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		Brook Cinquefoil - Potentilla rivalis
		
		
		
		
Native Species
			Global Rank: 
G5
			State Rank: 
SNR
			
				C-value: 
4
			
			
			
			Agency Status
			USFWS: 
			USFS: 
			BLM: 
		
			
			
				
			
			
				External Links
				
			
		 
	 
	
	 
		General Description
		Taprooted annual or biennial. Stems erect, branched, villous, 10–30 cm. Leaf blades broadly obovate, pinnately divided into 3 to 5 oblong, coarsely dentate, villous leaflets, 1–3 cm long. Inflorescence a leafy, villous, many-flowered cyme. Flowers: sepals deltoid, 2–3 mm long; bracteoles narrower, ca. as long; petals light yellow, 1–2 mm long, shorter than the sepals. Achenes smooth, <1 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
 
		
	
	
	Species Range
	
		
			Montana Range
		Range Descriptions
			
			
			
					
						
						Native
					 
				
				
					
			 
			
		 
		
	 
	
    		Range Comments
			BC to SK south to CA, AZ, NM, TX and MO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
			
		
		Observations in Montana Natural Heritage Program Database
		Number of Observations: 21
		
		
(Click on the following maps and charts to see full sized version)
		Map Help and Descriptions
		
		
			
				Relative Density
				
			 
		
			
				Recency
				
			 
		
		 
		
			
				
			
				
			
					
				
			(Observations spanning multiple months or years are excluded from time charts)
		 
		
			
		
		
	
		Habitat
		
		
		
	
		Ecology
		POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: 
Bombus bifarius, 
Bombus fervidus, 
Bombus frigidus, 
Bombus rufocinctus, 
Bombus occidentalis, 
Bombus pensylvanicus, 
Bombus impatiens, and 
Bombus flavidus (Thorp et al. 1983, Wilson et al. 2010, Colla and Dumesh 2010, Colla et al. 2011, Koch and Strange 2012, Koch et al. 2012, Williams et al. 2014).
 
		
	
		Stewardship Responsibility
		
		
	
	References
	
		
			- Literature Cited AboveLegend:  
 View Online Publication
Colla, S., L. Richardson, and P. Williams. 2011. Bumble bees of the eastern United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 103 p.
Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
Koch, J.B. and J.P. Strange. 2012. The status of Bombus occidentalis and B. moderatus in Alaska with special focus on Nosema bombi incidence. Northwest Science 86:212-220.
Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
 
			- Additional ReferencesLegend:  
 View Online Publication
Do you know of a citation we're missing?
Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
 
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