b. 



candidate for listing consideration (FR NOR Vol. 55 No. 35 of 21 

 Feb. 1990; FR NOR Vol. 58 No. 188 of 30 Sept. 1993 - 51144- 

 51190). For the reasons described under species' taxonomy, 

 Clavtonia lanceolata var. flava belongs in both the "3B" category 

 (invalid taxon) and the "3C" category (more widespread than 

 previously known) . 



U.S. BUREAU OF LAND MANAGEMENT: No proposed status (USDI Bureau 

 of Land Management 1993). It had not been documented from BLM- 

 administered lands prior to this study. 



2. 



U.S. FOREST SERVICE: Sensitive designation (USDA Forest 

 Service - Region 1 1991, as represented in Lesica and Shelly 

 1991) . Recommended for deletion from sensitive designation in 

 pending list update (Shelly pers. commun.) 



STATE: It is currently ranked as "S3" by the Montana Natural 

 Heritage Program, meaning that it is not imperiled, though it may 

 be vulnerable. 



DESCRIPTION 



GENERAL NONTECHNICAL DESCRIPTION: Clavtonia lanceolata var. 

 flava is a small perennial herb with stems that arise from deep- 

 seated corms bearing two opposite narrow stem leaves which are 

 much longer than wide (ca. 1/4 to 1/2 inch wide to 2-4 inches 

 long) . The flowers are borne in groups of two to twelve and are 

 yellow or white (Figure 3) . Flowers are either yellow, or else 

 white as found in the Sweetgrass Hills. 



Figure 3. Close-up of Claytonia lanceolata var. 

 George Creek area, West Butte 



flava from Fred and 



14 



