Bibliography and Citations
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1957. The genus Peteria (Leguminosae). Rhodora. 58:344-354.
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1956. The genus Phlox. Morris Arboretum Monographs. III:174pp..
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1955. The genus Pilophorus. Mycotaxon. 8(2):289-330.
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1981. The genus Porella in North America west of the Hundredth Meridian. Bryologist. 86(2):143-155.
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1983. The genus Primula as a model for evolution in the Alaskan flora. Arctic and Alpine Research. 24(1):82-87.
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1992. The genus Psychoglypha (Trichoptera: Limnephilidae). Canadian Entomologist. 102(1):15-30. Available from http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8557066
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1970. The genus Ramalina in Fennoscandia and the British Isles. Norwegian Journal of Botany. 24:2415-43.
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1977. The genus Thelomma. Botaniska Notiser. 129:221-249.
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1976. Geographic and seasonal distribution of the Family Capniidae of western North America (Plecoptera). Journal of the Kansas Entomological Society. 40(3):415-421. Available from http://www.jstor.org/stable/25083648
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1967. Geographic differences in effects of experimental warming on ant species diversity and community composition. Ecosphere. 5(10):art125. Available from http://onlinelibrary.wiley.com/doi/10.1890/ES14-00143.1/epdf
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2014. Geographic distribution and factors affecting the distribution of salt desert shrubs in the United States. Journal of Range Management. 20:287-296.
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1967. Geographic distribution and factors affecting the distribution of salt desert shrubs in the United States. Journal of Range Management. 29:287-296.
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1967. Geographic Distribution of Pupillidae; Strobilopsidae, Valloniidae and Pleurodiscidae. In Manual of Conchology, Second series: Pulmonata. Volume XVIII.
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1934. Geographic patterns in temperate American ferns and some relationships in Thelypteris. American Fern Journal. 64(4):99-104.
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1974. Geographic patterns of genetic diversity in karri (Eucalyptus diversicolor F. Muell.). Australian Journal of Botany. 37:145-156.
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1989. Geographic variation in EMPIDONAX TRAILLII. Auk. 65:507-514.
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