By Semple John C.   in Taxon

ISSN:1996-8175|56|2|605-606

International Association for Plant Taxonomy‎(2007)‎

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By Peirson Jess A.   Reznicek Anton A.   Semple John C.   in Taxon

ISSN:1996-8175|61|1|197-210

International Association for Plant Taxonomy‎(2012)‎

Access to resources Favorite 9.792803

By Owen Elliott   Semple John C.   Baum Bernard R.   in Canadian Journal of Botony

ISSN:1480-3305|84|8|1282-1297

NRC Research Press‎(2006)‎

Access to resources Favorite 9.792803