Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1971)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1981)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1987)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1994)

Minnesota mushrooms - Geological; Natural History Survey of Minnesota. (University of Minnesota, 1910)

Minnesota plant diseases - Freeman, Edward Monroe, 1875 - (1905)

Minor products of Philippine forests - Brown, William Henry, 1884 -1939 (Bureau of Printing, 1920)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1914)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1915)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1916)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1917)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1931)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1932)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1914)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1971)

Morphologische und physiologische Analyse der Zelle der Pflanzen und Tiere : Grundzüge unseres Wissens über den Bau der Zelle und über dessen Beziehung zur Leistung der Zelle - Meyer, Arthur, 1850 -1922 (G. Fischer, 1920)

Morphology and taxonomy of fungi - Bessey, Ernst Athearn, 1877 -1957 (Blakiston, 1950)

Moulds, mildews, and mushrooms; a guide to the systematic study of the Fungi and Mycetozoa and their literature - Underwood, Lucien Marcus, 1853 -1907 (H. Holt & co, 1899)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1967)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1975)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1900)

The mushroom book - Marshall, Nina L. (Doubleday, 1904)

The mushroom book : a popular guide to the identification and study of our commoner fungi, with special emphasis on the edible varieties - Marshall, Nina L. (Doubleday, Page and Co, 1923)

The mushroom book : a popular guide to the identification and study of our commoner fungi, with special emphasis on the edible varieties - Marshall, Nina L. (Doubleday, Page, 1902)

The mushroom book : a popular guide to the identification and study of our commoner Fungi, with special emphasis on the edible varieties - Marshall, Nina L. (Doubleday, Page, 1920)

The mushroom, edible and otherwise, its habitat and its time of growth, with photographic illustrations of nearly all the common species : a guide to the study of mushrooms, with special reference to the edible and poisonous varieties, with a view of opening up to the student of nature a wide field of useful and interesting knowledge - Hard, Miron Elisha, 1845 -1914 (Ohio Library Co., Distributors, 1908)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1909)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1910)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1911)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1912)