| Scientific Name | Crepis atribarba | USDA PLANTS Symbol | CRAT | 
| Common Name | Slender Hawk's-beard | ITIS Taxonomic Serial No. | 37172 | 
| Family | Asteraceae (Sunflower) | SEINet Reference  | 
		Click Here | 
| Description | 
            Life zones and habitat: Foothills and montane (5500 to 10000 ft). Dry soils in open, grassy areas, sagebrush slopes and pine forests.  Plant: Erect perennial 6 to 28 inches tall, with 1 or 2 slender, usually branched stems. Leaves: Basal and stem leaves lanceolate to linear blades with deep linear, usually entire, lobes; overall 4 to 14 inches long and 1/4 to 2-3/8 inches wide. Upper leaves becoming linear and entire. Inflorescence: Corymb of 3 to 30 composite flower heads, each with 6 to 35 yellow rays 3/8 to almost 3/4-inch long; cylindrical-to-bell shaped involucre 3/10 to 6/10 inches long with greenish, lance-shaped phyllaries with yellow edges and short, fine hairs, often with dark bristles. Bloom Period: May to July. References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and the Burke Herbarium.  | 
		BONAP Distribution Map![]() Map Color Key  |        
		Colorado Status: Native  |  
        
          
© Tom Lebsack 2025
					Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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