69 



III. INPCR1ATICN SOURCES 



17. Sources of infomatlcn. 



A. Rdslicaticns. 



1. References cited in report: List appended (p. 72) . 



2. Other pertinent publications. 



a. Tochnical: ^tone known. 



b. P^puleur: 



Shelly, S. 1987. Rare and endangered plant profile - 

 ] [fciwellia aquatilis . Montana Native Plant Society 

 Newsletter 1: 2. 



B. RiseuB oollectlcns: Specimens frcin Montana were examined at the 

 University of Montana Herbeurium (MOtnu) , and the Rocky Mountain 

 Herbarium (PM) at the University of Wyoming. For Idaho, data 

 frora J.H. Sandberg's 1892 specimens were obtained from the U.S. 

 National Herbarium (US) and the University of Washington 

 Herbeuriura (WHJ) . The University of Idaho (UI) and Weishington 

 State University (WS) herbaria were also seeuxhed, but contained 

 no Idaho collections of tJ. aquatilis . 



Voucher ^secimens collected in Montana during field work for this 

 status rqxjrt are cited in the COf^QTTS field of the oorputer 

 printouts (Appendix A, pp. 76-130), emd are deposited at MDNIU. 

 Previously collected ^secimens fron Montana are cited in the 

 OCMfEUrs or BESTSOURCE fields of these printouts. A specimen 

 frcn the Idaho population is deposited at UI. 



C. Fleldwork. 



1. Surveys by the authors: 



MOtTTANA: 



J.S. Shelly: 23-26 & 30 June, 1-17 & 28-30 July 1987; 14- 

 15, 21-22, & 26-29 July 1988. Surveys in Lake and Missoula 

 counties; field notes, population surveys, photographs, and 

 herbarium ^secimens. 



ICAHO: 



After consultation with Ruth Orfnbey, the authors searched 

 the area neeu: Haurvard and located one pond with H. aquatilis 

 on 6 May 1988. The pond was revisited on 14 June 1988 by R. 

 Moseley and A. Cholewa, University of Minnesota. Papulation 

 and ccnrunity data were collected on this date. From 24-28 

 June 1988, R. Moseley seeuxhed suitable habitat in northern 

 Idaho, from the Palouse River drainage north to the Pend 



