Field book of western wild flowers - Armstrong, Margaret, 1867 -1944 (C. [sic] P. Putnam's Sons, 1915)

Field guide to noxious and invasive weeds : known to occur or are potentially occurring on the Apache-Sitgreaves National Forests - United States. Forest Service. Southwestern Region. (United States Dept. of Agriculture, Forest Service, Southwestern Region], 2008)

Field guide to the aquatic plants of Lake George, New York - Ogden, Eugene Cecil. (University of the State of New York, State Education Dept, 1976)

Field key to the flora of Yellowstone National Park - United States. National Park Service. (Yellowstone Library and Museum Association in cooperation with National Park Service, U.S. Dept. of the Interior, 1975)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1930)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1975)

Field Museum of Natural History bulletin - Field Museum of Natural History. (The Museum, 1986)

Field Notebook: Russia 1975 - Hickey, Leo (1975)

Field notes of Charles Wright for 1849 and 1851-52, relating to collections from Texas, New Mexico, Arizona and adjacent Sonora and Chihuahua - Wright, Charles, 1811 -1885 (1847)

Fieldbook of Illinois wild flowers; six hundred fifty of the more common flowering plants in the state - Illinois. Natural History Survey Division (Illinois. Natural History Survey Division, 1936)

Fieldiana. Anthropology - Field Museum of Natural History. (Chicago Natural History Museum, 1972)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1970)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1973)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1977)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1964)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1965)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1969)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1972)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1980)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1983)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1984)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1990)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1992)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1993)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 2000)

Fieldiana. Botany - Field Museum of Natural History. (Chicago Natural History Museum, 2003)

Fieldiana. Zoology - Field Museum of Natural History. (Chicago Natural History Museum, 1997)

Fieldiana. Zoology - Field Museum of Natural History. (Chicago Natural History Museum, 1999)

Final environmental impact statement : proposed estuarine sanctuary grant award to the state of New York for a Hudson River estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (The Office, 1982)

The first fifty years of the Arnold Arboretum - Sargent, Charles Sprague, 1841 -1927 (1922)

Flórula de las reservas biológicas de Iquitos, Perú : Allpahuayo-Mishana, Explornapo Camp, Explorama Lodge - Missouri Botanical Garden. (Missouri Botanical Garden, 1997)

Flórula del Parque Nacional Natural Amacayacu, Amazonas, Colombia - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)

Flora and fauna of Bucks County - Moyer, I. S. (Lewis, 1905)

Flora and vegetation of the Sierra Ancha Experimental Forest, Arizona - Pase, C. P., 1926 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1968)

Flora cestrica: an herborizing companion for the young botanists of Chester County...Pennsylvania - Darlington, William, 1782 -1863 (Lindsay & Blakiston, 1853)

Flora de Nicaragua - Stevens, Warren Douglas, 1944 - (Missouri Botanical Garden Press, 2001)

Flora de Veracruz (Instituto de Ecología, AC, 1979)

Flora de Veracruz (Instituto de Ecología, AC, 1980)

Flora de Veracruz (Instituto de Ecología, AC, 1981)

Flora de Veracruz (Instituto de Ecología, AC, 1982)

Flora de Veracruz (Instituto de Ecología, AC, 1983)

Flora de Veracruz (Instituto de Ecología, AC, 1984)

Flora de Veracruz (Instituto de Ecología, AC, 1985)

Flora de Veracruz (Instituto de Ecología, AC, 1986)

Flora de Veracruz (Instituto de Ecología, AC, 1987)