1.
Families of the Monocotyledons Structure, Evolution, and Taxonomy
by Dahlgren, R. M., Clifford, ...
ISBN: 9780387136554
List Price: $405.00
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Introduction to Numerical Classification: Primarily for Biologists - H. T. Clifford - Hardcover
by Clifford, H. T., Stephenson...
ISBN: 9780121767501
List Price: $63.00
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Monocotyledons: A Comparative Guide, Volume 1: A Comparative Study (Botanical Systematics)
by Dahlgren, R. M., Clifford, ...
ISBN: 9780122006807
List Price: $209.00
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Identifying Grasses: Data, Methods, and Illustrations
by Clifford, H. T., Watson, L.
ISBN: 9780702213120
List Price: $45.00
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Keys to the families and genera of Queensland flowering plants (magnoliophyta)
by H. T Clifford
ISBN: 9780702212253