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, 1918)

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)

Bryophyta - Magill, Robert E. (Botanical Research Institute, Dept. of Agriculture and Fisheries, 1998)

The bryophytes of Illinois : an annotated and indexed bibliography and checklist - Illinois. Natural History Survey Division (State of Illinois, Dept. of Energy and Natural Resources, Natural History Survey Division, 1987)

Bryophytes of the Columbia Basin, south of the Canadian border - United States. Bureau of Land Management. (Interior Columbia Basin Ecosystem Management Project, 1995)

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 Societatii de Stiinte din Cluj - Societatea de Stiinte din Cluj. (1921)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1976)

Bulletin (The Institute, 1913)

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

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1930)

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1958)

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

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1955)

Bulletin - National Museum of Canada. (National Museum of Canada, 1959)

Bulletin - National Museum of Canada. (National Museum of Canada, 1961)

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

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, 1911)

Bulletin de la Société vaudoise des sciences naturelles - Société vaudoise des sciences naturelles. (Blanchard, 1921)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1864)

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, 1911)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1914)

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 de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1924)

Bulletin de la Société botanique de Genève - Société botanique de Genève. (Société botanique de Genève, 1909)

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

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1954)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1957)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1968)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1915)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1898)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1899)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1903)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1904)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1915)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1916)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1917)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1918)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1919)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1920)

Bulletin of miscellaneous information. Additional Series - Royal Botanic Gardens, Kew. (Royal Botanic Gardens], 1899)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2006)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1973)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1984)

Bulletin of the British Museum (Natural History) Botany - British Museum (Natural History) (The Museum, 1985)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1965)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1966)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1969)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1968)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1981)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1965)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1960)

Bulletin ... of the geological and natural history survey - Chicago Academy of Sciences. (The Chicago Academy of Sciences, 1896)

Bulletin of the Geological Society of America - Geological Society of America. (The Society], 1919)

Bulletin of the Geological Society of America - Geological Society of America. (The Society], 1890)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1884)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1910)

Bulletin of the Maryland Herpetological Society - Maryland Herpetological Society. (Maryland Herpetological Society, Dept. of Herpetology, Natural History Society of Maryland, 1988)