Utah Valley University Herbarium


Accession # 10909 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Centaurea virgata Lam.
Infraspecific    var. squarrosa (Willd.) Boiss.
Common name   squarrose knapweed
D.W. Woodruff   2005-79  
Coll. Date 10 July 2005 
United States
Millard County
Locality House Range, Marjum Pass, near Notch Peak Loop road.
Habitat Notes in sub-channel of wash. 
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° 14'  23.4" N, 113° 23'  42.5" W
Datum Not recorded
Uncertainty Not calculated


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

     Centaurea triumfettii All.

     Centaurea squarrosa Willd.
     Centaurea virgata Lam.
     Centaurea virgata var. squarrosa (Willd.) Boiss.

Common Name(s): squarrose knapweed, squarrose knapweed, squarrose knapweed, squarrose knapweed.

Taxonomic Hierarchy: (ITIS TSN=501352, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Centaurea
                                        Species: Centaurea triumfettii


Available images of this specimen (click to view):
specimen image: 10909s2.jpg

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11846 Asclepias hallii      "Hall's milkweed" 1 mi. W
11065 Cryptantha torreyana      "Torrey's forget-me-not" 1.9 mi. N
16798 Gaura parviflora     1.5 mi. SW
11847 Gaura parviflora     1.5 mi. SW
11064 Gilia transmontana      "transmontane gilia" 1.9 mi. N
11845 Grindelia squarrosa  var. serrulata   "curlycup gumweed" 1 mi. W
11063 Lomatium grayi  var. depauperatum   "stunted biscuitroot" 1.9 mi. N
10908 Perityle stansburyi      "Stansbury's rockdaisy" 56 ft. SW
11848 Petradoria pumila  var. pumila   "common rock goldenrod" 1.5 mi. SW
11066 Phacelia incana      "hoary scorpionweed" 1.9 mi. N
10907 Potentilla biennis      "biennial cinquefoil" 56 ft. SW
11844 Verbena bracteata      "bigbract verbena" 1 mi. W


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Antelope Mountain (Summit) Millard County, UT 2970 ft. N 6703  Notch Peak 
The Hermits Cabin (Locale) Millard County, UT 0.7 mi. NW 5571  Notch Peak 
Bird Canyon (Valley) Millard County, UT 0.7 mi. E   Notch Peak 
House Range (Range) Millard County, UT 1.6 mi. S 6946  Notch Peak 
Marjum Canyon (Valley) Millard County, UT 1.4 mi. W   Marjum Pass 
Brown Queen Mine (Mine) Millard County, UT 2 mi. S 7139  Notch Peak 
Marjum Pass (Gap) Millard County, UT 2.1 mi. NE 6273  Marjum Pass 
Middle Range (Range) Millard County, UT 3.2 mi. N 7579  Swasey Peak SW 
Baldy (Summit) Millard County, UT 3.4 mi. S 8488  Notch Peak 
Amasa Valley (Valley) Millard County, UT 4 mi. S   Notch Peak 
Orr Ridge (Ridge) Millard County, UT 4.2 mi. SE 8163  Miller Cove 
North Canyon (Valley) Millard County, UT 3.8 mi. SE   Notch Peak 
Painter Spring (Spring) Millard County, UT 4.5 mi. SW 5574  Notch Peak 
Pine Peak (Summit) Millard County, UT 5.1 mi. S 9216  Notch Peak 
Water Canyon (Valley) Millard County, UT 5.2 mi. S   Notch Peak 
Howell Peak (Summit) Millard County, UT 5.2 mi. N 8209  Marjum Pass 
Contact Canyon (Valley) Millard County, UT 5.3 mi. S   Notch Peak 
Klondike Mine (Mine) Millard County, UT 5.4 mi. S 7064  Miller Cove 
Side Canyon (Valley) Millard County, UT 5.5 mi. S   Miller Cove 


Taxon Links for species Centaurea virgata  Lam.

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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