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Clavis, classium, ordinum et familiarum atque index generum regni vegetabilis = Diagnostische Uebersichtstafeln des natürlichen Pflanzensystems : nebst vollständigem Gattungsregister - Perleb, Karl Julius, 1794 -1845 (A. Emmerling, 1838)

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The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab, 1921)

Coefficient of conservatism rankings for the flora of Montana. report to the Montana Department of Environmental Quality, Helena, Montana. Part I - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2015)

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A college textbook of pharmaceutical botany : with pharmaceutical and medical applications, especially adapted for the use of students of pharmacy and economic botany and as a reference for pharmacists, chemists and students in structural and systematic botany - Youngken, Heber W. (Heber Wilkinson), 1885 -1963 (P. Blakiston's Son, 1918)

Common edible and useful plants of the West - Sweet, Muriel. (Naturegraph Co, 1962)

The commonly occuring wild plants of Canada a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1887)

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Companion to the Botanical magazine :being a journal, containing such interesting botanical information as does not come within the prescribed limits of the magazine; with occasional figures - Hooker, William Jackson, Sir, 1785 -1865 (Printed by E. Conchman ... for the proprietor, S. Curtis, 1836)

Compendium of plant disease and decay fungi in Canada, 1960-1980 - Ginns, J. H. (James Herbert) (Research Branch, Agriculture Canada, 1986)

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Coniferous forest habitat types of northern Utah - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1984)

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Conservation overview of butterflies in the southern headwaters at risk project (SHARP) area - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Biodiversity and Species At Risk Section, 2004)

Conservation status of Castilleja longispica on Custer and Gallatin National forests, Montana - Lesica, Peter. (MNHP, 1995)

Conservation status of Eriogonum X lagopus in southern Carbon County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1992)

Conservation status of Lomatium attenuatum Evert (Apiaceae) in Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1998)

The conservation status of Picabo milkvetch (Astragalus oniciformis Barneby) - Moseley, Robert K. (Bureau of Land Management, Idaho State Office, 1995)

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Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1891)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1892)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1893)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1901)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1900)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1909)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1912)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1920)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1925)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1957)

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Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1979)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1983)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1987)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1990)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1994)

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Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1891)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1893)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1898)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1903)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1908)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1910)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1929)