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Petrophytum caespitosum

(Nutt.) Rydb.

Cespitose Rockmat

G5Secure Found in 137 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.147975
Element CodePDROS18020
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRosales
FamilyRosaceae
GenusPetrophytum
Synonyms
Petrophyton caespitosum(Nutt.) Rydb.
Other Common Names
mat rockspirea (EN) Tufted Rockmat (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic Comments
FNA (vol. 9, 2014) expands the concept of Petrophytum caespitosum by including P. acuminatum (= P. caespitosum ssp. acuminatum) as a subspecies, while Kartesz (1994) here treats them as distinct.
Conservation Status
Review Date2003-11-05
Change Date2003-11-05
Ecology & Habitat
Other Nations (1)
United StatesN4
ProvinceRankNative
WashingtonSNRYes
New MexicoSNRYes
NevadaS4Yes
ArizonaSNRYes
IdahoSNRYes
UtahSNRYes
CaliforniaSNRYes
Navajo NationS4Yes
ColoradoS3Yes
TexasSNRYes
MontanaS5Yes
South DakotaS4Yes
WyomingS3Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (137)
Arizona (5)
AreaForestAcres
Barbershop CanyonCoconino National Forest1,311
Coconino RimKaibab National Forest7,213
East Clear CreekCoconino National Forest1,613
FritschePrescott National Forest14,190
Lower Jacks CanyonCoconino National Forest777
California (10)
AreaForestAcres
AgnewSequoia National Forest9,561
Andrews Mtn.Inyo National Forest9,912
Birch CreekInyo National Forest28,816
Black CanyonInyo National Forest32,421
Boundary Peak (CA)Inyo National Forest210,884
Kings RiverSierra National Forest52,999
PaiuteInyo National Forest58,712
Rock Creek WestInyo National Forest3,626
Soldier CanyonInyo National Forest40,589
TinemahaInyo National Forest27,060
Idaho (8)
AreaForestAcres
Borah PeakSalmon-Challis National Forest130,463
Italian PeakCaribou-Targhee National Forest141,158
Lemhi RangeSalmon-Challis National Forest308,533
NeedlesPayette National Forest131,279
PalisadesCaribou-Targhee National Forest122,002
Pioneer MountainsSalmon-Challis National Forest172,460
Pioneer MountainsSawtooth National Forest119,563
SeceshPayette National Forest248,088
Montana (11)
AreaForestAcres
BridgerGallatin National Forest45,059
Cabin Creek Wildlife Management Area OcdGallatin National Forest35,048
East PioneerBeaverhead-Deerlodge National Forest145,082
Gallatin FringeGallatin National Forest51,571
Hyalite - Porcupine - Buffalo Horn Wilderness Study AreaGallatin National Forest143,991
Lost Water CanyonCuster National Forest9,251
Lost Water Canyon RnaCuster National Forest561
MadisonGallatin National Forest127,859
Mt. Gmt Area HCuster National Forest1,335
North AbsarokaGallatin National Forest159,075
Red Lodge Creek HellroaringCuster National Forest17,210
Nevada (39)
AreaForestAcres
Angel Peak NorthHumboldt-Toiyabe National Forest12,577
Angel Peak SouthHumboldt-Toiyabe National Forest6,540
Bald Mtn.Humboldt-Toiyabe National Forest41,598
Blade CreekHumboldt-Toiyabe National Forest6,331
Bunker HillHumboldt-Toiyabe National Forest27,569
ButlerHumboldt-Toiyabe National Forest39,470
Cave CreekHumboldt-Toiyabe National Forest6,145
Charleston - CarpenterHumboldt-Toiyabe National Forest17,828
Charleston - ClarkHumboldt-Toiyabe National Forest4,674
Charleston - Macks CynHumboldt-Toiyabe National Forest11,378
CooperHumboldt-Toiyabe National Forest9,889
Currant - East SlopeHumboldt-Toiyabe National Forest10,101
Duck Creek Mtns.Humboldt-Toiyabe National Forest12,165
Grant - Little Deer SpHumboldt-Toiyabe National Forest177
Grant - Lower ScofieldHumboldt-Toiyabe National Forest5,816
Grant - ScofieldHumboldt-Toiyabe National Forest3,265
Humboldt - Angel LkHumboldt-Toiyabe National Forest1,008
Lovell Summit SouthHumboldt-Toiyabe National Forest28,455
Moriah - Silver CreekHumboldt-Toiyabe National Forest1,582
Moriah - West SlopeHumboldt-Toiyabe National Forest14,737
Pearl PeakHumboldt-Toiyabe National Forest71,405
Pogonip RidgeHumboldt-Toiyabe National Forest6,629
PotosiHumboldt-Toiyabe National Forest5,145
QuinnHumboldt-Toiyabe National Forest62,459
Ruby - Lamoille CynHumboldt-Toiyabe National Forest32,771
Ruby - MarshHumboldt-Toiyabe National Forest10,164
