Bibliography and Citations
A review of the North American freshwater snail genus Pyrgulopsis (Hydrobiidae). Smithsonian Contributions to Zoology. 554:121pp..
.
1994. North American Hydrobiidae (Gastropoda: Rissoacea): redescription and systematic relationships of Tryonia Stimpson, 1865 and Pyrgulopsis Call and Pilsbry, 1886. Nautilus. 101(1):25-32. Available from http://www.biodiversitylibrary.org/item/33813#page/33/mode/1up
.
1987. .
1992. A review of the North American freshwater snail genus Fluminicola (Hydrobiidae). Smithsonian Contributions to Zoology No. 583. Smithsonian Institution Press. Available from http://www.sil.si.edu/smithsoniancontributions/Zoology/pdf_hi/SCTZ-0583.pdf
.
1996. New species and records of Pyrgulopsis (Gastropoda: Hydrobiidae) from the Snake River basin, southeastern Oregon: further delineation of a highly imperiled fauna. Zootaxa. 2006:1-22. Available from http://www.mapress.com/zootaxa/2009/f/z02006p022f.pdf
.
2009. .
0. Springsnails: a new conservation focus in western North America. BioScience. 64(8):693-700. Available from http://bioscience.oxfordjournals.org/content/64/8/693.full.pdf
.
2014. Biogeography of Great Basin aquatic snails of the genus Pyrgulopsis. Great Basin aquatic systems history. (Smithsonian contributions to the earth sciences; no. 33). Hershler R, Madsen DB, Currey DR, editors. Washington (DC): Smithsonian Institution Press. p. 255-276. Available from https://www.researchgate.net/profile/Peter_Wigand/publication/261596660_Great_Basin_Vegetation_History_and_Aquatic_Systems_The_Last_150000_Years/links/0deec537d90183bdfb000000/Great-Basin-Vegetation-History-and-Aquatic-Systems-The-Last-150-000-Years.pdf
.
2002. A review of morphological characters of hydrobioid snails. Smithsonian Contributions to Zoology. 600:1-55.
.
1998. .
2003. .
2012. .
1995. Plant phenology as a guide in timing grasshopper control efforts on Montana rangeland. Journal of Range Management. 33(4):297-299.
.
1980. Additional comments on northern pygmy-owl fishing. Oregon Birds. 19(4):112.
.
1993. Ecological life history studies in Artemisia. Journal of Idaho Academy of Science. 4:50-58.
.
1963. History of fire and Douglas-fir establishment in a savanna and sagebrush–grassland mosaic, southwestern Montana, USA. Forest Ecology and Management. 230:107–118.
.
2006. Range and spread of the gray and the fox squirrels in North Dakota. Journal of Mammalogy. 37:525-31.
.
1956. .
1993. .
1992. Dogwood anthracnose in northeastern United States. Plant Disease. 72(3):199-203.
.
1988. Vegetation characteristics of alder-dominated riparian buffer strips in the Oregon Coast Range. Northwest Science. 70(3):213-222.
.
1996. Mapping whitebark pine mortality caused by a mountain pine beetle outbreak with high spatial resolution satellite imagery. International Journal of Remote Sensing. 30(17):4427–4441. Available from http://gis.fs.fed.us/wwetac/publications/hicke_logan_2009.pdf
.
2009. .
1986. .
1986. .
1986.