Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1998)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 1999)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2000)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2002)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2003)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2004)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2005)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2006)

Madroño; a West American journal of botany - California Botanical Society. (California Botanical Society, 2007)

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, 2009)

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, 2015)

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)

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, 2020)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1840)

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

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1897)

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)

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 (W. White, 1859)

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, 2015)

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

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 1989)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2011)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2015)

Maryland entomologist - Maryland Entomological Society. (Maryland Entomological Society, 2016)

Maryland naturalist - Natural History Society of Maryland (The Society, 1993)

Maryland naturalist - Natural History Society of Maryland (The Society, 1998)

Maryland naturalist - Natural History Society of Maryland (The Society, 2002)

Maryland naturalist - Natural History Society of Maryland (The Society, 2003)

Maryland naturalist - Natural History Society of Maryland (The Society, 2012)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1971)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of Museum Victoria - Museum Victoria. (: Museum Victoria, 2016)

Memoirs of the American Entomological Society - American Entomological Society. (American Entomological Society, 2004)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1989)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1880)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1912)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1918)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1996)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1998)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 2008)

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1969)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1975)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1976)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1981)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1982)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1983)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1985)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1986)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1987)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1988)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1989)