Jones, Samuel B., 1933-
Plant systematics
McGraw-Hill, 1986
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Jones, Samuel B., 1933-
Plant systematics
McGraw-Hill, 1979
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Benson, Lyman
Plant classification : principal plant dissections and illustrations
D.C. Heath , 1957
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Jeffrey, Charles
An introduction to plant taxonomy
Cambridge University Press, 1982
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Rendle, Alfred Barton
The classification of flowering plants
Vikas, 1979
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