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)

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

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)

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)