT 1.5 mi. SW 3980  Moab 
KURA-AM (Moab) (Tower) Grand County, UT 2 mi. S 3993  Moab 
Courthouse Wash (Valley) Grand County, UT 1.6 mi. W   Merrimac Butte 
Community Baptist Church (Church) Grand County, UT 2.1 mi. S 4029  Moab 
Saint Pius X Catholic Church (Church) Grand County, UT 2.3 mi. S 4029  Moab 
Grace Lutheran Church (Church) Grand County, UT 2.3 mi. S 4000  Moab 
The Church of Jesus Christ of Latter Day Saints (Church) Grand County, UT 2.4 mi. S 3996  Moab 
Allen Memorial Hospital (Hospital) Grand County, UT 2.4 mi. S 3986  Moab 
Moab Canyon (Valley) Grand County, UT 2 mi. W   Merrimac Butte 
Moab Post Office (Post Office) Grand County, UT 2.6 mi. S 4042  Moab 
Moab Valley (Bend) Grand County, UT 2.6 mi. S 3986  Moab 
Atlas Mineral Plant (Locale) Grand County, UT 2.1 mi. W 4429  Moab 
Seventh Day Adventist Church (Church) Grand County, UT 2.6 mi. S 4065  Moab 
Seventh Day Adventist School (School) Grand County, UT 2.6 mi. S 4068  Moab 


Taxon Links for species Ostrya knowltonii  Sarg.

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