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Castilleia qracillima 



I. SPECIES INFORMATION 



A. CLASSIFICATION 



1. SCIENTIFIC NAME: Castilleia qracillima Rydb . 



2. COMMON NAME: Slender paintbrush 



3. FAMILY: Scrophulariaceae (Figwort family) 



4. SPECIES: Castilleia qracillima is a narrowly 

 distributed species found in northwest Wyoming, 

 adjacent Montana and central Idaho. According to 

 Ownbey (Hitchcock et al. 1959) , C. qracillima has 

 affinities with C. sulphurea and C. miniata , but is 

 distinguishable from them. 



5. GENUS: Castilleia consists of 150-200 species 

 (Hitchcock et al. 1959) , distributed in western 

 North and South America. The greatest number of 

 species occurs in the western United States. 

 Hybridization and polyploid complexes are common in 

 the genus, and are the source of taxonomic 

 difficulties. 



B. PRESENT LEGAL OR OTHER FORMAL STATUS 



1. FEDERAL STATUS 



a. U.S. FISH AND WILDLIFE SERVICE: Castilleia 

 qracillima is not currently listed in the 

 U.S.F.W.S. Notice of Review (U.S. Department 

 of Interior 1985) . 



b. U.S. FOREST SERVICE: Castilleia qracillima is 

 currently included on the list of sensitive 

 species for Region 1 (Northern Region) of the 

 U.S. Forest Service (U.S. Department of 

 Agriculture 1988) . 



2. STATE: Castilleia qracillima is currently listed 

 by the Montana Natural Heritage Program (Shelly 

 1989) as "possibly in peril in the Montana, status 

 uncertain; more information needed" (state rank = 

 SU) . This state rank does not currently provide 

 any direct legal protection for C. qracillima . 

 Through its inclusion on the Region 1 sensitive 

 plant list, the taxon has legal protection under 

 U.S. Forest Service agency policies (W. Ruediger, 

 pers. comm. ) . 



