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Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

A check list of the vascular plants of Nicaragua : based largely on collections in Nicaragua made by the author and companions, 1968-1976 - Seymour, Frank Conkling. (H.N. Moldenke and A.L. Moldenke, 1980)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

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Checklist of the vascular plants of the intermountain region - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966)

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Chloris platensis argentina - Hicken, Cristóbal M. (Cristóbal María), 1875 -1933 (J.A. Alsina, 1910)

Chopped soapweed as emergency feed for cattle on southwestern ranges - Forsling, C. L. (Clarence Luther), 1893 - (U.S. Dept. of Agriculture, 1919)

Chung-kuo chu yao chih wu t?u shuo - Keng, I-li, 1898 - (K'o hsüeh chʻu pan shê, 1959)

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Class-book of botany : being outlines of the structure, physiology, and classification of plants ; with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Burr, 1860)

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A Classification of forest habitat types of the Lincoln National Forest, New Mexico - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1984)

A classification of forest habitat types of the southern Arizona and portions of the Colorado Plateau - DeVelice, Robert L. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1996)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1908)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1910)

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