Utah Valley University Herbarium


Accession # 12283 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Petrophytum caespitosum (Nutt.) Rydb.
Common name   rockmat
J.G. Harris   4320  
Coll. Date 24 July 2006 
United States
Utah County
Locality Wasatch Mountains, 2.6 km due NNE of Provo Peak.
     Elev.: 9689 ft. (2954 m.)
Habitat Notes quartzite cliffs, crevices, scree, alpine tundra. 
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 40° 15'  58" N, 111° 32'  45" 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.


No synonyms recognized in the ITIS database.


Available images of this specimen (click to view):
specimen image: 12283s1.jpg specimen image: 12283a1.jpg specimen image: 12283b1.jpg

Images of other samples of the same species:
specimen image: 04180s1.jpg 
specimen image: 04380s1.jpg 
specimen image: 04615s1.jpg 
specimen image: 05010s1.jpg 
specimen image: 07798s1.jpg 
specimen image: 08637s1.jpg 
specimen image: 11665d1.jpg 
specimen image: 11665s1.jpg 
specimen image: 12341s2.jpg 
specimen image: 12341a1.jpg 
specimen image: 12341b1.jpg 
specimen image: 12341c1.jpg 
specimen image: 12566s2.jpg 
specimen image: 15944b1.jpg 
specimen image: 15944c1.jpg 
specimen image: 15944d1.jpg 
specimen image: 15944s1.jpg 
specimen image: 15944a1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
01908 Achillea millefolium  subsp. lanulosa   "western yarrow" 1.6 mi. S
12266 Anemone multifida  var. tetonensis   "Teton windflower" same section
01919 Antennaria microphylla      "little-leaf pussytoes" 1.6 mi. S
00065 Aquilegia caerulea  var. ochroleuca   "Colorado columbine" 1 mi. NE
12263 Aquilegia coerulea      "Colorado columbine" same section
01920 Astragalus kentrophyta  var. tegetarius   "mountain spiny milkvetch" 1.6 mi. S
01903 Astragalus miser  var. tenuifolius   "timber milkvetch" 1.6 mi. S
01552 Astragalus utahensis      "Utah milkvetch" same section
01926 Boechera perennans     1.6 mi. S
01918 Castilleja applegatei  var. viscida   "sticky Applegate's paintbrush" 1.6 mi. S
12264 Castilleja rhexiifolia  var. rhexiifolia   "meadow-beauty paintbrush" same section
01910 Castilleja rhexiifolia  var. rhexiifolia   "meadow-beauty paintbrush" 1.6 mi. S
01921 Chaenactis douglasii  var. alpina   "alpine dusty-maiden" 1.6 mi. S
01927 Collomia debilis      "alpine mountain trumpet" 1.6 mi. S
01925 Crepis runcinata  var. hispidulosa   "hairy fiddleleaf hawksbeard" 1.6 mi. S
12268 Erigeron caespitosus      "tufted fleabane" same section
01904 Erigeron caespitosus      "tufted fleabane" 1.6 mi. S
01905 Erigeron caespitosus      "tufted fleabane" 1.6 mi. S
18141 Erigeron eatonii      "Eaton's fleabane" 1533 ft. E
01906 Erigeron eatonii  var. eatonii   "Eaton's fleabane" 1.6 mi. S
01911 Erigeron subtrinervis      "three-nerved fleabane" 1.6 mi. S
18139 Eriogonum brevicaule      "short-stemmed wild buckwheat" same section
01909 Eriogonum brevicaule  var. grayi   "Gray's wild buckwheat" 1.6 mi. S
12279 Eriogonum brevicaule  var. grayi   "Gray's wild buckwheat" same section
16850 Gayophytum ramosissimum      "pinyon groundsmoke" 1.2 mi. E
01907 Ivesia gordonii      "Gordon's mousetail" 1.6 mi. S
12280 Ivesia gordonii      "Gordon's mousetail" same section
01912 Juniperus communis      "common juniper" 1.6 mi. S
04074 Lesquerella hemiphysaria      "western bladderpod" 1.6 mi. S
01914 Leucopoa kingii      "spike fescue" 1.6 mi. S
12269 Linanthus watsonii      "Watson's prickly phlox" same section
01551 Lithospermum incisum      "narrow-leaf stoneseed" same section
16849 Madia glomerata      "mountain tarweed" 1.2 mi. E
12277 Monardella odoratissima      "mountain monardella" same section
01915 Monardella odoratissima      "mountain monardella" 1.6 mi. S
12270 Noccaea montana      "alpine pennycress" same section
01550 Oenothera cespitosa      "tufted evening primrose" same section
12276 Pellaea breweri      "Brewer's cliff brake" same section
01928 Penstemon cyananthus  var. cyananthus   "Wasatch beardtongue" 1.6 mi. S
12271 Penstemon cyananthus  var. cyananthus   "Wasatch beardtongue" same section
01917 Penstemon montanus      "cord-root beardtongue" 1.6 mi. S
12265 Penstemon whippleanus      "Whipple's beardtongue" same section
12286 Physaria garrettii      "Garrett's bladderpod" same section
18075 Physaria occidentalis  var. occidentalis   "western bladderpod" same section
01913 Pinus flexilis      "limber pine" 1.6 mi. S
01922 Poa secunda      "Sandberg's bluegrass" 1.6 mi. S
04075 Polemonium viscosum      "sticky polemonium" 1.6 mi. S
16851 Polygonum bistortoides      "American bistort" same section
12267 Polygonum bistortoides      "American bistort" same section
12284 Rorippa curvipes  var. truncata   "bluntleaf yellowcress" same section
01880 Sedum debile      "orpine stonecrop" 1 mi. NE
01916 Sedum lanceolatum      "spearleaf stonecrop" 1.6 mi. S
12278 Sedum lanceolatum      "spearleaf stonecrop" same section
12272 Senecio multilobatus      "lobeleaf groundsel" same section
12274 Senecio streptanthifolius      "Rocky Mountain groundsel" same section
01929 Senecio streptanthifolius      "Rocky Mountain groundsel" 1.6 mi. S
01923 Silene douglasii      "Douglas's catchfly" 1.6 mi. S
12275 Silene douglasii      "Douglas's catchfly" same section
12285 Silene menziesii      "Menzies' campion" same section
04073 Smelowskia calycina  var. americana   "American false candytuft" 1.6 mi. S
12273 Solidago multiradiata      "Rocky Mountain goldenrod" same section
12282 Solidago multiradiata      "Rocky Mountain goldenrod" same section
13151 Solidago multiradiata      "Rocky Mountain goldenrod" 1.6 mi. S
01924 Solidago parryi      "Parry's goldenrod" 1.6 mi. S
12281 Stenotus acaulis      "stemless goldenweed" same section
18140 Synthyris pinnatifida      "featherleaf kittentails" 1314 ft. E


