Springs, Tr isetum orthochaetum was rediscovered in 

 the Granite Creek drainage, in an area approx- 

 imately 2.S-3,1 air miles southwest of Lolo 

 Hot Springs. All data and photos are from 1986, 

 except where noted. 



E. Comments on current alternative taxonomic 



treatments: There are no current alternative 

 taxonomic treatments. 



2. Present legal or other formal status. 

 A- International: None. 



B. National . 



1. United States. 



a. Present designated or proposed legal 

 protection or regulation: U.S . Fish 

 and Wildlife Service : Currently, the 

 taxon is under notice of review for 

 listing as an endangered species under 

 the U.S. Endangered Species Act of 

 1973 (U.S. Department of Interior, 

 1985). Specifically, it is listed in 

 Category 2* ( taxa for which information 

 now in possession of the Service 

 indicates that proposing to list them as 

 endangered or threatened species is 

 possibly appropriate, but for which 

 substantial data on biological 

 vulnerability and threats are not 

 currently known or on file to support 

 the immediate preparation of rules, and 

 which Are possibly extinct). 



b. Other current formal status 

 recommendations: The taxon is currently 

 listed as "critically endangered 

 throughout range, with taxonomic 

 questions/problems involved" (global 

 rank = GIQ) (MTNHP, 1986). Recommended 

 for listing as "Endangered" by Ayensu 

 and DeFilipps (1978). 



/ c. Review of past status: The taxon was 



originally listed as "Probably Extinct" 

 by the U.S.F.W.S. (U.S. Department of 

 Interior, 1975). It was Subsequently 

 placed in Category 2* in the earlier 

 Notice of Review (U.S. Department of 

 Interior, 1980) . 



