Bulletin de la Société linnéenne de Normandie - Société linnéenne de Normandie. (The Society, 1875)

Bulletin des sciences naturelles et de géologie (1828)

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

Bulletin international de l'Académie des sciences de Cracovie, Classe des sciences mathématiques et naturelles. Anzeiger der Akademie der Wissenschaften in Krakau. Reihe B, Biologische Wissenschaften. Srie B, Sciences naturelles - Akademja Umiejętności w Krakowie. Wydział Matematyczno-Przyrodniczy (Impr. de l'Universit, 1915)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1902)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1987)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1980)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1983)

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

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1981)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1982)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1984)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1986)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1987)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1988)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1990)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1991)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1992)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1999)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2001)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2002)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2003)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2005)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2006)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2007)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2010)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2012)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2013)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2014)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2015)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2016)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2017)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2018)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2019)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1900)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1901)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1902)

Bulletin - Southern California Academy of Sciences. (The Academy, 1971)

Bulletin - Southern California Academy of Sciences. (The Academy, 1975)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1932)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1935)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1941)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1943)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1962)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1898)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1899)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1900)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1901)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1902)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1903)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1907)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1908)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1911)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1912)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1913)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1916)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1917)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1919)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1920)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1921)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1922)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1915)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1917)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1918)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1907)

Bulletin - Ohio Biological Survey. (Ohio State University, 1913)

Bulletin - Smithsonian Institution. (G.P.O, 1916)

Bulletin - Smithsonian Institution. (G.P.O, 1963)

Bulletin - United States. Division of Agrostology. (The Division, 1898)

Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1845)

Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925] - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1913)

Butterflies and moths of Newfoundland and Labrador : the macrolepidoptera - Morris, Ray F. (Agriculture Canada, 1980)

The butterflies of North America - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Osgood and Company, 1879)

The butterflies of North America; third series - Edwards, William H. (William Henry), 1822 -1909 (Houghton, Mifflin, 1897)

The butterfly book; a popular guide to a knowledge of the butterflies of North America - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday & McClure Co, 1898)

California seeds : direct from the growers - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1898)

California wild flower bulbs and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Hyde Co, 1934)

California wild flower seeds : [offer made] June 18-32 to the Wild Flower Preservation Society, Washington, D.C - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. S. Albert, 1932)

California wild flowers, their culture and care : a treatise describing upwards of a hundred beautiful species with a few notes on their habits and characteristics - Payne, Theodore. (T. Payne, 1910)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1922)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1928)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1949)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1954)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1956)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1957)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1960)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1961)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1966)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1973)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1977)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1985)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1986)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)