Genera of the trichoptera of Canada and adjoining or adjacent United States por Schmid, F. U. (Franz Urs)

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The poverty of the Linnaean hierarchy a philosophical study of biological taxonomy / por Ereshefsky, Marc

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Checklist of the Hemiptera of Canada and Alaska

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A Catalog of Scolytidae and Platypodidae (Coleoptera). por Bright, Donald E.

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Taxonomy, evolution and biostratigraphy of conodonts from the Kechika Formation, Skoki Formation, and Road River Group (Upper Cambrian to Lower Silurian), Northeastern British Colu... por Pyle, Leanne J.

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Green plants their origin and diversity / por Bell, Peter Robert

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Igneous rocks a classification and glossary of terms : recommendations of the International Union of Geological Sciences, Subcommission on the Systematics of Igneous Rocks /

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Gentianaceae systematics and natural history /

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Cycad classification concepts and recommendations /

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Maritime communities and vegetation of open habitats

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Systematics and the origin of species on Ernst Mayr's 100th anniversary /

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The Sepsidae (Diptera) of Europe por Pont, Adrian Charles

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Assembling the tree of life

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Phillipsastreid corals from the Frasnian (Upper Devonian) of western Canada taxonomy and biostratigraphic significance / por McLean, Ross A.

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Silurian (late Llandovery-Ludlow) atrypid brachiopods from Gotland, Sweden and the Welsh Borderlands, Great Britain por Copper, Paul, 1940-

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Cretaceous and eocene decapod crustaceans from southern Vancouver Island, British Columbia, Canada

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The glycaemic index a physiological classification of dietary carbohydrate / por Wolever, Thomas M. S.

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Tylenchida parasites of plants and insects / por Siddiqi, Mohammad Rafiq

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Plant systematics por Simpson, Michael G. (Michael George), 1953-

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Ecology and classification of North American freshwater invertebrates

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