By Biffin Ed   Craven Lyn A.   Crisp Michael D.   Gadek Paul A.   in Taxon

ISSN:1996-8175|55|1|79-94

International Association for Plant Taxonomy‎(2006)‎

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By Harrington Mark G.   Edwards Karen J.   Johnson Sheila A.   Chase Mark W.   Gadek Paul A.   in Systematic Botany

ISSN:1548-2324|30|2|366-382

American Society of Plant Taxonomists‎(2005)‎

Access to resources Favorite 7.3992248