Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1863)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1917)

Laerebog i den botaniske terminologie og systemlaere - Drejer, Salomon Thomas Nicolai, 1813 -1842 (Schuboth, 1839)

Lake Superior: its character, vegetation, and animals, compared with those of other similar regions - Agassiz, Louis, 1807 -1873 (Gould, Kendall & Lincoln, 1850)

Lake Superior: its physical character, vegetation, and animals, compared with those of other and similar regions - Agassiz, Louis, 1807 -1873 (Gould, Kendall and Lincoln, 1850)

Lake Superior - Agassiz, Louis, 1807 -1873 (R. E. Krieger Pub. Co, 1974)

Leaflets of Philippine botany (Oriental Printing Co, 1915)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1956)

Lehrbuch der Botanik - Bischoff, Gottlieb Wilhelm, 1797 -1854 (E. Schweizerbart, 1839)

Lehrbuch der Botanik - Bischoff, Gottlieb Wilhelm, 1797 -1854 (E. Schweizerbart, 1840)

Lehrbuch der Naturgeschichte - Burmeister, Hermann, 1807 -1892 (Anton und Gelbecke, 1830)

The lichen flora of the Santa Cruz Peninsula, California - Herre, Albert W. (Albert William), 1868 -1962 (Washington academy of sciences, 1910)

The lichen flora of the United States - Fink, Bruce, 1861 -1927 (University of Michigan Press, 1935)

Lichenaea Africana - Stizenberger, Ernst, 1827 -1895 (In Commission bei A. & J. Köppel, 1890)

Lichenes exotici a professore W. Nylander descripti vel recogniti : et in herbario Musei Parisiensis pro maxima parte asservati in ordine systematico dispositi sunt - Hue, A. M. (Auguste Marie), 1840 -1907 (apud G. Masson, 1892)

Lichenographia europaea reformata. : Praemittuntur lichenologiae fundamenta. Compendium in theoreticum et practicum lichenum studium - Fries, Elias, 1794 -1878 (typis Berlingianis, venditur apud E. Mauritium, Gryphiae, 1831)

Lichenographia universalis. In qua Lichenes omnes detectos, adiectis observationibus et figuris horum vegetabilium naturam et organorum carpomorphorum structuram illustrantibus, ad genera, species, varietates differentiis et observationibus sollicite definitas - Besemann, Christian Andreas, 1760 -1818 (Apud Iust. Frid. Danckwerts, 1810)

Lichenographia universalis. : In qua lichenes omnes detectos, adiectis observationibus et figuris horum vegetabilium naturam et organorum carpomorphorum structuram illustrantibus, ad genera, species, varietates - Acharius, Erik, 1757 -1819 (Apud Iust. Frid. Danckwerts, 1810)

Lichenographiae svecicae prodromus - Acharius, Erik, 1757 -1819 (D.G. Björn, 1798)

Lichens - Smith, Annie Lorrain, 1854 - (Univ. Press, 1921)

Les lichens : étude sur l'anatomie, la physiologie et la morphologie de l'organisme lichénique - Acloque, A. (Alexandre), 1871 -1908 (J.B. Baillière et fils, 1893)

Lichens of California, Oregon, and the Rocky mountains : so far as yet known : with an appendix - Tuckerman, Edward, 1817 -1886 (J.S. & C. Adams, 1866)

The lichens of Long Island, New York: a vegetational and floristic analysis - Brodo, Irwin M. (Irwin Murray), 1935 - (University of the State of New York, 1968)

The lichens of Minnesota - Fink, Bruce, 1861 -1927 (1910)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1830)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1832)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1837)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1838)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1840)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1844)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1849)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1856)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1880)

Literaturberichte zur Flora, oder Allgemeinen botanischen Zeitung - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (K. Bayerische Botanische Gesellschaft, 1831)

The London journal of botany : containing figures and descriptions of such plants as recommend themselves by their novelty, rarity, history, or uses : together with botanical notices and information and and occasional portraits and memoirs of eminent botanists - Hooker, William Jackson, Sir, 1785 -1865 (H. Baillière, 1847)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1857)

Loudon's hortus britannicus : a catalogue of all the plants indigenous, cultivated in, or introduced to Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longman(etc],), 1850)

Magazin für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (Ziegler und Söhne, 1787)

Magazin für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (Ziegler und Söhne, 1790)

Magnoliaceae through Ceratophyllaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1979)

Malacologia - Institute of Malacology. (Institute of Malacology], 2005)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1887)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1891)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1897)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1900)

A manual of British lichens, containing descriptions of all the species and varieties, and five plates, with figures of the spores of one hundred and thirty species, illustrative of the genera - Mudd, William, 1830 -1879 (Printed for the author by H. Penney, 1861)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1891)

Manual of conchology, structural and systematic : with illustrations of the species - Tryon, George W., (George Washington), 1838 -1888 (Published by the Author, Academy of Natural Sciences, 1879)

A manual of the British discomycetes : with descriptions of all the species of fungi hitherto found in Britain, included in the family, and illustrations of the genera - Phillips, William, 1822 -1905 (Kegan Paul, Trench, 1887)

A manual of the British discomycetes : with descriptions of all the species of fungi hitherto found in Britain, included in the family, and illustrations of the genera - Phillips, William, 1822 -1905 (Kegan Paul, Trench, Trübner, 1893)

A manual of the British Discomycetes with descriptions of all the species of fungi hitherto found in Britain, included in the family and illustrations of the genera - Phillips, William, 1822 -1905 (K. Paul, Trench, Trübner, 1893)