Utah Valley University Herbarium


Accession # 09527 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Hymenoxys richardsonii (Hook.) Cockerell
Infraspecific    var. richardsonii 
Common name   Richardson's rubberweed
R.L. Johnson   4040  
Coll. Date 15 July 2004 
United States
Garfield County
Locality Aquarius Plateau, near Dog Lake, on Loa-Escalante road.
     Elev.: 9588 ft. (2923 m.)
Habitat Notes black sage, mixed forb, grass 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° 7'  24" N, 111° 41'  15" W
Datum Not recorded
Uncertainty Not calculated


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

     Hymenoxys richardsonii var. richardsonii (Hook.) Cockerell

     Actinea richardsonii (Hook.) Kuntze
     Picradenia richardsonii Hook.

Common Name(s): Colorado rubberweed, pingue hymenoxys, pingue rubberweed.

Taxonomic Hierarchy: (ITIS TSN=528537, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Hymenoxys
                                        Species: Hymenoxys richardsonii
                                            Variety: Hymenoxys richardsonii var. richardsonii


Available images of this specimen (click to view):
specimen image: 09527s2.jpg

Images of other samples of the same species:
specimen image: 00707s2.jpg 
specimen image: 00933s2.jpg 
specimen image: 00934s2.jpg 
specimen image: 03264s2.jpg 
specimen image: 04056s2.jpg 
specimen image: 05377s2.jpg 
specimen image: 06119s2.jpg 
specimen image: 06563s2.jpg 
specimen image: 07229s2.jpg 
specimen image: 07652s2.jpg 
specimen image: 08874s2.jpg 
specimen image: 08893s2.jpg 
specimen image: 09605s2.jpg 
specimen image: 11884d1.jpg 
specimen image: 11884s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11882 Chaenactis douglasii  var. douglasii   "Douglas' dusty-maiden" 2967 ft. S
11886 Erigeron flagellaris      "trailing fleabane" 2967 ft. S
11884 Hymenoxys richardsonii  var. floribunda   "Colorado rubberweed" 2967 ft. S
13238 Lupinus sericeus  var. barbiger   "bearded silky lupine" 2967 ft. S
11885 Lupinus sericeus  var. barbiger   "bearded silky lupine" 2967 ft. S
11883 Machaeranthera canescens      "gray tansy aster" 2967 ft. S
09528 Penstemon parvus      "Aquarius Plateau beardtongue" 1.4 mi. NW
11881 Potentilla hippiana      "woolly cinquefoil" 2967 ft. S
11887 Senecio eremophilus  var. kingii   "King's ragwort" 2967 ft. S


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Timbered Knoll (Summit) Garfield County, UT 0.9 mi. N 9787  Smooth Knoll 
Allen Well (Well) Garfield County, UT 1.7 mi. W 9292  Big Lake 
Allen Well Draw (Valley) Garfield County, UT 1.7 mi. W   Big Lake 
Smooth Knoll Reservoir (Reservoir) Wayne County, UT 2.4 mi. N 9184  Smooth Knoll 
Rock Lake (Lake) Garfield County, UT 2.2 mi. NE 9495  Smooth Knoll 
Big Lake (Lake) Garfield County, UT 3 mi. S 9882  Big Lake 
Pelham Hollow Reservoir (Reservoir) Garfield County, UT 2.6 mi. W 9141  Smooth Knoll 
Smooth Knoll (Summit) Wayne County, UT 3.4 mi. N 9394  Smooth Knoll 
Pelham Lake (Lake) Garfield County, UT 3 mi. SW 9682  Big Lake 
Pelham Knoll (Summit) Garfield County, UT 3.2 mi. SW 9764  Big Lake 
Rock Spring (Spring) Garfield County, UT 3.4 mi. SE 9403  Big Lake 
Mitts Reservoir (Reservoir) Wayne County, UT 4.1 mi. N 8901  Smooth Knoll 
Rock Spring Draw (Valley) Garfield County, UT 3.5 mi. SE   Big Lake 
Sage Hen Draw (Valley) Garfield County, UT 4 mi. N   Smooth Knoll 
Blackburn Reservoir (Reservoir) Wayne County, UT 4.1 mi. NE 8987  Smooth Knoll 
Hare Valley (Basin) Wayne County, UT 3.9 mi. NW 8898  Smooth Knoll 
Pelham Hollow (Valley) Garfield County, UT 3.9 mi. NW   Big Lake 
Butterfly Lake (Lake) Garfield County, UT 3.9 mi. SW 9725  Big Lake 
Peterson Grove (Woods) Garfield County, UT 3.7 mi. E 9426  Government Point 
Antelope Spring Draw (Valley) Wayne County, UT 4.1 mi. NW   Big Lake 


Taxon Links for species Hymenoxys richardsonii  (Hook.) Cockerell

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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