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Freedom Peak (Summit) Utah County, UT 2077 ft. S   Bridal Veil Falls 
Fourth Hole (Basin) Utah County, UT 0.7 mi. E 9436  Bridal Veil Falls 
Third Hole (Basin) Utah County, UT 1 mi. E 9229  Bridal Veil Falls 
Provo Peak (Summit) Utah County, UT 1.6 mi. S 10844  Springville 
Bald Knoll (Summit) Utah County, UT 1.5 mi. SE 9147  Bridal Veil Falls 
Lightning Peak (Summit) Utah County, UT 1.7 mi. NE 10020  Bridal Veil Falls 
Second Hole (Basin) Utah County, UT 1.7 mi. E 8852  Bridal Veil Falls 
Dry Fork (Stream) Utah County, UT 1.8 mi. W   Bridal Veil Falls 
Burnt Hollow (Valley) Utah County, UT 1.8 mi. W   Bridal Veil Falls 
First Hole (Basin) Utah County, UT 2 mi. NE 8718  Bridal Veil Falls 
Cold Spring (Spring) Utah County, UT 2.1 mi. SW 8153  Springville 
Corral Mountain (Summit) Utah County, UT 2.6 mi. S 10289  Springville 
Windy Pass (Gap) Utah County, UT 2.2 mi. NE 8921  Bridal Veil Falls 
Rock Canyon Picnic Area (Locale) Utah County, UT 2.1 mi. W 6907  Bridal Veil Falls 
Second Right Fork Rock Canyon (Valley) Utah County, UT 2.3 mi. W   Springville 
Knight Spring (Spring) Utah County, UT 3.1 mi. SW 7878  Springville 
Big Spring (Spring) Utah County, UT 3.3 mi. N 6595  Bridal Veil Falls 
Boardman Spring (Spring) Utah County, UT 3.1 mi. SW 7189  Springville 
Second Left Fork Rock Canyon (Valley) Utah County, UT 2.9 mi. W   Bridal Veil Falls 
First Right Fork Rock Canyon (Valley) Utah County, UT 3 mi. W   Springville 


Taxon Links for species Petrophytum caespitosum  (Nutt.) Rydb.

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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