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)

Die lichenen Heidelbergs nach dem systeme und den bestimmungen Dr. William Nylanders - Zwackh-Holzhausen, Wilhelm Ritter von. (G. Weiss, 1883)

Lichenes Daniae eller Danmarks Laver - Rostrup, E. (Emil), 1831 -1907 (G.E.C. Gads, 1869)

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 Thomsoniana : North American lichenology in honor of John W. Thomson - Thomson, John Walter, 1913 - (Mycotaxon, Ltd, 1998)

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)

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

Lichens de la région d'Ottawa - National Museum of Natural Sciences (Canada) (Musée national des sciences naturelles, 1990)

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)

The lichens of Alaska - Cummings, Clara E. (Clara Eaton), 1855 -1906 (Smithsonian Institution, 1910)

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)

Lichens of the State of Washington - Howard, Grace E. (Grace Elizabeth), 1886 - (University of Washington Press, 1950)

Der Lichtgenuss der Pflanzen : photometrische und physiologische Untersuchungen mit besonderer Rücksichtnahme auf Lebensweise, geographische Verbreitung und Kultur der Pflanzen - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1907)

The life story of the fish : his morals and manners - Curtis, Brian. (Dover, 1961)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1829)

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, 1837)

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, 1843)

Linnaea : Ein Journal für die Botanik in ihrem ganzen Umfange - Schlechtendal, D. F. L. von (Diedrich Franz Leonhard von), 1794 -1866 (F. Dümmler, 1877)

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

A list of the mosses, liverworts and lichens of Illinois - Hall, Elihu, 1822 -1882 (Illinois State Laboratory of Natural History, 1878)

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

Literaturberichte zur Flora, oder Allgemeinen botanischen Zeitung - Königl. Bayer. Botanische Gesellschaft zu Regensburg. (K. Bayerische Botanische Gesellschaft, 1835)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

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, 1845)

London Naturalist - London Natural History Society. (London Natural History Society, 1958)

London Naturalist - London Natural History Society. (London Natural History Society, 1999)

Loudon's encyclopaedia of plants; comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced into Britain - Loudon, J. C. (John Claudius), 1783 -1843 (Longmans, Green, 1866)

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)

Loudon's Hortus britannicus : a catalogue of all the plants indigenous, cultivated in, or introduced to Britain. Part I. The Linnaean arrangement : part II. The Jussieuean arrangement - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown, and Green & Longman, 1839)

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],), 1839)

Loudon's Hortus britannicus.A catalogue of all the plants indigenous, cultivated in, or introduced to Britain. Part I. The Linnaean arrangement... Part II. The Jussieuean arrangement... - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown, and Green, 1830)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1979)

Magyar botanikai lapok = Ungarische botanische Blätter - Degen, Árpád von, 1866 -1934 (Müller Karoly Könyvnyomdaja aja, 1910)

Malacologia - Institute of Malacology. (Institute of Malacology], 1984)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1905)

The Manchester flora : a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens ; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (William White, 1859)

The Manchester flora: a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (W. White, 1859)

Manual of botany, for North America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of the Gulf of Mexico - Eaton, Amos, 1776 -1842 (Printed by Websters and Skinners, 1829)

Manual of botany, for the Northern and Middle States of America : containing generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of Virginia ; to which are prefixed, the natural and artificial classes and orders of Linneus ; and the natural orders of Jussieu, with the medicinal properties of each order - Eaton, Amos, 1776 -1842 (Printed and published by Websters and Skinners, 1822)

A manual of botany, for the nothern and middle states of Americacontaining generic and specific descriptions of the indigenous plants and common cultivated exotics, growing north of Virginia; to which is prefixeda grammar and vocabulary; also the natural orders of linneus and jussieu, with the medicinal properties of each order - Eaton, Amos, 1776 -1842 (Websters & Skinners, 1824)

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, 1887)

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)