I 



29 



agricultural and residential developrent; also, upland areas 

 are dcminated by grassland vegetation, and habitat 

 ccMisisting of pcMids surrounded by <x>niferous and deciduous 

 trees is absent. Ihere may be some appropriate habitat on 

 the Lolo NatiOTial Forest in west-central Montana (J. 

 Diebert, pers. ocnin.)» especially in the Cleeirwater River 

 drainage in Missoula County. 



An extensive search in northern Idaho, during June 1988, was 

 unsuccessful in locating new Howell ia aquatilis populations. 

 It is possible that other populations may exist in Idaho 

 north of the Cleeurwater River drainage. As in the other 

 states, however, past and ongoing alteration and conversion 

 of native low elevation bottonlands makes the pro^sect 

 unli}cely. 



In Washington, areas near the historical record north of 

 Shelton contain numerous wetlainds, so the potential exists 

 for relocating H. aquatilis in this region. Also, the 

 forested portions of the chemneled scciblands in eastern 

 Washington (Spokane Oounty) probably harbor additional 

 populations, "niere is some potential along the forested 

 northern periphery of the Columbia Basin, as well (J. Gamon, 

 pers. ccnin.) . 



. In Oregon, the type locality on Sauvies Island in the 



f Ooluirbia River has been adequately sesuxhed; however, there 



may still be some potential habitat in the Willamette River 



vedley (J. Kagan, pers. conn.). 



In California, there may be habitat in tenporary ponds or 

 vernal pools on the Mendocino National Forest near vtiere the 

 historiced collection was made. These areas should be 

 searched in May to June or July (Griggs ard Dibble 1979) . 



5. Reports having ambiguous or inocnplete locality information: 



a. Spirit Lake. 



1. U.S.A., Idaho, Kootenai County. 



2. latitude, longitude, altitude: unknown. 



3. Legal description: unknown. 



4. U5GS quad: unknown. 



5. Yeeu: of initial discovery: 1892. 



6. Year of roost recent observation: 1892. 



7. lixation: "Valley of Lake Tesemini, Kootenai Co." 

 f J.H. Sandberq 699 . US) . 



8. Alternative site name: Lake Tesemini. 



C*i 22 July 1892, J.H. Sandberg collected Howell ia acaiatilis 

 near Lake Tesemini (new known as Spirit Lake) in Kootenai 

 P County, Idaho. Holzinger (1895) described Sandberg's 



exploration of this area as follows: "Carp 10 was situated 



