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		Strict Blue-eyed-grass - Sisyrinchium montanum
		
		
		
		
Native Species
			Global Rank: 
G5
			State Rank: 
S4
			
				C-value: 
6
			
			
			
			Agency Status
			USFWS: 
			USFS: 
			BLM: 
		
			
			
				
			
			
				External Links
				
			
		 
	 
	
	 
		General Description
		Stems clumped, 12–40 cm. Leaves 1–3 mm wide. Inflorescence of 2 to 4 flowers; inner spathe 22–28 mm long; outer spathe 3–7 cm long. Flowers: tepals 7–11 mm long, blue with yellow bases (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Our plants are variety 
montanum.
 
		
	
	
	Species Range
	
		
			Montana Range
		Range Descriptions
			
			
			
					
						
						Native
					 
				
				
					
			 
			
		 
		
	 
	
    		Range Comments
			YT to NL south to NM, OK, IN and NY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
			
		
		Observations in Montana Natural Heritage Program Database
		Number of Observations: 145
		
		
(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 vagans, 
Bombus bifarius, 
Bombus centralis, 
Bombus fervidus, 
Bombus flavifrons, 
Bombus mixtus, 
Bombus rufocinctus, 
Bombus occidentalis, 
Bombus griseocollis, and 
Bombus suckleyi (Mayer et al. 2000, Colla and Dumesh 2010).
 
		
	
		Stewardship Responsibility
		
		
	
	References
	
		
			- Literature Cited AboveLegend:  
 View Online Publication
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.
Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
Mayer, D.F., E.R. Miliczky, B.F. Finnigan, and C.A. Johnson. 2000. The bee fauna (Hymenoptera: Apoidea) of southeastern Washington. Journal of the Entomological Society of British Columbia 97: 25-31.
 
			- Additional ReferencesLegend:  
 View Online Publication
Do you know of a citation we're missing?
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.
Meier, G.A. 1997. The colonization of Montana roadsides by native and exotic plants. M.Sc. Thesis. Bozeman, MT: Montana State University. 45 p.
Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
 
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