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Taxon:  Petrophytum caespitosum (Nutt.) Rydb.



Summary
Genus:
Petrophytum
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Spiraeeae
Nomen number:
452065
Place of publication:
Mem. New York Bot. Gard. 1:206. 1900
Verified:
02/12/2007 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in Australian Pastures Genebank. 
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Basionym
Spiraea caespitosa Nutt.

No images


Reference(s)
  1. Aldén, B., S. Ryman & M. Hjertson. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin). 2009
  2. Correll, D. S. & M. C. Johnston. Manual of the vascular plants of Texas. 1970
  3. Cronquist, A. et al. Intermountain flora. 1972-
  4. Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993
  5. Martin, W. C. & C. R. Hutchins. A flora of New Mexico. 1980
  6. Moerman, D. Native American ethnobotany, ed. 5. 1998
Common names
English
rock-spiraea –
tufted rockmat –
Swedish
mattspirea –
Distribution
order_codeStatusContinentSubcontinentCountryStateNote
1NativeNorthern AmericaNorth-Central U.S.A.United StatesSouth Dakota 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesColorado 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesIdaho 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesMontana 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesOregon 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesWyoming 
1NativeNorthern AmericaSouth-Central U.S.A.United StatesNew Mexico 
1NativeNorthern AmericaSouth-Central U.S.A.United StatesTexas 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesArizona 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesCalifornia 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesNevada 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesUtah 
Native
Northern America
  • NORTH-CENTRAL U.S.A.: United States [South Dakota]
  • NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Wyoming]
  • SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
  • SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://apg.pir.sa.gov.au/gringlobal/taxon/taxonomydetail?id=452065. Accessed 2 August 2025.


GRIN-Global project