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Methodus foliorum, seu plantae florae Monspeliensis, juxta foliorum ordinem, ad juvandam specierum cognitionem, digestae ... Methode pour connoître les plantes par les feüilles - Boissier de la Croix de Sauvages, François, 1706 -1767 (1751)

Methodus nova muscorum : ad naturae mormam melius instituta et muscologiae recentiorum accommodata - Bridel-Brideri, Samuel Elisée de, 1761 -1828 (Apud A. Ukertum, 1819)

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Methodus plantas horti botanici et agri Marburgensis :a staminum situ describendi - Moench, Conrad, 1744 -1805 (in officina nova libraria academiae, 1794)

Mexicanas plantas nuper a collectoribus expeditionis scientificae allatas :aut longis ab annis in herbario musei parisiensis depositas - Fournier, Eugène, 1834 -1884 (ex Typographeo Reipublicae, 1872)

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Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1969)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1972)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1982)

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Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1995)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2002)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2008)

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The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

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The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. Churchill, 1857)

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Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1880)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1884)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1885)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1890)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Mikrogeologie : das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbständigen Lebens auf der Erde - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1854)

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