Lasca leaves - Southern California Horticultural Institute. (California Arboretum Foundation, 1960)

Lasca leaves - Southern California Horticultural Institute. (California Arboretum Foundation, 1961)

Lasca leaves - Southern California Horticultural Institute. (California Arboretum Foundation, 1962)

Lasca leaves - Southern California Horticultural Institute. (California Arboretum Foundation, 1967)

Lasca leaves - Southern California Horticultural Institute. (California Arboretum Foundation, 1972)

Late Cretaceous and Cenozoic history of Latin American vegetation and terrestrial environments - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2010)

Late Quaternary vegetation history of the Yellowstone Lake Basin, Wyoming - Geological Survey (U.S.) (U.S. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1976)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1932)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1937)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1941)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1944)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1947)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1950)

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

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

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1959)

Leaves and flowers - Wood, Alphonso, 1810 -1881 (Barnes & Burr; Troy, Moore & Nims; [etc., etc.], 1863)

Leaves and flowers - Wood, Alphonso, 1810 -1881 (A. S. Barnes & company; [etc., etc, 1888)

Leaves and flowers : or, Object lessons in botany with a flora : prepared for beginners in academies and public schools - Wood, Alphonso, 1810 -1881 (A.A. Barnes, 1869)

Leaves and flowers; or, Object lessons in botany with a flora - Wood, Alphonso, 1810 -1881 (1863)

Leaves and flowers; or, Object lessons in botany - Wood, Alphonso, 1810 -1881 (A.S. Barnes & co, 1870)

Das Leben der Pflanze - Francé, R. H. (Raoul Heinrich), 1874 -1943 (Kosmos, Gesellschaft der Naturfreunde, 1906)

Lebensbilder aus der Tierwelt der Vorzeit - Abel, Othenio, 1875 -1946 (Verlag von G. Fischer, 1922)

Lebensgeschichte der Blütenpflanzen Mitteleuropas : spezielle Ökologie der Blütenpflanzen Deutschlands, Österreichs und der Schweiz - Schröter, Carl, 1855 -1939 (E. Ulmer, 1908)

Lectures on the evolution of plants (The Macmillan company, 1899)

Lectures on the evolution of plants (The Macmillan Co, 1899)

Lectures on the evolution of plants (The Macmillan company, 1910)

Leerboek tot de kennis der artsenijgewassen, derzelver zamenstelling, krachten, gebruik en pharmaceutische bereidingen - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C.G. Sulpke, 1838)