Analysis of information sources in references of the Wikipedia article "Begoniaceae" in Portuguese language version.
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(ajuda). American Journal of Botany. vol. 91. [S.l.: s.n.] p. 905–917|url=
(ajuda) (PDF). Systematic Botany. vol. 30. [S.l.: s.n.] p. 671–682|ProjektID=
ignorado (ajuda)