Rosa californica (USA)

Rosa californica Cham. & Schltdl., Linnaea 2: 35 (1827) (syn: Rosa aldersonii Greene; Rosa fraxinifolia Dur. & Hilg.);
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USA (California, Oregon), Mexico (Baja California Norte) as per Catalogue of Life;
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Rosa californica from California-GS22012021-3
2 images.

Rosa californicaCham. & Schltdl.

California Rose

Native of California, spiny shrub with 5-9 leaflets and pink flowers. Photographed from Schaeffer Park Dublin California, 23-6-2019. 

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References: POWO  Catalogue of Life  The Plant List Ver.1.1  Wikipedia
https://calscape.org/Rosa-californica-(California-Wildrose)
https://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=7179
https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=41631
https://inlandvalleygardenplanner.org/plants/rosa-californica/