The British fern gazette - British Pteridological Society. (British Pteridological Society, 1909)

British flowering plants - Boulger, George Simonds, 1853 -1922 (B. Quaritch, 1914)

British journal of entomology and natural history - British Entomological; Natural History Society. (British Entomological and Natural History Society, 2012)

The British nature book; a complete handbook and guide to British nature study, embracing the mammals, birds, reptiles, fish, insects, plants, etc., in the United Kingdom - Sedgwick, Sidney Newman. (T.C. & E.C. Jack, Ltd, 1922)

British plants; their biology and ecology - Bevis, James Frederick. (Methuen, 1920)

British Purbeck Charophyta - Groves, James (British Museum, 1939)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1913)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1914)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1924)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1925)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1927)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1929)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1930)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1932)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1937)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1938)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1939)

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, 1912)

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, 1987)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Buletinul de informații al Grădinii Botanice și al Muzeului Botanic dela Universitatea din Cluj. Bulletin d'informations du Jardin et du Musée botaniques de l'Université de Cluj, Roumanie - Universitatea din Cluj. Grădina Botanică. (Grădina Botanică, 1921)

Buletinul de informații al Grădinii Botanice și al Muzeului Botanic dela Universitatea din Cluj. Bulletin d'informations du Jardin et du Musée botaniques de l'Université de Cluj, Roumanie - Universitatea din Cluj. Grădina Botanică. (Grădina Botanică, 1922)

Buletinul Societatii Române de Stiinte = Bulletin de la Société roumaine des sciences - Societatea Româna de Stiinte. (Societatea, 1911)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1971)

Bulletin - Natural History Society of Maryland (The Society, 1933)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1956)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1979)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - Virginia Native Plant Society. (The Society, 1996)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1981)

Bulletin - Société des amis des sciences naturelles de Rouen. (1913)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1973)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1992)

Bulletin - National Museum of Canada. (National Museum of Canada, 1926)

Bulletin - National Museum of Canada. (National Museum of Canada, 1929)

Bulletin - United States National Museum (G.P.O, 1918)

Bulletin - National Museum of Canada. (National Museum of Canada, 1938)

Bulletin - United States National Museum (G.P.O, 1947)

Bulletin - National Museum of Canada. (National Museum of Canada, 1940)

Bulletin - National Museum of Canada. (National Museum of Canada, 1939)

Bulletin - National Museum of Canada. (National Museum of Canada, 1948)

Bulletin - National Museum of Canada. (National Museum of Canada, 1949)

Bulletin - National Museum of Canada. (National Museum of Canada, 1947)

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

Bulletin - National Museum of Canada. (National Museum of Canada, 1951)

Bulletin - National Museum of Canada. (National Museum of Canada, 1957)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1895)

Bulletin - British Pteridological Society. (the Society, 1973)

Bulletin - British Pteridological Society. (the Society, 1985)

Bulletin - British Pteridological Society. (the Society, 1994)

Bulletin - British Pteridological Society. (the Society, 1995)

Bulletin - British Pteridological Society. (the Society, 1996)

Bulletin - British Pteridological Society. (the Society, 1997)

Bulletin - British Pteridological Society. (the Society, 2000)

Bulletin - British Pteridological Society. (the Society, 2001)

Bulletin - British Pteridological Society. (the Society, 2003)

Bulletin - British Pteridological Society. (the Society, 2004)

Bulletin - British Pteridological Society. (the Society, 2005)

Bulletin - British Pteridological Society. (the Society, 2016)

Bulletin - British Pteridological Society. (the Society, 2017)

Bulletin - British Pteridological Society. (the Society, 2018)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1911)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1898)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1893)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1900)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1902)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1908)

Bulletin de l'Institut océanographique de Monaco - Institut océanographique. (L'Institut, 1921)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1914)

Bulletin de la Société neuchâteloise des sciences naturelles - Société neuchâteloise des sciences naturelles. (Impr. wolfrath, 1923)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1878)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1902)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1905)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1911)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1921)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1923)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1981)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1982)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1984)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1985)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1986)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1988)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1989)

Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie - Muséum national d'histoire naturelle (France) (Muséum National d'Histoire Naturelle, 1992)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1948)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1897)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1896)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1899)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1901)