Utah Valley University Herbarium


Accession # 15938 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Epilobium saximontanum Hausskn.
Common name   Rocky Mountain willowherb
S. Hegji   155  
Coll. Date 16 July 2011 
United States
Tooele County
Locality Sheeprock Mountains, upper half of Harker Canyon;
     Elev.: 7738 ft. (2359 m.)
Habitat Notes streamside. 
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 39° 58'  31.37" N, 112° 30'  24.73" 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.


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

     Epilobium saximontanum Hausskn.

     Epilobium drummondii Hausskn.
     Epilobium glandulosum var. brionense Fern.
     Epilobium scalare Fern.
     Epilobium steckerianum Fern.

Common Name(s): Rocky Mountain willowherb, Rocky Mountain willowweed.

Taxonomic Hierarchy: (ITIS TSN=27323, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Myrtales
                                Family: Onagraceae
                                    Genus: Epilobium
                                        Species: Epilobium saximontanum


Available images of this specimen (click to view):
specimen image: 15938a1.jpg specimen image: 15938s1.jpg

Images of other samples of the same species:
specimen image: 13004s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
15925 Aconitum columbianum      "western monkshood" same section
15931 Allium acuminatum      "taper-tip wild onion" 1964 ft. E
15934 Anaphalis margaritacea      "western pearly everlasting" 1638 ft. E
15926 Aquilegia formosa      "western columbine" same section
15928 Arenaria lanuginosa      "spreading sandwort" same section
18082 Aster ascendens      "western aster" same section
15911 Balsamorhiza sagittata      "arrow-leaf balsamroot" 1.1 mi. W
15946 Chrysothamnus nauseosus  var. hololeucus   "gray-stem rubber rabbitbrush" same section
15936 Crepis acuminata      "tapertip hawksbeard" 1404 ft. E
18086 Equisetum laevigatum      "smooth horsetail" same section
15935 Erigeron eatonii      "Eaton's fleabane" 1545 ft. E
15939 Erigeron speciosus  var. macranthus   "aspen fleabane" 295 ft. NW
15937 Eriogonum racemosum      "redroot wild buckwheat" 1076 ft. E
15932 Helianthella uniflora      "one-flowered little sunflower" 1949 ft. E
18081 Helianthus annuus      "common sunflower" same section
15929 Hymenoxys acaulis  var. caespitosa   "caespitose four-nerve daisy" 2738 ft. E
15909 Lithophragma glabrum      "bulbous woodland-star" 1.1 mi. W
15910 Lithophragma parviflorum      "small-flowered woodland-star" 1.1 mi. W
18084 Marchantia polymorpha     same section
15945 Mentha arvensis      "wild mint" same section
15927 Mimulus guttatus      "common monkeyflower" same section
15933 Quercus       "oak" 1937 ft. E
18083 Ranunculus cymbalaria      "alkali buttercup" same section
18085 Salix eriocephala  var. watsonii  same section
15930 Sedum lanceolatum      "spearleaf stonecrop" 2730 ft. E
15924 Sidalcea oregana      "Oregon checkerbloom" 1.3 mi. W
15908 Viola nuttallii      "Nuttall's violet" 1.1 mi. W


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Hilltop Mine (Mine) Tooele County, UT 1.1 mi. W 8816  Erickson Knoll 
Lion Hill Spring (Spring) Tooele County, UT 1.6 mi. N 6716  Erickson Knoll 
Lion Hill (Summit) Tooele County, UT 1.7 mi. N 6890  Erickson Knoll 
Upper Pine Grove (Woods) Tooele County, UT 1.5 mi. SW 8140  Erickson Knoll 
Lower Pine Grove (Woods) Tooele County, UT 1.7 mi. SW 7740  Erickson Knoll 
Dutch Peak (Summit) Tooele County, UT 2 mi. SE 8816  Dutch Peak 
Black Crook Peak (Summit) Tooele County, UT 1.9 mi. W 9161  Erickson Knoll 
Black Peak (Summit) Tooele County, UT 2.2 mi. SE 8882  Dutch Peak 
Left Fork South Oak Brush Canyon (Valley) Tooele County, UT 1.9 mi. W   Erickson Knoll 
Right Fork South Oak Brush Canyon (Valley) Tooele County, UT 1.9 mi. W   Erickson Knoll 
North Pine Canyon (Valley) Tooele County, UT 2.5 mi. N   Erickson Knoll 
Harker Canyon (Valley) Tooele County, UT 2.1 mi. NE   Erickson Knoll 
Rock Canyon (Valley) Tooele County, UT 2.6 mi. N   Erickson Knoll 
Cottonwood Canyon (Valley) Tooele County, UT 2.7 mi. SW   Erickson Knoll 
Sheeprock Mountains (Range) Tooele County, UT 2.5 mi. SE 8114  Dutch Peak 
Greens Ridge (Ridge) Tooele County, UT 2.8 mi. SE 8327  Dutch Peak 
Stepladder Trough (Flat) Tooele County, UT 3.4 mi. N 6086  Lookout Pass 
Hard to Beat Canyon (Valley) Tooele County, UT 3.4 mi. S   Dutch Peak 
Sheeprock Canyon (Valley) Tooele County, UT 3.5 mi. S   Dutch Peak 
Talawag Canyon (Valley) Tooele County, UT 3.3 mi. N   Lookout Pass 


Taxon Links for species Epilobium saximontanum  Hausskn.

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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