By Helfgott D. Megan   Mason-Gamer Roberta J.   in Systematic Botany

ISSN:1548-2324|29|4|850-861

American Society of Plant Taxonomists‎(2004)‎

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By Simpson Beryl B.   Weeks Andrea   Helfgott D. Megan   Larkin Leah L.   in Systematic Botany

ISSN:1548-2324|29|1|97-108

American Society of Plant Taxonomists‎(2004)‎

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