Botany : current literature - United States. Bureau of Plant Industry. Library. (1919)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1920)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1923)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1924)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1925)

Botany : current literature - United States. Bureau of Plant Industry. Library. (1926)

The botany of the Roraima expedition of 1884 - Hooker, Joseph Dalton, 1817 -1911 (1887)

Bothalia - South Africa. Dept. of Agriculture. (Botanical Research Institute, Dept. of Agricultural Technical Services, 1980)

The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

The British moss-flora - Braithwaite, Robert, 1824 -1917 (1887)

The British moss-flora - Braithwaite, Robert, 1824 -1917 (1888)

Brotéria. Série botanica (Revista Brotéria, 1910)

Brotéria. Série botanica (Revista Brotéria, 1912)

Brotéria. Série botanica (Revista Brotéria, 1913)

Brotéria. Série botanica (Revista Brotéria, 1915)

Brotéria. Série botanica (Revista Brotéria, 1917)

Brotéria. Série botanica (Revista Brotéria, 1918)

Brotéria. Série botanica (Revista Brotéria, 1919)

Brotéria. Série botanica (Revista Brotéria, 1920)

Brotéria : revista de sciencias naturaes do Collegio de S. Fiel - Collégio de S. Fiel (La Bécarre, 1904)

Brotéria : revista de sciencias naturaes do Collegio de S. Fiel - Collégio de S. Fiel (La Bécarre, 1906)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1902)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1904)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1906)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1908)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1910)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1912)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1914)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1916)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1918)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1920)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1922)

Bryophyta - Magill, Robert E. (Botanical Research Institute, Dept. of Agriculture and Fisheries, 1981)

Bryophyta - Magill, Robert E. (Botanical Research Institute, Dept. of Agriculture and Fisheries, 1987)

Die Bryophyten meiner zweiten Reise durch Bolivia - Herzog, Theodor Carl Julius, 1880 -1961 (E. Schweizerbart, 1916)