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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1982)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1987)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1990)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1995)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1997)

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Convention on the Conservation of European Wildlife and Natural Habitats. Standing Committee. Revision of Appendix 1. Species conservation summaries: non-endemic species and endemics for Austria, Germany, Hungary, Norway - Morgan, V., Leon, C., Council of Europe (Council of Europe, 1990)

Correspondence : Luerssen (Christian) and Engelmann (George), 1882 - Luerssen, Christian, 1843 -1916 (1882)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1984)

Cultivated plants, their propagation and improvement - Burbidge, F. W. (Frederick William), 1847 -1905 (W. Blackwood & Sons, 1877)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1981)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1983)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1985)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1988)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1993)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1994)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1996)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1999)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2008)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2009)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2020)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1909)

The derivation of the flora of Hawaii (Stanford University, 1919)

Descriptions of orchid genera [manuscript], 1880-1908 - Kraenzlin, Fritz, 1847 -1934 (1880)

Dictionary of biological equivalents, German-English - Artschwager, Ernst, 1889 -1957 (The Williams & Wilkins company, 1930)

Dictionary of botanical equivalents; French-English, German-English - Artschwager, Ernst, 1889 -1957 (Williams & Wilkins, 1921)

Dictionary of botanical equivalents, French-English, German-English - Artschwager, Ernst, 1889 -1957 (Williams & Wilkins, 1921)

A dictionary of plant names - Hollandsche Maatschappij der Wetenschappen (M. Nijhoff, 1911)

A dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (The University Press, 1919)

A directory of Illinois systematists, ecologists, and field biologists - Robertson, Kenneth Ray, 1941 - ([Section of Botany and Plant Pathology, Illinois Natural History Survey], 1989)

dong bei zhi wu jian suo biao - Liu, Zhen-e (ke xue chu ban she, 1959)

dong zhi wu ming ci hui bian kuang wu ming ci fu - ke xue ming ci shen cha hui (ke xue ming ci shen cha hui)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1889)

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Études de systématique et de géographie botaniques sur la flore du Bas- et du Moyen-Congo - Wildeman, E. de (Emile), 1866 -1947 (Par ordre du Secrétaire d'États, 1909)

Eastern states endangered plants - Arndt, Raymond E. (U.S. Dept. of the Interior, Bureau of Land Management, 1980)

Der Einfluss von mechanischer Hemmung und von Belastung auf die Schlafbewegungen - Pfeffer, W. (Wilhelm), 1845 -1920 (B. G. Teubner, 1911)

Einführung in die paläontologie - Steinmann, G. (Gustav), 1856 -1929 (W. Engelmann, 1903)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1908)

Elementary botany - Atkinson, George Francis, 1854 -1918 (Holt, 1898)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W.S. Sonnenschein & Allen, 1880)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co., lim, 1898)

Embryogenesis in plants - Wardlaw, C. W. (Claude Wilson), 1901 - (Methuen, 1955)

Endangered and threatened species of the Southeastern United States including Puerto Rico and the Virgin Islands - United States. Forest Service. (U.S. Forest Service], 1982)

An enumeration of plants collected in Sumatra by W. N. and C. M. Bangham - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (The Arnold Arboretum of Harvard University, 1934)

An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

An enumeration of the vascular plants known from Surinam : together with their distribution and synonymy - Pulle, A. A. (August Adriaan), 1878 -1955 (E. J. Brill, 1906)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1983)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1997)

The essentials of botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt and company, 1914)

Essentials of college botany - Bessey, Ernst Athearn, 1877 -1957 (H. Holt, 1914)

Études sur la flore des districts des Bangala et de l'Ubangi (Congo Belge) ; Plantae Thonnerianae Congolenses. Série II - De Wildeman, Emile 1866 -1947 (Misch & Thron, 1911)

European plants in peril: a review of threatened plants in the European Community - WCMC (WCMC, 1989)

Evolution in the light of modern knowledge : a collective work - Coventry, Alan Freeth, (Blackie and Son Limited, 1925)

Experimental and molecular approaches to plant biosystematics - Hoch, Peter C (Missouri Botanical Garden, 1995)

Explorations and field-work of the Smithsonian Institution in ... - Smithsonian Institution (Smithsonian Institution, 1927)

Die Farngattung Niphobolus - Giesenhagen, Karl Friedrich Georg, 1860 -1928 (G. Fischer, 1901)

Die farnkräuter der erde. Beschreibende darstellung der geschlechter und wichtigeren arten der farnpflanzen mit besonderer berücksichtigung der exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Die Farnkräuter der Erde : beschreibende Darstellung der geschlechter und wichtigeren Arten der Farnpflanzen mit besonderer Berücksichtigung der Exotischen - Christ, H. (Hermann), 1833 -1933 (G. Fischer, 1897)

Die Farrnkräuter in kolorirten Abbildungen naturgetreu Erläutert und Beschrieben - Kunze, Gustav, 1793 -1851 (E. Fleischer, 1845)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1903)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1906)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1907)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1908)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1909)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1911)

The Fern bulletin - Clute, Willard Nelson, 1869 -1950 (W. N. Clute & Co, 1912)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1974)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1979)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1985)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1995)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1996)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1998)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 1999)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2000)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2001)

The Fern gazette - British Pteridological Society. (British Pteridological Society, 2002)