Utah Valley University Herbarium


Accession # 15033 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Larrea tridentata (DC.) Coville
Common name   creosote bush
Kenna Mikesell   41  
Coll. Date 01 September 2007 
United States
Pima County
Locality Oro Valley, 80 yards S of Breezy Pine Court;
     Elev.: 2722 ft. (830 m.)
Habitat Notes in a wash; with Cercidium, Carnegia. 
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 32° 24'  38.45" N, 110° 59'  19.4" 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):

     Larrea tridentata (Sessé & Moc. ex DC.) Coville

     Larrea mexicana Moric.

Common Name(s): creosote bush, creosotebush.

Taxonomic Hierarchy: (ITIS TSN=29051, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Sapindales
                                Family: Zygophyllaceae
                                    Genus: Larrea
                                        Species: Larrea tridentata


Images of other samples of the same species:
specimen image: 00154s1.jpg 
specimen image: 02548s1.jpg 
specimen image: 02660s1.jpg 
specimen image: 02894s1.jpg 
specimen image: 02967s1.jpg 
specimen image: 03630s1.jpg 
specimen image: 04044s1.jpg 
specimen image: 04230s1.jpg 
specimen image: 08176s1.jpg 
specimen image: 08307s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
15032 Acacia smallii     44 ft. NW
15039 Agave parryi  var. parryi   "Parry's century plant" 157 ft. N
15038 Aloe vera      "Barbados aloe" 357 ft. N
15036 Baccharis sarothroides      "desertbroom" 501 ft. N
15035 Chilopsis linearis      "desert willow" 44 ft. NW
15043 Cylindropuntia bigelovii      "teddybear cholla" 317 ft. N
15042 Cylindropuntia fulgida      "jumping cholla" 251 ft. N
15041 Cylindropuntia spinosior      "walkingstick cactus" 218 ft. N
15040 Fouquieria splendens      "ocotillo" 167 ft. NE
15046 Opuntia engelmannii  var. linguiformis   "cactus apple" 422 ft. N
15045 Opuntia microdasys      "angel's-wings" 317 ft. N
15044 Opuntia phaeacantha      "tulip pricklypear" 317 ft. N
15034 Prosopis chilensis      "algarrobo" 44 ft. NW
15037 Yucca aloifolia      "aloe-leaf yucca" 442 ft. N


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
El Conquistador Country Club (Locale) Pima County, AZ 1 mi. SW 2664  Ruelas Canyon 
Oro Valley Country Club Golf Course (Locale) Pima County, AZ 1.7 mi. SE 2507  Oro Valley 
Tortolita (Populated Place) Pima County, AZ 1.7 mi. W 2690  Ruelas Canyon 
Oro Valley (Populated Place) Pima County, AZ 1.9 mi. SE 2543  Oro Valley 
El Conquistador Golf Course (Locale) Pima County, AZ 2.2 mi. SE 2635  Oro Valley 
Honey Bee Canyon (Valley) Pima County, AZ 2.3 mi. NE   Oro Valley 
Bonnie Brae Ranch (Locale) Pima County, AZ 2.5 mi. SW 2431  Ruelas Canyon 
Steam Pump Ranch (Locale) Pima County, AZ 2.2 mi. E 2592  Oro Valley 
Sausaulito Creek (Stream) Pima County, AZ 2.3 mi. NE   Tortolita Mountains 
La Cholla Airpark (Airport) Pima County, AZ 2.6 mi. N 2907  Ruelas Canyon 
Dennis Weaver Park (Park) Pima County, AZ 2.7 mi. SE 2654  Oro Valley 
Canyon del Oro High School (School) Pima County, AZ 2.7 mi. S 2602  Tucson North 
Catchment canyon (Valley) Pima County, AZ 2.5 mi. E   Oro Valley 
Palo Ferro Ranch (Locale) Pima County, AZ 2.5 mi. W 2625  Ruelas Canyon 
Horizon Heliport (Airport) Pima County, AZ 2.7 mi. E 2622  Oro Valley 
Big Wash (Stream) Pima County, AZ 2.7 mi. E   Oracle 
Sunnyslope Terrace Plaza Shopping Center (Locale) Pima County, AZ 3.3 mi. S 2622  Tucson North 
Cañada Agua (Valley) Pima County, AZ 3.6 mi. N   Ruelas Canyon 
Tucson National Golf Course (Locale) Pima County, AZ 3.9 mi. SW 2336  Jaynes 
Chalk Creek (Stream) Pima County, AZ 3.8 mi. NE   Oracle Junction 


Taxon Links for species Larrea tridentata  (DC.) Coville

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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