Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2009)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2008)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2010)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2011)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2012)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2013)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2014)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1916)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2015)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2016)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2020)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2019)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2017)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2018)

The Magazine of horticulture, botany, and all useful discoveries and improvements in rural affairs (Hovey and Co, 1866)

MAGNT research report - Museums; Art Galleries of the Northern Territory (Museums and Art Galleries of the Northern Territory, 1999)

Major weed family identification guide - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (United States Dept. of Agriculture, 1980)

Malacologia - Institute of Malacology. (Institute of Malacology], 1995)

Malacologia - Institute of Malacology. (Institute of Malacology], 2003)

Malimbus : journal of the West African Ornithological Society - West African Ornithological Society. (Ahmadu Bello University Press, 1993)

Mammalian diversity and Matses ethnomammalogy in Amazonian Peru. Part 3, Marsupials (Didelphimorphia) - Jansa, Sharon A. (American Museum of Natural History, 2019)

Mammalian diversity and Matses ethnomammalogy in Amazonian Peru. Part 5, Rodents - Voss, Robert S. (American Museum of Natural History, 2024)

Mammals of Robinson Forest : species composition of an isolated, mixed-mesophytic forest on the Cumberland Plateau in southeastern Kentucky - Krupa, James J., 1956 - (Museum of Texas Tech University, 2002)

Mammals of the La Selva-Braulio Carrillo Complex, Costa Rica - Timm, Robert M. (U.S. Dept. of the Interior, Fish and Wildlife Service, 1989)

The mammals of the temperate forests of Volcán Sumaco, Ecuador - Lee, Thomas Emmett Jr. 1959 - (Museum of Texas Tech University, 2008)

Mammals of Yacuri National Park, Loja Province, Ecuador - Texas Tech University. Natural Science Research Laboratory. (Museum of Texas Tech University, 2018)

The Manchester flora : a descriptive list of the plants growing wild within eighteen miles of Manchester, with notices of the plants commonly cultivated in gardens ; preceded by an introduction to botany - Grindon, Leo H. (Leo Hartley), 1818 -1904 (William White, 1859)

Mancos shale literature review on the Colorado Plateau - United States. Bureau of Land Management. (Utah State University, 1997)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2004)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2007)

Manual de plantas de Costa Rica - Hammel, Barry Edward, 1946 - (Missouri Botanical Garden, 2015)

A manual of natural history, for the use of travellers : being a description of the families of the animal and vegetable kindgoms: with remarkable on the practical study of geology and meteorology. To which are appended directions for collecting and preserving - Adams, Arthur, 1820 -1878 (J. Van Voorst, 1854)

Manual of the Agromyzidae (Diptera) of the United States - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1986)