By Talent Nadia   Eckenwalder James E.   Lo Eugenia   Ib Christensen Knud   Dickinson Timothy A.   in Taxon

ISSN:1996-8175|57|3|1007-1008

International Association for Plant Taxonomy‎(2008)‎

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By Graham Sean W.   Kohn Joshua R.   Morton Brian R.   Eckenwalder James E.   Barrett Spencer C. H.   in Systematic Biology

ISSN:1063-5157|47|4|545-567

Oxford University Press‎(1998)‎

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