Monograph of the voles and lemmings (Microtinae) living and extinct - Hinton, Martin A. C. (Martin Alister Campbell), 1883 -1961 (1826)

Monographie der Gattung Delphinium - Huth, Ernst, 1845 -1897 (Engelmann, 1895)

Moon's hardy trees & plant for every place & purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1927)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1905)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1906)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1908)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1909)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1910)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1911)

Moon's hardy trees & plants for every place & purpose : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1923)

Moon's hardy trees & plants for every place & purpose : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1924)

Moon's hardy trees and plant for every place & purpose : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1926)

Moon's hardy trees and plant for every place and purpose : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1925)

Moon's hardy trees and plants for every place and purpose : 20% discount from these prices for fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1929)

Moon's hardy trees and plants for every place and purpose : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1932)

Moon's plants for every place & purpose, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1928)

Moon's trees 1906 : horticultural art book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1906)

Morphology of angiosperms : (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1909)

Morphology of angiosperms (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (Appleton & Co, 1903)

Morphology of angiosperms (Morphology of spermatophytes. Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1903)

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

Mosaic-free lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1945)

Mosaic-free lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1946)

Mosaic-free lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1947)

Mosaic-free lilies for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1948)

Moses' illustrated catalogue and floral guide - Moses, Frederick H. (Firm) (Fred'k. H. Moses, 1879)

Mountain grassland and shrubland habitat types of western Montana : interim report - 1974 - Intermountain Forest; Range Experiment Station (Ogden, Utah) (USDA Forest Service, Intermountain Forest and Range Experiment Station and Region One, 1974)

Mountain, plain and garden : the magazine of Denver Botanic Gardens - Denver Botanic Gardens. (The Gardens, 1990)

Mountain, plain and garden : the magazine of Denver Botanic Gardens - Denver Botanic Gardens. (The Gardens, 1998)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1905)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1907)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1911)

Museum of Art and Horticulture, sixth annual seed catalogue : floral and Western cultivators guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Church, Goodman and Donnelley, printers, 1868)

Museum Senckenbergianum : Abhandlungen aus dem Gebiete der beschreibenden Naturgeschichte - Senckenbergische Naturforschende Gesellschaft. (J.D. Sauerländer, 1837)