By Beck James B.   Al-Shehbaz Ihsan A.   Schaal Barbara A.   in Systematic Botany

ISSN:1548-2324|31|1|151-159

American Society of Plant Taxonomists‎(2006)‎

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By Beck James B.   Windham Michael D.   Yatskievych George   Pryer Kathleen M.   in Systematic Botany

ISSN:1548-2324|35|2|223-234

American Society of Plant Taxonomists‎(2010)‎

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By Beck James B.   Nesom Guy L.   Calie Patrick J.   Baird Gary I.   Small Randall   Schilling Edward L.E.   in Taxon

ISSN:1996-8175|53|3|691-698

International Association for Plant Taxonomy‎(2004)‎

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By Alexander Patrick J.   Windham Michael D.   Beck James B.   Al-Shehbaz Ihsan A.   Allphin Loreen   Bailey C. Donovan   in Systematic Botany

ISSN:1548-2324|38|1|192-209

American Society of Plant Taxonomists‎(2013)‎

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By AlexanderPatrick J.   WindhamMichael D.   BeckJames B.   Al-ShehbazIhsan A.   AllphinLoreen   BaileyC. Donovan   in Systematic Botany

ISSN:0363-6445|40|2|572-596

American Society of Plant Taxonomists‎(2015)‎

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