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By: Schwarz, Eugene Amandus,Edition:Publication info: 1898Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects: Arizona Entomology Field notes Insects--Arizona Insects--Texas National Museum of Natural History (U.S.) National Museum of Natural History (U.S.) Dept. of Schwarz, Eugene Amandus, 1844-1924 Texas Western United StatesBHL Collections: Smithsonian Field Books collection
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By: Dix, M.E. - Tagestad, A. D. - Stein, John D. - Jacobson, MartinEdition:Publication info:Volume: RM-RN-445Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: forest trees Illinois Insect pests Insect traps Kansas Western United StatesBHL Collections:
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By: Ferrell, George T.Edition:Publication info:Volume: no.13 (1986)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Abies concolor Abies grandis Abies magnifica Animal behavior Geographical distribution Insect Control life cycle (organisms) natural enemies Scolytus ventralis symptoms Western United StatesBHL Collections:
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By: Hershler, Robert - Liu, Hsiu-Ping. - Simpson, JeffreyType: ArticleIn: ZooKeysVolume: 492Series:Issue:Date: 2015Page Range: 107-122Publication Info: Pensoft Publishers 2015Subjects: aquatic snails Assimineidae Biogeography Conservation Gastropoda Hydrobiidae taxonomy Western United States
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By: Liu, Hsiu-Ping. - Hershler, Robert - Rossel, ChrisType: ArticleIn: ZooKeysVolume: 514Series:Issue:Date: 2015Page Range: 1-13Publication Info: Pensoft Publishers 2015Subjects: aquatic Conservation Gastropoda Phylogeny systematics Western United States
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By: Johnson, Leigh A - Gowen, DavidType: ArticleIn: PhytoKeysVolume: 91Series:Issue:Date: 2017Page Range: 39-83Publication Info: Pensoft Publishers 2017Subjects: Allopolyploidy California conservation assessment exclusivity species delimitation taxonomy unified species concept Western United States