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Aguirre-Santoro, J.; Betancur, J.; Brown, G. K.; Evans, T. M.; Salgueiro, F.; Alves-Ferreira, M.; Wendt, T.

Is Ronnbergia (Bromeliaceae, Bromelioideae) a Geographically Disjunct Genus? Evidence from Morphology and Chloroplast DNA Sequence data

. Phytotaxa 2015, 219, 261–275.