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Cássio van den Berg, Wesley E. Higgins, Robert L. Dressler, W. Mark Whitten, Miguel A. Soto-Arenas, Mark W. Chase
Ann Bot. 2009 Aug; 104(3): 417–430. Published online 2009 May 7. doi: 10.1093/aob/mcp101
PMCID:
PMC2720643

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