Ruby - ThompsonHumboldt-Toiyabe National Forest5,289
ShellbackHumboldt-Toiyabe National Forest36,455
Snake - Big WashHumboldt-Toiyabe National Forest4,146
Snake - Cedar SpurHumboldt-Toiyabe National Forest35
Snake - ChokecherryHumboldt-Toiyabe National Forest30,845
Snake - HatcheryHumboldt-Toiyabe National Forest4,627
Snake - Lincoln CynHumboldt-Toiyabe National Forest314
Snake - MurphyHumboldt-Toiyabe National Forest27,064
Snake - Pole CynHumboldt-Toiyabe National Forest766
South SchellHumboldt-Toiyabe National Forest125,614
Table Mtn. - EastHumboldt-Toiyabe National Forest87,789
Toiyabe RangeHumboldt-Toiyabe National Forest99,225
White Pine Mtn.Humboldt-Toiyabe National Forest25,244
New Mexico (5)
AreaForestAcres
Last Chance CanyonLincoln National Forest8,934
Ortega PeakLincoln National Forest11,545
Pecos WS RiverSanta Fe National Forest5,396
South Guadalupe MountainsLincoln National Forest20,930
West Face Sacramento MountainsLincoln National Forest41,176
Utah (38)
AreaForestAcres
0401010Ashley National Forest21,886
0401011Ashley National Forest30,062
0401027Ashley National Forest7,312
0401031Ashley National Forest7,110
418022Uinta National Forest17,289
418024Uinta National Forest51,699
418026Uinta National Forest14,038
418027Uinta National Forest13,884
418028Uinta National Forest34,002
418029Uinta National Forest15,673
418031Uinta National Forest18,173
Boulder Mtn. / Boulder Top / Deer LakeDixie National Forest110,690
Box - Death HollowDixie National Forest3,175
Clarkston Mtn.Caribou National Forest7,099
CottonwoodDixie National Forest6,754
FishhookDixie National Forest12,959
Horse Mountain - Mans PeakManti-Lasal National Forest22,159
Lone Peak ContiguousWasatch-Cache National Forest874
Mahogany RangeWasatch-Cache National Forest11,409
Mcgath Lake - Auger HoleDixie National Forest8,334
Mt. AireWasatch-Cache National Forest9,681
Mt. Logan NorthWasatch-Cache National Forest18,930
Mt. Logan SouthWasatch-Cache National Forest17,014
Mt. Logan WestWasatch-Cache National Forest5,285
Mt. NaomiWasatch-Cache National Forest41,922
Mt. OlympusWasatch-Cache National Forest9,982
North PavantFishlake National Forest53,262
Pine Valley MountainsDixie National Forest57,673
Raft RiverSawtooth National Forest23,969
Red Canyon NorthDixie National Forest9,973
Right Hand Fork LoganWasatch-Cache National Forest15,023
Stansbury MountainsWasatch-Cache National Forest39,696
Stump CreekCaribou National Forest355
Temple PeakWasatch-Cache National Forest24,081
Twin PeaksWasatch-Cache National Forest6,157
Upper South ForkWasatch-Cache National Forest16,811
WellsvilleWasatch-Cache National Forest1,717
White PineWasatch-Cache National Forest1,942
Wyoming (21)
AreaForestAcres
Bear RocksBighorn National Forest25,023
Cloud Peak ContiguousBighorn National Forest113,757
Devils CanyonBighorn National Forest37,416
Gros Ventre MountainsBridger-Teton National Forest106,418
Horse Creek MesaBighorn National Forest77,808
Leigh CreekBighorn National Forest19,180
Little BighornBighorn National Forest133,949
Little GooseBighorn National Forest25,558
Middle ForkShoshone National Forest51,772
Mosquito Lake - Seven LakesBridger-Teton National Forest51,950
PalisadesTarghee National Forest1,121
Phillips RidgeBridger-Teton National Forest10,108
Piney CreekBighorn National Forest22,240
Rock CreekBighorn National Forest48,657
Salt River RangeBridger-Teton National Forest235,661
South Wyoming RangeBridger-Teton National Forest85,776
Spread Creek - Gros Ventre RiverBridger-Teton National Forest166,097
Walker PrairieBighorn National Forest62,434
West Slope TetonsTarghee National Forest47,448
West Slope WindsBridger-Teton National Forest143,252
Wilderness Study AreaTarghee National Forest51,961
References (3)
  1. Baldwin, B. G., D. H. Goldman, D. J. Keil, R. Patterson, T. J. Rosatti, and D. H. Wilken, eds. 2012. The Jepson manual: vascular plants of California. 2nd edition. University of California Press, Berkeley, CA. 1568 pp.
  2. International Plant Names Index (IPNI). 2012. Online. Available: http://www.ipni.org. (Accessed 2012).
  3. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.