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The land and freshwater mollusks indigenous to, or naturalized in, the British Isles - Reeve, Lowell Augustus 1814 -1865 (Reeve and Co, 1863)

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The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag, 1912)

The Macrolepidoptera of the world : a systematic account of all the known Macrolepidoptera - Seitz, Adalbert, 1860 -1938 (Fritz Lehmann Verlag)

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Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2009)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2010)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2014)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

Madera y bosques - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2017)

Major environmental influences on the pattern of Ledum groenlandicum in mire systems - Karlin, Eric F. (University of Alberta, Dept. of Botany, 1978)

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Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1892)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1893)